Google tells you what exists. Faceabot tells you what holds up.
{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key
MCP endpoint :https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/doctor · website · measurements and detailsCreate, validate and audit llms.txt, incl. the Lighthouse Agentic Browsing check.
MCP endpoint :https://www.llms-txt-generator.de/api/mcp · website · measurements and details檢查網站 llms.txt 與 AI 爬蟲 robots.txt 設定，並自動產生 llms.txt。
MCP endpoint :https://llms-check.panda198271.workers.dev/mcp · website · measurements and detailsllms.txt 檢查工具：檢查網站的 llms.txt、robots 與 sitemap。台灣繁體中文 MCP 工具。
MCP endpoint :https://llms.penguindriver.com/mcp · website · measurements and detailsDoes a site publish llms.txt, robots permissions and a sitemap agents can use? Bounded check.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/llms-txt-readiness/mcp · website · measurements and detailsAny site's llms.txt: find the covering index, read its linked docs as markdown, search sections.
MCP endpoint :https://llmstxtmcp.dev/mcp · website · measurements and detailsChecks llms.txt, AI crawler access in robots.txt, and sitemap - with a 0-100 AI readiness score.
MCP endpoint :https://mcp.apify.com?tools=apifmcpfactory/llms-txt-checker · website · measurements and detailsBuild llms.txt from local Markdown or a sitemap.xml and check an existing llms.txt file.
Package oci :ghcr.io/basitalisandhu/mcp-llms-txt:0.1.1 · website · measurements and detailsSix checks: llms.txt, llms-full.txt, .md twins, Accept: text/markdown, sitemap.md, alt link. Free.
MCP endpoint :https://www.pathwren.workers.dev/c/mcp-registry-official/mcp/markdown · website · measurements and detailsProfile LLM context: token breakdown, wasted-context findings and fixes for chats and agents.
Package npm :context-doctor · website · measurements and detailsWhat a domain publishes for AI agents: ai-catalog.json, llms.txt, agents.md, robots.txt rules. Free.
MCP endpoint :https://registry.desvela.dev/mcp · website · measurements and detailsScan and fix your site's AI discoverability: crawler access, llms.txt, JSON-LD. Free.
MCP endpoint :https://ai-ready.magicteams.ai/mcp · website · measurements and detailsRead-only search and discovery for the international llms.txt directory maintained by llmsmap.me.
MCP endpoint :https://llmsmap.me/api/mcp/ · measurements and detailsPrioritize an existing Italian B2B lead list into up to 250 explained JSON decisions.
MCP endpoint :https://mcp.machinesignal.it/mcp · website · measurements and detailsFree AI-readiness audit of any URL: AI crawler rules, JS-free text, JSON-LD, llms.txt. Tool catalog.
MCP endpoint :https://agentbuilt.dev/api/mcp · website · measurements and detailsOne-call audit: robots.txt AI-bot rules, llms.txt, JSON-LD, meta tags, sitemap. Score plus fixes.
MCP endpoint :https://ai-visibility.rowb.app/mcp · website · measurements and detailsMake a product discoverable to agents: catalog, llms.txt, agent card, hops, MCP door.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/agents-find-your-product/mcp · website · measurements and detailsSolana wallet forensics SDK, x402 pay-per-call, AI agents.
MCP endpoint :https://defi-webhook.m-zikriz.workers.dev/api/agent · website · measurements and detailsCheck a deployed web app for security headers, SEO, accessibility and performance, with a grade.
MCP endpoint :https://vibe-doctor.zeroone.it.kr/mcp · website · measurements and detailsDiagnose x402 seller endpoints: what is wrong with your 402 challenge, and how to fix it.
MCP endpoint :https://x402-doctor.tsharpe.workers.dev/mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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