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AnswerRail AEO, Schema.org & /llms.txt Audit MCP

R0· no sign-in

6-category AI readiness, Schema.org, robots.txt, /llms.txt & 25k-token audit + auto-fix MCP server

v1.2.7 · active · repository · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality91strong
Trust97of 100
Uptime, 30 days97%
Latency p50218 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "answerrail-mcp": {
      "type": "http",
      "url": "https://answerrail.com/mcp"
    }
  }
}
claude mcp add --transport http answerrail-mcp https://answerrail.com/mcp
[mcp_servers.answerrail-mcp]
url = "https://answerrail.com/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "answerrail-mcp": {
      "type": "remote",
      "url": "https://answerrail.com/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "answerrail-mcp": {
      "type": "http",
      "url": "https://answerrail.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=answerrail-mcp&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vYW5zd2VycmFpbC5jb20vbWNwIn0%3D"
}
{
  "servers": {
    "answerrail-mcp": {
      "type": "http",
      "url": "https://answerrail.com/mcp"
    }
  }
}
{
  "mcpServers": {
    "answerrail-mcp": {
      "httpUrl": "https://answerrail.com/mcp"
    }
  }
}
extensions:
  "answerrail-mcp":
    enabled: true
    name: "answerrail-mcp"
    type: streamable_http
    uri: "https://answerrail.com/mcp"
    timeout: 300

Quality 91 / 100strong

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2024-11-05; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene100 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations4 of 4 tools declare readOnlyHint or destructiveHint
  • pass
    tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
  • pass
    tools.token_costabout 949 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changesno tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvabledeps.dev does not know [email protected]

4 tools, about 949 tokens to load them all · tool set 78d9aad31141 · checked 2026-11-07 17:28 UTC

Tool changes

No tool definition changes recorded. A server's first observation is its baseline; later probes record what changes.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 97 / 100

provenance90
liveness99
freshness100
hygiene100

+repository +namespace-matches-repo +website +reachable +uptime-97% +updated-9d-ago

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Dependencies

[email protected] npmthis version is not known to the dependency resolver

Dependency graphs from deps.dev; advisories from OSV.dev, including the GitHub Advisory Database and the PyPI Advisory Database; all CC BY 4.0. The graph is what a clean install of this version resolves today; nothing was installed or run. How it is checked.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://answerrail.com/mcp streamable-httpnoneyes97%218 ms2024-11-052026-11-07
packageregistryversionruntimesecrets
answerrail-mcpnpm1.2.7–

Tools (4)

audit_ai_readinessread-onlyAudits a website URL or domain for AI crawler access (GPTBot, OAI-SearchBot, PerplexityBot, ClaudeBot), 25,000-token HTML RAG truncation, /llms.txt presence, Schema.org JSON-LD entities, and Google Lighthouse 13.5 Agentic Browsing (/.well-known/ai-catalog.json ARD 1.0). Use this tool first when diagnosing why a site is omitted or misquoted by ChatGPT, Perplexity, or Claude. Do not use this tool to extract full-page Markdown content (use extract_byte0_markdown instead) or to generate static manifest files (use generate_ai_manifests instead). Read-only network check; requires no API key.
extract_byte0_markdownread-onlyStrips React/Next.js hydration scripts, Shopify Liquid/WordPress DOM bloat, and inline SVGs/CSS from any URL, returning clean Byte-0 GitHub-Flavored Markdown (GFM) with front-loaded Schema.org tables. Use this tool when you need to read a web page or pricing table inside an LLM context window without exceeding the 25,000-token truncation limit. Do not use this tool if you only need a diagnostic readiness score or robots.txt check (use audit_ai_readiness instead). Read-only HTTP extraction; requires no API key.
generate_ai_manifestsread-onlyCompiles ready-to-save /llms.txt documentation index and Google Lighthouse 13.5 /.well-known/ai-catalog.json (ARD 1.0) JSON manifests from a live domain, plus HTML <head> and robots.txt Agentmap snippets. Use this tool when a developer wants to remediate missing discovery manifests identified by audit_ai_readiness. Do not use this tool for general web scraping (use extract_byte0_markdown instead). Read-only synthesis; requires no API key and does not modify remote servers.
query_truncation_benchmarkread-onlyRetrieves empirical benchmark telemetry from the 2026 50-Site SaaS & E-Commerce AI Truncation Study (measuring raw HTML token weight, 25,000-token Perplexity/ChatGPT cutoff truncation, visible price omission, /llms.txt adoption, and Lighthouse 13.5 ARD 1.0 adoption). Use this tool when comparing a site against industry peers (such as Stripe, Vercel, Datadog, or Shopify) or answering research questions about the Static /llms.txt Paradox. Do not use this tool to run a live scan on an arbitrary unbenchmarked URL (use audit_ai_readiness instead). Read-only benchmark lookup; requires no API key.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "io.github.quitegoodproject/answerrail-mcp",
  "title": "AnswerRail AEO, Schema.org & /llms.txt Audit MCP",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://answerrail.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.2.7",
  "packages": [
    {
      "version": "1.2.7",
      "transport": {
        "type": "stdio"
      },
      "identifier": "answerrail-mcp",
      "registryType": "npm",
      "registryBaseUrl": "https://registry.npmjs.org"
    }
  ],
  "repository": {
    "url": "https://github.com/quitegoodproject/answerrail-mcp",
    "source": "github"
  },
  "websiteUrl": "https://answerrail.com",
  "description": "6-category AI readiness, Schema.org, robots.txt, /llms.txt & 25k-token audit + auto-fix MCP server"
}