Skill: OpenCode Tool Authoring

Goal

Design and implement OpenCode tools with correct schemas, execution behavior, and documentation.

Use This Skill When

• You add or modify tool definitions in OpenCode.
• You implement a new custom tool or update tool behavior.
• The task mentions tool schemas, tool execution, or tool registration.

Do Not Use This Skill When

• The change is unrelated to tools or tool execution.
• You are only updating UI or unrelated server logic.

Inputs

• Tool purpose and interface.
• Existing tool definitions and configuration.
• Related protocol constraints (MCP/ACP) if applicable.