FREE MERCHANT TOOLS

Know your costs.
Price with confidence.

Calculate a selling price that includes supplier shipping, fees, returns, and your target profit. Prepare draft listings before you commit to stock.

Use the free calculator Manage drafts

No account, payment, or installation required for these standalone tools.

01 / PRICING

Calculate your selling price

Enter the costs you actually pay. All monetary inputs must use the same currency.

02 / CATALOG

Prepare and save drafts

Your standalone drafts stay in this browser on this device. They are not synchronized with Shopify or another device.

Saved on this device

0 drafts

Browser storage can be cleared. Export a JSON backup if you want to keep your work. Up to 100 local drafts are supported.

Import backup

No drafts saved yet.

CSV exports are unpublished drafts with zero inventory and a deny-overselling policy. Importing does not connect to Shopify.

03 / AFFORDABLE GROWTH

Start free. Grow when you need more.

The paid plans below are proposed for the merchant app and are not accepting payments. The standalone tools above remain free.

Free

$0 / month

Core pricing and draft tools.

Unlimited manual calculations
25 cloud drafts once installed
25 draft writes per month
No AI charges

Available standalone

Starter

$4.99 / month

For sellers building a catalog.

250 saved cloud drafts
250 draft writes per month
Batch limit of 25
Usage limits included

Not accepting payments

Growth

$9.99 / month

For growing merchant workflows.

1,000 saved cloud drafts
1,000 draft writes per month
Batch limit of 100
Usage limits included

Not accepting payments

Pro

$19.99 / month

For larger catalog operations.

5,000 saved cloud drafts
5,000 draft writes per month
Batch limit of 100
Usage limits included

Not accepting payments

No unlimited paid AI is offered. Subscription billing will only be activated after Shopify registration, installation, feature verification, and actual cost review.

RESPONSIBLE COMMERCE

Draft first. Verify before selling.

Real cost accounting

Include supplier costs, delivery, transaction fees, and reserves instead of treating gross sales as profit.

No invented inventory

We do not claim a supplier has stock, create product imagery, or publish products automatically.

Open commerce tools

The read-only MCP tools can calculate prices and prepare drafts through compatible AI clients. Directory approval is separate.

MCP endpoint

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var(--line);border-radius:var(--radius);padding:26px;min-width:0}.panel-heading{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:20px}.panel-heading h3{margin:0}.pill{display:inline-flex;align-items:center;border-radius:100px;background:#e7f2ed;color:var(--green2);font-size:11px;font-weight:750;padding:5px 10px;line-height:1.5}.field-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}label{display:flex;flex-direction:column;gap:7px;font-size:12px;font-weight:700;color:#344b4f;min-width:0}input,select,textarea{display:block;width:100%;max-width:100%;border:1px solid #cbd9d4;border-radius:8px;padding:10px 12px;background:white;color:var(--ink);font-size:14px;font-weight:450;min-height:42px}textarea{resize:vertical;min-height:100px}input:focus,select:focus,textarea:focus{border-color:var(--green)}form>label{margin-top:16px}.result-panel{background:var(--soft)}.result-panel 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keys=['productCost','supplierShipping','packaging','otherFixedCosts','customerShipping','fixedPaymentFee','feePercent','taxReservePercent','returnReservePercent','targetMarginPercent','roundingIncrement'];\nconst currencies=['PHP','USD','EUR','GBP','AUD','CAD','SGD'];\nconst storeKey='god-matters-commerce-drafts-v1';\nlet drafts=[],editingId=null,lastResult=null,requestNumber=0,controller=null,timer=null;\nconst money=(n,c)=>new Intl.NumberFormat('en-US',{minimumFractionDigits:2,maximumFractionDigits:2}).format(n);\nfunction setStatus(id,message,error){const el=$(id);if(!el)return;el.textContent=message;el.classList.toggle('error',!!error);}\nasync function requestJson(path,data,signal){const response=await fetch(path,{method:'POST',headers:{'Content-Type':'application/json'},body:JSON.stringify(data),signal});let result;try{result=await response.json();}catch{throw new Error('The server returned an invalid response.');}if(!response.ok)throw new Error(result.error||'The request failed.');return result;}\nfunction readPricing(){const result={};for(const key of keys){const el=priceForm.elements.namedItem(key);const raw=el.value.trim();const n=raw===''?0:Number(raw);if(!Number.isFinite(n)||n<0)throw new Error('Enter a valid nonnegative number for '+key+'.');result[key]=n;}result.currency=priceForm.elements.namedItem('currency').value;return result;}\nfunction showResult(r){const c=r.currency;const values={'result-price':c+' '+money(r.itemPrice,c),'result-revenue':c+' '+money(r.totalCustomerPayment,c),'result-profit':c+' '+money(r.estimatedProfit,c),'result-margin':r.estimatedMarginPercent.toFixed(2)+'%','result-breakeven':c+' '+money(r.breakEvenItemPrice,c)};for(const id in values)$(id).textContent=values[id];}\nasync function calculate(){if(!priceForm)return null;const seq=++requestNumber;if(controller)controller.abort();controller=new AbortController();let values;try{values=readPricing();}catch(e){lastResult=null;setStatus('price-status',e.message,true);return null;}setStatus('price-status','Calculating…',false);try{const r=await requestJson('/api/price',values,controller.signal);if(seq!==requestNumber)return null;lastResult=r;showResult(r);setStatus('price-status','Estimate calculated. Review all costs before selling.',false);return r;}catch(e){if(seq!==requestNumber||e.name==='AbortError')return null;lastResult=null;setStatus('price-status',e.message,true);return null;}}\nfunction scheduleCalculation(){lastResult=null;clearTimeout(timer);timer=setTimeout(calculate,400);}\nfunction makeId(){return typeof crypto!=='undefined'&&crypto.randomUUID?crypto.randomUUID():Date.now().toString(36)+'-'+Math.random().toString(36).slice(2);}\nfunction loadDrafts(){try{const saved=JSON.parse(localStorage.getItem(storeKey)||'[]');if(Array.isArray(saved))drafts=saved.slice(0,100).filter(x=>x&&typeof x.id==='string'&&typeof x.title==='string'&&x.pricing);}catch{setStatus('draft-status','Browser storage could not be read. Existing saved data has not been changed.',true);}}\nfunction persist(next){try{localStorage.setItem(storeKey,JSON.stringify(next));drafts=next;return true;}catch{setStatus('draft-status','Storage is unavailable or full. Export a backup and free storage before saving.',true);return false;}}\nfunction field(form,name){return form.elements.namedItem(name);}\nfunction text(form,name){return String(field(form,name).value||'').trim();}\nfunction readDraft(r){const title=text(draftForm,'title');if(!title||title.length>200)throw new Error('Enter a product title of 200 characters or fewer.');return {id:editingId||makeId(),title,description:text(draftForm,'description'),vendor:text(draftForm,'vendor'),productType:text(draftForm,'productType'),sku:text(draftForm,'sku'),tags:text(draftForm,'tags').split(',').map(s=>s.trim()).filter(Boolean).slice(0,20),pricing:readPricing(),result:r,updatedAt:new Date().toISOString()};}\nfunction validateDraft(x){if(!x||typeof x!=='object'||typeof x.title!=='string'||!x.title.trim()||x.title.length>200||!x.pricing||typeof x.pricing!=='object')throw new Error('The backup contains an invalid listing.');const out={id:typeof x.id==='string'&&x.id.length<100?x.id:makeId(),title:x.title.trim(),description:String(x.description||'').slice(0,10000),vendor:String(x.vendor||'').slice(0,200),productType:String(x.productType||'').slice(0,200),sku:String(x.sku||'').slice(0,100),tags:Array.isArray(x.tags)?x.tags.filter(v=>typeof v==='string').slice(0,20).map(v=>v.slice(0,100)):[],pricing:{},updatedAt:new Date().toISOString()};for(const key of keys){const n=x.pricing[key]===undefined?(key==='targetMarginPercent'?20:key==='roundingIncrement'?0.01:0):x.pricing[key];if(typeof n!=='number'||!Number.isFinite(n)||n<0)throw new Error('Invalid pricing value in the backup.');out.pricing[key]=n;}out.pricing.currency=currencies.includes(x.pricing.currency)?x.pricing.currency:'PHP';return out;}\nfunction clearEditor(){editingId=null;draftForm.reset();$('save-draft').textContent='Save local draft';setStatus('draft-status','Editor cleared. Your saved drafts are unchanged.',false);}\nfunction button(label,style,action){const b=document.createElement('button');b.type='button';b.className='button '+style+' small';b.textContent=label;b.addEventListener('click',action);return b;}\nfunction renderDrafts(){if(!draftForm)return;const list=$('draft-list');list.replaceChildren();$('draft-count').textContent=drafts.length+' draft'+(drafts.length===1?'':'s');$('export-csv').disabled=!drafts.length;$('export-json').disabled=!drafts.length;if(!drafts.length){const p=document.createElement('p');p.className='muted';p.textContent='No drafts saved yet.';list.append(p);return;}for(const d of drafts){const item=document.createElement('article');item.className='draft-item';const title=document.createElement('strong');title.textContent=d.title;const detail=document.createElement('p');const r=d.result;detail.textContent=(d.sku?'SKU: '+d.sku+' · ':'')+(r?r.currency+' '+money(r.itemPrice,r.currency)+' · Est. margin '+r.estimatedMarginPercent.toFixed(2)+'%':'Price will be recalculated on export');const actions=document.createElement('div');actions.className='actions';actions.append(button('Edit','secondary',()=>editDraft(d.id)),button('Delete','quiet',()=>deleteDraft(d.id)));item.append(title,detail,actions);list.append(item);}}\nfunction editDraft(id){const d=drafts.find(x=>x.id===id);if(!d)return;editingId=id;for(const name of ['title','description','vendor','productType','sku'])field(draftForm,name).value=d[name]||'';field(draftForm,'tags').value=(d.tags||[]).join(', ');for(const key of keys)field(priceForm,key).value=d.pricing[key]===undefined?'0':String(d.pricing[key]);field(priceForm,'currency').value=d.pricing.currency||'PHP';$('save-draft').textContent='Update local draft';calculate();$('drafts').scrollIntoView({behavior:'smooth'});field(draftForm,'title').focus();setStatus('draft-status','Editing '+d.title+'. Update the costs above before saving.',false);}\nfunction deleteDraft(id){const d=drafts.find(x=>x.id===id);if(!d||!confirm('Delete the local copy of '+d.title+'? This cannot be undone unless you have a backup.'))return;if(persist(drafts.filter(x=>x.id!==id))){if(editingId===id)clearEditor();renderDrafts();setStatus('draft-status','Local draft deleted. Shopify products were not changed.',false);}}\nfunction download(text,filename,type){const blob=new Blob([text],{type});const url=URL.createObjectURL(blob);const a=document.createElement('a');a.href=url;a.download=filename;document.body.append(a);a.click();a.remove();setTimeout(()=>URL.revokeObjectURL(url),1000);}\nfunction dateTag(){return new Date().toISOString().slice(0,10);}\nasync function exportCsv(){if(!drafts.length)return;setStatus('draft-status','Preparing safe draft CSV…',false);try{const data=await requestJson('/api/catalog',{items:drafts.map(d=>({title:d.title,description:d.description,vendor:d.vendor,productType:d.productType,sku:d.sku,tags:d.tags,pricing:d.pricing})),includeShopifyCsv:true});download(data.shopifyCsv,'god-matters-drafts-'+dateTag()+'.csv','text/csv;charset=utf-8');setStatus('draft-status','Draft CSV prepared. Review it before importing into Shopify.',false);}catch(e){setStatus('draft-status',e.message,true);}}\nfunction exportJson(){download(JSON.stringify({format:'god-matters-commerce-drafts',version:1,exportedAt:new Date().toISOString(),drafts},null,2),'god-matters-backup-'+dateTag()+'.json','application/json');setStatus('draft-status','Backup download prepared. Store it somewhere safe.',false);}\nasync function importJson(file){if(!file)return;if(file.size>1000000){setStatus('draft-status','The backup is too large (maximum 1 MB).',true);return;}try{const raw=JSON.parse(await file.text());const rows=Array.isArray(raw)?raw:raw.format==='god-matters-commerce-drafts'&&raw.version===1?raw.drafts:null;if(!Array.isArray(rows)||rows.length>100)throw new Error('Choose a valid backup containing at most 100 drafts.');const incoming=rows.map(validateDraft);const existing=new Set(drafts.map(d=>d.id));const unique=incoming.filter(d=>!existing.has(d.id));if(drafts.length+unique.length>100)throw new Error('The local 100-draft limit would be exceeded.');if(unique.length){const result=await requestJson('/api/catalog',{items:unique,includeShopifyCsv:false});result.items.forEach((row,i)=>{unique[i].result=row.pricing;});}if(persist(drafts.concat(unique))){renderDrafts();setStatus('draft-status',unique.length+' draft(s) imported. Existing drafts were preserved; matching IDs were skipped.',false);}}catch(e){setStatus('draft-status',e.message,true);}finally{$('import-json').value='';}}\nif(priceForm){priceForm.addEventListener('submit',e=>{e.preventDefault();clearTimeout(timer);calculate();});priceForm.addEventListener('input',scheduleCalculation);priceForm.addEventListener('change',scheduleCalculation);priceForm.addEventListener('reset',()=>{lastResult=null;clearTimeout(timer);setTimeout(calculate,0);});calculate();}\nif(draftForm){loadDrafts();renderDrafts();draftForm.addEventListener('submit',async e=>{e.preventDefault();if(drafts.length>=100&&!editingId){setStatus('draft-status','The local 100-draft limit has been reached. Export or remove a draft first.',true);return;}clearTimeout(timer);const r=await calculate();if(!r)return;try{const d=readDraft(r);const next=editingId?drafts.map(x=>x.id===editingId?d:x):[d,...drafts];if(persist(next)){renderDrafts();clearEditor();setStatus('draft-status','Draft saved on this device. No Shopify product was created.',false);}}catch(err){setStatus('draft-status',err.message,true);}});$('clear-draft').addEventListener('click',clearEditor);$('export-csv').addEventListener('click',exportCsv);$('export-json').addEventListener('click',exportJson);$('import-json').addEventListener('change',e=>importJson(e.target.files[0]));}\nfunction costRead(){const v={};for(const element of costForm.elements){if(!element.name)continue;const n=Number(element.value);if(!Number.isFinite(n)||n<0)throw new Error('Enter nonnegative finite values.');v[element.name]=n;}if(v.feePercent+v.reservePercent>=100)throw new Error('Fees and reserves must total less than 100%.');return v;}\nfunction costCalculate(){try{const v=costRead(),rate=(v.feePercent+v.reservePercent)/100,contribution=v.price*(1-rate)-v.feeFixed-v.variableCost;const revenue=v.price*v.customers,fees=v.customers*(v.price*v.feePercent/100+v.feeFixed),variable=v.customers*v.variableCost,reserve=revenue*v.reservePercent/100,surplus=revenue-fees-variable-reserve-v.fixedCost;const fmt=n=>'$'+money(n,'USD');$('model-revenue').textContent=fmt(revenue);$('model-surplus').textContent=fmt(surplus);$('model-contribution').textContent=fmt(contribution);$('model-break-even').textContent=contribution>0?Math.ceil(v.fixedCost/contribution)+' paid customers':'Not achievable';$('model-margin').textContent=revenue>0?(surplus/revenue*100).toFixed(2)+'%':'—';const body=$('scenario-body');body.replaceChildren();for(const count of [10,25,50,100]){const tr=document.createElement('tr');const value=count*contribution-v.fixedCost;for(const text of [String(count),fmt(count*v.price),fmt(value)]){const td=document.createElement('td');td.textContent=text;tr.append(td);}body.append(tr);}setStatus('cost-status','Illustrative model calculated. Replace every assumption with actual costs.',false);}catch(e){setStatus('cost-status',e.message,true);}}\nif(costForm){costForm.addEventListener('submit',e=>{e.preventDefault();costCalculate();});costForm.addEventListener('input',costCalculate);costCalculate();}\n})();\n`;\n",[],[215],["D",1788940232678],[],[18],"fd58702c-0758-4bcb-a9b2-be0ca8dcf4a7","pricing.ts","01a08524-306a-777e-b03d-8ef688748cc0",3,["D",1788940187606],"import Decimal from 'npm:decimal.js@10.6.0';\n\nexport type PriceInput = {productCost:number; supplierShipping?:number; packaging?:number; otherFixedCosts?:number; customerShipping?:number; fixedPaymentFee?:number; feePercent?:number; taxReservePercent?:number; returnReservePercent?:number; targetMarginPercent?:number; roundingIncrement?:number; currency?:string};\nconst D=(n:number)=>new Decimal(n);\nconst money=(n:Decimal)=>Number(n.toFixed(2,Decimal.ROUND_HALF_UP));\nconst currencies=new Set(['PHP','USD','EUR','GBP','AUD','CAD','SGD']);\nexport function calculatePrice(input:PriceInput) {\n if(!input||typeof input!=='object')throw new Error('Pricing inputs are required.');\n const fields=['productCost','supplierShipping','packaging','otherFixedCosts','customerShipping','fixedPaymentFee','feePercent','taxReservePercent','returnReservePercent','targetMarginPercent'] as const;\n const values=fields.map(k=>{const v=input[k]===undefined?(k==='targetMarginPercent'?20:0):input[k];if(typeof v!=='number'||!Number.isFinite(v)||v<0||v>1e9)throw new Error(k+' must be a finite nonnegative number.');return v;});\n const [cost,shipping,packaging,other,charged,fixedFee,fee,tax,returns,margin]=values;\n if([fee,tax,returns,margin].some(v=>v>100))throw new Error('Percentages must be between 0 and 100.');\n const rate=D(fee).plus(tax).plus(returns).div(100),target=D(margin).div(100);\n if(rate.plus(target).gte(1))throw new Error('Fees, reserves and target margin must total less than 100%.');\n const increment=input.roundingIncrement===undefined?0.01:input.roundingIncrement;\n if(typeof increment!=='number'||!Number.isFinite(increment)||increment<0.01||increment>100000||!D(increment).mul(100).isInteger())throw new Error('Rounding increment must be a multiple of 0.01.');\n const currency=input.currency||'PHP';\n if(!currencies.has(currency))throw new Error('Choose a supported currency.');\n const fixed=D(cost).plus(shipping).plus(packaging).plus(other).plus(fixedFee);\n const customerShipping=D(charged);\n const minimum=Decimal.max(0,fixed.div(D(1).minus(rate).minus(target)).minus(customerShipping));\n const item=minimum.div(increment).ceil().mul(increment);\n if(item.gt(1e9))throw new Error('Calculated price exceeds the supported limit.');\n const revenue=item.plus(customerShipping),variableCosts=revenue.mul(rate),profit=revenue.minus(fixed).minus(variableCosts);\n const result={currency,itemPrice:money(item),totalCustomerPayment:money(revenue),customerShipping:charged,minimumUnroundedItemPrice:minimum.toNumber(),fixedCosts:money(fixed),estimatedVariableCosts:money(variableCosts),estimatedProfit:money(profit),estimatedMarginPercent:revenue.gt(0)?profit.div(revenue).mul(100).toNumber():0,targetMarginPercent:margin,breakEvenItemPrice:money(Decimal.max(0,fixed.div(D(1).minus(rate)).minus(customerShipping))),assumptions:'Customer-paid shipping is included in revenue and percentage fees. Fixed payment fees are included in costs. Tax and return reserves are estimates, not tax advice. Actual refunds, duties, currency conversion and unentered costs can change profit. No sales or profit are guaranteed.'};\n if(Object.values(result).some(v=>typeof v==='number'&&!Number.isFinite(v)))throw new Error('Calculated result exceeds supported limits.');\n return result;\n}\nexport function csvCell(value:unknown):string {let s=String(value??'');if(/^[\\s\\uFEFF\\u200B]*[=+@\\-\\t\\r]/u.test(s))s=\"'\"+s;return '\"'+s.replace(/\"/g,'\"\"')+'\"';}\nexport const csvColumns=['Handle','Title','Body (HTML)','Vendor','Type','Tags','Published','Option1 Name','Option1 Value','Variant SKU','Variant Price','Variant Inventory Qty','Variant Inventory Policy','Variant Fulfillment Service','Variant Requires Shipping','Variant Taxable','Status'] as const;\nexport function catalogCsv(rows:Record[]):string {return [csvColumns.map(csvCell).join(','),...rows.map(r=>csvColumns.map(k=>csvCell(r[k])).join(','))].join('\\r\\n')+'\\r\\n';}\nexport function slug(value:string):string{return value.toLowerCase().normalize('NFKD').replace(/[^a-z0-9]+/g,'-').replace(/^-|-$/g,'').slice(0,90)||'product';}\nexport function escapeHtml(value:string):string{return value.replace(/&/g,'&').replace(//g,'>').replace(/\"/g,'"').replace(/'/g,''');}\nexport function descriptionHtml(value:string):string{return value.split(/\\n\\s*\\n/).filter(Boolean).map(s=>'

'+escapeHtml(s).replace(/\\n/g,'
')+'

').join('');}\nexport function draftRow(item:{title:string;description?:string;vendor?:string;productType?:string;sku?:string;tags?:string[];pricing:PriceInput},index=0):Record{const p=calculatePrice(item.pricing);return {Handle:slug(item.title)+'-'+(index+1),Title:item.title,'Body (HTML)':descriptionHtml(item.description||''),Vendor:item.vendor||'',Type:item.productType||'',Tags:(item.tags||[]).join(', '),Published:'FALSE','Option1 Name':'Title','Option1 Value':'Default Title','Variant SKU':item.sku||'','Variant Price':p.itemPrice.toFixed(2),'Variant Inventory Qty':0,'Variant Inventory Policy':'deny','Variant Fulfillment Service':'manual','Variant Requires Shipping':'TRUE','Variant Taxable':'TRUE',Status:'draft'};}\n",[],[227],"c4abc3b6-2822-4117-a323-4253319d31f9","main.ts","01a08524-306a-777e-b03d-89f363328502",["D",1788940774689],"http","import {createMcpHandler,McpServer} from 'npm:@modelcontextprotocol/server@2';\nimport * as z from 'npm:zod@4/v4';\nimport {calculatePrice,catalogCsv,draftRow,type PriceInput} from './pricing.ts';\nimport {renderPage,renderHome} from './web.ts';\nimport {appCss} from './web-css.ts';\nimport {appJs} from './web-client.ts';\n\nconst appName='God Matters Commerce Manager';\nconst base='https://god-matters-commerce.val.run';\nconst version='1.1.0';\nconst number=z.number().finite().min(0).max(1e9);\nconst percent=number.max(100);\nconst priceFields={productCost:number,supplierShipping:number.default(0),packaging:number.default(0),otherFixedCosts:number.default(0),customerShipping:number.default(0),fixedPaymentFee:number.default(0),feePercent:percent.default(0),taxReservePercent:percent.default(0),returnReservePercent:percent.default(0),targetMarginPercent:percent.default(20),roundingIncrement:z.number().finite().min(0.01).max(100000).refine(v=>Number.isInteger(Math.round(v*100))&&Math.abs(v*100-Math.round(v*100))<1e-7).default(0.01),currency:z.enum(['PHP','USD','EUR','GBP','AUD','CAD','SGD']).default('PHP')};\nconst priceSchema=z.object(priceFields).strict();\nconst listingSchema=z.object({title:z.string().trim().min(1).max(200),description:z.string().max(10000).default(''),vendor:z.string().max(200).default(''),productType:z.string().max(200).default(''),sku:z.string().max(100).default(''),tags:z.array(z.string().max(100)).max(20).default([]),pricing:priceSchema}).strict();\nconst resultSchema=z.object({currency:z.string(),itemPrice:z.number(),totalCustomerPayment:z.number(),customerShipping:z.number(),minimumUnroundedItemPrice:z.number(),fixedCosts:z.number(),estimatedVariableCosts:z.number(),estimatedProfit:z.number(),estimatedMarginPercent:z.number(),targetMarginPercent:z.number(),breakEvenItemPrice:z.number(),assumptions:z.string()});\nconst warnings=['All exports are unpublished drafts with zero inventory. Verify supplier authorization, actual stock, shipping, taxes, image rights and product safety before importing or publishing.'];\nconst plans={free:{name:'Free',price:0,draftLimit:25,monthlyDraftWrites:25,batchLimit:10,aiBudgetUsd:0},starter:{name:'Starter',price:4.99,draftLimit:250,monthlyDraftWrites:250,batchLimit:25,aiBudgetUsd:0},growth:{name:'Growth',price:9.99,draftLimit:1000,monthlyDraftWrites:1000,batchLimit:100,aiBudgetUsd:0},pro:{name:'Pro',price:19.99,draftLimit:5000,monthlyDraftWrites:5000,batchLimit:100,aiBudgetUsd:0}};\nconst capabilities={name:appName,description:'Free pricing, catalog analysis and draft preparation for online sellers.',features:['Selling price and estimated margin calculations','Fixed payment fees and shipping-aware pricing','Batch analysis of up to 100 supplied products','Shopify-compatible unpublished CSV drafts','Standalone browser-local draft editing and backup'],limitations:['No private Shopify or Shopee connection is active in this release.','No payment collection or subscription billing is active.','No automatic sourcing, AI generation, inventory synchronization, purchases or publication.','Browser-local drafts are not synchronized across devices.','A public MCP endpoint is not an approved ChatGPT directory listing.'],website:base};\nconst outcome=(data:unknown)=>({content:[{type:'text' as const,text:JSON.stringify(data)}],structuredContent:data});\nconst failed=(e:unknown)=>({isError:true,content:[{type:'text' as const,text:e instanceof Error?e.message:'Unable to process the request.'}]});\nfunction analyze(items:Array>,includeCsv=false){const rows=items.map((item,index)=>({title:item.title,pricing:calculatePrice(item.pricing),csv:draftRow(item,index)}));return {items:rows.map((r,index)=>({title:items[index].title,pricing:r.pricing})),shopifyCsv:includeCsv?catalogCsv(rows.map(r=>r.csv)):undefined,warnings:[...warnings,...(new Set(rows.map(r=>r.pricing.currency)).size>1?['Currencies are not converted or added together.']:[])]};}\nfunction makeServer(){\n const server=new McpServer({name:'god-matters-commerce',version});\n const annotations={readOnlyHint:true,destructiveHint:false,openWorldHint:false,idempotentHint:true};\n server.registerTool('calculate_product_price',{title:'Calculate selling price',description:'Calculate a selling price and estimated profit using merchant-supplied costs, shipping, payment fees, reserves and target margin. Do not invent costs or guarantee profit.',inputSchema:priceSchema,outputSchema:resultSchema,annotations},async input=>{try{return outcome(calculatePrice(input));}catch(e){return failed(e);}});\n server.registerTool('analyze_catalog',{title:'Analyze product margins',description:'Analyze up to 100 merchant-supplied products, and optionally prepare an unpublished Shopify CSV. No supplier data is fetched and no store is changed.',inputSchema:z.object({items:z.array(z.object({name:z.string().min(1).max(200),sku:z.string().max(100).optional(),supplier:z.string().max(200).optional(),...priceFields})).min(1).max(100),includeShopifyCsv:z.boolean().default(false)}),outputSchema:z.object({items:z.array(z.object({name:z.string(),sku:z.string(),supplier:z.string(),pricing:resultSchema})),shopifyCsv:z.string().optional(),warnings:z.array(z.string())}),annotations},async({items,includeShopifyCsv})=>{try{const rows=items.map((item,index)=>({name:item.name,sku:item.sku||'',supplier:item.supplier||'',pricing:calculatePrice(item),csv:draftRow({title:item.name,vendor:item.supplier||'',sku:item.sku||'',pricing:item},index)}));return outcome({items:rows.map(({name,sku,supplier,pricing})=>({name,sku,supplier,pricing})),shopifyCsv:includeShopifyCsv?catalogCsv(rows.map(r=>r.csv)):undefined,warnings});}catch(e){return failed(e);}});\n server.registerTool('prepare_product_listing',{title:'Prepare a product listing',description:'Turn verified product information into an unpublished draft and optional Shopify CSV. Never invent specifications, reviews, stock or certifications. Does not create or publish a Shopify product.',inputSchema:z.object({title:z.string().min(1).max(200),description:z.string().max(10000),vendor:z.string().max(200).default(''),productType:z.string().max(200).default(''),sku:z.string().max(100).default(''),tags:z.array(z.string().max(100)).max(20).default([]),quantity:z.number().int().nonnegative().max(1000000).default(0),pricing:priceSchema,includeShopifyCsv:z.boolean().default(true)}),outputSchema:z.object({title:z.string(),description:z.string(),pricing:resultSchema,shopifyCsv:z.string().optional(),status:z.literal('draft'),warnings:z.array(z.string())}),annotations},async input=>{try{const p=calculatePrice(input.pricing);return outcome({title:input.title,description:input.description,pricing:p,shopifyCsv:input.includeShopifyCsv?catalogCsv([draftRow(input)]):undefined,status:'draft',warnings});}catch(e){return failed(e);}});\n server.registerTool('get_commerce_capabilities',{title:'About Commerce Manager',description:'Describe the actual available features, limitations, website and Shopify integration status. Do not claim approval or paid features are active.',inputSchema:z.object({}),outputSchema:z.object({name:z.string(),description:z.string(),features:z.array(z.string()),limitations:z.array(z.string()),website:z.string()}),annotations},async()=>outcome(capabilities));\n return server;\n}\nconst handler=createMcpHandler(makeServer);\nconst headers={'Cache-Control':'no-store','X-Content-Type-Options':'nosniff'};\nconst json=(value:unknown,status=200)=>Response.json(value,{status,headers});\nfunction page(title:string,body:string,script=false,status=200){return new Response(renderPage(title,'

'+body+'

',script),{status,headers:{'Content-Type':'text/html; charset=utf-8',...headers,'Content-Security-Policy':\"default-src 'none'; script-src 'self'; style-src 'self'; connect-src 'self'; img-src 'self' data:; form-action 'self'; base-uri 'none'; frame-ancestors 'none'\"}});}\nfunction webResponse(html:string){return new Response(html,{headers:{'Content-Type':'text/html; charset=utf-8',...headers,'Content-Security-Policy':\"default-src 'none'; script-src 'self'; style-src 'self'; connect-src 'self'; img-src 'self' data:; form-action 'self'; base-uri 'none'; frame-ancestors 'none'\"}});}\nconst field=(name:string,label:string,value:number,step='any')=>''+label+'';\nfunction economics(){return page('Operating cost model','BUSINESS PLANNING

Know what each plan needs to earn.

Compare revenue with the real cost of serving customers. This is an illustrative scenario calculator, not a report of verified Shopify or hosting expenses. Replace every assumption with your actual invoices and usage.

Estimated monthly results

Revenue—

Operating surplus before unentered costs—

Contribution per paying customer—

Break-even customer count—

Operating margin—

Customer volume scenarios

Paying customers	Revenue	Operating surplus

Costs to verify before launching paid plans

Include hosting and database usage, domain and email, AI provider costs, Shopify app billing and revenue-share terms, payment fees, support, refunds, taxes, and a reserve for unexpected expenses. Development recovery and your own labor should be considered separately. A target margin is not a guarantee.

Return to the free tools

',true);}\nconst privacy='

Privacy policy

Effective September 9, 2026. This policy covers the standalone public commerce tools and their read-only MCP endpoint.

Information processed

We process the product names, descriptions, prices and other inputs you submit to return calculations or draft exports. The public service does not require a merchant account, receive payment-card details, or connect to a private Shopify or Shopee store. Do not submit passwords, API keys, personal identity numbers or confidential customer records.

Device-local drafts

Drafts saved through the standalone browser interface are stored in your own browser storage. They are not synchronized with other devices or maintained in a merchant database by this service. You can edit or delete them, export a backup, or clear the browser data. Clearing browser storage may permanently erase drafts that you have not backed up.

Hosting and retention

Val Town processes requests and may retain operational logs and service metadata under its own policies. We do not promise that hosting logs are never retained. Submitted product data is not intentionally sold or used for advertising. No persistent public-service merchant catalog is created on our server.

Sharing and security

Information is shared with the hosting provider as needed to operate the service and with OpenAI when you invoke it through ChatGPT under your applicable settings. No supplier or store API is contacted by the standalone calculator. A future Shopify merchant app will have separate authentication and data handling, with an updated policy before installation is offered.

Contact

For privacy questions or requests concerning submitted information or operational logs, email hardinlourijessie@gmail.com.

';\nconst terms='

Terms of use

Effective September 9, 2026. The standalone tools are free and are provided for business planning and draft preparation. There is no active paid subscription or Shopify App Store installation through this service.

Seller responsibilities

You are responsible for verifying supplier prices, delivery costs, marketplace fees, taxes, inventory, product safety, intellectual-property permissions and local legal requirements. Use only information you are authorized to share or sell. Do not submit unlawful content or personal information that is unnecessary for a calculation.

Estimates and limitations

Calculations are estimates and are not financial, tax or legal advice. Actual costs, refunds and market conditions may differ. No sales or profit are guaranteed. The standalone service does not purchase goods, reserve stock, create Shopify products, or publish listings. CSV imports must be reviewed by the merchant before publication.

Availability and changes

Service availability may be affected by hosting limits, maintenance, or abuse prevention. Features and future paid terms may change before launch. No paid plan will be charged through this public service. Contact hardinlourijessie@gmail.com for support.

';\nconst support='

Support

Need help with a calculation, catalog draft, backup, privacy request or technical problem? Contact the project by email.

Email support

hardinlourijessie@gmail.com

Include the tool name, a non-sensitive example of your inputs, and the error message. Never send passwords, API keys, payment-card details or identity documents.

Current service status

Version 1.1.0 provides standalone pricing, device-local drafts, safe CSV preparation and read-only MCP tools. Private Shopify authorization, cloud merchant drafts, paid subscriptions and App Store approval are not active here.

View the service health endpoint or return to the free tools.

';\nasync function readJson(request:Request){if(!(request.headers.get('content-type')||'').toLowerCase().includes('application/json'))throw Object.assign(new Error('JSON content type required.'),{status:415});if(Number(request.headers.get('content-length')||0)>100000)throw Object.assign(new Error('Request too large.'),{status:413});const text=await request.text();if(text.length>100000)throw Object.assign(new Error('Request too large.'),{status:413});try{return JSON.parse(text);}catch{throw new Error('Invalid JSON request.');}}\nfunction errorResponse(e:unknown){if(e instanceof z.ZodError)return json({error:e.issues[0]?.message||'Invalid input.'},400);if(e instanceof Error)return json({error:e.message},Number((e as Error&{status?:number}).status)||400);return json({error:'Unable to process the request.'},500);}\nexport default async function(request:Request):Promise{const url=new URL(request.url),path=url.pathname,method=request.method;\n if(path==='/mcp'||path==='/mcp/')return handler.fetch(request);\n if(method==='OPTIONS')return new Response(null,{status:204,headers:{Allow:'GET, POST, OPTIONS'}});\n if(path==='/assets/app.css'&&method==='GET')return new Response(appCss,{headers:{'Content-Type':'text/css; charset=utf-8','Cache-Control':'public, max-age=300','X-Content-Type-Options':'nosniff'}});\n if(path==='/assets/app.js'&&method==='GET')return new Response(appJs,{headers:{'Content-Type':'text/javascript; charset=utf-8','Cache-Control':'public, max-age=300','X-Content-Type-Options':'nosniff'}});\n if(path==='/api/price'||path==='/api/catalog'){\n if(method!=='POST')return json({error:'Use POST with JSON.'},405);\n try{const input=await readJson(request);if(path==='/api/price')return json(calculatePrice(priceSchema.parse(input)));const parsed=z.object({items:z.array(listingSchema).min(1).max(100),includeShopifyCsv:z.boolean().default(false)}).strict().parse(input);return json(analyze(parsed.items,parsed.includeShopifyCsv));}catch(e){return errorResponse(e);}\n }\n if(method!=='GET')return json({error:'Method not allowed.'},405);\n if(path==='/health')return json({ok:true,name:appName,version,features:['pricing','catalog','local-drafts','mcp'],billingEnabled:false,shopifyConfigured:false,directoryPublished:false});\n if(path==='/api/capabilities')return json(capabilities);\n if(path==='/api/plans')return json({plans,paidBillingEnabled:false,proposed:true});\n if(path==='/')return webResponse(renderHome());\n if(path==='/economics')return economics();\n if(path==='/privacy')return page('Privacy policy',privacy);\n if(path==='/terms')return page('Terms of use',terms);\n if(path==='/support')return page('Support',support);\n return page('Not found','

Page not found

The requested page does not exist.

Return to Commerce Manager

');\n}\n",[],[235],["D",1788925475329],["D",1789545036283],{"_11":12,"_142":72},{"_11":12,"_137":138,"_71":72,"_30":70,"_139":140,"_141":24},{"_40":127,"_13":16,"_34":37,"_128":88,"_129":130,"_131":41,"_132":93,"_133":88,"_134":43,"_135":14,"_136":12},"ctx",{"_55":-5,"_162":280,"_281":282,"_283":284,"_285":24,"_286":24,"_287":24,"_288":101,"_289":-5,"_290":-7,"_291":-7,"_292":26,"_293":24,"_294":24,"_295":-5,"_296":24,"_297":24,"_298":24,"_299":-5},"ENV",{"_251":252,"_253":254,"_255":168,"_256":257,"_258":259,"_260":261,"_262":263,"_264":265,"_266":267,"_268":269,"_270":271,"_272":273,"_274":275,"_276":277,"_278":279},"REACT_APP_SENTRY_DSN","https://586020d86f05489db63a554690acf1e9@o1398359.ingest.sentry.io/6724499","RENDER_GIT_COMMIT","5015b8df46402d8bba4f485ecc37aec202b0e06b","RENDER_GIT_BRANCH","POSTHOG_API_TOKEN","phc_nmoyuAkStEZuUp69rYlg1DZgrIt19Gx0Y4Hwf8tGgJP","POSTHOG_API_HOST","https://wart.val.town","WEB_API_TEMPLATE","https://{val}.web.val.run","APP_URL","https://www.val.town","MODULE_URL","https://esm.town","VANITY_WEB_API_TEMPLATE","https://{label}.val.run/","DENOLS_URL","https://lsp.val.town","NODE_ENV","production","CLOUDFLARE_TURNSTILE_SITE_KEY","0x4AAAAAACtaIZJH7s9rBMZ6","GOOGLE_CLIENT_ID","875989696899-jtsqkhlbdv5jrlsk8631p7ipjg3c6o62.apps.googleusercontent.com","STRIPE_PUBLISHABLE_KEY","pk_live_51N2zvWEpZTTLipIkVEwXrUG9AT0yeOOEYxszarZT1jpsZV58Ly6wlg3SltZpHN26CUalOBmUSY7adQRQiSkCZz2500qSXNkf8Y","API_URL","https://api.val.town",[],"preferencesKeybindings","default","preferencesTheme","light","preferencesFixers","preferencesCopilot","preferencesSelectionAi","preferencesCloseBrackets","preferencesChatPanelState","preferencesDprint","preferencesDenofmt","notificationCount","flagDenols","isBusinessOrgMember","businessOrgHandle","isBusinessOrgAdmin","isHigherTownieTier","navCollapsed","currentOrgId"]

Know your costs.
Price with confidence.

Calculate your selling price

Cost inputs

Prepare and save drafts

Listing details

Saved on this device

Start free. Grow when you need more.

Free

Starter

Growth

Pro

Draft first. Verify before selling.

Real cost accounting

No invented inventory

Open commerce tools

Know what each plan needs to earn.

Monthly assumptions (USD)

Estimated monthly results

Customer volume scenarios

Costs to verify before launching paid plans

Privacy policy

Information processed

Device-local drafts

Hosting and retention

Sharing and security

Contact

Terms of use

Seller responsibilities

Estimates and limitations

Availability and changes

Support

Email support

Current service status

Page not found

Know your costs.Price with confidence.

Calculate your selling price

Cost inputs

Prepare and save drafts

Listing details

Saved on this device

Start free. Grow when you need more.

Free

Starter

Growth

Pro

Draft first. Verify before selling.

Real cost accounting

No invented inventory

Open commerce tools

Know what each plan needs to earn.

Monthly assumptions (USD)

Estimated monthly results

Customer volume scenarios

Costs to verify before launching paid plans

Privacy policy

Information processed

Device-local drafts

Hosting and retention

Sharing and security

Contact

Terms of use

Seller responsibilities

Estimates and limitations

Availability and changes

Support

Email support

Current service status

Page not found

Know your costs.
Price with confidence.

History · tests.ts