4 tagged notarization, measured the same way as everything else here.
thetangstr/clockchain-developer-tools
MCP server Claude CodeCodexCursor +2
Clockchain®: neutral verified network time for AI agents (gettime). Testnet. Remote server at clockchain-time-rp6evdzqkq-uc.a.run.app.
GitSerge-crypto/aotrust-skills
MCP server Claude CodeCodexCursor +2
Asyncio-native SDK for A&O Trust Layer — Agent Notary Service. Runs locally from the aotrust-protocol Python package.
MCP server Claude CodeCodexCursor +2
On-chain attestation for the AI era: hash any content onto DigiByte via OPRETURN — a permanent, timestamped, tamper-evident proof it existed. Verify anytime. Runs locally from the dgb-attest-mcp npm package. Needs 5 environment variables to run.