SkillMetadata

Tool names the skill recommends using.

Warning: this is experimental.

Constraints per Agent Skills specification:

• Space-delimited list of tool names

Environment requirements.

Constraints per Agent Skills specification:

• 1-500 characters if provided
• Should only be included if there are specific compatibility requirements
• Can indicate intended product, required packages, etc.

What the skill does.

Constraints per Agent Skills specification:

• 1-1024 characters
• Should describe both what the skill does and when to use it
• Should include specific keywords that help agents identify relevant tasks

License name or reference to bundled license file.

Arbitrary key-value mapping for additional metadata.

Clients can use this to store additional properties not defined by the spec.

It is recommended to keep key names unique to avoid conflicts.

Path to a JS/TS entrypoint file for a QuickJS REPL module, relative to the skill directory.

Skill identifier.

Constraints per Agent Skills specification:

• 1-64 characters
• Unicode lowercase alphanumeric and hyphens only (a-z and -).
• Must not start or end with -
• Must not contain consecutive --
• Must match the parent directory name containing the SKILL.md file

Path to the SKILL.md file in the backend