Arcaeon Ledger
Tamper-evident action logging for agents: hash-chained append/verify, one JSONL file, zero deps.
Install
PyPIstdio
uvx arcaeon-ledger Client config (Claude Desktop, Cursor, Windsurf and most MCP clients)
{
"mcpServers": {
"io-arcaeon-ledger": {
"command": "uvx",
"args": [
"arcaeon-ledger"
]
}
}
}Source: official MCP Registry record · registry name io.arcaeon/ledger · published 2026-08-17 · updated 2026-08-17. Not an endorsement; review the code before connecting it to anything sensitive.