MCP Streamable HTTP endpoint: POST /mcp on this host.
Tools: get_latest_diff, lookup_company, verify_signed_record, get_snapshot_info.
initialize and tools/list are open for registry/health checks; tool calls require an X-API-Key header. Planned pricing: $0.01 per tool call.
Snapshot: 12 diff records, 20 lookup records, as of 2026-11-06.