MCPInstall

linear

by odysseus0Productivity & Automation

Linear GraphQL patterns for Symphony agents. Use lineargraphql for all operations — comments, state transitions, PR attachments, file uploads, and issue creation. Never use schema introspection.

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Install

Works with every agent the skills CLI supports.

npx skills add https://github.com/odysseus0/symphony --skill linear
  1. 01

    Install

    Run the command in your project. The CLI asks which agents to install for.

  2. 02

    Describe the task

    Ask your agent for something this skill covers. It loads linear automatically when relevant.

  3. 03

    Review the result

    The agent follows the SKILL.md steps, scripts and references bundled with the skill.

SKILL.md

The instructions your agent reads when the skill is triggered.

Linear GraphQL

All Linear operations go through the linear_graphql client tool exposed by Symphony's app server. It handles auth automatically.

{
  "query": "query or mutation document",
  "variables": { "optional": "graphql variables" }
}

One operation per tool call. A top-level errors array means the operation failed even if the tool call completed.

Workpad

Maintain a local workpad.md in your workspace. Edit freely (zero API cost), then sync to Linear at milestones — plan finalized, implementation done, validation complete. Do not sync after every small change.

First sync — create the comment, save the ID:

mutation CreateComment($issueId: String!, $body: String!) {
  commentCreate(input: { issueId: $issueId, body: $body }) {
    success
    comment { id }
  }
}

Write the returned comment.id to .workpad-id so subsequent syncs can update.

Subsequent syncs — read .workpad-id, update in place:

mutation UpdateComment($id: String!, $body: String!) {
  commentUpdate(id: $id, input: { body: $body }) { success }
}

Query an issue

The orchestrator injects issue context (identifier, title, description, state, labels, URL) into your prompt at startup. You usually do not need to re-read.

When you do, use the narrowest lookup for what you have:

# By ticket key (e.g. MT-686)
query($key: String!) {
  issue(id: $key) {
    id identifier title url description
    state { id name type }
    project { id name }
  }
}

For comments and attachments:

query($id: String!) {
  issue(id: $id) {
    comments(first: 50) { nodes { id body user { name } createdAt } }
    attachments(first: 20) { nodes { url title sourceType } }
  }
}

State transitions

Fetch team states first, then move with the exact stateId:

query($id: String!) {
  issue(id: $id) {
    team { states { nodes { id name } } }
  }
}

mutation($id: String!, $stateId: String!) {
  issueUpdate(id: $id, input: { stateId: $stateId }) {
    success
    issue { state { name } }
  }
}

Attach a PR or URL

# GitHub PR (preferred for PRs)
mutation($issueId: String!, $url: String!, $title: String) {
  attachmentLinkGitHubPR(issueId: $issueId, url: $url, title: $title, linkKind: links) {
    success
  }
}

# Plain URL
mutation($issueId: String!, $url: String!, $title: String) {
  attachmentLinkURL(issueId: $issueId, url: $url, title: $title) {
    success
  }
}

File upload

Three steps:

  1. Get upload URL:
mutation($filename: String!, $contentType: String!, $size: Int!) {
  fileUpload(filename: $filename, contentType: $contentType, size: $size, makePublic: true) {
    success
    uploadFile { uploadUrl assetUrl headers { key value } }
  }
}
  1. PUT file bytes to uploadUrl with the returned headers (use curl).
  2. Embed assetUrl in comments/workpad as ![description](url).

Issue creation

Resolve project slug to IDs first:

query($slug: String!) {
  projects(filter: { slugId: { eq: $slug } }) {
    nodes { id teams { nodes { id key states { nodes { id name } } } } }
  }
}

Then create:

mutation($input: IssueCreateInput!) {
  issueCreate(input: $input) {
    success
    issue { identifier url }
  }
}

$input fields: title, teamId, projectId, and optionally description, priority (0–4), stateId. For relations, follow up with:

mutation($input: IssueRelationCreateInput!) {
  issueRelationCreate(input: $input) { success }
}

Input: issueId, relatedIssueId, type (blocks or related).

Rules

  • No introspection. Never use __type or __schema queries. They return the entire Linear schema (~200K chars) and waste the context window. Every pattern you need is documented above.
  • Keep queries narrowly scoped — ask only for fields you need.
  • Sync the workpad at milestones, not after every change.
  • For state transitions, always fetch team states first — never hardcode state IDs.
  • Prefer attachmentLinkGitHubPR over generic URL attachment for GitHub PRs.

FAQ

What does the linear skill do?

Linear GraphQL patterns for Symphony agents. Use lineargraphql for all operations — comments, state transitions, PR attachments, file uploads, and issue creation. Never use schema introspection.

How do I install linear?

Run npx skills add https://github.com/odysseus0/symphony --skill linear in your project. The skills CLI detects the agents you use and copies the skill into the right folder. For Claude Code you can also place the skill folder at ~/.claude/skills/linear/ (personal) or .claude/skills/linear/ (project).

Which AI agents can use linear?

Any agent that supports the open Agent Skills format (a folder with a SKILL.md file), including Claude Code, Codex, Cursor, GitHub Copilot, Gemini CLI, Windsurf, Cline, OpenCode and more.

Is linear safe to install?

No partner security audit is available yet. Skills can run commands and scripts, so read the SKILL.md and any bundled files before installing.

Who maintains linear?

It is published by odysseus0 in odysseus0/symphony. It has 541 recorded installs.

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