Google tells you what exists. Faceabot tells you what holds up.
Cloudflare Workers MCP server: citation-verifier
MCP endpoint :https://api.lazy-mac.com/citation-verifier/mcp · website · measurements and detailsAPA, MLA and Chicago citations from a DOI, an ISBN or typed details. No account.
Package npm :student-citations-mcp · website · measurements and detailsOpenCitations MCP — citation index (COCI + general Index API).
MCP endpoint :https://gateway.pipeworx.io/opencitations/mcp · website · measurements and detailsAudit domains for ChatGPT, Perplexity & Claude GEO citation readiness and llms.txt compliance.
MCP endpoint :https://citepulse-ai.run402.com/api/mcp · website · measurements and detailsCitation Finder Ai MCP Server by MEOK AI Labs
Package pypi :citation-finder-ai-mcp · website · measurements and detailsCitation-network analysis on Scopus or OpenAlex: coupling, co-citation, lineages, bibliometrics.
Package pypi :citation-network-mcp · website · measurements and detailsKCI (Korea Citation Index) literature & citation search via REST Open API + OAI-PMH
Package mcpb :https://github.com/rubato103/KCI_openAPI/releases/download/v0.1.3/kci-openapi-mcp.mcpb · website · measurements and detailsKCI (Korea Citation Index) literature & citation search via REST Open API + OAI-PMH
Package mcpb :https://github.com/rubatoyd/KCI_openAPI/releases/download/v0.3.6/kci-openapi-mcp.mcpb · website · measurements and detailsBrands ChatGPT names for real buyer questions, updated every 30 minutes, with AI visibility scores.
MCP endpoint :https://api.engagemii.com/api/mcp · website · measurements and detailsF-1 and J-1 student immigration answers with citations to regulations and agency guidance.
MCP endpoint :https://henryknows.info/mcp · website · measurements and detailsPaste a bibliography or a single reference and find out whether the papers are real.
MCP endpoint :https://citations.openkrill.app/mcp · website · measurements and detailsCheck if a US legal citation exists, names its case and has a valid pin cite; or find a case. Free.
MCP endpoint :https://loupe.legal/mcp-public · website · measurements and detailsVerifies legal citations vs primary sources: existence, quote match, proposition support.
MCP endpoint :https://citationsafe.com/api/mcp · website · measurements and detailsReal-time fact-check, citation verification, and source-freshness for AI agents.
MCP endpoint :https://verification-mcp.atlasword.workers.dev/mcp · website · measurements and detailsCitation Style Language locale shape, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/csl-ok/mcp · website · measurements and detailsDoes a cited URL exist, and does the source name what your claim names? Two answers.
MCP endpoint :https://exmachina-ai.fly.dev/verify · website · measurements and detailsAudit any URL for ChatGPT, Claude & Perplexity GEO citation readiness, llms.txt & Schema.org.
MCP endpoint :https://citepulse-ai.run402.com/api/mcp?channel=run402 · website · measurements and detailsMeasure how AI assistants cite your brand. Returns measured data and ready-to-apply fixes.
MCP endpoint :https://lotus.clicon.app/mcp/ · website · measurements and detailsVerify claims, citations & agent actions. Free receipt trial; paid prices via live R/IV quotes.
MCP endpoint :https://rdiv-production-runtime-production.up.railway.app/mcp · website · measurements and detailsCheck what Perplexity, Claude, ChatGPT, Gemini, and Google AI Overviews cite for any query.
Package npm :@automatelab/citation-intelligence · 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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