Code Design Rationale Investigator
cursor/plugins
Digs into why code is shaped the way it is by checking git history, pull requests and connected tools in parallel, then reporting a cited read on the tradeoffs.
Scaffold a new datadog-ci plugin end-to-end using repository conventions.
Install Create Plugin
$ npx skills add DataDog/datadog-ci --skill create-plugin -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install DataDog/datadog-ci create-plugin --agent claude-codeProject scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).
$ git clone --depth 1 https://github.com/DataDog/datadog-ci.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.claude/skills/create-plugin .claude/skills/create-plugin && rm -rf skills-srcUse ~/.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/
Install the "create-plugin" agent skill from https://github.com/DataDog/datadog-ci/tree/master/.claude/skills/create-plugin into .claude/skills/create-plugin/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "create-plugin", 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 install https://github.com/DataDog/datadog-ci/tree/master/.claude/skills/create-pluginType 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.
$ npx skills add DataDog/datadog-ci --skill create-plugin -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install DataDog/datadog-ci create-plugin --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/DataDog/datadog-ci.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.claude/skills/create-plugin .agents/skills/create-plugin && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "create-plugin" agent skill from https://github.com/DataDog/datadog-ci/tree/master/.claude/skills/create-plugin into .agents/skills/create-plugin/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "create-plugin", 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.
$ npx skills add DataDog/datadog-ci --skill create-plugin -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install DataDog/datadog-ci create-plugin --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/DataDog/datadog-ci.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.claude/skills/create-plugin .cursor/skills/create-plugin && rm -rf skills-srcUse ~/.cursor/skills/ instead of .cursor/skills for a personal install.
Cursor skills documentation · loads skills from .cursor/skills/, .agents/skills/, .claude/skills/, .codex/skills/
Install the "create-plugin" agent skill from https://github.com/DataDog/datadog-ci/tree/master/.claude/skills/create-plugin into .cursor/skills/create-plugin/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "create-plugin", 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 https://github.com/DataDog/datadog-ci.git --path .claude/skills/create-plugin--scope user (default) or --scope workspace; --path is the subfolder of the repo that holds the skill; --consent skips the security confirmation prompt.
$ npx skills add DataDog/datadog-ci --skill create-plugin -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install DataDog/datadog-ci create-plugin --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/DataDog/datadog-ci.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.claude/skills/create-plugin .gemini/skills/create-plugin && rm -rf skills-srcUse ~/.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/
Install the "create-plugin" agent skill from https://github.com/DataDog/datadog-ci/tree/master/.claude/skills/create-plugin into .gemini/skills/create-plugin/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "create-plugin", 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.
$ gh skill install DataDog/datadog-ci create-pluginInstalls 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).
$ npx skills add DataDog/datadog-ci --skill create-plugin -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/DataDog/datadog-ci.git skills-src && mkdir -p .github/skills && cp -r skills-src/.claude/skills/create-plugin .github/skills/create-plugin && rm -rf skills-srcUse ~/.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/
Install the "create-plugin" agent skill from https://github.com/DataDog/datadog-ci/tree/master/.claude/skills/create-plugin into .github/skills/create-plugin/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "create-plugin", 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.
$ npx skills add DataDog/datadog-ci --skill create-plugin -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install DataDog/datadog-ci create-plugin --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/DataDog/datadog-ci.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.claude/skills/create-plugin .opencode/skills/create-plugin && rm -rf skills-srcUse ~/.config/opencode/skills/ instead of .opencode/skills for a personal install.
OpenCode skills documentation · loads skills from .opencode/skills/, .claude/skills/, .agents/skills/
Install the "create-plugin" agent skill from https://github.com/DataDog/datadog-ci/tree/master/.claude/skills/create-plugin into .opencode/skills/create-plugin/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "create-plugin", 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
create-plugin- GitHub stars
- 161
- Token cost
- ~441 tokens
- SKILL.md length
- 189 words
- Files
- 1
- Skills in repo
- 2
- Repo updated
- First seen
- Licence
- Apache-2.0
At a glance
Scaffold a new datadog-ci plugin end-to-end using repository conventions.
- Works in 6 steps: Ask for the scope name (kebab-case) and… → Run yarn plugin:create to scaffold… → Create the base command in… → …
- Development work in your project
- SKILL.md covers Workflow and Notes
- Calls yarn
What it does
Create Plugin is an agent skill from DataDog/datadog-ci, published by the product's own GitHub organization. Scaffold a new datadog-ci plugin end-to-end using repository conventions.
Its SKILL.md is about 440 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 Development. It works with Datadog. The repository describes itself as: Use Datadog from your CI. The licence is Apache-2.0.
When your agent uses it
- Development work in your project
Example prompts
- “/create-plugin”
Workflow steps
6 steps, taken from the first numbered list in SKILL.md.
- Ask for the scope name (kebab-case) and whether this is a built-in or separately installable plugin.
- Run yarn plugin:create to scaffold packages/plugin-/.
- Create the base command in packages/base/src/commands//.ts
- Create packages/base/src/commands//cli.ts exporting a commands array containing the command class.
- Create the plugin implementation in packages/plugin-/src/commands/.ts
- Update project files per the CONTRIBUTING.md checklist
What it can do on your machine
Read from SKILL.md and the folder at commit a17526b. 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
Shell commands in SKILL.md call:
yarn
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use yarn, which can reach the network depending on how they are called.
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
Create Plugin loads about 441 tokens when it runs. Until then it costs about 22 tokens; SKILL.md has 189 words of instructions outside code blocks.
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 DataDog/datadog-ci at commit a17526b, republished under its Apache-2.0 licence (© DataDog). 189 words, ~441 tokens.
Download SKILL.mdSave it as
.claude/skills/create-plugin/SKILL.md (or your agent's skills folder).- name
- create-plugin
- description
- Scaffold a new datadog-ci plugin end-to-end using repository conventions.
Create Plugin
Scaffold a new datadog-ci plugin end-to-end. Walk the user through each step, confirming the scope name and whether the plugin should be built-in or separately installable.
Workflow
Ask for the scope name (kebab-case) and whether this is a built-in or separately installable plugin.
Run
yarn plugin:create <scope>to scaffoldpackages/plugin-<scope>/.Create the base command in
packages/base/src/commands/<scope>/<command>.ts:- Extend
BaseCommandfrom@datadog/datadog-ci-base - Use
Command.Usage()for description - Use
Option.*from clipanion for arguments/flags execute()should callreturn executePluginCommand(this)- Export the command class
- Extend
Create
packages/base/src/commands/<scope>/cli.tsexporting acommandsarray containing the command class.Create the plugin implementation in
packages/plugin-<scope>/src/commands/<command>.ts:- Import and extend the base command
- Implement the actual
execute()logic - Return
0for success
Update project files per the CONTRIBUTING.md checklist:
- Add to
.github/CODEOWNERSunder the correct product - Add scope to the Usage section in root
README.md - If new product: create a GitHub label, update
pr-required-labels.yml,advanced-issue-labeler.yml, andrelease.ymlchangelog config
- Add to
Notes
- The commands map in
packages/base/src/cli.tsis auto-generated bybin/lint-packages.ts-- do not edit it manually. Runyarn lint:packagesto verify. - Use
getRequestBuilder()orhttpRequest()from base helpers for HTTP, not raw fetch or axios.
© DataDog, Apache-2.0. 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 .claude/skills/create-plugin of DataDog/datadog-ci.
Open the folder on GitHubat commit a17526b
Compare with similar skills
Create Plugin 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 | Stars | Used in | Tokens | Auto-check | Licence | Repo updated |
|---|---|---|---|---|---|---|
| Create Plugin this skillDataDog/datadog-ci | 161 | — | ~441 | Automated safety check: Pass | Apache-2.0 | |
| Code Design Rationale Investigatorcursor/plugins | 10k | 9 repos | ~2.6k | Automated safety check: Pass | None | |
| Bump LibdatadogDataDog/dd-trace-dotnet | 573 | — | ~1.7k | Automated safety check: Pass | Apache-2.0 | |
| ReleaseDataDog/datadog-go | 375 | — | ~2k | Automated safety check: Pass | MIT | |
| Write ChangelogDataDog/dd-trace-rb | 417 | — | ~2.9k | Automated safety check: Pass | Custom licence | |
| Write CommentDataDog/dd-trace-rb | 417 | — | ~1.4k | Automated safety check: Pass | Custom licence |
Similar skills
- Official
- Official
Bump Libdatadog
DataDog/dd-trace-dotnet
Update/bump the libdatadog native library version in dd-trace-dotnet.
- Official
Release
DataDog/datadog-go
Cut a new datadog-go release and update CHANGELOG.md following the repo's house style.
- Official
Write Changelog
DataDog/dd-trace-rb
A skill your agent uses when a change in this repo needs a customer-facing changelog entry — e.g.
- Official
Write Comment
DataDog/dd-trace-rb
A skill your agent uses whenever writing or reviewing a code comment anywhere in this repo (lib, ext, spec, sig, docs, CI config, etc.) – e.g.
- Official
Fix Continuation Leakage
DataDog/dd-trace-java
Diagnose and fix scope or continuation lifecycle failures in dd-trace-java instrumentation tests.
More from DataDog/datadog-ci
- Official
Write Tests
DataDog/datadog-ci
Write tests for datadog-ci commands and helpers using established repository patterns.
Related
Works with
Categories
Questions about Create Plugin
What does Create Plugin do?
Scaffold a new datadog-ci plugin end-to-end using repository conventions. Create Plugin is an agent skill from DataDog/datadog-ci, published by the product's own GitHub organization. Scaffold a new datadog-ci plugin end-to-end using repository conventions.
When should I use Create Plugin?
Create Plugin fits situations like: development work in your project.
How do I install Create Plugin in Claude Code?
Run `npx skills add DataDog/datadog-ci --skill create-plugin -a claude-code`. Or copy the skill folder (.claude/skills/create-plugin in DataDog/datadog-ci) into .claude/skills/create-plugin in your project. Claude Code loads it when a task matches its description.
How do I install Create Plugin in Codex?
Run `npx skills add DataDog/datadog-ci --skill create-plugin -a codex`. Or copy the skill folder (.claude/skills/create-plugin in DataDog/datadog-ci) into .agents/skills/create-plugin in your project. Codex loads it when a task matches its description.
Can I use Create Plugin 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 DataDog/datadog-ci --skill create-plugin -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/create-plugin, .gemini/skills/create-plugin, .github/skills/create-plugin and .opencode/skills/create-plugin in your project.
What does Create Plugin need to run?
Going by SKILL.md and its folder, Create Plugin needs the command-line tools its instructions call (yarn).
Does Create Plugin 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 Create Plugin 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 Create Plugin use?
Create Plugin is published under the Apache-2.0 licence (the repository's licence). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Create Plugin use?
About 441 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.
What are the alternatives to Create Plugin?
Skills that share tags, products or a category with Create Plugin: Code Design Rationale Investigator (cursor/plugins, 10k stars), Bump Libdatadog (DataDog/dd-trace-dotnet, 573 stars), Release (DataDog/datadog-go, 375 stars) and Write Changelog (DataDog/dd-trace-rb, 417 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Create Plugin?
DataDog (a GitHub organization, an official publisher) maintains it in DataDog/datadog-ci, which has 161 GitHub stars. The repository holds 2 skills in this directory. The repository was last updated on October 7, 2026.
Source: DataDog/datadog-ci on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.