About Chron
Chron is an MCP server in the Analytics category: audit-grade timestamped logs for every AI conversation.
Install
claude mcp add chron -- npx -y chron-mcpnpx -y chron-mcpThis server has no ConduID identity, so agent calls to it are not receipted. Pin the version you install and review the source before granting it credentials.
Tools (12)
delete_sessionDelete a session and cascade its messages/secrets
Parameters not published.
get_session_historyRetrieve the full timestamped log for a session
Parameters not published.
init_sessionInitialize or resume a session — returns session_id, message count, and recent messages in one call
Parameters not published.
list_sessionsList all sessions ordered by most recently active
Parameters not published.
log_code_changeRecord a file edit with operation and unified diff
Parameters not published.
log_exchangeLog a user/assistant pair atomically (for batch imports)
Parameters not published.
log_messageRecord a single message with the current local datetime
Parameters not published.
rehydrate_responseRestore redacted placeholders in an assistant response back to their original values
Parameters not published.
scan_promptScan text for secrets (API keys, credentials) before logging — returns masked detections
Parameters not published.
start_sessionCreate a new named audit session (legacy — prefer `init_session`)
Parameters not published.
summarize_sessionReturn a timeline summary with latency, mutations, secrets, and prod references
Parameters not published.
verify_sessionVerify the tamper-evident hash chain — detects any post-log edits
Parameters not published.
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