Api2cli
alexknowshtml/api2cli
Generate a working CLI from any API, then wrap it in a Claude Code skill.
Create new Agent Skills or improve existing ones in an agent-agnostic way.
Install Skill Creator
$ npx skills add micronaut-projects/micronaut-openapi --skill skill-creator -a claude-codeProject install by default; add -g for ~/.claude/skills/.
$ gh skill install micronaut-projects/micronaut-openapi skill-creator --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/micronaut-projects/micronaut-openapi.git skills-src && mkdir -p .claude/skills && cp -r skills-src/.agents/skills/skill-creator .claude/skills/skill-creator && 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 "skill-creator" agent skill from https://github.com/micronaut-projects/micronaut-openapi/tree/7.3.x/.agents/skills/skill-creator into .claude/skills/skill-creator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-creator", 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/micronaut-projects/micronaut-openapi/tree/7.3.x/.agents/skills/skill-creatorType 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 micronaut-projects/micronaut-openapi --skill skill-creator -a codexProject install goes to .agents/skills/; add -g for ~/.codex/skills/.
$ gh skill install micronaut-projects/micronaut-openapi skill-creator --agent codexProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/micronaut-projects/micronaut-openapi.git skills-src && mkdir -p .agents/skills && cp -r skills-src/.agents/skills/skill-creator .agents/skills/skill-creator && rm -rf skills-srcUse ~/.agents/skills/ instead of .agents/skills for a personal install.
Codex skills documentation · loads skills from .agents/skills/
Install the "skill-creator" agent skill from https://github.com/micronaut-projects/micronaut-openapi/tree/7.3.x/.agents/skills/skill-creator into .agents/skills/skill-creator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-creator", 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 micronaut-projects/micronaut-openapi --skill skill-creator -a cursorProject install goes to .agents/skills/; add -g for ~/.cursor/skills/.
$ gh skill install micronaut-projects/micronaut-openapi skill-creator --agent cursorProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/micronaut-projects/micronaut-openapi.git skills-src && mkdir -p .cursor/skills && cp -r skills-src/.agents/skills/skill-creator .cursor/skills/skill-creator && 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 "skill-creator" agent skill from https://github.com/micronaut-projects/micronaut-openapi/tree/7.3.x/.agents/skills/skill-creator into .cursor/skills/skill-creator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-creator", 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/micronaut-projects/micronaut-openapi.git --path .agents/skills/skill-creator--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 micronaut-projects/micronaut-openapi --skill skill-creator -a gemini-cliProject install goes to .agents/skills/; add -g for ~/.gemini/skills/.
$ gh skill install micronaut-projects/micronaut-openapi skill-creator --agent gemini-cliProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/micronaut-projects/micronaut-openapi.git skills-src && mkdir -p .gemini/skills && cp -r skills-src/.agents/skills/skill-creator .gemini/skills/skill-creator && 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 "skill-creator" agent skill from https://github.com/micronaut-projects/micronaut-openapi/tree/7.3.x/.agents/skills/skill-creator into .gemini/skills/skill-creator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-creator", 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 micronaut-projects/micronaut-openapi skill-creatorInstalls 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 micronaut-projects/micronaut-openapi --skill skill-creator -a github-copilotProject install goes to .agents/skills/; add -g for ~/.copilot/skills/.
$ git clone --depth 1 https://github.com/micronaut-projects/micronaut-openapi.git skills-src && mkdir -p .github/skills && cp -r skills-src/.agents/skills/skill-creator .github/skills/skill-creator && 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 "skill-creator" agent skill from https://github.com/micronaut-projects/micronaut-openapi/tree/7.3.x/.agents/skills/skill-creator into .github/skills/skill-creator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-creator", 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 micronaut-projects/micronaut-openapi --skill skill-creator -a opencodeOpenCode documents no install command of its own. Project install goes to .agents/skills/; add -g for ~/.config/opencode/skills/.
$ gh skill install micronaut-projects/micronaut-openapi skill-creator --agent opencodeProject scope by default (.agents/skills/); add --scope user for a personal install.
$ git clone --depth 1 https://github.com/micronaut-projects/micronaut-openapi.git skills-src && mkdir -p .opencode/skills && cp -r skills-src/.agents/skills/skill-creator .opencode/skills/skill-creator && 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 "skill-creator" agent skill from https://github.com/micronaut-projects/micronaut-openapi/tree/7.3.x/.agents/skills/skill-creator into .opencode/skills/skill-creator/ in this project. Copy the whole folder (SKILL.md and every file beside it), keep the folder name "skill-creator", 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
skill-creator- GitHub stars
- 114
- Token cost
- ~1.2k tokens
- SKILL.md length
- 567 words
- Files
- 4 (incl. references)
- Skills in repo
- 7
- Repo updated
- First seen
- Licence
- MIT
At a glance
Create new Agent Skills or improve existing ones in an agent-agnostic way.
- Works in 7 steps: Identify intent and scope → Gather concrete examples → Design the skill anatomy → …
- Users ask to build
- SKILL.md covers Objectives, Workflow, Agent-Agnostic Rules and Safety and integrity, plus 2 more sections
- Calls npx
What it does
Skill Creator is an agent skill from micronaut-projects/micronaut-openapi. Create new Agent Skills or improve existing ones in an agent-agnostic way. Use when users ask to build, refactor, validate, or package skills compatible with the Agent Skills specification and the skills CLI ecosystem.
Its SKILL.md is about 1.2k tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files, including reference files (for example `references/research-synthesis.md`, `references/spec-checklist.md` and `references/templates.md`). Compatibility notes: Compatible with Agent Skills spec and skill directories such as .agents/skills or equivalent agent-specific skill paths.
It sits in Agent Workflows, covering Skill authoring and OpenAPI specifications. It works with OpenAPI. The repository describes itself as: Generates OpenAPI / Swagger Documentation for Micronaut projects. The licence is MIT.
When your agent uses it
- Users ask to build
- Package skills compatible with the Agent Skills specification and the skills CLI ecosystem
Example prompts
- “/skill-creator”
Requirements
- Node.js
- Compatibility (from SKILL.md): Compatible with Agent Skills spec and skill directories such as .agents/skills or equivalent agent-specific skill paths.
Workflow steps
7 steps, taken from the step headings in SKILL.md.
What it can do on your machine
Read from SKILL.md and the folder at commit 4877fd7. 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:
npx
From the folder's file list and the shell code blocks in SKILL.md.
Network
No URLs in SKILL.md. Its commands use npx, 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.
Compatibility
Compatible with Agent Skills spec and skill directories such as .agents/skills or equivalent agent-specific skill paths.
From compatibility in the SKILL.md frontmatter.
Context cost
Skill Creator loads about 1.2k tokens when it runs, and up to ~2.4k if it reads all its reference files. Until then it costs about 58 tokens; SKILL.md has 567 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 micronaut-projects/micronaut-openapi at commit 4877fd7, republished under its MIT licence (© micronaut-projects). 567 words, ~1,214 tokens.
Download SKILL.mdSave it as
.claude/skills/skill-creator/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.- name
- skill-creator
- description
- Create new Agent Skills or improve existing ones in an agent-agnostic way. Use when users ask to build, refactor, validate, or package skills compatible with the Agent Skills specification and the skills CLI ecosystem.
- compatibility
- Compatible with Agent Skills spec and skill directories such as .agents/skills or equivalent agent-specific skill paths.
- license
- MIT
- metadata.author
- local
- metadata.version
- 1.0.0
Skill Creator
Create and refine skills that work across agents implementing the Agent Skills specification.
Use imperative instructions. Keep the process deterministic where possible. Keep the skill output portable.
Objectives
- Produce a valid skill with a correct
SKILL.mdfrontmatter and useful body instructions. - Keep the skill agent-agnostic unless the user explicitly requests agent-specific behavior.
- Apply progressive disclosure so only essential content stays in
SKILL.md. - Validate structure and naming before declaring completion.
Workflow
1) Identify intent and scope
Determine whether the user wants one of these outcomes:
- New skill from scratch
- Update an existing skill
- Improve trigger quality (
descriptiontuning) - Add reusable resources (
scripts/,references/,assets/)
Extract known constraints from conversation context first. Only ask for missing details that materially change implementation.
2) Gather concrete examples
Collect at least 2 realistic user prompts that should trigger the target skill. Also collect at least 2 near-miss prompts that should not trigger it.
Use these examples to decide:
- Required workflow steps
- Output format expectations
- Edge cases to handle
- Whether deterministic scripts are needed
3) Design the skill anatomy
Create a minimal structure first:
<skill-name>/
└── SKILL.mdAdd optional directories only when justified:
scripts/for deterministic or repeated operationsreferences/for detailed docs, schemas, and long proceduresassets/for templates and static resources used in outputs
4) Author SKILL.md frontmatter
Set required fields:
name: lowercase, digits, hyphens; matches folder namedescription: what the skill does and when to use it
Common optional fields include license, compatibility, metadata, and allowed-tools. Additional frontmatter keys (for example, MCP or tooling configuration) are allowed when supported by the Agent Skills spec/validator, and may be nested under metadata when appropriate.
Description guidance:
- Include both capability and trigger cues
- Avoid vague phrases like "helps with X"
- Prefer concrete contexts and user-language synonyms
5) Author SKILL.md body
Structure the body for execution, not marketing:
- Goal and success criteria
- Step-by-step operating procedure
- Input/output expectations
- Error handling and edge cases
- Examples
- Validation checklist
Write in imperative style. Explain why non-obvious constraints matter.
Show full SKILL.md (231 more words)Show less
6) Apply progressive disclosure
Keep SKILL.md concise. Move large or specialized content into references/ and link to it from SKILL.md.
If the skill spans multiple variants, separate variant details into dedicated reference files and keep variant-selection logic in SKILL.md.
7) Validate and harden
Run a final compatibility pass:
- Frontmatter parses as valid YAML
namecomplies with spec constraints and folder matchdescriptionis explicit about trigger contexts- Relative file references resolve
- Optional scripts are executable and documented
- Language is agent-neutral and avoids vendor lock-in
If skills-ref is available, run:
skills-ref validate ./<skill-name>If the skills CLI is available, verify discovery from the repo root:
npx skills listAgent-Agnostic Rules
- Do not require a specific model vendor or proprietary UI affordance.
- Do not rely on agent-only file paths when portable paths exist.
- Do not reference unavailable tools as mandatory.
- Prefer open, portable commands and plain Markdown guidance.
Safety and integrity
- Refuse to create skills intended for malware, exploitation, data exfiltration, or unauthorized access.
- Keep behavior aligned with user intent; avoid hidden actions.
Completion criteria
A skill-creation task is complete only when all are true:
- Skill folder exists in the requested location.
SKILL.mdis valid and complete.- Optional resources are present only if needed.
- Validation checks pass or limitations are explicitly reported.
References
- See
references/spec-checklist.mdfor implementation rules distilled from the spec. - See
references/templates.mdfor copy-ready scaffolds. - See
references/research-synthesis.mdfor design rationale from cross-source research.
© micronaut-projects, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file
Files
SKILL.md and 3 other files (references) in .agents/skills/skill-creator of micronaut-projects/micronaut-openapi.
- SKILL.md
- references/research-synthesis.md
- references/spec-checklist.md
- references/templates.md
Open the folder on GitHubat commit 4877fd7
Used in 2 other repositories
We found 2 copies of this SKILL.md (exact, near-identical or edited) in other folders. This page covers the copy in micronaut-projects/micronaut-openapi, which our catalogue first saw on October 7, 2026.
Compare with similar skills
Skill Creator 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 |
|---|---|---|---|---|---|---|
| Skill Creator this skillmicronaut-projects/micronaut-openapi | 114 | — | ~1.2k | Automated safety check: Pass | MIT | |
| Api2clialexknowshtml/api2cli | 455 | — | ~2.9k | Automated safety check: Pass | MIT | |
| Tasksgenkovich/sdd | 171 | — | ~4.8k | Automated safety check: Pass | MIT | |
| MCP Server Builderalirezarezvani/claude-skills | 28k | — | ~985 | Automated safety check: Pass | MIT | |
| CLI MCP DocsChatbotXIO/ChatbotX | 879 | — | ~1.3k | Automated safety check: Pass | Custom licence | |
| MCP Server Builderborghei/Claude-Skills | 881 | — | ~1.9k | Automated safety check: Pass | MIT |
Similar skills
Tasks
genkovich/sdd
A skill your agent uses to break a designed feature into atomic, ≤1-day tasks with a dependency graph, a per-task Definition of Done, and a machine-readable tasks.json that the implement engine…
MCP Server Builder
alirezarezvani/claude-skills
Design and ship production-ready MCP (Model Context Protocol) servers from OpenAPI contracts instead of hand-written tool wrappers.
CLI MCP Docs
ChatbotXIO/ChatbotX
Use after adding, renaming, or removing a public oRPC procedure, or after changing an operation's MCP visibility.
MCP Server Builder
borghei/Claude-Skills
Build MCP (Model Context Protocol) servers with tool definitions, resource providers, prompt templates, and transports.
Kingdee MCP Dev
WaHaiLong/KingdeeMCP
Knowledge base for the Kingdee MCP Dev Squad. An agent skill from WaHaiLong/KingdeeMCP.
More from micronaut-projects/micronaut-openapi
Agent Md Refactor
micronaut-projects/micronaut-openapi
Refactor oversized agent instruction files into a progressive-disclosure structure.
Docs
micronaut-projects/micronaut-openapi
Write and maintain Micronaut Framework module guides for micronaut-projects repositories.
Gradle
micronaut-projects/micronaut-openapi
Execute Gradle maintainer operations for Micronaut repositories using micronaut-build internals and modern Gradle best practices.
Guides
micronaut-projects/micronaut-openapi
Create or update standalone Micronaut Guides in micronaut-projects/micronaut-guides, including topic discovery, guide authoring, validation, PDF export, and pull request handoff.
Coding
micronaut-projects/micronaut-openapi
Implement and review Java code changes for Micronaut framework repositories using maintainer standards, including JSpecify null-safety conventions.
Micronaut Sourcegen
micronaut-projects/micronaut-openapi
Add, integrate, or review Micronaut Sourcegen usage in modules that generate Java source, Kotlin source, Groovy-compatible source, or bytecode from ObjectDef, TypeDef, MethodDef, ExpressionDef…
Related
Works with
Categories
Questions about Skill Creator
What does Skill Creator do?
Create new Agent Skills or improve existing ones in an agent-agnostic way. Skill Creator is an agent skill from micronaut-projects/micronaut-openapi. Create new Agent Skills or improve existing ones in an agent-agnostic way.
When should I use Skill Creator?
Skill Creator fits situations like: users ask to build; package skills compatible with the Agent Skills specification and the skills CLI ecosystem.
How do I install Skill Creator in Claude Code?
Run `npx skills add micronaut-projects/micronaut-openapi --skill skill-creator -a claude-code`. Or copy the skill folder (.agents/skills/skill-creator in micronaut-projects/micronaut-openapi) into .claude/skills/skill-creator in your project. Claude Code loads it when a task matches its description.
How do I install Skill Creator in Codex?
Run `npx skills add micronaut-projects/micronaut-openapi --skill skill-creator -a codex`. Or copy the skill folder (.agents/skills/skill-creator in micronaut-projects/micronaut-openapi) into .agents/skills/skill-creator in your project. Codex loads it when a task matches its description.
Can I use Skill Creator 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 micronaut-projects/micronaut-openapi --skill skill-creator -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-creator, .gemini/skills/skill-creator, .github/skills/skill-creator and .opencode/skills/skill-creator in your project.
What does Skill Creator need to run?
Going by SKILL.md and its folder, Skill Creator needs the command-line tools its instructions call (npx). Our summary lists: Node.js. Compatibility (from SKILL.md): Compatible with Agent Skills spec and skill directories such as .agents/skills or equivalent agent-specific skill paths..
Does Skill Creator access the network?
SKILL.md contains no URLs. Its commands use npx, which can reach the network depending on how they are called. This is read from the text; nothing was executed.
Is Skill Creator 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 Creator use?
Skill Creator is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.
How many tokens does Skill Creator use?
About 1.2k tokens (SKILL.md is roughly 4.9k 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 1.2k tokens, read only when the agent opens those files.
What are the alternatives to Skill Creator?
Skills that share tags, products or a category with Skill Creator: Api2cli (alexknowshtml/api2cli, 455 stars), Tasks (genkovich/sdd, 171 stars), MCP Server Builder (alirezarezvani/claude-skills, 28k stars) and CLI MCP Docs (ChatbotXIO/ChatbotX, 879 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.
Who maintains Skill Creator?
micronaut-projects (a GitHub organization) maintains it in micronaut-projects/micronaut-openapi, which has 114 GitHub stars. The repository holds 7 skills in this directory. The repository was last updated on October 8, 2026.
Source: micronaut-projects/micronaut-openapi on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.