gregoryho/arc-implementing
skills/arc-implementing/SKILL.md
Use when orchestrating large project implementation in a worktree
$ install --global
skillsauthnpx skillsauth add gregoryho/arcforge arc-implementingInstall this skill globally with one command. Works with Claude Code, Cursor, and Windsurf.
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SKILL.md
- name:
- arc-implementing
- description:
- Use when orchestrating large project implementation in a worktree
arc-implementing
Overview
Orchestrator for large projects. Automatically expands epic → features → tasks → execution.
Use when:
- project has
specs/<spec-id>/dag.yaml - in a worktree session (
.arcforge-epicmarker carries both epic and spec_id) specs/<spec-id>/epics/<epic-id>/epic.mdorspecs/<spec-id>/epics/<epic-id>/features/*.mdpresent
Do not use when:
- small projects (use writing-tasks + agent-driven directly)
- tasks without a structured spec
Role
Implementer is the Orchestrator. It calls other skills and does not write code itself.
Trigger
- in a worktree session
.arcforge-epicmarker exists (supplies bothepicandspec_id)- or
specs/<spec-id>/epics/<epic-id>/epic.md/specs/<spec-id>/epics/<epic-id>/features/*.mdpresent
The Process
- For each epic in the worktree, run the following phases in order.
- Phase 0: Sync and check dependencies.
- Run
arc-coordinatingto sync from base and checkblocked_by. - If
blocked_byis not empty: STOP and use the blocked format. - If ready: continue to Phase 1.
- Run
- Phase 1: Epic → Features.
- Call
arc-writing-tasks - Input:
specs/<spec-id>/epics/<epic-id>/epic.md - Output: features list (may already exist in
specs/<spec-id>/epics/<epic-id>/features/*.md)
- Call
- Phase 2: Per Feature.
- 2a: Feature → Tasks.
- Call
arc-writing-tasks - Input:
specs/<spec-id>/epics/<epic-id>/features/<feature>.md - Output:
docs/tasks/<feature>-tasks.md - Quality gate: If tasks are vague or missing tests/commands, STOP and re-run
arc-writing-tasksto refine. Max 2 refinement cycles — if still vague, escalate to human.
- Call
- 2b: Execute Tasks.
- Call
arc-agent-driven - Input: tasks file
- Output: completed code + commits
- Call
- 2a: Feature → Tasks.
- Phase 3: Feature complete.
- Move to next feature, or finish the epic.
Skills Called
| Phase | Skill | Input | Output |
|-------|-------|-------|--------|
| 0 | arc-coordinating | worktree | sync + blocked status |
| 1 | arc-writing-tasks | specs/<spec-id>/epics/<epic-id>/epic.md | features breakdown |
| 2a | arc-writing-tasks | specs/<spec-id>/epics/<epic-id>/features/<feature>.md | tasks file |
| 2b | arc-agent-driven | tasks file | completed code |
| 2b | arc-dispatching-parallel | (via arc-agent-driven, if review finds multiple issues) | parallel fixes |
| End | arc-finishing-epic | completed epic | merge decision |
What Implementer Does NOT Do
- ❌ Write code directly (delegate to agent-driven)
- ❌ Split tasks manually (delegate to writing-tasks)
- ❌ Perform reviews (handled inside agent-driven)
- ❌ Run TDD cycle (handled inside agent-driven)
Completion Format
─────────────────────────────────────────────────
✅ Epic complete: <epic-name>
Features implemented:
- feature-1: 4 tasks, all passing
- feature-2: 6 tasks, all passing
- feature-3: 3 tasks, all passing
Total: 13 tasks, 0 failures
Commits: 13
Next: Use arc-finishing-epic to decide merge/PR/keep/discard
─────────────────────────────────────────────────
Blocked Format
Dependencies Not Ready
─────────────────────────────────────────────────
⚠️ Implementer blocked: waiting for dependencies
Epic: <epic-name>
Blocked by: <dep-1>, <dep-2>
To resolve:
1. Complete blocking epics first
2. Run `arc-coordinating` sync from base
3. Verify `blocked_by` is empty
Then resume implementer
─────────────────────────────────────────────────
Task Failure
─────────────────────────────────────────────────
⚠️ Implementer blocked
Epic: <epic-name>
Feature: <feature-name>
Task: <task-id>
Issue: [description]
To resolve:
1. [action]
Then resume implementer
─────────────────────────────────────────────────
Integration
- Before: arc-coordinating (creates worktrees), arc-planning (creates DAG)
- Uses: arc-writing-tasks, arc-agent-driven, arc-dispatching-parallel
- After: arc-finishing-epic
Related Skills
gregoryho/arc-auditing-spec
testing
VerifiedTrustedCommunity
Use when the user explicitly invokes `/arcforge:arc-auditing-spec <spec-id>` for a read-only advisory audit of an SDD spec family (design, spec, dag, decision anchors). Only triggered by direct user invocation; never auto-invoked from any pipeline skill.
6SKILL.mdUpdated May 2, 2026
gregoryho/arc-maintaining-obsidian
testing
VerifiedTrustedCommunity
Use when the user wants to create, query, audit, or initialize an Obsidian vault — saving notes/ideas/URLs into it ("save this" / "file this back" included), querying vault knowledge, auditing health (missing links, orphans, drift), ingesting files, or registering vaults. Not for Excalidraw diagrams — use arc-diagramming-obsidian.
6SKILL.mdUpdated Apr 20, 2026
gregoryho/arc-dispatching-teammates
data-ai
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Use when specs/<spec-id>/dag.yaml has 2+ ready epics and the lead is staying present to monitor epic-level parallel work via agent teammates. Trigger on mentions of agent teams/teammates for multi-epic work, or after arc-planning yields multiple ready epics. For walk-away unattended execution, use arc-looping.
6SKILL.mdUpdated Apr 20, 2026
gregoryho/arc-diagramming-obsidian
data-ai
VerifiedTrustedCommunity
Use when the user wants an Excalidraw diagram or any visual representation — architecture, flowchart, mind map — including casual "draw this" / "show me how this works visually". Also use when arc-maintaining-obsidian delegates Synthesis visuals beyond embedded Mermaid.
6SKILL.mdUpdated Apr 20, 2026