MCP servers and skills: search, filter by where they run, and compare.
Open-source semantic layer with an ontology at its core: governed metrics and business rules for AI agents (MCP), the same number on eight databases, with evidence on every answer.
PythonApache-2.0Few starsNeeds a key
MCP server + Claude Desktop Extension for AddSign — agents send documents for e-signature, track status, and download signed PDFs
Node.jsMITFew starsNeeds a key
Privacy-first context API for AI agents and apps. Encrypt sensitive facts, share verifiable yes/no answers without revealing the source, and search across encrypted data through a single endpoint. Ope
Node.jsMITFew starsNeeds a key
Cryptographic governance receipts for AI agents — MCP server + offline verifier
Node.jsMITFew starsNeeds a key
MCP server giving AI agents direct, on-chain access to DeFi data — Aave v3 positions, Chainlink prices, Uniswap v3 swap simulation. No centralized API.
PythonMIT★ 1Few starsNeeds a key
Blockchain-anchored e-signatures: send envelopes, manage templates, verify anchors on Solana.
Node.jsMIT★ 1Few starsNeeds a key
Read-only pre-sign evidence — a "pre-sign journal" — for onchain agents. Free check_swap MCP server + REST API for Claude, Codex, Cursor & any MCP-capable agent.
Node.jsMITFew starsNeeds a key
Who stands behind it
