lookspan-crewai — CrewAI observability, local-first
Auto-instruments CrewAI runs and streams every agent step, task, tool call, and
LLM invocation to your local Lookspan dashboard —
a process on 127.0.0.1, not a SaaS. No account, no API key, nothing uploaded.
A crew that "just hangs" or burns tokens somewhere is hard to read from logs. Here you get the kickoff as a trace, each agent and task as a span, and the tool and LLM calls nested underneath with their real durations.
Install
pip install lookspan-crewai
Quick start
from crewai import Crew
from lookspan import LookspanClient
from lookspan_crewai import attach_lookspan
client = LookspanClient(endpoint="http://127.0.0.1:3100/api/ingest")
attach_lookspan(client, agent_id="research-crew")
crew = Crew(agents=[...], tasks=[...])
result = crew.kickoff()
client.flush()
attach_lookspan registers listeners on CrewAI's global event bus.
Prompts and completions are not recorded unless you pass capture_content=True
to LookspanClient.
Links
- Product page — https://fervon.dev/lookspan/
- Documentation — https://jonimartin27.github.io/lookspan/
- Core SDK —
lookspan· LangChain/LangGraph —lookspan-langgraph - Source and issues — https://github.com/JoniMartin27/lookspan
MIT licensed. Part of Fervon.
1 maintainer
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