claude

impact

Maps what a change touches and what reaches it: callers, routes, scheduled tasks, queued jobs, event listeners, tests that reach it and changed code none do, data and contracts. Facts, not a review. Launches nothing when only docs or tests changed

3 on GitHubby Jarryd Hoffmanv0.1.0MITupdated 24 days agoproductivity
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Plugin impact from marketplace jarrydh-agents in Jarryd-W-Hoffman/agents. Commands read from the repo's manifest — 19 days ago.

This plugin runs code on your machine — its hooks fire automatically on events like tool use. The exact commands are listed below; read them before installing.

What it installs

Skills (1)

  • map

    Change impact map. Finds the symbols a change touches and every reference to them with a script, then, unless --quick, runs one read-only impact-analyst agent to verify those references and find what grep cannot see — routes, scheduled tasks, queued jobs, event listeners, container bindings, tests t

Subagents (1)

  • impact-analyst

    Use this agent when you need to know everything a change could affect before reviewing, testing or deploying it: which callers, HTTP routes, console commands, scheduled tasks, queued jobs, event listeners and views reach the changed code; which tests exercise it and which changed code no test reache

Hooks (1)

  • PreToolUse

    READONLY_GUARD_AGENTS='*impact-analyst' python3 "${CLAUDE_PLUGIN_ROOT}/hooks/readonly-guard.py"

View source on GitHub

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Reviews database migrations for what breaks in production: old code against the new schema during a deploy, table locks, data loss, constraints existing rows violate, and missing rollbacks. Launches nothing when a change has no migrations

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Checks whether a change undoes what the repository's history already learned: removes a fix's guard, re-introduces reverted code, loosens a regression test, or leaves a usual partner file behind. Launches nothing when the history has nothing to say

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review

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Works out which of this marketplace's plugins a change needs, from the files it touches and with no model, and shows the plan: what would run, what is skipped and why, and what to offer afterwards

2 skills

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