Last9 Observability
Summary
Last9 MCP Server enables AI agents to query exception and service graph data from Last9's observability platform. The implementation provides two tools: get_exceptions for retrieving server-side exceptions with details like type, message, and stack trace; and get_service_graph for analyzing upstream and downstream service dependencies with throughput metrics. Built with Go and featuring configurable rate limiting, the server integrates seamlessly with Claude desktop app and Cursor, making it valuable for developers who need AI-assisted troubleshooting and service dependency analysis within their Last9 monitoring environment.
Available Actions(5)
get_exceptions
Retrieves server-side exceptions over a specified time range. Parameters: limit (integer, optional), lookback_minutes (integer, recommended), start_time_iso (string, optional), end_time_iso (string, optional), span_name (string, optional)
get_service_graph
Gets the upstream and downstream services for a given span name, along with the throughput for each service. Parameters: span_name (string, required), lookback_minutes (integer, recommended), start_time_iso (string, optional)
get_logs
Gets logs filtered by optional service name and/or severity level within a specified time range. Parameters: service (string, optional), severity (string, optional), lookback_minutes (integer, recommended), start_time_iso (string, optional), end_time_iso (string, optional), limit (integer, optional)
get_drop_rules
Gets drop rules for logs, which determine what logs get filtered out from reaching Last9.
add_drop_rule
Adds a new drop rule to filter out specific logs at Last9 Control Plane. Parameters: name (string, required), filters (array, required)
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