"ACM" matching MCP servers:

Enables AI agents to run pre-flight checks for GitHub bounty reality, repository contribution readiness, and Base payment surface readiness through hosted x402 endpoints.

Multi-chain MCP server enabling AI agents to interact with Arbitrum — ERC-8004 identity registration, GMX ecosystem integration, cross-chain reputation via RepuLayer, and 37 governance tools across 6 chains.

A trust primitive that anchors verifiable proofs of existence and authorship on the MultiversX blockchain, with agent-native support for MCP, x402, and other protocols.

Settlement rails for AI labor — USDC escrow on Base Mainnet, 1% protocol fee, designed for autonomous agents. 10 MCP tools covering the full escrow lifecycle: * Quoting calldata for create-intent, submit-proof, release-funds (broadcast gated) * Single-call x402 payment binding (replaces the 5-step x402 dance with one HMAC-signed POST) * Server-side reputation from on-chain event scan * Li