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• coldstar-signer-mcp

  ExpertVagabond

  A

  license

  -Not graded

  quality

  B

  maintenance

  Enables AI agents to safely sign and send Solana transactions under a policy, with automatic signing for in-policy actions, air-gapped human approval for escalations, and rejection of disallowed transactions.

  Updated 16 days ago (2026-09-13 01:32 UTC)

  15 npm

  MIT

• wwall

  axdvdv

  F

  license

  -Not graded

  quality

  C

  maintenance

  Enables AI agents to propose wallet payments while a local, human-authored policy decides whether each transaction is approved, requires human confirmation, or is refused, and records every decision in a signed, append-only ledger.

  Updated a month ago (2026-08-22 23:48 UTC)

  -

• Openterms-mcp

  jstibal

  A

  license

  A

  quality

  C

  maintenance

  Cryptographic proof of consent for AI agents. Sign before you act. Policy engine enforces spending caps, action whitelists, and escalation rules. Independently verifiable by anyone.

  Updated 5 months ago (2026-04-20 17:42 UTC)

  10

  2

  Apache 2.0

• mneme-ai

  patsa2561-art

  A

  license

  -Not graded

  quality

  B

  maintenance

  Enables AI agents to operate through a local, signed boundary that blocks prompt injection and secret leakage, verifies outputs, preserves cross-session memory, and provides offline-verifiable receipts. It also exposes 900+ MCP tools for discoverable agent actions.

  Updated 3 months ago (2026-07-01 02:16 UTC)

  7

  MIT

• chain-signer

  Kevthetech143

  A

  license

  A

  quality

  D

  maintenance

  Non-custodial agent wallet with a transaction preflight that decodes an unsigned EVM tx and flags drain patterns (unlimited/large approval, approve-all, token & NFT transferFrom, proxy upgrade, on-chain permit, approvals hidden in multicall) before signing.

  Updated 3 months ago (2026-07-06 05:00 UTC)

  9

  1

  MIT

• Guardian MCP

  izmiradami

  A

  license

  -Not graded

  quality

  C

  maintenance

  Security layer for AI agents that evaluates transaction intents and returns verdicts (ALLOW/WARN/DENY) using deterministic rules, on-chain checks, and simulation.

  Updated 3 months ago (2026-07-13 21:17 UTC)

  9 npm

  MIT