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Execute an implementation plan task-by-task with TDD. Reads plan from docs/plans/, creates todos, and builds in batches with continuous quality checks.
Skill Health: not yet scored Listed, not yet scored. This skill has no public model test yet. It is in the scoring queue; submitted skills go first, then the most-installed.
Version history 72 commits to this file on GitHub (newest first).
2026-08-14 · commit
61f551a · docs: deprecate Arc in favour of focused skills
2026-07-28 · commit
c53c857 · fix(arc): behavioural verification sweep — 11 skills cold-run, ~100 defects fixed
2026-07-27 · commit
4007a3f · refactor(arc): unhobble the corpus for Claude 5 and fix 72 coherence defects
2026-07-19 · commit
c97ffb1 · feat(implement): make assurance risk-proportional
2026-07-11 · commit
863de96 · feat(skills): add improve workflow and wire the plan backlog
2026-07-09 · commit
e772acc · feat(skills): adopt harness-engineering practices
2026-07-07 · commit
f114e43 · feat(skills): fix workflow defects and wire ops/db/mastra/release touchpoints
2026-06-09 · commit
1ea1681 · feat(cursor): native plugin manifest; remove arc activity-log feature
2026-06-09 · commit
5042fdb · chore: adopt @howells/lint, apply repo-wide format pass, refresh references and site
2026-06-04 · commit
bd03220 · feat(review): add Mastra agent systems reviewer
2026-05-22 · commit
3ac6f8c · feat(audit): add strict maintainability lens
2026-05-22 · commit
de8c1c2 · refactor: remove progress workflow
2026-05-22 · commit
e32896e · refactor: align implement with feature specs
2026-05-22 · commit
fd30c16 · refactor: remove design workflow from arc
2026-05-22 · commit
f8319b0 · refactor: remove ai workflow from arc
2026-05-22 · commit
f242cd9 · refactor: remove prune agents workflow from arc
2026-05-22 · commit
4523bc0 · refactor: remove rules workflow from arc
2026-05-04 · commit
5e31d06 · refactor: replace ${ARC_ROOT} paths with bare relative paths
2026-05-04 · commit
b026faa · refactor: remove git worktree workflow from Arc
2026-04-16 · commit
0237146 · refactor(plugin): consolidate skills into implement and audit
2026-04-08 · commit
ab91caa · refactor(plugin): remove 5 skills, 10 agents to reduce surface area
2026-04-07 · commit
47549fe · feat(runtime): align Arc skills with full-runtime installs
2026-03-20 · commit
12949d9 · fix: enforce TDD hard gates and require user confirmation before plans
2026-03-16 · commit
33127b0 · feat: add XML task format, plan pre-validation, and auth gates
2026-03-13 · commit
195fd40 · refactor(arc): add AskUserQuestion to implement skill
2026-03-10 · commit
3b18ee3 · refactor(arc): add wireframe and browser fallback guidance
2026-03-10 · commit
2a61627 · refactor(arc): add bootstrap control plane and review loops
2026-02-26 · commit
339a9b8 · feat: add plan-completion-reviewer and trim oversized skills
2026-02-26 · commit
dcb6b5d · feat: add checkpoint taxonomy for implementation plans
2026-02-10 · commit
a26d715 · fix: add closing tool restriction reminders to prevent late plan mode
2026-02-10 · commit
a054670 · fix: ban EnterPlanMode across all structured skills
2026-02-08 · commit
fa7db79 · feat: add workflow diagram to site with frontmatter-driven data
2026-02-08 · commit
2ac7973 · fix: prevent plan mode from hijacking ideate, detail, and implement skills
2026-02-07 · commit
8e38fb8 · chore: add AI SDK 6 skill, rules, and reference; rename llm-engineer to hygiene-engineer
2026-02-07 · commit
dcb21df · chore: add Clerk + WorkOS auth intelligence to rules, references, and agents
2026-02-07 · commit
3d523aa · feat: add Cloudflare Workers rules for edge compute projects
2026-02-07 · commit
90fea0d · chore: overhaul rules — trim verbosity, fill gaps, fix cross-references
2026-02-07 · commit
0d7ee22 · refactor: remove /arc:dedup skill, use duplicate-detector agent directly
2026-02-07 · commit
bab4091 · chore: tune agent model assignments for quality
2026-02-07 · commit
08c2324 · chore: plugin audit — add agent colors, website metadata, and fix gaps
2026-02-07 · commit
a5bbc6a · feat: merge remote architectural changes with local enhancements
2026-02-07 · commit
d373b05 · feat: add website frontmatter to all skills for usearc docs
2026-02-07 · commit
b0d8e17 · feat(implement): strongly recommend review after planning
2026-02-07 · commit
04e1578 · feat(review): distinguish skill recommendations from agent suggestions
2026-02-07 · commit
25d5a8f · refactor: restore detail as internal skill
2026-02-07 · commit
70f3178 · refactor: merge detail into implement
2026-02-07 · commit
64f5925 · feat(agents): add test-runner for vitest execution
2026-02-07 · commit
73435d3 · feat(implement): integrate test agents into build loop
2026-02-07 · commit
96a65ca · feat(test): add 3 specialist test agents and comprehensive test skill
2026-02-07 · commit
741b90b · feat(agents): add build agents with per-task review loop
2026-02-06 · commit
0386a29 · feat(implement): add iterative build-review loops at batch boundaries
2026-02-03 · commit
7a93384 · feat(document): redesign /arc:document as full documentation generation system
2026-01-30 · commit
4070ad2 · refactor: update skills batch 1 to use arc-log reference
2026-01-27 · commit
290e6e2 · fix(skills): inline TDD enforcement so tests actually get written
2026-01-27 · commit
b745a0e · refactor: migrate custom tasklist to built-in Task tools
2026-01-23 · commit
296a5a1 · feat: add worktree skill and proactive AskUserQuestion prompts
2026-01-23 · commit
b76d7c4 · feat: improve skill descriptions, ordering, and tasklist integration
2026-01-23 · commit
c0a15ce · feat: add website frontmatter to all skills and agents
2026-01-23 · commit
ee9996e · refactor: rename agents to pithy -engineer pattern
2026-01-23 · commit
8ce1c5f · refactor: rename agents to pithy -engineer pattern
2026-01-22 · commit
2f5790e · docs: update skills to reference all interface rules
2026-01-22 · commit
42d80bb · docs: update skills to reference all interface rules
2026-01-22 · commit
a11f1c5 · feat: connect interface rules to UI-related skills
2026-01-19 · commit
c08bd5e · feat: add design-quality-reviewer agent and centralize design knowledge
2026-01-17 · commit
d4e29e7 · feat: align skill frontmatter with Vercel agent-skills format
2026-01-17 · commit
e0058a0 · refactor: use explicit Claude tool references instead of bash commands
2026-01-17 · commit
22b0b5a · feat: add /arc:audit, /arc:progress and replace episodic memory
2026-01-17 · commit
19237e7 · docs: clarify ideate→detail→review→implement flow
2026-01-17 · commit
5d64467 · feat: add /arc:rules skill and integrate coding standards
2026-01-15 · commit
bc9a0e6 · fix: use arc:design instead of generic frontend-design skill
2026-01-15 · commit
f9bec22 · fix: use ${CLAUDE_PLUGIN_ROOT} for all internal references
2026-01-15 · commit
c9b88a8 · refactor: restructure skills for /arc:* namespace
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