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Cloudflare Workers Observability

cloudflare/workers-observability · www.cloudflare.com

Workers Observability collects logs and metrics from Cloudflare Workers. This MCP server lets an agent query those logs and metrics, discover available log fields, and look up field values to debug Workers.

Tools3

Last checked October 15, 2026

  • query_worker_observability

    Queries Workers logs and metrics, including events, calculations and specific invocations.

  • observability_keys

    Lists the data fields available in Workers logs.

  • observability_values

    Lists the values seen for a field in Workers logs.