MKAbuMattar

Athar — Development skill for Claude Code

Development community

Trace a bug to its root cause, repro first.

How to install Athar

Installs to ~/.claude/skills/mkabumattar-black-iris-athar/SKILL.md

Terminal
mkdir -p ~/.claude/skills/mkabumattar-black-iris-athar && curl -fsSL https://raw.githubusercontent.com/MKAbuMattar/black-iris/HEAD/commands/athar.md -o ~/.claude/skills/mkabumattar-black-iris-athar/SKILL.md

Restart Claude Code, or start a new session, for it to be picked up.

What Athar does

description: Trace a bug to its root cause, repro first argument-hint: disable-model-invocation: true allowed-tools: Read, Write, Edit, Bash, Grep, Glob

Run the black-iris Athar mode on this input: $ARGUMENTS

  1. Read ${CLAUDE_PLUGIN_ROOT}/skills/black-iris/references/athar.md and follow it.
  2. Apply the Cut list and the Pre-send check from ${CLAUDE_PLUGIN_ROOT}/skills/black-iris/SKILL.md to everything you write.
  3. With no fail

Alternatives in Development

  • Root Cause Tracing — Use when errors occur deep in execution and you need to trace back to find the original trigger 102.5k ★
  • Engage.Crash — Crash → root cause → reachability → empirical exploitability verdict (native bugs) 348 ★
  • Cloud Run Debug — Diagnose a failing Cloud Run service — Antigravity (agy/Gemini) digests the error logs cheaply, Claude infers 284 ★

Full documentation available on GitHub

View Source Repository

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