Team Coordination Skill

Purpose: Enable multiple Claude Code sessions across a team to coordinate and work together without conflicts. Manages shared state, todo claiming, decision syncing, and session awareness.

Core Philosophy

┌─────────────────────────────────────────────────────────────────┐
│  TEAM CLAUDE CODE                                               │
│  ─────────────────────────────────────────────────────────────  │
│  Multiple devs, multiple Claude sessions, one codebase.         │
│  Coordination > Speed. Communication > Assumptions.             │
│                                                                 │
│  Before you start: Check who's working on what.                 │
│  Before you claim: Make sure nobody else has it.                │
│  Before you decide: Check if it's already decided.              │
│  Before you push: Pull and sync state.                          │
└─────────────────────────────────────────────────────────────────┘

Team State Structure

When a project becomes multi-person, create this structure:

_project_specs/
├── team/
│   ├── state.md              # Who's working on what right now
│   ├── contributors.md       # Team members and their focus areas
│   └── handoffs/             # Notes when passing work to others
│       └── [feature]-handoff.md
├── session/
│   ├── current-state.md      # YOUR session state (personal)
│   ├── decisions.md          # SHARED - architectural decisions
│   └── code-landmarks.md     # SHARED - important code locations
└── todos/
    ├── active.md             # SHARED - with claim annotations
    ├── backlog.md            # SHARED
    └── completed.md          # SHARED

Team State File

_project_specs/team/state.md:

# Team State

*Last synced: [timestamp]*

## Active Sessions

| Contributor | Working On | Started | Files Touched | Status |
|-------------|------------|---------|---------------|--------|
| @alice | TODO-042: Add auth | 2024-01-15 10:30 | src/auth/* | 🟢 Active |
| @bob | TODO-038: Fix checkout | 2024-01-15 09:00 | src/cart/* | 🟡 Paused |
| - | - | - | - | - |

## Claimed Todos

| Todo | Claimed By | Since | ETA |
|------|------------|-------|-----|
| TODO-042 | @alice | 2024-01-15 | Today |
| TODO-038 | @bob | 2024-01-14 | Tomorrow |

## Recently Completed (Last 48h)

| Todo | Completed By | When | PR |
|------|--------------|------|-----|
| TODO-037 | @alice | 2024-01-14 | #123 |

## Conflicts to Watch

| Area | Contributors | Notes |
|------|--------------|-------|
| src/auth/* | @alice, @carol | Carol needs auth for TODO-045, coordinate |

## Announcements

- [2024-01-15] @alice: Refactoring auth module, avoid touching until EOD
- [2024-01-14] @bob: New env var required: STRIPE_WEBHOOK_SECRET

Contributors File

_project_specs/team/contributors.md:

# Contributors

## Team Members

| Handle | Name | Focus Areas | Timezone | Status |
|--------|------|-------------|----------|--------|
| @alice | Alice Smith | Backend, Auth | EST | Active |
| @bob | Bob Jones | Frontend, Payments | PST | Active |
| @carol | Carol White | DevOps, Infra | GMT | Part-time |

## Ownership

| Area | Primary | Backup | Notes |
|------|---------|--------|-------|
| Authentication | @alice | @bob | All auth changes need @alice review |
| Payments | @bob | @alice | Stripe integration |
| Infrastructure | @carol | @alice | Deploy scripts, CI/CD |
| Database | @alice | @carol | Migrations need sign-off |

## Communication

- Slack: #project-name
- PRs: Always tag area owner for review
- Urgent: DM on Slack

## Working Hours Overlap

EST: |████████████████████| PST: | ████████████████████| GMT: |████████████| 6am 12pm 6pm 12am EST

Best overlap: 9am-12pm EST (all three)

Workflow

Starting a Session

┌─────────────────────────────────────────────────────────────────┐
│  START SESSION CHECKLIST                                        │
│  ─────────────────────────────────────────────────────────────  │
│  1. git pull origin main                                        │
│  2. Read _project_specs/team/state.md                           │
│  3. Check claimed todos - don't take what's claimed             │
│  4. Claim your todo in active.md                                │
│  5. Update state.md with your session                           │
│  6. Push state changes before starting work                     │
│  7. Start working                                               │
└─────────────────────────────────────────────────────────────────┘

Claiming a Todo

In active.md, add claim annotation:

## [TODO-042] Add email validation

**Status:** in-progress
**Claimed:** @alice (2024-01-15 10:30 EST)
**ETA:** Today

...

During Work

• Update state.md if you touch new files
• Check decisions.md before making architectural choices
• If you make a decision, add it to decisions.md immediately
• Push state updates every 1-2 hours (keeps team in sync)

Ending a Session

┌─────────────────────────────────────────────────────────────────┐
│  END SESSION CHECKLIST