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Search USGS and EMSC seismic data — real-time feeds, event queries, and earthquake counts via MCP. STDIO or Streamable HTTP.

Node.js·Apache-2.0·★ 1·Few stars·No key

The only API library your AI agent will ever need: 157 providers, 548 methods, one interface. Free and keyless-friendly.

Node.js·MIT·★ 1·Few stars·No key

MCP server for Engedi — 93 REST endpoints covering finance, travel, weather, news, commerce, knowledge, content, SEO, AI analysis, and agent utilities. 27 free + 66 paid. USDC micropayments via x402.

Node.js·MIT·Few stars·No key

Swiss open data MCP server — transport, weather, geodata, companies, etc,. Zero API keys.

Node.js·MIT·★ 23·No key

agent402.tools: 500+ pay-per-call tools, metered models and finished reports for AI agents, paid per call in USDC over x402 and MPP or by card. Open source, self-hostable, MCP-native. The applied laye

Node.js·AGPL-3.0·★ 41·No key

MCP server for PayPerByte — pay-per-call USDC data feeds for AI agents (x402 on Base; EIP-712 attestations). No API keys, no token.

Node.js·MIT·★ 1·Few stars·No key

Vector search that ships as a file. Compile a corpus into one self-contained, hash-verified .pikelet — search it anywhere, or hand it to an LLM agent over MCP.

Node.js·Apache-2.0·★ 2·Few stars·No key

MCP server for TensorFeed.ai - real-time AI news, model pricing, status, MCP registry growth, latency probes, and 14 premium endpoints (routing, cost projection, news search, webhook watches, etc) pai

Node.js·MIT·★ 1·Few stars·No key

Sources in, feeds out. An open platform for ever-growing databases of real-time public data: web, RSS, API, CLI and MCP on one Postgres.

Node.js·MIT·★ 1·Few stars·No key