Defame1297
ba68b09c87
## Why
skill-author explicitly excludes agent definition files ("Do not use to author
agent definition files"). No factory skill existed to create or improve the
.md / .agent.md files that define Claude Code subagents and Copilot CLI agents
in a plugin, project, or user scope. This fills that gap.
## Implementation Notes
Single-root scaffold convention: new-agent.sh <name> <root> derives both
provider file paths from the root by convention — plugin scope (plugin.json
present) writes both files into <root>/agents/; non-plugin scope writes
.claude/agents/<name>.md and .github/agents/<name>.agent.md. This keeps
input minimal while always generating both provider files. See ADR-0015.
Routing is file-level (not directory-level like skill-author): neither file
exists → create flow; at least one exists → improve flow; scaffold is a
file-by-file no-op so retries are safe.
No companion agent-audit skill — inline validation in the close step covers
the simpler agent field contract. agent-audit is tracked as a follow-on.
## Impact
Closes the skill-author gap for agent definitions. Follow-ons tracked in
Gitea #11: agent-audit skill and --copilot-dest override flag for non-standard
Copilot project paths.
---
ADR: docs/adr/0015-agent-author-dual-provider-scaffold.md
Refs: #10
Co-authored-by: Claude Sonnet 4.6 <noreply@anthropic.com>
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# GitHub Copilot CLI agent definition
# File extension MUST be .agent.md — a plain .md file is not picked up by Copilot.
# Fill in all FILL IN: placeholders. Remove or uncomment optional fields as needed.
name: AGENT_NAME
# Required. Kebab-case identifier. Home-directory version wins on name collision.
description: FILL IN: Action-first description of what this agent does and when to invoke it.
# Required. Used by the runtime for automatic agent selection — quality matters.
# Start with a verb: "Reviews...", "Analyzes...", "Generates..."
# Example: "Reviews pull request diffs for security issues."
# tools: ["read", "search", "edit"]
# Optional. Array of tool names. Omit = all available tools. [] = no tools.
# Copilot tool aliases (use these, not Claude Code names):
# execute — run shell commands (aliases: shell, Bash, powershell)
# read — read file contents (aliases: Read, NotebookRead)
# edit — modify files (aliases: Edit, MultiEdit, Write, NotebookEdit)
# search — search files (aliases: Grep, Glob)
# agent — invoke sub-agents (aliases: custom-agent, Task)
# web — web search and fetch (aliases: WebSearch, WebFetch)
# For MCP tools: "server-name/tool-name" or "server-name/*"
# target: github-copilot
# Optional. Which runtime loads this file.
# vscode — VS Code Copilot only
# github-copilot — Copilot CLI / cloud agents only
# both (default) — loaded by both runtimes
# user-invocable: true
# Optional. Set false to hide from manual invocation (auto-select only).
# disable-model-invocation: false
# Optional. Set true to require explicit user invocation; prevents auto-selection.
# model: claude-sonnet-4-5
# Optional. Model to run this agent on.
# DO NOT include these Claude Code-only fields:
# maxTurns, isolation, memory, permissionMode, effort, hooks, mcpServers
FILL IN: System prompt body. Should match the Claude Code version — the agent's task is the same across providers.
You are a FILL IN: role description. When invoked, FILL IN: primary action.
Inputs
FILL IN: What inputs does this agent expect? (files, context, parameters)
Process
FILL IN: Steps the agent takes. Be specific about ordering if it matters.
Output
FILL IN: What does the agent produce? Format, location, structure.