Agent skill

Sdd Implementation

by madebyaris in madebyaris/spec-kit-command-cursor

Execute planned implementations following todo-lists systematically.

MITAuto-check passedDevelopment

Install Sdd Implementation

skills CLI

$ npx skills add madebyaris/spec-kit-command-cursor --skill sdd-implementation -a claude-code

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

GitHub CLI

$ gh skill install madebyaris/spec-kit-command-cursor sdd-implementation --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/madebyaris/spec-kit-command-cursor.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.cursor/skills/sdd-implementation .claude/skills/sdd-implementation && 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/

Paste into Claude Code

Install the "sdd-implementation" agent skill from https://github.com/madebyaris/spec-kit-command-cursor/tree/main/.cursor/skills/sdd-implementation into .claude/skills/sdd-implementation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "sdd-implementation", then confirm the skill loads.

Claude Code copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

$skill-installer

$skill-installer install https://github.com/madebyaris/spec-kit-command-cursor/tree/main/.cursor/skills/sdd-implementation

Type this inside Codex. $skill-installer <name> installs a curated skill from openai/skills. The installer writes to $CODEX_HOME/skills (default ~/.codex/skills). Restart Codex if the skill does not show up.

skills CLI

$ npx skills add madebyaris/spec-kit-command-cursor --skill sdd-implementation -a codex

Project install goes to .agents/skills/; add -g for ~/.codex/skills/.

GitHub CLI

$ gh skill install madebyaris/spec-kit-command-cursor sdd-implementation --agent codex

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/madebyaris/spec-kit-command-cursor.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.cursor/skills/sdd-implementation .agents/skills/sdd-implementation && rm -rf skills-src

Use ~/.agents/skills/ instead of .agents/skills for a personal install.

Codex skills documentation · loads skills from .agents/skills/

Paste into Codex

Install the "sdd-implementation" agent skill from https://github.com/madebyaris/spec-kit-command-cursor/tree/main/.cursor/skills/sdd-implementation into .agents/skills/sdd-implementation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "sdd-implementation", then confirm the skill loads.

Codex copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add madebyaris/spec-kit-command-cursor --skill sdd-implementation -a cursor

Project install goes to .agents/skills/; add -g for ~/.cursor/skills/.

GitHub CLI

$ gh skill install madebyaris/spec-kit-command-cursor sdd-implementation --agent cursor

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/madebyaris/spec-kit-command-cursor.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.cursor/skills/sdd-implementation .cursor/skills/sdd-implementation && rm -rf skills-src

Use ~/.cursor/skills/ instead of .cursor/skills for a personal install.

Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/

Paste into Cursor

Install the "sdd-implementation" agent skill from https://github.com/madebyaris/spec-kit-command-cursor/tree/main/.cursor/skills/sdd-implementation into .cursor/skills/sdd-implementation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "sdd-implementation", then confirm the skill loads.

Cursor copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

gemini skills install

$ gemini skills install https://github.com/madebyaris/spec-kit-command-cursor.git --path .cursor/skills/sdd-implementation

--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.

skills CLI

$ npx skills add madebyaris/spec-kit-command-cursor --skill sdd-implementation -a gemini-cli

Project install goes to .agents/skills/; add -g for ~/.gemini/skills/.

GitHub CLI

$ gh skill install madebyaris/spec-kit-command-cursor sdd-implementation --agent gemini-cli

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/madebyaris/spec-kit-command-cursor.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.cursor/skills/sdd-implementation .gemini/skills/sdd-implementation && rm -rf skills-src

Use ~/.gemini/skills/ instead of .gemini/skills for a personal install, then run /skills reload.

Gemini CLI skills documentation · loads skills from .gemini/skills/, .agents/skills/

Paste into Gemini CLI

Install the "sdd-implementation" agent skill from https://github.com/madebyaris/spec-kit-command-cursor/tree/main/.cursor/skills/sdd-implementation into .gemini/skills/sdd-implementation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "sdd-implementation", then confirm the skill loads.

Gemini CLI copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

GitHub CLI

$ gh skill install madebyaris/spec-kit-command-cursor sdd-implementation

Installs for Copilot at project scope by default; add --scope user for a personal install. Preview a skill first with gh skill preview. Needs GitHub CLI 2.90.0 or later (public preview).

skills CLI

$ npx skills add madebyaris/spec-kit-command-cursor --skill sdd-implementation -a github-copilot

Project install goes to .agents/skills/; add -g for ~/.copilot/skills/.

Manual copy

$ git clone --depth 1 https://github.com/madebyaris/spec-kit-command-cursor.git skills-src && mkdir -p .github/skills && cp -r skills-src/.cursor/skills/sdd-implementation .github/skills/sdd-implementation && rm -rf skills-src

Use ~/.copilot/skills/ instead of .github/skills for a personal install. Commit .github/skills so cloud agent and code review can use it.

GitHub Copilot skills documentation · loads skills from .github/skills/, .claude/skills/, .agents/skills/

Paste into GitHub Copilot

Install the "sdd-implementation" agent skill from https://github.com/madebyaris/spec-kit-command-cursor/tree/main/.cursor/skills/sdd-implementation into .github/skills/sdd-implementation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "sdd-implementation", then confirm the skill loads.

GitHub Copilot copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

skills CLI

$ npx skills add madebyaris/spec-kit-command-cursor --skill sdd-implementation -a opencode

OpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.

GitHub CLI

$ gh skill install madebyaris/spec-kit-command-cursor sdd-implementation --agent opencode

Project scope by default (.agents/skills/); add --scope user for a personal install.

Manual copy

$ git clone --depth 1 https://github.com/madebyaris/spec-kit-command-cursor.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.cursor/skills/sdd-implementation .opencode/skills/sdd-implementation && rm -rf skills-src

Use ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.

OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/

Paste into OpenCode

Install the "sdd-implementation" agent skill from https://github.com/madebyaris/spec-kit-command-cursor/tree/main/.cursor/skills/sdd-implementation into .opencode/skills/sdd-implementation/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "sdd-implementation", then confirm the skill loads.

OpenCode copies the folder itself, the same result as the manual copy. Check what it changed before you commit it.

Facts

Skill name: sdd-implementation
GitHub stars: 198
Token cost: ~444 tokens
SKILL.md length: 160 words
Files: 3 (incl. scripts, references)
Skills in repo: 6
Repo updated: Jun 22, 2026
First seen: Oct 7, 2026
Licence: MIT

At a glance

Execute planned implementations following todo-lists systematically.

Works in 5 steps: Load the Plan → Execute Systematically → Follow Patterns → …
Code generation
SKILL.md covers When to Use, Protocol, Anti-Patterns and Integration
Runs Shell scripts from its folder

What it does

Sdd Implementation is an agent skill from madebyaris/spec-kit-command-cursor. Execute planned implementations following todo-lists systematically. Use for code generation, building features, and executing SDD plans.

Its SKILL.md is about 440 tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including scripts and reference files (for example `references/patterns.md` and `scripts/progress.sh`).

It sits in Development, covering Task management. The repository describes itself as: SDD toolkit for Cursor IDE — /specify, /plan, /tasks to turn ideas into specs, plans, and actionable tasks. The licence is MIT.

When your agent uses it

Code generation
Building features
Executing SDD plans

Example prompts

“/sdd-implementation”

Requirements

A Bash shell

Workflow steps

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

Load the Plan
Execute Systematically
Follow Patterns
Track Progress
Report

What it can do on your machine

Read from SKILL.md and the folder at commit 36b26f9. 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
Ships 1 file in scripts/ (Shell), which the agent can run.
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

Sdd Implementation loads about 444 tokens when it runs, and up to ~1.4k if it reads all its reference files. Until then it costs about 39 tokens; SKILL.md has 160 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it: ~39
When it runs · the whole SKILL.md, loaded when a task matches: ~444
With references · SKILL.md plus every file in references/, read only if the agent opens them: ~1.4k

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); the scripts in this folder are not scanned.

SKILL.md

The full file from madebyaris/spec-kit-command-cursor at commit 36b26f9, republished under its MIT licence (© madebyaris). 160 words, ~444 tokens.

Download SKILL.mdSave it as .claude/skills/sdd-implementation/SKILL.md (or your agent's skills folder). This skill also uses 2 other files; get the full folder from GitHub.

name: sdd-implementation
description: Execute planned implementations following todo-lists systematically. Use for code generation, building features, and executing SDD plans.

SDD Implementation Skill

Build what has been planned, following specs and todo-lists precisely.

When to Use

Executing planned implementations
Code generation from specifications
Building features according to plan

Protocol

Step 1: Load the Plan

Read: plan.md → spec.md → tasks.md → todo-list.md

Step 2: Execute Systematically

Read entire list before starting
Execute in order — respect dependency chains
Mark completion — - [ ] → - [x] immediately
Document blockers — never skip silently, use [BLOCKED: reason]

Step 3: Follow Patterns

Reference references/patterns.md for project conventions and implementation patterns.

Step 4: Track Progress

Use scripts/progress.sh to visualize completion status.

Step 5: Report

markdown

## Implementation Summary

### Completed
- [x] Task 1: description

### Files Created/Modified
- `path/to/file.ts`: [purpose]

### Blockers Encountered
- [blocker and resolution]

### Discoveries
- [anything that should update specs]

Anti-Patterns

Skipping tasks without explanation
Marking items done without completing them
Implementing differently than planned without noting why
Ignoring blockers instead of documenting them

Integration

After completion, sdd-verifier subagent validates work (spawned as a child subagent)
Recall/persist project knowledge via the sdd-memory skill (no-op when the memory provider is standard)
Discoveries trigger sdd-evolve skill for spec updates
Use the ask question tool for ambiguous requirements

Files

SKILL.md and 2 other files (scripts, references) in .cursor/skills/sdd-implementation of madebyaris/spec-kit-command-cursor.

SKILL.md
references/patterns.md
scripts/progress.sh

Open the folder on GitHubat commit 36b26f9

Compare with similar skills

Sdd Implementation 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.

Sdd Implementation compared with similar skills
Skill	Stars	Used in	Tokens	Auto-check	Licence	Repo updated
Sdd Implementation this skillmadebyaris/spec-kit-command-cursor	198	—	~444	Automated safety check: Pass	MIT	3 mo ago
Kanvibe Release Deployrookedsysc/kanvibe	143	—	~12k	Automated safety check: Notes	AGPL-3.0	today
Diagram312362115/claude	107	—	~2.7k	Automated safety check: Pass	MIT	4 mo ago
Gh CLIfarm-fe/farm	5.6k	—	~1.5k	Automated safety check: Pass	MIT	16 days ago
Req Analyzesd0xdev/sd0x-harness	192	—	~4.1k	Automated safety check: Pass	MIT	today
Git Project Statusespennilsen/pi	122	—	~4.4k	Automated safety check: Notes	MIT	16 days ago

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Questions about Sdd Implementation

What does Sdd Implementation do?

Execute planned implementations following todo-lists systematically. Sdd Implementation is an agent skill from madebyaris/spec-kit-command-cursor. Execute planned implementations following todo-lists systematically.

When should I use Sdd Implementation?

Sdd Implementation fits situations like: code generation; building features; executing SDD plans.

How do I install Sdd Implementation in Claude Code?

Run `npx skills add madebyaris/spec-kit-command-cursor --skill sdd-implementation -a claude-code`. Or copy the skill folder (.cursor/skills/sdd-implementation in madebyaris/spec-kit-command-cursor) into .claude/skills/sdd-implementation in your project. Claude Code loads it when a task matches its description.

How do I install Sdd Implementation in Codex?

Run `npx skills add madebyaris/spec-kit-command-cursor --skill sdd-implementation -a codex`. Or copy the skill folder (.cursor/skills/sdd-implementation in madebyaris/spec-kit-command-cursor) into .agents/skills/sdd-implementation in your project. Codex loads it when a task matches its description.

Can I use Sdd Implementation 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 madebyaris/spec-kit-command-cursor --skill sdd-implementation -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/sdd-implementation, .gemini/skills/sdd-implementation, .github/skills/sdd-implementation and .opencode/skills/sdd-implementation in your project.

What does Sdd Implementation need to run?

Going by SKILL.md and its folder, Sdd Implementation needs a shell for the scripts in its folder. Our summary lists: A Bash shell.

Does Sdd Implementation 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 Sdd Implementation 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. The check reads SKILL.md only: the scripts in the folder are not scanned, so read them before running anything.

What licence does Sdd Implementation use?

Sdd Implementation 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 Sdd Implementation use?

About 444 tokens (SKILL.md is roughly 1.8k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 980 tokens, read only when the agent opens those files.

What are the alternatives to Sdd Implementation?

Skills that share tags, products or a category with Sdd Implementation: Kanvibe Release Deploy (rookedsysc/kanvibe, 143 stars), Diagram (312362115/claude, 107 stars), Gh CLI (farm-fe/farm, 5.6k stars) and Req Analyze (sd0xdev/sd0x-harness, 192 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Sdd Implementation?

madebyaris (a GitHub user) maintains it in madebyaris/spec-kit-command-cursor, which has 198 GitHub stars. The repository holds 6 skills in this directory. The repository was last updated on June 22, 2026.

Source: madebyaris/spec-kit-command-cursor on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.

Install Sdd Implementation

Facts

At a glance

What it does

When your agent uses it

Example prompts

Requirements

Workflow steps

What it can do on your machine

Tool permissions

Runs code

Network

Credentials

Context cost

Safety

SKILL.md

SDD Implementation Skill

When to Use

Protocol

Step 1: Load the Plan

Step 2: Execute Systematically

Step 3: Follow Patterns

Step 4: Track Progress

Step 5: Report

Anti-Patterns

Integration

Files

Compare with similar skills

Similar skills

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Related

Questions about Sdd Implementation