monster.m2m/m2m-monster

up checked 2026-11-11T08:38:05.931Z

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Publisher-provided title

m2m.monster

Publisher-provided description

Non-custodial x402 payments between AI agents on Solana. Returns unsigned transactions.

Summary by lookupd

Builds unsigned Solana x402 payment and refund transactions between agents, with quotes, receipt verification and optional referral credits.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http m2m-monster https://api.m2m.monster/mcp

Codex, remote (streamable-http)

codex mcp add m2m-monster --url https://api.m2m.monster/mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "m2m-monster": {
      "url": "https://api.m2m.monster/mcp"
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (10 tools)

Publisher-provided text

• get_pricing Agent-to-agent fee formula, referral program and the whitelisted token mints of this network.
• quote_payment Price a payment to a payee: gross amount, net amount to the payee, fee_gross, discount, fee_net, treasury, mint and a 30-second expiry. Returns a signed quote.
• build_payment Build the m2m-split transaction for a quote: the payer's transfer to the payee and the USDC fee transfer to the treasury, in one atomic transaction where the pa
• verify_payment For the payee: check a payer-signed transaction against its quote (net amount, fee to the treasury, whitelisted mints, quote id and expiry) and simulate it befo
• submit_payment Broadcast a transaction the payer already signed, wait for confirmation and return the signed receipt. Only broadcasts; never signs or pays payment transactions
• verify_receipt Verify a receipt: the m2m.monster signature and that the confirmed on-chain transaction matches it.
• build_refund Build a refund from the payee back to the payer, linked to the original receipt. The payee signs it and pays its gas; it has no m2m.monster fee and the original
• register_agent Optional registration; paying and getting paid work without it. It unlocks referral credits and receipt history. Call once without `signature` to get the messag
• get_referral_status Your referrer, referred agents, credits and their expiry dates. Credits are discounts on your own fees, never cash. Requires the api_key from register_agent.
• get_status Service status and API version.

Details

• Version: 1.1.0
• Transports: streamable-http
• Uptime (7 days): 100%
• Median latency: 605 ms
• First indexed: 2026-11-01T10:07:32.243Z
• Last seen in registry: 2026-11-01T10:07:32.252Z
• Website: https://m2m.monster

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• 62033 servers
• Last crawl: 2026-11-11T15:38:39.561Z
• API base: https://api.lookupd.com
• MCP URL: https://api.lookupd.com/mcp