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OpenTelemetry GenAI semantic conventions

OpenTelemetry attribute names and signal shapes for tracing LLM calls, agents, tool execution and MCP operations.

Reference by OpenTelemetry GenAI SIG

IndexedApache-2.0★ 481
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About

Defines standard span, metric and event attributes (gen_ai.*, mcp.*) so model and agent telemetry looks the same across vendors and tools.

Use cases: monitoring-observability

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About the protocol

Current version
Status Development (not yet stable)github.com
Maintainer
OpenTelemetry GenAI SIGgithub.com

Listings that use it

36 visible listings declare OpenTelemetry GenAI semantic conventions: 27 observability & evals, 8 agent infrastructure, 1 identity, auth & payments.

Signals

Stars
481
Forks
131
Open issues
151
Last commit
Oct 21, 2026 (9 days ago)

From GitHub (fetched Oct 24, 2026).

Details

Version
Status Development (not yet stable)
License
Apache-2.0
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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Cite this page

OpenTelemetry GenAI semantic conventions. Agent Mart. https://agentmart.dev/reference/otel-genai-semantic-conventions (last updated 2026-10-24)