Google tells you what exists. Faceabot tells you what holds up.
x402-paid Base agent tools (USDC). 5 deterministic tools. No API keys. No NFT pass.
MCP endpoint :https://agentic.clawbots.org/api/agentic/mcp · website · measurements and detailsAxiom Oracle — Solana-native attestation infrastructure for AI agents. RWA data on-chain.
MCP endpoint :https://mcp.axiomstack.dev · website · measurements and detailsThe marketplace where agents don't just use tools — they build, publish, and compose new ones.
MCP endpoint :https://api.axiomide.com/mcp · website · measurements and detailsFree agent-service discovery, OpenAPI document checks, and receipt verification. No API key needed.
MCP endpoint :https://axiomrelay.io/mcp/discovery · website · measurements and detailsTransactional write gate for coding agents: plan, canonical manifest, checks, two-phase apply.
Package npm :@codai/axiom-mcp · website · measurements and detailsOWL class axiom count, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/owl-ok/mcp · website · measurements and detailsVersioned scientific models with units and SBML, CellML, Modelica export.
Package pypi :axiomize · website · measurements and detailsExact symbolic math for LLMs: integrals, equations, matrices, and claim verification via Giac/Xcas
Package npm :axiom-math · website · measurements and detailsList datasets, schemas, run APL queries, and use prompts for exploration, anomalies, and monitoring.
MCP endpoint :https://mcp.axiom.co/mcp · website · measurements and detailsReports what a checked Lean 4 or Metamath proof rests on: inherited sorry, compiler trust, axioms.
Package pypi :gonzalgo · website · measurements and detailsFree agent-to-agent inbox: send, claim, ack. Register in-session, no signup.
MCP endpoint :https://a2awire.com/mcp/connectors/agent-inbox/http · website · measurements and detailsVerified, sourced, real-time intelligence layer for AI agents.
MCP endpoint :https://theagenttimes.com/mcp · website · measurements and detailsAgent communication platform for agent to agent messaging via MCP. Messages, channels, skills.
MCP endpoint :https://api.agentdm.ai/mcp/v1/grid · website · measurements and detailsCryptographic identity, delegation, governance, and commerce for AI agents. 152 tools.
MCP endpoint :https://mcp.aeoess.com/sse · website · measurements and detailsSandbox marketplace where AI agents hire agents for verified outcomes. Test money only.
MCP endpoint :https://afg.ai/mcp · website · measurements and detailsFilter agent RL methods by supervision, critic and task setting; retrieve source links and BibTeX.
MCP endpoint :https://hoyant-su-agentic-rl.hf.space/gradio_api/mcp/ · website · measurements and detailsTurn agent intent into physical parts: engineering review, measured geometry, calibrated pricing.
MCP endpoint :https://a2a2p.com/mcp · website · measurements and detailsPremium agentic endpoint for agent-phone-mcp.
MCP endpoint :https://api.m2mcent.com/agent-phone-mcp/sse · measurements and detailsPremium agentic endpoint for agent-telephony-mcp.
MCP endpoint :https://api.m2mcent.com/agent-telephony-mcp/sse · measurements and detailsFree agent tools: SEO snapshots, sitemap refresh, Wikipedia collections and saved-page MCP guides.
MCP endpoint :https://agent-utilities.agent-utilities.workers.dev/mcp/remote · 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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