Linear

openai/symphony-linear

| Use Symphony's `linear_graphql` client tool for raw Linear GraphQL operations such as comment editing and upload flows.

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Install

one command, takes just this skill from the repository

npx skills add https://github.com/openai/symphony --skill linear

The instruction itself

13 sections, as written by the author

Linear GraphQL

Use this skill for raw Linear GraphQL work during Symphony app-server sessions.

Primary tool

Use the linear_graphql client tool exposed by Symphony's app-server session.

It reuses Symphony's configured Linear auth for the session.

Tool input:

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

Tool behavior:

Send one GraphQL operation per tool call.
Treat a top-level errors array as a failed GraphQL operation even if the

tool call itself completed.

Keep queries/mutations narrowly scoped; ask only for the fields you need.

Discovering unfamiliar operations

When you need an unfamiliar mutation, input type, or object field, use targeted

introspection through linear_graphql.

List mutation names:

query ListMutations {
  __type(name: "Mutation") {
    fields {
      name
    }
  }
}

Inspect a specific input object:

query CommentCreateInputShape {
  __type(name: "CommentCreateInput") {
    inputFields {
      name
      type {
        kind
        name
        ofType {
          kind
          name
        }
      }
    }
  }
}

Common workflows

Query an issue by key, identifier, or id

Use these progressively:

Start with issue(id: $key) when you have a ticket key such as MT-686.
Fall back to issues(filter: ...) when you need identifier search semantics.
Once you have the internal issue id, prefer issue(id: $id) for narrower reads.

Lookup by issue key:

query IssueByKey($key: String!) {
  issue(id: $key) {
    id
    identifier
    title
    state {
      id
      name
      type
    }
    project {
      id
      name
    }
    branchName
    url
    description
    updatedAt
    links {
      nodes {
        id
        url
        title
      }
    }
  }
}

Lookup by identifier filter:

query IssueByIdentifier($identifier: String!) {
  issues(filter: { identifier: { eq: $identifier } }, first: 1) {
    nodes {
      id
      identifier
      title
      state {
        id
        name
        type
      }
      project {
        id
        name
      }
      branchName
      url
      description
      updatedAt
    }
  }
}

Resolve a key to an internal id:

query IssueByIdOrKey($id: String!) {
  issue(id: $id) {
    id
    identifier
    title
  }
}

Read the issue once the internal id is known:

query IssueDetails($id: String!) {
  issue(id: $id) {
    id
    identifier
    title
    url
    description
    state {
      id
      name
      type
    }
    project {
      id
      name
    }
    attachments {
      nodes {
        id
        title
        url
        sourceType
      }
    }
  }
}

Query team workflow states for an issue

Use this before changing issue state when you need the exact stateId:

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

Edit an existing comment

Use commentUpdate through linear_graphql:

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

Create a comment

Use commentCreate through linear_graphql:

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

Move an issue to a different state

Use issueUpdate with the destination stateId:

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

Attach a GitHub PR to an issue

Use the GitHub-specific attachment mutation when linking a PR:

mutation AttachGitHubPR($issueId: String!, $url: String!, $title: String) {
  attachmentLinkGitHubPR(
    issueId: $issueId
    url: $url
    title: $title
    linkKind: links
  ) {
    success
    attachment {
      id
      title
      url
    }
  }
}

If you only need a plain URL attachment and do not care about GitHub-specific

link metadata, use:

mutation AttachURL($issueId: String!, $url: String!, $title: String) {
  attachmentLinkURL(issueId: $issueId, url: $url, title: $title) {
    success
    attachment {
      id
      title
      url
    }
  }
}

Introspection patterns used during schema discovery

Use these when the exact field or mutation shape is unclear:

query QueryFields {
  __type(name: "Query") {
    fields {
      name
    }
  }
}

query IssueFieldArgs {
  __type(name: "Query") {
    fields {
      name
      args {
        name
        type {
          kind
          name
          ofType {
            kind
            name
            ofType {
              kind
              name
            }
          }
        }
      }
    }
  }
}

Upload a video to a comment

Do this in three steps:

Call linear_graphql with fileUpload to get uploadUrl, assetUrl, and

any required upload headers.

Upload the local file bytes to uploadUrl with curl -X PUT and the exact

headers returned by fileUpload.

Call linear_graphql again with commentCreate (or commentUpdate) and

include the resulting assetUrl in the comment body.

Useful mutations:

mutation FileUpload(
  $filename: String!
  $contentType: String!
  $size: Int!
  $makePublic: Boolean
) {
  fileUpload(
    filename: $filename
    contentType: $contentType
    size: $size
    makePublic: $makePublic
  ) {
    success
    uploadFile {
      uploadUrl
      assetUrl
      headers {
        key
        value
      }
    }
  }
}

Usage rules

Use linear_graphql for comment edits, uploads, and ad-hoc Linear API

queries.

Prefer the narrowest issue lookup that matches what you already know:

key -> identifier search -> internal id.

For state transitions, fetch team states first and use the exact stateId

instead of hardcoding names inside mutations.

Prefer attachmentLinkGitHubPR over a generic URL attachment when linking a

GitHub PR to a Linear issue.

Do not introduce new raw-token shell helpers for GraphQL access.
If you need shell work for uploads, only use it for signed upload URLs

returned by fileUpload; those URLs already carry the needed authorization.

How to use it

Copy the folder

Take openai/symphony-linear from the repository into ~/.claude/skills for personal use, or into .claude/skills inside a project.

Check the name does not clash

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