claudecodex

geppetto

Portable engineering skills and deterministic gates.

0 on GitHubby immagiov4v0.11.1MITupdated 4 days agoProductivity
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Plugin geppetto from marketplace geppetto in immagiov4/Geppetto. Commands read from the repo's manifest — 3 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 (18)

  • code-review

    Review a branch, PR or local changes with an available verification runtime: independent searches, finding confirmation, coverage and measured usage. The default code-review procedure.

  • geppetto-adopt

    Install, update, inspect or remove Geppetto in a project.

  • geppetto-behaviour-tests

    Test behaviour and invariants. Use to choose meaningful tests, assign checks to measured speed tiers or assess a test that records no design choice.

  • geppetto-build

    Build product behaviour test-first at its existing owner. Use to implement a specified unit, fix a reproducible defect or promote a prototype to product.

  • geppetto-learn

    Improve a skill after a reusable workflow, a verified dead-end fix, a user correction or recurring friction.

  • geppetto-living-docs

    Document while working, one owner per fact. Use when behaviour changes, documentation is stale or duplicated, or a decision may deserve an ADR.

  • geppetto-measure-it

    Measure before claiming or adding. Use for an optimisation, a slower/costlier/better claim, or a new rule, hook or check.

  • geppetto-memory

    Memory: retrieve durable knowledge and decision rationale, save authorized facts or informal rationales without a better owner, or maintain the topic wiki.

  • geppetto-reuse-it

    Reuse existing primitives before adding machinery. Use before a new tool, hook, prompt path, special case or natural-language heuristic.

  • geppetto-spec

    Specify a change before code: human flow, design limits, requirements map and small units. Use for feature plans, grill sessions or steering that changes the agreed outcome.

  • geppetto-verify

    Verify a candidate proportionately: current-revision checks, independent review and confirmed findings. Use before a PR, on review feedback or before calling significant work done.

  • geppetto-x-ray

    Design technical observability in every specification and implement diagnostic access with the feature. Use to inspect normal operation, state, duration, failure or interruption across system and component boundaries.

  • receive-work-feedback

    Evaluate findings from PR reviews, local reviewing agents, self-review, and reviews of documents or other artifacts before applying corrections. Validate requirements, evidence, scope, and decisions.

  • requirements-blast-radius

    Map implicit requirements for substantial software product changes. Use for a new capability or steering that materially changes product behavior. Exclude tiny localized edits, standalone documentary research, prose work and tasks unrelated to product development.

  • retro

    Examine a development session and propose improvements to the agent's tools, checks and instructions.

  • skill-learning-patterns

    Derive verifiable skill improvements from a correction, faulty instructions, or a reusable technique discovered in a chat. Also use when asked to refine a skill or review a collection for overlap and outdated content.

  • write-pr

    Draft or revise a pull-request body from the actual change and verification evidence. Use when no maintainer-selected PR procedure already owns the task.

  • writing-for-agents

    Writing documents for agents. Use when creating or editing skills, or modifying AGENTS.md or CLAUDE.md.

Hooks (5)

  • UserPromptSubmit

    node "${CLAUDE_PLUGIN_ROOT}/skills/geppetto-adopt/scripts/hook.mjs"

  • PreToolUse

    node "${CLAUDE_PLUGIN_ROOT}/skills/geppetto-adopt/scripts/hook.mjs"

  • Stop

    node "${CLAUDE_PLUGIN_ROOT}/skills/geppetto-adopt/scripts/hook.mjs"

  • SessionStart

    node "${CLAUDE_PLUGIN_ROOT}/skills/geppetto-adopt/scripts/hook.mjs"

  • PostToolUse

    node "${CLAUDE_PLUGIN_ROOT}/skills/geppetto-adopt/scripts/hook.mjs"

View source on GitHub

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