Tamper-evident action logging for agents: hash-chained append/verify, one JSONL file, zero deps.
Its author marked it deprecated in the MCP Registry
Free
3 servers across security & testing, ai & agents and analytics & monitoring. The largest is Arcaeon Ledger.
Security & Testing · AI & Agents · Analytics & Monitoring
3
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3 categories
20k
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3 of 3
security-scanned
servers with a scan grade
3 MCP servers, most downloaded first. 3 of 3 are free to start.
MCP stdio proxy that logs the tool-call seam to the ledger without the agent's cooperation
Its author marked it deprecated in the MCP Registry
Free
A record of what an agent did that the agent cannot quietly rewrite, and a way for anyone to check.
Free
Authentication
0 of 3 use OAuth
The rest either hold an API key issued by the publisher or ask for nothing.
Support
Community publisher
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