M8ven's public index of MCPs we've independently looked at. M8ven Verified is our verification program: every listing carries one verdict, backed by how we verified it and who stands behind it.
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CryptoAgentMail
by lumorabuild
Public skill package and hosted MCP email infrastructure for AI agents with inbox creation, sending, memory, recovery, and Solana USDC credit payments.
lumorabuild/crypto-agent-mail-skills
A2A Replay Receipt
by clauxel
A hosted remote MCP for A2A failure replay, providing tools to replay failures, classify agent errors, suggest retry plans, issue receipts, and export failure logs.
clauxel/a2a-replay-receipt-mcp
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by clauxel
A paid, hosted MCP server that acts as a witness layer for AI agent tool calls, providing receipt creation, approval evidence, argument redaction, result summaries, and audit exports.
clauxel/tool-call-witness-mcp