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AgentAudit MCP

Your agent now has an immutable, tamper-evident log of every action it takes — each event cryptographically linked to the previous one so any modification breaks the chain and is immediately detectable.

What your agent can do

• Log any of 16 event types (payments, tasks, disputes, identity checks, messages) with a SHA-256 hash that includes the previous event's hash
• Retrieve the full history of any agent by ID — every action, in order, with timestamps
• Search across the audit trail by agent, event type, severity level, or date range
• Verify chain integrity between any two events and get a per-event pass/fail breakdown showing exactly which link was tampered
• Track five severity levels — info, notice, warning, error, critical — for compliance triage
• Get statistics across the entire audit trail: events by type, by severity, and most active agents

Installation

Requires: Python 3.10+, mcp and fastmcp packages.

pip install mcp fastmcp

Claude Desktop — add to ~/Library/Application Support/Claude/claude_desktop_config.json (macOS) or %APPDATA%\Claude\claude_desktop_config.json (Windows):

{
  "mcpServers": {
    "agent-audit": {
      "command": "python",
      "args": ["/absolute/path/to/agent-audit-mcp/server.py"]
    }
  }
}

Cursor — add to .cursor/mcp.json in your project root:

{
  "mcpServers": {
    "agent-audit": {
      "command": "python",
      "args": ["/absolute/path/to/agent-audit-mcp/server.py"]
    }
  }
}

Data is stored locally at ~/.agentaudit/chain.json. No data leaves your machine.

Tool Reference

| Tool | Description | Key params | |------|-------------|------------| | audit_log | Log an event and append it to the hash chain | event_type (one of 16), agent_id, severity, details_json | | audit_get_event | Retrieve full event details by ID | event_id | | audit_search | Filter events by agent, type, severity, or date range | agent_id, event_type, severity, from_date, to_date, max_results | | audit_get_agent_history | All events for one agent, newest first | agent_id, max_events | | audit_verify_chain | Check SHA-256 chain integrity between two events; returns per-event PASS/FAIL | from_event_id, to_event_id | | audit_stats | Summary: total events, breakdown by type/severity, top 5 active agents | — |

Supported event types: task_created, task_assigned, task_completed, task_failed, payment_sent, payment_received, payment_refunded, dispute_raised, dispute_resolved, identity_verified, capability_used, agent_registered, agent_rated, agent_offline, message_sent, message_received

Security

Audit data is written atomically (write-to-temp, then os.replace) to prevent partial writes from corrupting the chain. The hash covers every field including the previous event's hash — you cannot insert, delete, or modify any event without breaking all subsequent hashes. audit_verify_chain recomputes each hash from scratch rather than trusting stored values.

All data is stored locally. No network requests are made by this server.

Pricing

| Plan | Price | Included | |------|-------|----------| | Pro | $19/month | Unlimited audit events, full chain verification |

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License

Proprietary — see subscription terms. Source: github.com/Rumblingb/agent-audit-mcp