dsh-plugin-longgraph

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Community DeepSeek Harness plugin that registers the longgraph authoring skills on ctx.skills.

Community plugin. Not affiliated with or maintained by DeepSeek AI.

This package is DeepSeek Harness only. It does not install or launch nodes on any other product.

longgraph is a prompt library for long-horizon agent work: an executor node, a ledger, and a clean-context supervisor connected by a one-way directives edge. Each node owns one timer. There is no wake edge between them. This plugin does not add an agent runtime — it exposes that library through the Harness skill seam.

Skills

After the plugin loads, ctx.skills.list() / snapshot() advertise:

Name	Role
longgraph	Fit check, then hand off to loop-graph
loop-graph	Interview → compile .longgraph// → launch or print DSH prompts
loop-converge	Code-convergence preset, then the same compile

get / the model-facing skill({ name }) path returns the full instruction body. resourceBase points at the packaged skill directory so templates and references/deepseek-harness.md resolve.

Install

DeepSeek Harness is in developer preview. This plugin pins @deepseek-ai/dsh-skill `>=0.1.0-rc.5

Git installs fetch source, so `prepare` runs `tsdown`. With pnpm 10+, add
the package to the profile `pnpm-workspace.yaml` build allowlist if pnpm
blocks `prepare`, then retry.

### Direct Cordis row

```yaml
- id: longgraph-skills
  name: dsh-plugin-longgraph

The plugin injects skills and calls ctx.skills.registerProvider. It has no runtime config.

Timers on DeepSeek Harness

Two independent root sessions, two schedule_create clocks:

• every_seconds floor is 300 (five minutes).
• Schedule is session-local — both sessions must stay live.
• A busy session waits until idle, then followup(). The timer does not interrupt a fire.
• Never followup() / inject() the other session. The executor reads new directives on its next fire.

See the host reference.

Compatibility

Peer	Range
@deepseek-ai/cordis	>=4.0.1 =0.1.0-rc.5 <0.2.0

Harness remains a developer preview. Compatibility-breaking changes will require a new plugin version.

Development

pnpm install
pnpm typecheck
pnpm test
pnpm build
pnpm integration

pnpm test loads the shipped apply against a real @deepseek-ai/dsh-skill SkillRegistry and reads the packaged SKILL.md files. pnpm integration boots the same plugin through the public Cordis Loader.

What this is not

• Not a DeepSeek AI product and not an official Harness bundle.
• Not a replacement for dsh-agent-loop, Schedule, Jobs, or the Web UI.
• Not a multi-host skill pack. The sibling longgraph-skill repo remains the multi-host prompt library.

License

MIT © 2026 levi-qiao