Forward Implementation First

Keeps an agent building and validating real output instead of servicing its own bookkeeping. Use for multi-stage pipelines, capability roadmaps, long-running implementation loops, migrations, staged data or build runs, and any run where administrative hashes, locks, receipts, dashboards, certification markers, or progress metadata can block correct work. Use when an agent refuses to advance, rewinds finished stages, or reruns unchanged work because a marker is missing or stale.

181 stars 4 forksAI, LLMs & Agents

Install

skills CLI (Claude Code, Cursor, Codex and more)

npx skills add Vuk97/forward-implementation-first --skill forward-implementation-first

Manual install

git clone --depth 1 https://github.com/Vuk97/forward-implementation-first.git /tmp/forward-implementation-first
mkdir -p ~/.claude/skills
cp -r /tmp/forward-implementation-first/. ~/.claude/skills/forward-implementation-first

Personal skills live in ~/.claude/skills. Use .claude/skills in a project folder to share a skill with your team.

From the SKILL.md

# Forward implementation first

Build working capability and correct output before administrative bookkeeping.
Apply this contract both while building a system and while running it.

## Scope

This skill applies to:

- infrastructure and roadmap implementation;
- input intake and intermediate artifact production;
- transformation, derivation, and analysis stages;
- test construction, runtime verification, and measurement;
- publication of final output and closeout;
- manual invocation of any authorized pipeline stage.

It applies whether the action runs through a full orchestrator, a focused
command, or a manual stage invocation.

## Decision rule

Before each action, classify it as one of:

1. **Semantic implementation**: builds or connects a producer, consumer,
   adapter, runtime path, schema, fixture, or final output.
2. **Focused validation**: tests the changed dependency cone through behavior,
   schema, counts, samples, conservation, consistency, nontruncation, or
   measured resources.
3. **Administrative bookkeeping**: generates or repairs hashes, locks,
   receipts, dashboards, certification markers, progress metadata, or
   presence-only records.

Choose categories 1 and 2. Skip category 3 unless the user asks for it or the
artifact is itself part of the product. When administrative work blocks a path
without protecting correctness, remove that dependency from the path.

## Hard constraints

Read the full skill on GitHub

Details

Skill name: forward-implementation-first
Repository: Vuk97/forward-implementation-first
License: MIT
Repo updated: 31 August 2026

FAQ

What does the Forward Implementation First skill do?

How do I install the Forward Implementation First skill?

skills CLI (Claude Code, Cursor, Codex and more): npx skills add Vuk97/forward-implementation-first --skill forward-implementation-first. Skills go in ~/.claude/skills (personal) or .claude/skills (project), and Claude loads them automatically when a task matches the description.

Is Forward Implementation First popular?

It lives in Vuk97/forward-implementation-first, which has 181 GitHub stars and 4 forks.

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