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Agent skill

Skill Forge Plan

by AgriciDaniel in AgriciDaniel/skill-forge

Architecture and design planning for new Claude Code skills.

MITAuto-check passedAgent Workflows

Install Skill Forge Plan

skills CLI
$ npx skills add AgriciDaniel/skill-forge --skill skill-forge-plan -a claude-code

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

GitHub CLI
$ gh skill install AgriciDaniel/skill-forge skill-forge-plan --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/AgriciDaniel/skill-forge.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/skill-forge-plan .claude/skills/skill-forge-plan && 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
skill-forge-plan
GitHub stars
177
Token cost
~1.3k tokens
SKILL.md length
356 words
Files
1
Skills in repo
9
Repo updated
First seen
Licence
MIT

At a glance

Architecture and design planning for new Claude Code skills.

  • Works in 8 steps: Domain Discovery → Use Case Decomposition → Complexity Tier Assessment → …
  • User says plan skill
  • SKILL.md covers Process and Examples
  • Instructions only: no scripts, shell commands, URLs or credentials in SKILL.md

What it does

Skill Forge Plan is an agent skill from AgriciDaniel/skill-forge. Architecture and design planning for new Claude Code skills. Guides through use case definition, complexity tier selection, sub-skill decomposition, and file structure planning. Use when user says "plan skill", "design skill", "skill architecture", or "skill planning".

Its SKILL.md is about 1.3k 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 Agent Workflows. The repository describes itself as: Ultimate Claude Code skill creator — design, scaffold, build, review, evolve, and publish production-grade AI agent skills. The licence is MIT.

When your agent uses it

  • User says plan skill
  • Skill architecture

Example prompts

  • “plan skill”
  • “design skill”
  • “skill architecture”
  • “/skill-forge-plan”

Requirements

  • Docker

Workflow steps

8 steps, taken from the step headings in SKILL.md.

  1. Domain Discovery
  2. Use Case Decomposition
  3. Complexity Tier Assessment
  4. Architecture Design
  5. Sub-Skill Decomposition (Tier 3-4 only)
  6. Routing Table
  7. Reference File Planning
  8. Generate Plan Document

What it can do on your machine

Read from SKILL.md and the folder at commit 2872ee9. 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 (its code samples are markdown).

    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

Skill Forge Plan loads about 1.3k tokens when it runs. Until then it costs about 72 tokens; SKILL.md has 356 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~72
When it runs · the whole SKILL.md, loaded when a task matches
~1.3k

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 AgriciDaniel/skill-forge at commit 2872ee9, republished under its MIT licence (© AgriciDaniel). 356 words, ~1,277 tokens.

Download SKILL.mdSave it as .claude/skills/skill-forge-plan/SKILL.md (or your agent's skills folder).
name
skill-forge-plan
description
Architecture and design planning for new Claude Code skills. Guides through use case definition, complexity tier selection, sub-skill decomposition, and file structure planning. Use when user says "plan skill", "design skill", "skill architecture", or "skill planning".

Skill Architecture & Design Planning

Process

Step 1: Domain Discovery

Ask the user these questions (adapt based on context):

  1. What domain is this skill for? (e.g., SEO, advertising, DevOps, data analysis)
  2. What are the top 2-3 use cases? What should users be able to accomplish?
  3. What trigger phrases would users say? List 5-10 natural language triggers.
  4. Does it need external tools? MCP servers, APIs, CLI tools?
  5. Who is the target user? Developer, marketer, analyst, general user?
Step 2: Use Case Decomposition

For each use case, define:

Use Case: [Name]
Trigger: User says "[phrases]"
Steps:
1. [First action]
2. [Decision point or validation]
3. [Next action]
Result: [What success looks like]
Tools Needed: [built-in, MCP, scripts]
Step 3: Complexity Tier Assessment

Evaluate based on answers:

SignalTier 1Tier 2Tier 3Tier 4
Use cases1-22-34-88+
Needs scripts?NoYesMaybeYes
Sub-skills needed?NoNoYesYes
Parallel execution?NoNoNoYes
Reference docs?NoMaybeYesYes
Industry templates?NoNoMaybeYes

Decision matrix:

  • Single workflow, no scripts -> Tier 1 (minimal)
  • Needs deterministic validation -> Tier 2 (workflow)
  • Multiple distinct workflows -> Tier 3 (multi-skill)
  • Complex domain with parallel delegation -> Tier 4 (ecosystem)
Step 4: Architecture Design

Based on tier, generate the architecture:

Tier 1 Output:

skill-name/
  SKILL.md

Tier 2 Output:

skill-name/
  SKILL.md
  scripts/
    validate.py
    process.py
  references/
    domain-knowledge.md

Tier 3 Output:

skill-name/              # Main orchestrator
  SKILL.md
  references/
    shared-reference.md
skills/
  skill-name-sub1/
    SKILL.md
  skill-name-sub2/
    SKILL.md

Tier 4 Output:

skill-name/              # Main orchestrator
  SKILL.md
  references/
    ref1.md
    ref2.md
  scripts/
    script1.py
    script2.py
  assets/
    template1.md
    template2.md
skills/
  skill-name-sub1/
    SKILL.md
  skill-name-sub2/
    SKILL.md
  ...
agents/
  skill-name-role1.md
  skill-name-role2.md
Show full SKILL.md (161 more words)Show less
Step 5: Sub-Skill Decomposition (Tier 3-4 only)

For each sub-skill, define:

  • Name: {parent}-{function} (kebab-case)
  • Responsibility: Single, clear purpose
  • Inputs: What it needs from the orchestrator
  • Outputs: What it returns
  • Cross-references: Other sub-skills or references it needs
  • Self-contained?: Can it run independently or needs orchestration?
Step 6: Routing Table

Design the command routing:

markdown
| Command | Routes to | Purpose |
|---------|-----------|---------|
| /skill-name | main SKILL.md | Interactive mode |
| /skill-name sub1 | skills/skill-name-sub1/ | Sub-workflow 1 |
| /skill-name sub2 | skills/skill-name-sub2/ | Sub-workflow 2 |
Step 7: Reference File Planning

Identify knowledge that should be extracted to reference files:

  • Domain-specific rules and thresholds
  • Industry templates
  • API documentation
  • Quality gates and validation criteria

Rule of thumb: If information is >50 lines and only needed for specific sub-workflows, extract it to references/.

Step 8: Generate Plan Document

Create a structured plan document:

markdown
# Skill Plan: [name]

## Overview
- Domain: [domain]
- Tier: [1-4]
- Sub-skills: [count]
- Scripts: [count]

## Use Cases
[list from Step 2]

## Architecture
[diagram from Step 4]

## Sub-Skills
[details from Step 5]

## Routing
[table from Step 6]

## Reference Files
[list from Step 7]

## Next Steps
Run `/skill-forge build [name]` to scaffold the skill.

Examples

Example: Planning a DevOps Skill

User: "I want to create a skill for managing Docker containers and Kubernetes deployments"

Discovery reveals:

  • 6 use cases (container management, K8s deploy, monitoring, logs, scaling, troubleshooting)
  • Needs scripts for kubectl and docker commands
  • Multiple distinct workflows
  • Cross-references between monitoring and troubleshooting

Assessment: Tier 3 (multi-skill orchestrator)

Architecture:

devops/                     # Main orchestrator
  SKILL.md
  scripts/
    health_check.py         # Cluster health check
    log_parser.py           # Log analysis
  references/
    k8s-patterns.md         # Deployment patterns
    docker-best-practices.md
skills/
  devops-docker/SKILL.md  # Container management
  devops-k8s/SKILL.md     # Kubernetes deployments
  devops-monitor/SKILL.md # Monitoring and alerts
  devops-logs/SKILL.md    # Log analysis
  devops-scale/SKILL.md   # Scaling strategies
  devops-fix/SKILL.md     # Troubleshooting

© AgriciDaniel, 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 skills/skill-forge-plan of AgriciDaniel/skill-forge.

Open the folder on GitHubat commit 2872ee9

Compare with similar skills

Skill Forge Plan 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.

Skill Forge Plan compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Skill Forge Plan this skillAgriciDaniel/skill-forge177—~1.3kAutomated safety check: PassMIT
MCP Server Builderanthropics/skills180k64 repos~2.3kAutomated safety check: PassApache-2.0
Hook Development for Claude Code Pluginsanthropics/claude-plugins-official38k11 repos~4.1kAutomated safety check: NotesApache-2.0
Using Superpowersfarm-fe/farm5.6k35 repos~1.4kAutomated safety check: PassMIT
Executing Plans Inlineobra/superpowers296k2 repos~5.1kAutomated safety check: PassMIT
Claude Code Agent Developmentanthropics/claude-plugins-official38k8 repos~2.8kAutomated safety check: PassApache-2.0

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Categories

Questions about Skill Forge Plan

What does Skill Forge Plan do?

Architecture and design planning for new Claude Code skills. Skill Forge Plan is an agent skill from AgriciDaniel/skill-forge. Architecture and design planning for new Claude Code skills.

When should I use Skill Forge Plan?

Skill Forge Plan fits situations like: user says plan skill; skill architecture.

How do I install Skill Forge Plan in Claude Code?

Run `npx skills add AgriciDaniel/skill-forge --skill skill-forge-plan -a claude-code`. Or copy the skill folder (skills/skill-forge-plan in AgriciDaniel/skill-forge) into .claude/skills/skill-forge-plan in your project. Claude Code loads it when a task matches its description.

How do I install Skill Forge Plan in Codex?

Run `npx skills add AgriciDaniel/skill-forge --skill skill-forge-plan -a codex`. Or copy the skill folder (skills/skill-forge-plan in AgriciDaniel/skill-forge) into .agents/skills/skill-forge-plan in your project. Codex loads it when a task matches its description.

Can I use Skill Forge Plan 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 AgriciDaniel/skill-forge --skill skill-forge-plan -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/skill-forge-plan, .gemini/skills/skill-forge-plan, .github/skills/skill-forge-plan and .opencode/skills/skill-forge-plan in your project.

What does Skill Forge Plan need to run?

SKILL.md names no scripts, command-line tools or credentials: Skill Forge Plan is instructions for the agent only. Our summary lists: Docker.

Does Skill Forge Plan 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 Skill Forge Plan 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 Skill Forge Plan use?

Skill Forge Plan 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 Skill Forge Plan use?

About 1.3k tokens (SKILL.md is roughly 5.1k 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 Skill Forge Plan?

Skills that share tags, products or a category with Skill Forge Plan: MCP Server Builder (anthropics/skills, 180k stars), Hook Development for Claude Code Plugins (anthropics/claude-plugins-official, 38k stars), Using Superpowers (farm-fe/farm, 5.6k stars) and Executing Plans Inline (obra/superpowers, 296k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Skill Forge Plan?

AgriciDaniel (a GitHub user) maintains it in AgriciDaniel/skill-forge, which has 177 GitHub stars. The repository holds 9 skills in this directory. The repository was last updated on April 10, 2026.

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