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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
Castle MCP by usefulapi Reliable (measured) · 100% over 3 checks

Investigate security events and manage the allow/deny lists an analyst acts on.

MCP endpoint : https://castle.usefulapi.io/mcp · website · measurements and details
PGP armor fence check, key discarded Not measured yet

PGP armor fence check, key discarded

MCP endpoint : https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/pgp-armor-ok/mcp · website · measurements and details
castles Flaky · 75% over 4 checks

Castles, fortresses, palaces and ruins worldwide: search, nearby, fame ranking, statistics. CC0.

MCP endpoint : https://thecastlemap.com/mcp · website · measurements and details
Ironclad Verified Being measured · 0% over 2 checks

Hire evidence-verified home-service contractors. Confirmed-job reviews only; rank is never buyable.

MCP endpoint : https://ironcladverified.com/mcp · measurements and details
Steel Brain Reliable (measured) · 100% over 42 checks

Trade-verified steel grade properties, substitution verdicts, and mill-cert guidance for AI agents.

MCP endpoint : https://api.steelbrain.dev/mcp · website · measurements and details
MCP Fortress Being measured · 0% over 1 checks

Security scanner for MCP servers. Detect vulnerabilities, prompt injection, and tool poisoning.

MCP endpoint : https://server.smithery.ai/@mcp-fortress/mcp-fortress-server/mcp · measurements and details
Ironfang Private (key required)

Render pages to images and PDFs, audit websites, explain Peppol rules, run integration test rigs.

MCP endpoint : https://mcp.ironfang.com/mcp · website · measurements and details
Steady Steel Being measured · 100% over 2 checks Real task being tested · 2/2

Quotes laser-cut steel, stainless and aluminum plate and catalog products. Newmarket, Ontario.

MCP endpoint : https://www.steadysteel.org/mcp · website · measurements and details
Trail Fortress Fitment Reliable (measured) · 100% over 43 checks Does the job (tested) · 43/43

Free, read-only truck and Jeep parts fitment: what fits your vehicle, fit checks, tire sizes.

MCP endpoint : https://trailfortress.com/mcp/ · website · measurements and details
mcp-armor Not measured yet

Security sidecar for MCP servers: 11 read-only control-plane tools for prompt-injection checks.

Package oci : ghcr.io/studiomeyer-io/mcp-armor:0.8.1 · website · measurements and details
Guild Wars 2 Being measured · 0% over 1 checks

Guild Wars 2 MCP.

MCP endpoint : https://gateway.pipeworx.io/guild-wars-2/mcp · website · measurements and details
Comrades of War Archive Reliable (measured) · 100% over 7 checks Does the job (tested) · 7/7

Search a Spanish gaming-community archive and receive exact x402 page purchase URLs.

MCP endpoint : https://comrades-of-war-router.discoglobal.workers.dev/mcp · website · measurements and details
Cloud Armor WAF Patrol MCP Not measured yet

MCP server for Google Cloud Armor WAF log patrol: deny summaries and false-positive checks

Package pypi : cloudarmor-mcp · website · measurements and details
Guild Wars 1 Build Compiler Reliable (measured) · 100% over 42 checks Fails real tasks · 0/42

GW1 build compiler: skill data, template code encode/decode, validation, hero roster. Read-only.

MCP endpoint : https://gw1-mcp.graphmaxer.workers.dev/mcp · website · measurements and details
Dwarf Fortress (DFHack) Not measured yet

MCP server exposing a live Dwarf Fortress fort to an AI agent as curated, semantic tools

Package npm : dfhack-mcp · website · measurements and details
Star Wars MCP Flaky · 96% over 24 checks Does the job (tested) · 23/23

Star Wars API (SWAPI) as a remote MCP server: films, people, planets, species, starships, vehicles.

MCP endpoint : https://swapi.build/mcp · website · measurements and details
findingsteel-steel-sections Reliable (measured) · 100% over 9 checks Does the job (tested) · 6/6

Chinese (GB) standard steel section properties and theoretical weight lookup, search and calculator.

MCP endpoint : https://www.findingsteel.com/mcp/ · website · measurements and details
UkraineBorder — travel guidance and war-risk insurance Flaky · 86% over 7 checks Does the job (tested) · 6/6

Ukraine entry rules, border crossings, customs, safety and war-risk travel insurance. 10 languages.

MCP endpoint : https://www.ukraineborder.com/api/mcp · website · measurements and details
steel-tools Flaky · 75% over 4 checks

Steel takeoff, weight and gauge calculators plus RFQ, RFI, NCR and Bluebeam markup generators.

MCP endpoint : https://www.structupath.ai/api/mcp · website · measurements and details
Clawfight Being measured · 50% over 2 checks

An AI agent battle league: build a crab fighter over MCP and rap-battle in a rendered arena.

MCP endpoint : https://clawfight.ai/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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