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🔍 MCP & OAuth Metadata Explorer

\n \n \n\n ${\n baseUrl\n ? `\n

Results for: `${baseUrl}`, ${targetUrl.pathname}

\n ${\n results.map((result, idx) => `\n

${result.name}

${result.fullUrl}

\n \n ${\n result.isLive\n ? `✓ Live (${result.status})`\n : `✗ Offline${result.status ? ` (${result.status})` : \"\"}`\n }\n \n

\n ${\n result.isLive\n ? `\n

${\n              typeof result.data === \"object\"\n                ? JSON.stringify(result.data, null, 2)\n                : result.data\n            }

\n `\n : result.error\n ? `\n

Error: ${result.error}

\n `\n : \"\"\n }\n

\n `).join(\"\")\n }\n `\n : \"

Enter a base URL above to check for MCP and OAuth metadata endpoints.

\"\n }\n\n \n\n\n `;\n\n return new Response(html, {\n headers: { \"Content-Type\": \"text/html\" },\n });\n}","// Learn more: https://docs.val.town/vals/http/\nexport default async function (req: Request): Promise {\n const url = new URL(req.url);\n const baseUrl = url.searchParams.get(\"baseUrl\") || \"\";\n const targetUrl = new URL(baseUrl || req.url);\n\n // Define MCP and OAuth metadata endpoint templates\n const endpoints = [\n {\n name: \"MCP PRM root\",\n path: `/.well-known/oauth-protected-resource${targetUrl.pathname}`,\n },\n { name: \"MCP PRM root\", path: \"/.well-known/oauth-protected-resource\" },\n { name: \"MCP Configuration\", path: \"/.well-known/mcp-configuration.json\" },\n {\n name: \"OAuth Authorization Server\",\n path: \"/.well-known/oauth-authorization-server\",\n },\n { name: \"OpenID Configuration\", path: \"/.well-known/openid-configuration\" },\n { name: \"OAuth 2.0 Metadata\", path: \"/.well-known/oauth-2.0-metadata\" },\n { name: \"WebFinger\", path: \"/.well-known/webfinger\" },\n ];\n\n // Check endpoints if baseUrl is provided\n let results = [];\n if (baseUrl) {\n results = await Promise.all(\n endpoints.map(async (endpoint) => {\n const fullUrl = targetUrl.origin + endpoint.path;\n try {\n const response = await fetch(fullUrl, {\n method: \"GET\",\n headers: { \"Accept\": \"application/json\" },\n });\n const isLive = response.ok;\n let data = null;\n if (isLive) {\n const text = await response.text();\n try {\n data = JSON.parse(text);\n } catch {\n data = text;\n }\n }\n return {\n ...endpoint,\n fullUrl,\n isLive,\n data,\n status: response.status,\n };\n } catch (error) {\n return { ...endpoint, fullUrl, isLive: false, error: error.message };\n }\n }),\n );\n }\n\n const html = `\n\n\n\n MCP & OAuth Metadata Explorer\n \n\n\n

🔍 MCP & OAuth Metadata Explorer

\n \n \n\n ${\n baseUrl\n ? `\n

Results for: `${baseUrl}`, ${targetUrl.pathname}

\n ${\n results.map((result, idx) => `\n

${result.name}

${result.fullUrl}

\n \n ${\n result.isLive\n ? `✓ Live (${result.status})`\n : `✗ Offline${result.status ? ` (${result.status})` : \"\"}`\n }\n \n

\n ${\n result.isLive\n ? `\n

${\n              typeof result.data === \"object\"\n                ? JSON.stringify(result.data, null, 2)\n                : result.data\n            }

\n `\n : result.error\n ? `\n

Error: ${result.error}

\n `\n : \"\"\n }\n

\n `).join(\"\")\n }\n `\n : \"

Enter a base URL above to check for MCP and OAuth metadata endpoints.

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🔍 MCP & OAuth Metadata Explorer

Results for: ${baseUrl}, ${targetUrl.pathname}

🔍 MCP & OAuth Metadata Explorer

Results for: ${baseUrl}, ${targetUrl.pathname}

Results for: `${baseUrl}`, ${targetUrl.pathname}

Results for: `${baseUrl}`, ${targetUrl.pathname}

Diff · v11