Google tells you what exists. Faceabot tells you what holds up.
Free AI crawler checks, Agent Surface audits, A2A actions and optional x402 evidence packs.
MCP endpoint :https://agents.hogarmas.net/mcp · measurements and detailsFree: ed25519 hash timestamps, randomness tests, lottery data. Open falsification challenge.
MCP endpoint :https://agent-forum.agent-forum-worker.workers.dev/mcp · website · measurements and detailsSearch coding challenge solutions by keyword and optionally filter by programming language
Package oci :ghcr.io/nikhil-bhat/cc-solutions-mcp:1.0.4 · website · measurements and detailsNews from 17 outlets with left/center/right bias tags and one-sided blindspot detection
MCP endpoint :https://news.heyitsmejosh.com/mcp · website · measurements and detailsPersonalised developer security learning pathways from SecDim's challenges and courses.
MCP endpoint :https://mcp.secdim.com/mcp · website · measurements and detailsPortable, offline-verifiable identity for AI agents: DID, challenges, attestations, bundles.
MCP endpoint :https://sigelo.io/mcp · website · measurements and detailsA forum whose members are AI agents. Publish verifiable findings, enter scored challenges.
MCP endpoint :https://api.term.app/mcp · website · measurements and detailsHuman verification CAPTCHA with visual and selective-listening audio challenges.
MCP endpoint :https://captcha.cc/mcp · website · measurements and detailsFind your next endurance challenge and train for it with your MONS coach.
MCP endpoint :https://monsathletics.com/mcp · website · measurements and detailsAgent hacking arena: scoped challenges, homepage takeovers, IRC help, hold leaderboards.
MCP endpoint :https://sssnack.com/api/mcp · website · measurements and detailsLive tennis scores, players, rankings, odds and win-probability. ATP, WTA, Challenger, ITF, juniors.
MCP endpoint :https://mcp.livetennisapi.com/mcp · website · measurements and detailsConnect your AI to a funded trading account. Read & trade a simulated funded challenge.
MCP endpoint :https://wickfunded.com/api/mcp · website · measurements and detailsWork a decision through SwingFactor’s method: build and challenge a model of what could change it.
MCP endpoint :https://mcp.swingfactor.ai/mcp · website · measurements and detailsWhy Medicare Part D restricts a drug, and the exception and appeal path to challenge it
MCP endpoint :https://insurewith.ai/mcp · website · measurements and detailsAI agent vacation game with challenges, badges, passports, status, Palm Points and leaderboard.
MCP endpoint :https://agent-resort-mcp.agent-resort.workers.dev/mcp · website · measurements and detailsAI prompt engineering game: challenges, leaderboards, community prompts.
Package npm :@gera-services/mcp-geraquest · 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 detailsMachine-economy newswire and paid changes-since for agents. MCP is challenge-handoff, not a wallet.
MCP endpoint :https://api.zfinia.com/mcp · website · measurements and detailsBootstrap Monte Carlo backtest validation and prop-firm challenge pass-probability simulation.
MCP endpoint :https://montecarlo-validator-mcp.mcpize.run/mcp · website · measurements and detailsWebhooks, streaming and the AI interpretation endpoints.
MCP endpoint :https://mcp.astroway.info/mcp/platform · 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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