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flamegraph

100 / 100 · Low risk

Fine to try.

By diegopacheco/ai-playground (GitHub) · coding · 21 stars · scanned at commit d9a66a7

Build a function call-graph flamegraph website for a Java codebase. Parses the sources, extracts every method and the calls between them, and renders a light-theme site where the user picks any class or method and sees its call tree as a hand-drawn SVG flamegraph. Use when the user runs /flamegraph or asks for a call graph, call-graph flamegraph, or a visualization of which methods call which.

Works with any agent that supports SKILL.md skills.

What this skill can do

We found nothing in the files we read that matches our rules. That does not prove the skill is safe: see the limits of static scanning.

Install

Paste this into your terminal. It downloads exactly the version we scanned, not whatever is newest.

if [ -e ~/.agents/skills/'flamegraph' ] || [ -L ~/.agents/skills/'flamegraph' ]; then echo 'A skill folder named flamegraph already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/diegopacheco/ai-playground' "$d" && git -C "$d" checkout --quiet 'd9a66a7614b743615074ea74689ae2039fadcb2d' -- 'pocs/fable5-agent-skill-flamegraph/skill' && mkdir -p ~/.agents/skills && cp -R "$d"/'pocs/fable5-agent-skill-flamegraph/skill' ~/.agents/skills/'flamegraph' && rm -rf "$d"; fi

Codex reads ~/.agents/skills directly. For Claude Code, Cursor, Copilot, Gemini CLI, Antigravity or OpenCode, also link it. For Claude Code: ln -s ~/.agents/skills/'flamegraph' ~/.claude/skills/'flamegraph' (other agents: ~/.cursor/skills, ~/.copilot/skills, ~/.gemini/skills, ~/.gemini/config/skills, ~/.config/opencode/skills). Or install through the finder skill, which does both.

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