perf-site

Get data from perf.julialang.org - CI job and build times, Nanosoldier benchmark history, PkgEval status and failure reasons of a package, TTFX, runtime benchmarks and binary size of master commits and open PRs, package downloads. Use whenever a question needs that data, including whether a PR slows CI down, before curling the site or downloading anything.

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Repository: JuliaLang/julia
Last source activity: November 8, 2026 at 04:59
Detected SKILL.md language: English
Stars: 49,262
Forks: 5,968

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Follow https://skillsmp.com/skill-install/prompt.md to install only the Agent Skill at https://github.com/JuliaLang/julia/tree/master/doc/src/devdocs/agents/skills/perf-site.

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SKILL.md

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name	perf-site
description	Get data from perf.julialang.org - CI job and build times, Nanosoldier benchmark history, PkgEval status and failure reasons of a package, TTFX, runtime benchmarks and binary size of master commits and open PRs, package downloads. Use whenever a question needs that data, including whether a PR slows CI down, before curling the site or downloading anything.

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buildkite-logs

Fetch and inspect Julia Buildkite CI logs and artifacts without web sign-in, including the TTFX benchmark jobs. Use when debugging Julia CI failures, reviewing Buildkite jobs, investigating a TTFX regression, or when the Buildkite MCP is unavailable.

2026-11-08

c-static-analysis

Run Clang static analysis on Julia's C/C++ runtime and codegen, and satisfy the GC-rooting checker. Use after modifying runtime/codegen .c/.cpp files under src/ (excluding headers), before opening a PR.

2026-08-06

test-changes

Run and update Julia tests after changing test files. Use when adding to or modifying any test file under test/ or stdlib/**/test/.

2026-07-16

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perf-site

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