AgentSkill object (id/name/description/tags/examples) in the AgentCard of the A2A protocol. Internally, it is a reusable capability configuration record on the AI gateway side. The same Skill can be reused by multiple Agent APIs, and a single modification takes effect synchronously.Term | Definition |
Draft | Draft state, visible only to the creator, cannot be published to Hub, and cannot be associated with Agents. |
Online. | Published state, can be associated with Agents; whether it is displayed in SkillHub is determined by the publishing status. |
Offline. | Offline state, cannot be associated with new Agents; existing associated Agents are retained but a warning is displayed. |
Current Version | Version corresponding to the Skill master record, that is, the latest effective content. |
Historical Versions | Only one entry is retained, which is the snapshot of the previous version before the current version changes. |
SKILL.md.Parameter Name | Required | Value Range/Default Value | Description |
Skill name | Yes | Up to 64 characters | Display name, for example, "TAPD-Test". |
Description | Yes | Up to 255 characters | Describes the capability in one sentence. Written to AgentCard skills[].description and visible externally. |
Tags | Yes | Up to 5 tags, each up to 20 characters | Must be unique. Written to AgentCard skills[].tags. Supports adding by pressing Enter, comma, or space. Displayed as chips. Click × to delete. |
Examples | No | Up to 10 entries, each up to 512 characters | Usage examples. Written to AgentCard skills[].examples. Click Add Example to add a new row. |
Parameter Name | Required | Value Range | Description |
Skill file (.zip) | No | Only the .zip format is supported. | Supports drag-and-drop or click-to-upload. After upload, the system automatically parses the metadata (name/description/tag) in SKILL.md and fills it back into the fields above. The system only fills in empty fields and does not overwrite existing content. |
Sheet | Content |
Basic Information | Skill ID, name, description, Tags, Examples, current version, status, creator, creation/update time, version history |
Operation | Prerequisite | Result |
Go online. | Currently in draft or offline state. | Online. |
Go offline. | Currently online and not bound to any Agent. | Offline. If the skill has been published to Hub, the publication is automatically canceled in the same operation. |
Publish to Hub | Currently online. | After publishing, the Skill will be visible to all users and can be browsed and downloaded in SkillHub. |
Remove from Hub | Currently online and published to Skillhub. | After removal, the Skill is visible only to you, and other users cannot see it in SkillHub. |
Field | Description |
Version number. | Format x.y.z or system timestamp. Must not duplicate an existing version. |
Creator/Creation Time | Original creator and time of the version snapshot |
Current or Not | Indicates whether it is the currently effective version. |
Skill Current Status | Agent Details Page Display |
Online. | Normal |
Offline. | Orange warning: "This Skill is offline. It is recommended to replace it." |
Deleted | Red warning: "This Skill has been deleted. Please reconfigure it." |
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