set gen_ai.caller.agent.type #187
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Pull request overview
This pull request adds support for tracking the caller agent type in OpenTelemetry tracing by introducing a new attribute gen_ai.caller.agent.type. This enhancement allows for better observability in agent-to-agent (A2A) communication scenarios by capturing the type of the calling agent.
Changes:
- Added new OpenTelemetry constant
GEN_AI_CALLER_AGENT_TYPE_KEYfor thegen_ai.caller.agent.typeattribute - Integrated the new attribute into
InvokeAgentScopeto set the caller agent type during agent invocation tracing - Included the new attribute in the
INVOKE_AGENT_ATTRIBUTESarray to ensure it's properly processed
Reviewed changes
Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.
| File | Description |
|---|---|
| packages/agents-a365-observability/src/tracing/constants.ts | Added constant definition for GEN_AI_CALLER_AGENT_TYPE_KEY alongside other caller agent dimension constants |
| packages/agents-a365-observability/src/tracing/scopes/InvokeAgentScope.ts | Added call to set the caller agent type attribute from callerAgentDetails.agentType |
| packages/agents-a365-observability/src/tracing/processors/util.ts | Added the new constant to the INVOKE_AGENT_ATTRIBUTES array for telemetry processing |
nikhilNava
approved these changes
Feb 5, 2026
juliomenendez
approved these changes
Feb 5, 2026
fpfp100
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Feb 7, 2026
* feat: Add x-ms-agentid header (#183) Co-authored-by: Johan Broberg <johanb@microsoft.com> * set gen_ai.caller.agent.type (#187) Co-authored-by: jsl517 <pefan@microsoft.com> * fix: update @isaacs/brace-expansion to version 5.0.1 (#181) Co-authored-by: Johan Broberg <johanb@microsoft.com> * feat: Add configuration provider interface (#184) * Add PRD for configuration provider for Agent 365 SDK * Change to dynamic resolution for configuration settings * feat: Add configuration provider interface * Update lock file * fix: add backward-compatible overloads to GetAgenticUserToken The scopes parameter was added as required in main branch, which is a breaking change for existing consumers. This adds overloads to maintain backward compatibility: - 3-param signature (deprecated): Uses default MCP platform scope - 4-param signature: Explicit scopes for better control Existing code calling GetAgenticUserToken(auth, handler, ctx) will continue to work, but callers are encouraged to migrate to the explicit scopes overload for clarity. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * docs: clarify multi-tenant usage patterns for DefaultConfigurationProvider Added detailed JSDoc explaining: - The provider creates a single cached configuration instance - Default module-level providers are singletons - Two approaches for multi-tenant scenarios: 1. Dynamic override functions reading from async context (recommended) 2. Per-tenant provider instances when needed This clarifies that while the singleton pattern is used, multi-tenancy is still supported through function-based overrides that resolve at runtime. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * docs: clarify AgenticTokenCache singleton usage and export class - Added documentation to AgenticTokenCacheInstance explaining it uses default configuration and when to create custom instances - Exported AgenticTokenCache class so consumers can create instances with custom IConfigurationProvider for multi-tenant scenarios - Added class-level documentation with usage example Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * add utility methods for parsing environment variables in RuntimeConfiguration * add setLogger and resetLogger tests * docs: enhance JSDoc comments for RuntimeConfigurationOptions * docs: update deprecation notices and provide usage examples for environment utility functions * refactor: update McpToolRegistrationService to use ClaudeToolingConfiguration * refactor: update McpToolRegistrationService to use specific tooling configurations for LangChain and OpenAI * refactor: ensure undefined checks for tooling overrides in ToolingConfiguration * refactor: enhance ObservabilityConfiguration tests for environment variable handling * refactor: streamline McpToolRegistrationService by removing redundant utility imports and updating server listing logic * Address review feedback and discrepancies between documentation and code. * Address additional feedback; add missing tests, improve documentation * fix: add guardrails comment for PerRequestSpanProcessor default constants Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> --------- Co-authored-by: Johan Broberg <johanb@microsoft.com> Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com> * Initial plan * Fix test: Add event method to custom logger mocks --------- Co-authored-by: Johan Broberg <johan@pontemonti.net> Co-authored-by: Johan Broberg <johanb@microsoft.com> Co-authored-by: PengF <126631706+fpfp100@users.noreply.github.com> Co-authored-by: jsl517 <pefan@microsoft.com> Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com> Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com>
fpfp100
added a commit
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Feb 9, 2026
* clean up * support event logs and add events for export. * Fix test failure after adding event method to ILogger interface (#186) * Initial plan * Fix test failure by adding event method to ILogger mocks - Updated all mock ILogger objects in custom-logger.test.ts to include the event method - Updated setLogger validation to check for event method - Updated error message to include event method in validation Co-authored-by: fpfp100 <126631706+fpfp100@users.noreply.github.com> --------- Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> Co-authored-by: fpfp100 <126631706+fpfp100@users.noreply.github.com> * comments * comments * comments * comment * doc update * Resolve merge conflicts with main branch (#188) * feat: Add x-ms-agentid header (#183) Co-authored-by: Johan Broberg <johanb@microsoft.com> * set gen_ai.caller.agent.type (#187) Co-authored-by: jsl517 <pefan@microsoft.com> * fix: update @isaacs/brace-expansion to version 5.0.1 (#181) Co-authored-by: Johan Broberg <johanb@microsoft.com> * feat: Add configuration provider interface (#184) * Add PRD for configuration provider for Agent 365 SDK * Change to dynamic resolution for configuration settings * feat: Add configuration provider interface * Update lock file * fix: add backward-compatible overloads to GetAgenticUserToken The scopes parameter was added as required in main branch, which is a breaking change for existing consumers. This adds overloads to maintain backward compatibility: - 3-param signature (deprecated): Uses default MCP platform scope - 4-param signature: Explicit scopes for better control Existing code calling GetAgenticUserToken(auth, handler, ctx) will continue to work, but callers are encouraged to migrate to the explicit scopes overload for clarity. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * docs: clarify multi-tenant usage patterns for DefaultConfigurationProvider Added detailed JSDoc explaining: - The provider creates a single cached configuration instance - Default module-level providers are singletons - Two approaches for multi-tenant scenarios: 1. Dynamic override functions reading from async context (recommended) 2. Per-tenant provider instances when needed This clarifies that while the singleton pattern is used, multi-tenancy is still supported through function-based overrides that resolve at runtime. Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * docs: clarify AgenticTokenCache singleton usage and export class - Added documentation to AgenticTokenCacheInstance explaining it uses default configuration and when to create custom instances - Exported AgenticTokenCache class so consumers can create instances with custom IConfigurationProvider for multi-tenant scenarios - Added class-level documentation with usage example Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com> * add utility methods for parsing environment variables in RuntimeConfiguration * add setLogger and resetLogger tests * docs: enhance JSDoc comments for RuntimeConfigurationOptions * docs: update deprecation notices and provide usage examples for environment utility functions * refactor: update McpToolRegistrationService to use ClaudeToolingConfiguration * refactor: update McpToolRegistrationService to use specific tooling configurations for LangChain and OpenAI * refactor: ensure undefined checks for tooling overrides in ToolingConfiguration * refactor: enhance ObservabilityConfiguration tests for environment variable handling * refactor: streamline McpToolRegistrationService by removing redundant utility imports and updating server listing logic * Address review feedback and discrepancies between documentation and code. * Address additional feedback; add missing tests, improve documentation * fix: add guardrails comment for PerRequestSpanProcessor default constants Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> --------- Co-authored-by: Johan Broberg <johanb@microsoft.com> Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com> * Initial plan * Fix test: Add event method to custom logger mocks --------- Co-authored-by: Johan Broberg <johan@pontemonti.net> Co-authored-by: Johan Broberg <johanb@microsoft.com> Co-authored-by: PengF <126631706+fpfp100@users.noreply.github.com> Co-authored-by: jsl517 <pefan@microsoft.com> Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com> Co-authored-by: copilot-swe-agent[bot] <198982749+Copilot@users.noreply.github.com> --------- Co-authored-by: jsl517 <pefan@microsoft.com> Co-authored-by: Copilot <198982749+Copilot@users.noreply.github.com> Co-authored-by: Johan Broberg <johan@pontemonti.net> Co-authored-by: Johan Broberg <johanb@microsoft.com> Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
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set gen_ai.caller.agent.type