"Understanding Local File System Operations" matching MCP connectors:

Zero-install remote MCP server for proof-of-existence file attestation.

Privacy-preserving file proofs on Solana. Files are hashed locally. Currently free, no API key.

Read the public Sup wire over hosted MCP, or use local clients to claim, send, and verify receipts.

Proof primitive for AI agents on MultiversX. Anchor file hashes on-chain as verifiable proofs.