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App Graphs

The App Graph page in the Catalyst console shows the live call topology across every App ID in your project — app-to-app, agent-to-agent, app-to-tool, and every call into backing infrastructure (components and managed services).

What the graph shows​

Each node represents an App ID. Directed edges represent calls between them, annotated with call counts and error rates from the current time window. Use the graph to:

  • Trace a request end-to-end across multiple services or agents.
  • Identify high-latency or high-error edges.
  • Discover unexpected call paths or missing connections.
  • Correlate topology with metric spikes visible on the Metrics page.

Select any node to see its inbound and outbound call breakdown, error rate, and a link to the corresponding API Logs filtered to that App ID.

For observability configuration (tracing backends, sampling rates), see Observability. For the concept-level explanation of the app graph, see Components.

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