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live-mastracode-instrumentation

95 / 100 · Low risk

Fine to try. Some of what it can do is expected: a coding skill usually runs build and test commands.

By mastra-ai/mastra (GitHub) · coding · 29,480 stars · scanned at commit 43d1e9c

Reproduce and measure a Mastra Code runtime bug against a real model by driving the built TUI headlessly in tmux while every layer (network, provider stream, run engine, TUI) appends timestamped JSONL. Use when a bug depends on real provider timing, streaming order, or event flow that mocked tests and fixtures may not reproduce — e.g. wrong token rates, flicker, stuck status, ordering races, or "only happens sometimes with a real model".

Works with any agent that supports SKILL.md skills.

What this skill can do

Install

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

if [ -e ~/.agents/skills/'live-mastracode-instrumentation' ] || [ -L ~/.agents/skills/'live-mastracode-instrumentation' ]; then echo 'A skill folder named live-mastracode-instrumentation already exists — not replacing it' >&2; false; else d=$(mktemp -d) && git clone --quiet --filter=blob:none --no-checkout 'https://github.com/mastra-ai/mastra' "$d" && git -C "$d" checkout --quiet '43d1e9c16d6681a66636e318c34118597911f7c5' -- '.claude/skills/live-mastracode-instrumentation' && mkdir -p ~/.agents/skills && cp -R "$d"/'.claude/skills/live-mastracode-instrumentation' ~/.agents/skills/'live-mastracode-instrumentation' && 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/'live-mastracode-instrumentation' ~/.claude/skills/'live-mastracode-instrumentation' (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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