Authorization failed

Error: ${error}

${errorDescription}

\n \n \n`);\n }\n\n return c.html(`\n\n OAuth Callback\n \n

Authorization successful!

This window will close automatically...

\n \n \n`);\n});\n\n// CORS proxy — forwards browser fetch requests to the real MCP server\n// so everything is same-origin from the browser's perspective.\napp.all(\"/proxy\", async (c) => {\n const targetUrl = c.req.query(\"url\");\n if (!targetUrl) return c.text(\"Missing url parameter\", 400);\n\n const headers = new Headers(c.req.raw.headers);\n headers.delete(\"host\");\n headers.delete(\"connection\");\n\n const method = c.req.method;\n const body = method !== \"GET\" && method !== \"HEAD\" ? c.req.raw.body : undefined;\n\n const response = await fetch(targetUrl, { method, headers, body });\n\n return new Response(response.body, {\n status: response.status,\n statusText: response.statusText,\n headers: response.headers,\n });\n});\n\n// Main page\napp.get(\"/\", (c) => {\n const url = new URL(c.req.url);\n const isLocal =\n url.hostname === \"localhost\" ||\n url.hostname === \"127.0.0.1\" ||\n url.hostname === \"0.0.0.0\";\n const frontendUrl = isLocal\n ? \"/frontend/app.ts\"\n : \"/frontend/app.ts\";\n\n return c.html(`\n\n \n MCP Auth Workbench\n \n \n \n \n

\n \n

\n Identity Provider\n \n

\n\n

\n Server Endpoint\n \n

\n\n

\n Custom Server URL\n \n

\n\n

\n ▶ Configuration\n

\n \n \n Use Pop-up for Auth\n \n

\n OAuth Callback URL\n \n

\n\n

\n Client ID Metadata Document\n

\n \n View\n

\n\n

\n \n \n Use Localhost Development Mode\n \n

\n Use http://localhost/ as client_id for local development\n

\n\n

\n \n \n \n \n

\n\n

\n SDK: @modelcontextprotocol/sdk@${SDK_VERSION}\n

Request Log

\n\n \n \n \n`);\n});\n\n// Favicon\napp.get(\"/favicon.svg\", (c) => {\n return c.body(\n ``,\n 200,\n { \"Content-Type\": \"image/svg+xml\" }\n );\n});\n\n// Unwrap Hono errors to see original error details\napp.onError((err, c) => {\n throw err;\n});\n\nexport default app.fetch;\n","deleted","label",[175,156],"backend","permalink","https://www.val.town/x/pcarleton/mcp-xaa-client/code/backend/index.http.tsx","extension","actionData","errors"]