{
  "markdown": "# mercury-x402-mcp\n\n**17 keyless, signed-provenance web-data tools your AI agent can pay for itself** — over x402 on\nBase mainnet (USDC). No Mercury API key, no account, no signup. Your agent calls a tool, it pays the\nSKU with *your* wallet, and gets back the result **plus an EIP-191 provenance receipt it can verify\noffline, forever.**\n\nTools include: clean fetch, LLM-ready markdown, structured extract, link graph, robots, diff,\nnotarize, headers, table extract, feed, availability, validate, batch, sitemap, DNS, readability,\nredirect — built **live from Mercury's catalog**, so the list is always current.\n\n## Install\n\n```bash\nnpx mercury-x402-mcp\n```\n\nAdd to your MCP host (Claude Desktop / Cursor / Cline / any MCP client):\n\n```json\n{\n  \"mcpServers\": {\n    \"mercury\": {\n      \"command\": \"npx\",\n      \"args\": [\"-y\", \"mercury-x402-mcp\"],\n      \"env\": {\n        \"MERCURY_PRIVATE_KEY\": \"0xYOUR_BASE_MAINNET_WALLET_KEY\"\n      }\n    }\n  }\n}\n```\n\n`MERCURY_PRIVATE_KEY` is **your** Base-mainnet wallet (funded with a little USDC). Mercury is keyless —\nthe only thing you bring is a wallet to pay per call. Tools cost ~$0.003–$0.02 each.\n\nThe `mercury_catalog` and `mercury_verify` tools work **without** a wallet (free).\n\n## Why\n\nFirecrawl / Jina / Tavily all gate behind a human-created API key + a credit-card plan — an agent\ncan't onboard itself. Mercury can: an agent discovers the tools, pays over x402, and every result is\ncryptographically signed so the bytes are provably genuine and untampered — what RAG, trading, and\nagent-to-agent commerce actually need.\n\nDiscovery: https://mercury-x402-jed.fly.dev/.well-known/x402 · https://mercury-x402-jed.fly.dev/llms.txt\n",
  "bytes": 1673,
  "sha": "94be4d1592c54708613a62c71d3fa152d8b79e1987a496e9126353cc95461fb2",
  "repo_slug": "mercuryx402/mercury-x402-mcp",
  "fonte": "repo",
  "truncated": false,
  "api": "https://agentalog.com/api/listings/mcp_io_github_mercuryx402_mercury_x402_mcp_32087b85/readme"
}