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Agent skill

Implement Feature

by davepoon in davepoon/buildwithclaude

Implements a feature from its specification. An agent skill from davepoon/buildwithclaude.

MITAuto-check passedProduct & Project Management

Install Implement Feature

skills CLI
$ npx skills add davepoon/buildwithclaude --skill implement-feature -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install davepoon/buildwithclaude implement-feature --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/davepoon/buildwithclaude.git skills-src && mkdir -p .claude/skills && cp -r skills-src/plugins/agent-triforce/skills/implement-feature .claude/skills/implement-feature && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
implement-feature
GitHub stars
3.6k
Token cost
~413 tokens
SKILL.md length
187 words
Files
1
Skills in repo
246
Repo updated
First seen
Licence
MIT

At a glance

Implements a feature from its specification. An agent skill from davepoon/buildwithclaude.

  • Works in 8 steps: Runs the SIGN IN checklist and verifies… → Designs architecture (creates ADR if… → Defines interfaces/contracts, then… → …
  • Product & Project Management work in your project
  • SKILL.md covers When to Use This Skill, What This Skill Does, How to Use and Example, plus 1 more section
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Implement Feature is an agent skill from davepoon/buildwithclaude. Implements a feature from its specification. Reads the spec, designs architecture, writes code and tests. Delegates to the Forja (Dev) agent.

Its SKILL.md is about 410 tokens, which your agent loads only when the skill is triggered. It is a single SKILL.md file with no bundled scripts.

It sits in Product & Project Management. The repository describes itself as: A single hub to find Claude Skills, Agents, Commands, Hooks, Plugins, and Marketplace collections to extend Claude Code, Claude Desktop, Agent SDK and OpenClaw. The licence is MIT.

When your agent uses it

  • Product & Project Management work in your project

Example prompts

  • “Use the implement-feature skill to implement a feature from its specification. An agent skill from davepoon/buildwithclaude”
  • “/implement-feature”

Workflow steps

8 steps, taken from the first numbered list in SKILL.md.

  1. Runs the SIGN IN checklist and verifies the spec handoff
  2. Designs architecture (creates ADR if needed)
  3. Defines interfaces/contracts, then implements in src/
  4. Writes tests in tests/ (unit + integration)
  5. Runs the Implementation Complete checklist (TIME OUT 1)
  6. Runs the Pre-Delivery checklist (TIME OUT 2)
  7. Prepares structured handoff to QA agent
  8. Runs the SIGN OUT checklist

What it can do on your machine

Read from SKILL.md and the folder at commit 10bfc43. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names no API keys, tokens, secrets or passwords.

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Implement Feature loads about 413 tokens when it runs. Until then it costs about 40 tokens; SKILL.md has 187 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~40
When it runs · the whole SKILL.md, loaded when a task matches
~413

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from davepoon/buildwithclaude at commit 10bfc43, republished under its MIT licence (© davepoon). 187 words, ~413 tokens.

Download SKILL.mdSave it as .claude/skills/implement-feature/SKILL.md (or your agent's skills folder).
name
implement-feature
description
Implements a feature from its specification. Reads the spec, designs architecture, writes code and tests. Delegates to the Forja (Dev) agent.
category
workflow-orchestration

Implement Feature

Implements a feature from its specification using the Forja (Dev) agent.

When to Use This Skill

  • A feature spec has been approved and is ready for implementation
  • You need architecture design, code, and tests for a defined feature
  • Translating product requirements into working software

What This Skill Does

  1. Runs the SIGN IN checklist and verifies the spec handoff
  2. Designs architecture (creates ADR if needed)
  3. Defines interfaces/contracts, then implements in src/
  4. Writes tests in tests/ (unit + integration)
  5. Runs the Implementation Complete checklist (TIME OUT 1)
  6. Runs the Pre-Delivery checklist (TIME OUT 2)
  7. Prepares structured handoff to QA agent
  8. Runs the SIGN OUT checklist

How to Use

Basic Usage
/implement-feature webhook-event-system
With Spec Reference
/implement-feature docs/specs/webhook-event-system.md

Example

User: /implement-feature user-authentication

Output:

  • Implementation in src/ with all acceptance criteria met
  • Tests in tests/ covering critical paths
  • ADR if significant architecture decisions were made
  • Handoff notes for QA: files changed, how to test, known limitations

Tips

  • Ensure the feature spec exists before running this skill
  • The agent creates an ADR for any significant architecture decisions
  • Two TIME OUT checkpoints ensure both correctness and delivery cleanliness

© davepoon, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

Just SKILL.md in plugins/agent-triforce/skills/implement-feature of davepoon/buildwithclaude.

Open the folder on GitHubat commit 10bfc43

Compare with similar skills

Implement Feature next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Implement Feature compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Implement Feature this skilldavepoon/buildwithclaude3.6k—~413Automated safety check: PassMIT
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Game Changing FeaturesopenstatusHQ/data-table-filters2.3k3 repos~2.1kAutomated safety check: PassMIT
CCPM Project Managementautomazeio/ccpm8.4k—~1.1kAutomated safety check: PassMIT
Convex Create Componentspokvulcan/poker-planning1148 repos~2.6kAutomated safety check: PassMIT
Self Improving Agentfarm-fe/farm5.6k2 repos~3.3kAutomated safety check: NotesMIT

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Categories

Questions about Implement Feature

What does Implement Feature do?

Implements a feature from its specification. An agent skill from davepoon/buildwithclaude. Implement Feature is an agent skill from davepoon/buildwithclaude. Implements a feature from its specification.

When should I use Implement Feature?

Implement Feature fits situations like: product & Project Management work in your project.

How do I install Implement Feature in Claude Code?

Run `npx skills add davepoon/buildwithclaude --skill implement-feature -a claude-code`. Or copy the skill folder (plugins/agent-triforce/skills/implement-feature in davepoon/buildwithclaude) into .claude/skills/implement-feature in your project. Claude Code loads it when a task matches its description.

How do I install Implement Feature in Codex?

Run `npx skills add davepoon/buildwithclaude --skill implement-feature -a codex`. Or copy the skill folder (plugins/agent-triforce/skills/implement-feature in davepoon/buildwithclaude) into .agents/skills/implement-feature in your project. Codex loads it when a task matches its description.

Can I use Implement Feature in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add davepoon/buildwithclaude --skill implement-feature -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/implement-feature, .gemini/skills/implement-feature, .github/skills/implement-feature and .opencode/skills/implement-feature in your project.

What does Implement Feature need to run?

SKILL.md names no scripts, command-line tools or credentials: Implement Feature is instructions for the agent only.

Does Implement Feature access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Implement Feature safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Implement Feature use?

Implement Feature is published under the MIT licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Implement Feature use?

About 413 tokens (SKILL.md is roughly 1.7k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Implement Feature?

Skills that share tags, products or a category with Implement Feature: User Story Writer (deanpeters/Product-Manager-Skills, 7.2k stars), Game Changing Features (openstatusHQ/data-table-filters, 2.3k stars), CCPM Project Management (automazeio/ccpm, 8.4k stars) and Convex Create Component (spokvulcan/poker-planning, 114 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Implement Feature?

davepoon (a GitHub user) maintains it in davepoon/buildwithclaude, which has 3,601 GitHub stars. The repository holds 246 skills in this directory. The repository was last updated on October 6, 2026.

Source: davepoon/buildwithclaude on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.