skills/brief/SKILL.md
Write a brief.md capturing context (scope changes, decisions, conclusions) for a plan or task. General mechanism for any context transfer — most common use is briefing a worktree task. Triggers: "brief this", "write a brief", "/brief <slug>", "brief a worktree", "transfer context to worktree".
npx skillsauth add ddaanet/agent-core briefInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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Write a context brief for a task in another worktree. Captures scope changes, design decisions, and discussion conclusions that the worktree agent needs before starting work.
/brief <slug-or-plan-name>
Resolve argument to plan directory. Check plans/<arg>/ exists. If not, match against worktree slugs in session.md Worktree Tasks section (→ <slug>) and derive the plan name from the task's metadata.
Compose brief from conversation context. Extract scope changes, design decisions, and discussion conclusions relevant to the target task. Dense, essential facts only — the consumer agent is intelligent.
Append timestamped H2 entry to plans/<plan>/brief.md (create file if needed). Do not overwrite existing content — briefs accumulate.
No auto-commit. The brief is included in the next hc cycle.
## YYYY-MM-DD: <topic summary>
<context — scope changes, decisions, conclusions>
Worktree agents read plans/<plan>/brief.md during task pickup (see execute-rule.md "Task Pickup" section). No manual action needed — the brief is automatically surfaced when the target task starts.
development
Verify a Python function against its intended behavior by writing an icontract contract and checking it with `edify check` (CrossHair), repairing in a loop. Triggers on "formalize", "verify this function", "add a contract and check it", or after writing a function whose correctness matters. The in-context agent holds intent and asks the user when behavior is ambiguous; CrossHair owns the deduction.
tools
Manage git worktrees for parallel task execution. Triggers on "create a worktree", "set up parallel work", "merge a worktree", "branch off a task", or uses the `wt`, `wt merge`, or `wt-rm` shortcuts. Worktree lifecycle: creation, focused sessions, merge ceremony, cleanup, parallel task setup.
testing
Recall behavioral knowledge from project decisions. Triggers on "when to do X", situational patterns, or decision content for recognized situations. Invoke with "/when <trigger>".
tools
Sync edify fragments and portable justfile to match the current plugin version. Detects user-edited files and warns instead of overwriting. Use --force to overwrite conflicts.