Google tells you what exists. Faceabot tells you what holds up.
FX, funding rates, token cross-rates, weather joins, Solana dossiers, x402 audits. USDC per call.
MCP endpoint :https://www.web3id.xyz/mcp/ · measurements and detailsOntology-based MCP server for database schema analysis and RDF/OWL ontology generation
Package pypi :orionbelt-analytics · website · measurements and detailsWeb, academic and code search with graph RAG, data lineage, ontology and cross-project schema links.
Package npm :google-surf-mcp · website · measurements and detailsBounded data, document, web-quality, and operations services purchased with USDC through x402.
MCP endpoint :https://zerostart-agent.jack-labs.workers.dev/mcp · website · measurements and detailsW3C MCP — web-standards lookup over w3c/browser-specs (GitHub, CF-reachable).
MCP endpoint :https://gateway.pipeworx.io/w3c/mcp · website · measurements and detailsPaid x402 tools for merchant intelligence, Base payment readiness, and verifiable web evidence.
MCP endpoint :https://anywaypossible.com/api/mcp · website · measurements and details140+ pay-per-call agent tools: verifiable strategy track records, token verdicts, web, crypto data.
Package npm :manylives-paid-tools · website · measurements and detailsMCP server exposing SPARQL query functionalities for LLMs
Package pypi :mcp-sparql · website · measurements and details8 CIPHER tools — Solana scan, breach check, Jito, FRED, Drift, repo health, more. x402-paid on Base.
MCP endpoint :https://cipher-x402-mcp.vercel.app/mcp · website · measurements and detailsx402-paid MCP tools: utils, audit screens, corpus search, inference. USDC Base+Solana.
MCP endpoint :https://apex-edge-coral.vercel.app/mcp · website · measurements and detailsCurated operational knowledge for AI agents. 2 tools. Paid.
MCP endpoint :https://43-134-36-21.duckdns.org/mcp/gbrain · measurements and detailsTeardrop MCP gateway: paid tools for autonomous agents (x402, credits).
MCP endpoint :https://api.teardrop.dev/tools/mcp · website · measurements and detailsDBpedia MCP — SPARQL + Lookup over Wikipedia-derived structured data
MCP endpoint :https://gateway.pipeworx.io/dbpedia/mcp · website · measurements and detailsPay-per-call GLM 5.3 MCP tool via x402 on Base. Reasoning, tool-calls, OpenAI-compatible.
MCP endpoint :https://cursor.tail45da3a.ts.net/mcp · measurements and detailsPaid cron for AI agents: we call your https URL on schedule, signed. No account, paid with x402.
MCP endpoint :https://402cron.com/mcp · website · measurements and detailsAI-operated. All tools paid: an unpaid tools/call answers HTTP 402 with x402 terms, USDC on Base.
MCP endpoint :https://omnia-sell.rjhsignaltech.workers.dev/mcp-pro · website · measurements and detailsMCP server for LINDAS — the Swiss administration's linked-data SPARQL knowledge graph (cube.link)
Package pypi :lindas-mcp · website · measurements and detailsMetered MCP tools: free discovery over MCP; per-call execution settled in USDC via x402 v2.
MCP endpoint :https://paid-mcp-metering-clsiojdd7-benlafreniere6-3913s-projects.vercel.app/mcp · website · measurements and detailsThe vetted directory of paid APIs and MCP servers for AI agents.
MCP endpoint :https://toolvet.app/mcp · website · measurements and detailsWikidata SPARQL MCP — Wikidata Query Service
MCP endpoint :https://gateway.pipeworx.io/wikidata-sparql/mcp · 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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