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The CrewAI integration uses OpenTelemetry under the hood, so it works with any CrewAI version that emits OTel spans (most current versions do).

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Install

pip install decimalai
CrewAI itself is not bundled — install it separately if you don’t already have it.

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Use

import decimalai
decimalai.init(api_key="dai_sk_...", crewai=True)

# Crew tasks and agent interactions are traced
crew.kickoff()

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What gets captured

  • Each task in the crew as a span
  • Agent-to-agent conversations
  • Tool calls with inputs and outputs
  • LLM generations underneath each agent’s reasoning step

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Caveats

  • Manifest detection captures tool names only — schemas aren’t always exposed through CrewAI’s API. Use register_manifest() for schema-aware tracking.
  • Multi-crew setups: each crew is its own DecimalAI “agent” by default. Pass agent_name= to init() if you want them unified.

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What’s next

Multi-agent guide

Modeling crew-of-crews patterns.

Manifests

Register a manifest explicitly to capture tool schemas.