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The real catalog of tools for AI agents

Google tells you what exists. Faceabot tells you what holds up.

44,737real tools
29,284callable over HTTPS
19,924measured
6,554proven reliable
Marketcaper MCP Reliable (measured) · 96% over 23 checks Does the job (tested) · 22/22

Cited market comparisons and heatmap images for AI agents.

MCP endpoint : https://marketcaper.com/api/mcp · website · measurements and details
reference-mcp Not measured yet

Reference integrity for AI agents. Scans and verifies links, imports, assets, deps.

Package npm : reference-mcp · measurements and details
mcp Flaky · 67% over 3 checks Real task being tested · 2/2

See how ChatGPT, Claude, Perplexity, and Gemini cite brands, prompts, and sources.

MCP endpoint : https://mcp.parse.gl/mcp · website · measurements and details
Invoice Intake (reference) Not measured yet

Reference invoice-intake MCP servers: read/draft/commit split, typed errors, approval gate, audit

Package pypi : invoice-intake-mcp · website · measurements and details
knowledge-commons Being measured · 50% over 2 checks Real task being tested · 1/1

Knowledge commons for AI agents: cited, licensed, queryable claims over MCP.

MCP endpoint : https://metraipolis.com/mcp · measurements and details
Passage Data — cited environmental limits Reliable (measured) · 100% over 16 checks Fails real tasks · 0/16

Cited US, Canadian, EU limits (discharge, drinking water, soil, air); species status; DwC archives

MCP endpoint : https://passage-data.com/mcp · website · measurements and details
Specter Cite Private (key required)

German and EU law for AI assistants: statutes and case law in current wording, with sources.

MCP endpoint : https://cite.specterlaw.ai/mcp · website · measurements and details
Cite Caddy Private (key required)

Remote MCP server for full read/write access to a Zotero library

MCP endpoint : https://citecaddy.herbertkokholm.dk/mcp · website · measurements and details
mcp Flaky · 86% over 7 checks Does the job (tested) · 6/6

Cited, receipt-backed US home-buying data & calculators — education-only, every number sourced.

MCP endpoint : https://candidcost.com/api/mcp · website · measurements and details
site Flaky · 86% over 7 checks

Clauselane: the site's own MCP server — dataset; every answer cites the site.

MCP endpoint : https://clauselane.com/mcp · website · measurements and details
Limy Being measured · 0% over 1 checks

AI search visibility: brand mentions, citations, rankings, competitors and top cited sources.

MCP endpoint : https://mcp.limy.ai/mcp · website · measurements and details
Vantage Private (key required)

Checks whether ChatGPT, Gemini and Perplexity cite your site, and who they cite instead.

MCP endpoint : https://vantagemcp.dev/mcp · website · measurements and details
specter-skills Not measured yet

Configure a Specter game backend from chat: economy, progression, leaderboards, multiplayer.

Package npm : specter-skills · website · measurements and details
api Reliable (measured) · 100% over 43 checks

Sourced carbon emission factors + audit-traced calculations an AI can cite.

MCP endpoint : https://mcp.greencalculus.com · website · measurements and details
The Ranking Factory Private (key required)

Whether AI answers name and cite your business: runs, gaps, cited sources, published evidence.

MCP endpoint : https://therankingfactory.com/api/mcp · website · measurements and details
site Flaky · 75% over 4 checks

Cafmlane: the site's own MCP server — dataset; every answer cites the site.

MCP endpoint : https://cafmlane.com/mcp · website · measurements and details
Point Topic — UK Broadband Market Reference Flaky · 83% over 6 checks

Point Topic public MCP: UK broadband market reference data — ISPs, networks, links and standards.

MCP endpoint : https://mcp.point-topic.com/public · website · measurements and details
site Flaky · 95% over 19 checks

Amortlane: the site's own MCP server — dataset; every answer cites the site.

MCP endpoint : https://amortlane.com/mcp · website · measurements and details
Cited Brief Reliable (measured) · 100% over 23 checks Fails real tasks · 0/23

Paid web research tools: cited briefs, quote checks, page text. Pay per call in USDC via x402.

MCP endpoint : https://cited-brief.cited-brief.workers.dev/mcp · website · measurements and details
site Flaky · 80% over 5 checks

Batesio: the site's own MCP server — dataset; every answer cites the site.

MCP endpoint : https://batesio.com/mcp · website · measurements and details

AI 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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