polyphony
Multi-agent orchestration with container-isolated workspaces — each agent session runs in its own Docker container with independent git branches
What this skill does
# Polyphony — Multi-Agent Orchestration
Container-isolated workspaces for parallel agent execution. Each agent gets its own Docker container with a full git clone on its own branch. No conflicts, independent tests, clean PRs.
---
## Architecture (6 Layers)
1. **Work Source** — Tasks from GitHub Issues (`gh api`) or local SQLite queue
2. **Orchestrator** — Supervisor loop: discover -> claim -> route -> provision -> run -> verify -> land
3. **Router** — Pure function: Task x Policy -> RunSpec (5-dimension complexity scoring)
4. **Identity Broker** — Resolves named credentials to volume mounts + env overlays
5. **Workspace Manager** — Per-task `git clone --reference`, branch checkout, cleanup
6. **Worker Runtime** — Docker container create/start/stop/logs lifecycle
---
## Task Lifecycle
```
DISCOVERED -> CLAIMED -> ROUTED -> PROVISIONED -> RUNNING -> VERIFYING -> LANDED
| |
v v
FAILED --> BLOCKED
|
v
CLAIMED (retry)
```
---
## Prerequisites
- Docker or OrbStack installed and running
- At least one agent CLI available (Claude, Codex, or Kimi)
- CLI subscriptions configured (not API keys)
Check:
```bash
command -v docker &>/dev/null || command -v orbctl &>/dev/null
```
---
## Configuration
All config lives in `~/.polyphony/`:
| File | Purpose |
|------|---------|
| `config.yaml` | Workspace root, poll interval, max concurrency |
| `identities.yaml` | Named credential bundles with volume paths |
| `agents.yaml` | Agent profiles (CLI commands, strengths) |
| `routing.yaml` | Routing rules and fallback chains |
Initialize with: `polyphony init`
---
## Routing Rules
Rules are evaluated top-down; first match wins. Each rule has a `match` predicate and an `agent` target.
```yaml
rules:
- match: { task_type: docs, risk: low }
agent: kimi
- match: { task_type: bugfix }
agent: codex
- match: { risk: high }
agent: claude
default:
agent: claude
fallback: [codex, kimi]
```
---
## Complexity Scoring (5 Dimensions)
Each dimension scores 0-2. Total 0-10.
| Dimension | Source |
|-----------|--------|
| Cyclomatic depth | LOC + scope size |
| Fan-out | Number of callers |
| Security boundary | Auth/PII keywords |
| Concurrency | Lock/transaction keywords |
| Domain invariants | Risk level + task type |
Routing thresholds:
- **0-3**: Delegate to Kimi solo
- **4-6**: Kimi + Codex review
- **7-10**: Claude direct
---
## Container Isolation
Each task gets:
- Its own Docker container from `polyphony-worker:latest`
- A full git clone at `/workspace` (not a worktree)
- Auth volumes mounted read-only (e.g., `~/.claude:/home/worker/.claude:ro`)
- Independent test execution
- Its own branch for PRs
---
## CLI Commands
```bash
polyphony init # Create ~/.polyphony/ with config templates
polyphony spawn "Fix auth bug" # Create and route a task
polyphony status # Show task states
polyphony cleanup # Remove completed workspaces
```
---
## Integration with Existing Skills
- **cross-agent-delegation**: Uses Polyphony's complexity scoring for routing decisions
- **agent-teams**: Uses Polyphony's workspace isolation instead of shared directories
- **spawn-team**: Uses Polyphony's container provisioning for feature agents
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