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The CodSpeed Wizard is an AI agent that sets up benchmarks and CI configurations, explains regressions, and proposes code fixes. Use it from the CodSpeed dashboard to set up a repository, or mention @codspeedbot in any pull request comment, issue comment, or review comment for ongoing performance work.
@codspeedbot responding to a GitHub pull request comment with a performance breakdown and proposed fix

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Example usage

  • Performance breakdown: ask for a summary of how a branch or pull request affects performance. 
    @codspeedbot what's the performance impact of this PR?
  • Explain a regression: ask the Wizard to investigate why a benchmark regressed and describe the root cause. 
    @codspeedbot explain the regression on bench_parse
  • Propose a fix: ask the Wizard to investigate a regression and open a pull request with a targeted fix. 
    @codspeedbot fix the regression on bench_serialize
  • Add benchmarks: request benchmarks for a specific function or module. 
    @codspeedbot add a benchmark for the parse_config function
@codspeedbot requires the CodSpeed GitHub App to be installed on your repository. If you used the dashboard Wizard for initial setup, the app is already installed.

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Next steps

MCP Server

Connect AI coding assistants to your CodSpeed performance data directly from your editor.

Agent Skills

Teach AI assistants to set up benchmarks and optimize performance autonomously.