skill-creator

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Create or update a Codex skill with appropriately scoped instructions and any needed supporting resources.

codex-rs/skills/src/assets/samples/skill-creator/SKILL.md

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references/openai_yaml.md

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# openai.yaml fields (full example + descriptions) `agents/openai.yaml` is an extended, product-specific config intended for the machine/harness to read, not the agent. Other product-specific config can also live in the `agents/` folder. ## Full example ```yamlinterface:  display_name: "Optional user-facing name"  short_description: "Optional user-facing description"  icon_small: "./assets/small-400px.png"  icon_large: "./assets/large-logo.svg"  brand_color: "#3B82F6"  default_prompt: "Optional surrounding prompt to use the skill with" dependencies:  tools:    - type: "mcp"      value: "github"      description: "GitHub MCP server"      transport: "streamable_http"      url: "https://api.githubcopilot.com/mcp/" policy:  allow_implicit_invocation: true``` ## Field descriptions and constraints Top-level constraints: - Quote all string values.- Keep keys unquoted.- For `interface.default_prompt`: generate a helpful, short (typically 1 sentence) example starting prompt based on the skill. It must explicitly mention the skill as `$skill-name` (e.g., "Use $skill-name-here to draft a concise weekly status update."). - `interface.display_name`: Human-facing title shown in UI skill lists and chips.- `interface.short_description`: Human-facing short UI blurb (25–64 chars) for quick scanning.- `interface.icon_small`: Path to a small icon asset (relative to skill dir). Default to `./assets/` and place icons in the skill's `assets/` folder.- `interface.icon_large`: Path to a larger logo asset (relative to skill dir). Default to `./assets/` and place icons in the skill's `assets/` folder.- `interface.brand_color`: Hex color used for UI accents (e.g., badges).- `interface.default_prompt`: Default prompt snippet inserted when invoking the skill.- `dependencies.tools[].type`: Dependency category. Only `mcp` is supported for now.- `dependencies.tools[].value`: Identifier of the tool or dependency.- `dependencies.tools[].description`: Human-readable explanation of the dependency.- `dependencies.tools[].transport`: Connection type when `type` is `mcp`.- `dependencies.tools[].url`: MCP server URL when `type` is `mcp`.- `policy.allow_implicit_invocation`: When false, the skill is not injected into  the model context by default, but can still be invoked explicitly via `$skill`.  Defaults to true. 
Referenced from SKILL.md