Thread Spawner Skill

Spawn and manage threads on a running claude-threads orchestrator. Enables parallel execution of epics, stories, or any tasks from within a Claude Code session.

When to Use

• Spawn parallel threads for epics/stories during BMAD workflow
• Create background tasks from current Claude Code session
• Coordinate multiple Claude Code instances
• Run parallel implementations with isolated git worktrees

Prerequisites

1. API Server Running: The orchestrator API must be running

``bash ct api start --token <your-token> ``

1. Environment Variable: Set the API token

``bash export CTAPITOKEN=<your-token> ``

Quick Start

Connect to Orchestrator

# Auto-discover running orchestrator
ct remote discover

# Or connect explicitly
ct remote connect localhost:31337 --token $CT_API_TOKEN

# Check connection status
ct remote status

Spawn Threads

Note: Remote threads ALWAYS use isolated git worktrees by default.

# Basic spawn (creates worktree automatically for remote)
ct spawn epic-7a --template bmad-developer.md

# Spawn with custom worktree base branch
ct spawn epic-7a --template bmad-developer.md --worktree-base develop

# Spawn with custom context
ct spawn story-123 --template developer.md --context '{"story_id":"123","title":"Add login"}'

# Spawn and wait for completion
ct spawn fix-ci --template fixer.md --wait

Multiple Parallel Threads

# Spawn multiple epics in parallel
ct spawn epic-7a --template bmad-developer.md --worktree --context '{"epic_id":"7A"}'
ct spawn epic-8a --template bmad-developer.md --worktree --context '{"epic_id":"8A"}'
ct spawn epic-9a --template bmad-developer.md --worktree --context '{"epic_id":"9A"}'

Commands Reference

Remote Connection

Spawn

ct spawn <name> [options]

Use Cases

1. Parallel Epic Implementation (BMAD)

When the orchestrator assigns multiple epics, spawn them in parallel:

# Connect to orchestrator
ct remote connect localhost:31337 --token $CT_API_TOKEN

# Read epic assignments from artifacts
for epic_id in 7A 8A 9A; do
    ct spawn "epic-${epic_id}" \
        --template bmad-developer.md \
        --worktree \
        --worktree-base develop \
        --context "{\"epic_id\":\"${epic_id}\"}"
done

2. CI Fix Spawning

When CI fails, spawn a fixer thread:

ct spawn ci-fix-pr-123 \
    --template bmad-fixer.md \
    --worktree \
    --context '{"pr_number":"123","failure":"test:lint"}'

3. Story Implementation

Spawn threads for individual stories:

ct spawn story-add-logout \
    --template developer.md \
    --context '{"story_title":"Add logout button","acceptance_criteria":["Button in header","Clears session"]}'

4. Monitoring Spawned Threads

# List all threads
ct thread list

# Check specific thread status
ct thread status <thread-id>

# View thread logs
ct thread logs <thread-id>

Environment Variables

Architecture

External Claude Code Instance
     │
     ├── ct remote connect ──────────┐
     │                               │
     └── ct spawn ───────────────────┤
                                     │
                                     ▼
                           ┌─────────────────┐
                           │   API Server    │
                           │  (port 31337)    │
                           └────────┬────────┘
                                    │
                                    ▼
                           ┌─────────────────┐
                           │   Orchestrator  │
                           │   (threads.db)  │
                           └────────┬────────┘
                                    │
            ┌───────────────────────┼───────────────────────┐
            ▼                       ▼                       ▼
    ┌───────────────┐      ┌───────────────┐      ┌───────────────┐
    │   Thread 1    │      │   Thread 2    │      │   Thread 3    │
    │  (worktree)   │      │  (worktree)   │      │  (worktree)   │
    └───────────────┘      └───────────────┘      └───────────────┘

Security

• All API requests require Authorization: Bearer <token> header
• Token is stored in .claude-threads/remote.json after connecting
• Token can be set via CTAPITOKEN or --token flag
• API server binds to localhost by default

See Also

• [MULTI-INSTANCE.md](../../docs/MULTI-INSTANCE.md) - Full multi-instance documentation
• [threads.md](../../commands/threads.md) - Thread command reference
• [thread-orchestrator](../thread-orchestrator/SKILL.md) - Orchestrator skill