dsh-tool-linear

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A Cordis tool plugin that gives DeepSeek Harness (dsh) Linear issue management capabilities. Agents can search and list issues, read issue details, create and update tickets, add and list comments, and inspect teams, projects, and cycles.

It follows the official "everything is a plugin" architecture with ctx.tools.register(defineTool(...)) and the adding-a-tool contract.

Install

Install directly from GitHub:

npm install github:LJH-snow/dsh-tool-linear

Or from a local checkout:

git clone https://github.com/LJH-snow/dsh-tool-linear
cd dsh-tool-linear
npm install && npm run build
npm install /path/to/dsh-tool-linear

Requires @deepseek-ai/cordis (^4.0.1) and @deepseek-ai/dsh-tools (^0.1.0-rc.6) as peer dependencies, provided by the host dsh runtime.

Configuration

Load the plugin in a dsh composition config (cordis.yml):

- name: 'github:LJH-snow/dsh-tool-linear'
  config:
    apiKey: 'lin_api_xxx'              # required: Linear personal API key
    baseUrl: 'https://api.linear.app/graphql'  # optional
    timeoutMs: 15000                    # optional, default 15000

Full example: examples/cordis.yml.

Security: the first version requires an API key for every tool because Linear workspaces are access-controlled and several tools modify tickets. Create a personal API key under Linear Settings > Security & access, grant it the minimum permissions needed, and never commit it.

Tools

Tool	Description	Credentials
linear_search_issues	Search issues by title, identifier, description, or comment text	yes
linear_list_issues	List issues filtered by team, project, cycle, or workflow state	yes
linear_get_issue	Get issue details by UUID or identifier such as ABC-123	yes
linear_create_issue	Create an issue with title, description, priority, project, cycle, assignee, labels, state, and due date	yes
linear_update_issue	Update title, description, priority, project, cycle, assignee, labels, state, or due date	yes
linear_add_issue_comment	Add a comment to an issue	yes
linear_list_issue_comments	List comments on an issue	yes
linear_list_cycles	List cycles for a team	yes
linear_get_cycle	Get cycle details	yes
linear_list_projects	List projects, optionally scoped to a team	yes
linear_get_project	Get project details, dates, progress, health, and teams	yes
linear_list_teams	List teams visible to the API key	yes
linear_get_team	Get team details	yes

Behavior Contract

• Missing credentials return canonical business values: read tools return { authenticated: false, ... }, write tools return { created: false, reason } or { ok: false, reason }.
• Missing issue, cycle, project, or team maps to { found: false }.
• GraphQL validation and user errors on writes map to { created: false, reason } or { ok: false, reason }.
• Infrastructure errors such as invalid credentials (401), forbidden access (403), rate limiting (429), or server failures (5xx) throw LinearError.
• Every request forwards exec.signal and uses a configurable timeout (default 15 seconds).

Development

npm install
npm run typecheck
npm test
npm run build

See DEVELOPMENT.md for the architecture and test coverage.

License

MIT