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codewhale-dsh

DeepSeek Harness says: everything is a plugin. So DSH itself can be one too.

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It doesn't leave its own waters. Inside codewhale, DSH swims in as another whale — its own engine, its own plugin ecosystem (358+ community plugins), its own temperament, sharing the same terminal and the same ledger.

Dispatch work, watch progress, collect results, answer its calls for help — one ledger, all inside your codewhale session.

Why

DSH ecosystem bridges all point one way (tool → DSH). This project points the other way:

DSH → codewhale. Not a guest UI, not a borrowed toolset — a full agent with its own plugin tree, running alongside yours.

How it works

┌────────────────────────────────────────────────────┐
│ codewhale TUI        your daily · your ledger       │
│        │ MCP (mcp.json)                            │
│        ▼                                           │
│ dsh-bridge            FastMCP thin shell           │
│   tools: dsh_init · dsh_status                     │
│          dsh_read  · dsh_cancel                    │
│   board: task_board.json  (single-writer machine)  │
│        │ spawn                                     │
│        ▼                                           │
│ DSH headless          its own engine & plugins     │
└────────────────────────────────────────────────────┘

The bridge translates protocols only — no agent logic, no decisions. The board is the single source of truth; the DSH process is the only worker.

Tools

Tool	What it does
dsh_init(task, workspace)	Dispatch a task. Rejects while busy; resets after done/error
dsh_status()	Poll status; auto-settles done/error when the process exits
dsh_read()	Read the full result
dsh_respond(allow)	Answer a permission/help request (blocked state)
dsh_cancel()	Graceful ACP cancel; kill fallback

Quick start

git clone https://github.com/zhiyuchen1101/codewhale-dsh && cd codewhale-dsh
make install

Register in ~/.codewhale/mcp.json:

{
  "mcpServers": {
    "dsh": {
      "command": "/Users/<you>/codewhale-dsh/.venv/bin/python",
      "args": ["/Users/<you>/codewhale-dsh/src/dsh_bridge.py"]
    }
  }
}

Then in a codewhale session: "use dsh_init to dispatch a task: ..."

Roadmap

Status	Item
✅	Minimal loop — dsh_init → headless works → dsh_read collects
✅	ACP streaming — official ACP server (packages/acp): live chunks, permission relay (blocked + dsh_respond), graceful cancel
🚧	Help requests L2/L3 — richer blocking reasons and escalation tiers (L1 done: permission relay)
✅	Token accounting — per-task usage from DSH session log (input/output/cache/reasoning)
⬜	Task queue — multiple tasks, isolated workspace/session each
⬜	npm package — ship dsh-bridge as an installable binary

Design rules

1. Thin shell — the bridge translates protocols only: no agent logic, no decisions
2. Single writer — the board has exactly one writer
3. TDD — RED before GREEN (make test)
4. Task isolation — fresh workspace and DSH session per task
5. Summaries out, judgment stays — with you, or codewhale's verifier role

Contributing

Pick an open Roadmap item, open an issue first, then send a PR. Tests must pass (make test). First contributions welcome — the maintainers harvest what works and credit every author.

Architecture decisions

ADR-001 · ADR-002 · ADR-003 · ADR-004 · ADR-005 · ADR-006

License

MIT — an independent community project, not affiliated with DeepSeek or any model provider.