> ## Documentation Index
> Fetch the complete documentation index at: https://docs.coreweave.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Agents

> **[What is the difference between @weave.op and weave.start\_session?](https://docs.coreweave.com/support/weave/articles/what-is-the-difference-between-weave-op-and-weave-sdk-for-agents)**
>
> @weave.op traces individual Python functions and surfaces results in the Traces tab. Weave's agentic tracing (weave.star ...

> **[Which Weave API should I use to trace my agent?](https://docs.coreweave.com/support/weave/articles/which-weave-api-should-i-use-for-agents)**
>
> It depends on what you're building: If you're running an off-the-shelf agent framework (such as Claude Code), install th ...