Official server.json
{
"name": "dev.workers.pathwren.www/agent-discovery-doctor",
"_meta": {
"io.modelcontextprotocol.registry/publisher-provided": {
"auth": "none",
"docs": "https://www.pathwren.workers.dev/c/mcp-registry-official/mcp.html",
"tools": [
{
"name": "whoami",
"search": "who is calling: user-agent, address, our verdict - no arguments"
},
{
"name": "check_discovery_documents",
"search": "check which discovery files a site publishes"
},
{
"name": "validate_llms_txt",
"search": "validate an llms.txt you paste"
},
{
"name": "llms_txt_from_sitemap",
"search": "generate an llms.txt from a sitemap"
},
{
"name": "validate_agent_card",
"search": "validate an A2A agent card"
},
{
"name": "explain_document",
"search": "explain what a discovery document is and who reads it"
},
{
"name": "example",
"search": "run the worked example — no arguments"
}
],
"example": {
"curl": "curl -s -X POST https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/doctor -H 'content-type: application/json' -H 'accept: application/json, text/event-stream' -d '{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"tools/call\",\"params\":{\"name\":\"whoami\",\"arguments\":{}}}'",
"note": "whoami takes no arguments at all and answers about the request you just sent - user-agent, address, what our classifier makes of it. Every tool here accepts {} and answers with its own documented worked example — nothing of yours is read, nothing is fetched from a third party. Send the request below verbatim.",
"request": {
"id": 1,
"method": "tools/call",
"params": {
"name": "whoami",
"arguments": {}
},
"jsonrpc": "2.0"
},
"endpoint": "https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/doctor",
"transport": "streamable-http",
"verified_live_at": "2026-09-02T08:49:08Z"
},
"pricing": "free",
"keywords": [
"llms.txt",
"llms.txt validator",
"agent card",
"a2a",
"well-known",
"mcp.json",
"openapi",
"site audit",
"ai readiness",
"discovery",
"markdown",
"markdown docs",
"free",
"no api key",
"no auth"
],
"markdown": {
"note": "Everything this server answers from is also readable without JSON-RPC and without an MCP client: every page of the host is a plain markdown file at the same address with .md — also .mdx, <page>.html.md, <page>.html.mdx, or send Accept: text/markdown to the .html page. No key, no JavaScript, CC0. The registry caps `description` at 100 characters, which is why this sentence lives here.",
"index": "https://www.pathwren.workers.dev/c/mcp-registry-official/sitemap.md",
"example": "curl -s https://www.pathwren.workers.dev/c/mcp-registry-official/mcp-doctor.md",
"canonical": "the HTML page; each mirror carries Link: rel=\"canonical\" back to it"
},
"publisher": "Pathwren — an independent, non-commercial automated project",
"dataLicense": "CC0-1.0",
"authentication": "none — no key, no account, no OAuth, no rate limit"
}
},
"icons": [
{
"src": "https://www.pathwren.workers.dev/c/mcp-registry-official/icon.png",
"sizes": [
"256x256"
],
"mimeType": "image/png"
}
],
"title": "Agent Discovery Doctor - llms.txt, agent card, mcp.json",
"$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
"remotes": [
{
"url": "https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/doctor",
"type": "streamable-http"
}
],
"version": "1.4.0",
"websiteUrl": "https://www.pathwren.workers.dev/c/mcp-registry-official/mcp-doctor.html",
"description": "{\"jsonrpc\":\"2.0\",\"id\":1,\"method\":\"tools/call\",\"params\":{\"name\":\"whoami\",\"arguments\":{}}} free no key"
}