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Agent skill

Linear

by CraftOS-dev in CraftOS-dev/CraftBot

Linear API integration with managed OAuth. An agent skill from CraftOS-dev/CraftBot.

MITAuto-check passedBackend & APIs

Install Linear

skills CLI
$ npx skills add CraftOS-dev/CraftBot --skill linear -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install CraftOS-dev/CraftBot linear --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/CraftOS-dev/CraftBot.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/linear-api .claude/skills/linear && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
linear
GitHub stars
392
Token cost
~3.5k tokens
SKILL.md length
432 words
Files
4
Skills in repo
89
Repo updated
First seen
Licence
MIT

At a glance

Linear API integration with managed OAuth. An agent skill from CraftOS-dev/CraftBot.

  • Works in 3 steps: Sign in or create an account at maton.ai → Go to maton.ai/settings → Copy your API key
  • Users want to create
  • SKILL.md covers Quick Start, Base URL, Authentication and Connection Management, plus 5 more sections
  • Calls python; reaches gateway.maton.ai and ctrl.maton.ai; needs MATON_API_KEY

What it does

Linear is an agent skill from CraftOS-dev/CraftBot. Linear API integration with managed OAuth. Query and manage issues, projects, teams, cycles, and labels using GraphQL. Use this skill when users want to create, update, or query Linear issues, search for tasks, manage projects, or track work. For other third party apps, use the api-gateway skill (https://clawhub.ai/byungkyu/api-gateway). Requires network access and valid Maton API key.

Its SKILL.md is about 3.5k tokens, which your agent loads only when the skill is triggered. The skill folder holds 4 other files (for example `.clawhub/origin.json` and `_meta.json`).

It sits in Backend & APIs, covering GraphQL, Microservices and OAuth and OpenID Connect. It works with Linear and GraphQL. The repository describes itself as: One agent. Every kind of work. The licence is MIT.

When your agent uses it

  • Users want to create
  • Query Linear issues
  • Search for tasks
  • Manage projects

Example prompts

  • “/linear”

Requirements

  • Python 3
  • A credential in MATON_API_KEY
  • A credential in YOUR_API_KEY

Workflow steps

3 steps, taken from the first numbered list in SKILL.md.

  1. Sign in or create an account at maton.ai
  2. Go to maton.ai/settings
  3. Copy your API key

What it can do on your machine

Read from SKILL.md and the folder at commit b50970c. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves nothing: there is no allowed-tools line, so your agent's usual permission prompts apply.

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    Shell commands in SKILL.md call:

    • python

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    Hosts in commands or code, which the agent is likely to contact:

    • gateway.maton.ai
    • ctrl.maton.ai
    • api.linear.app
    • connect.maton.ai

    Also links to:

    • linear.app
    • maton.ai
    • studio.apollographql.com
    • discord.com

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • MATON_API_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

Context cost

Linear loads about 3.5k tokens when it runs. Until then it costs about 99 tokens; SKILL.md has 432 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~99
When it runs · the whole SKILL.md, loaded when a task matches
~3.5k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from CraftOS-dev/CraftBot at commit b50970c, republished under its MIT licence (© CraftOS-dev). 432 words, ~3,543 tokens.

Download SKILL.mdSave it as .claude/skills/linear/SKILL.md (or your agent's skills folder). This skill also uses 3 other files; get the full folder from GitHub.
name
linear
description
Linear API integration with managed OAuth. Query and manage issues, projects, teams, cycles, and labels using GraphQL. Use this skill when users want to create, update, or query Linear issues, search for tasks, manage projects, or track work. For other third party apps, use the api-gateway skill (https://clawhub.ai/byungkyu/api-gateway). Requires network access and valid Maton API key.
metadata.author
maton
metadata.version
1.0

Linear

Access the Linear API with managed OAuth authentication. Query and manage issues, projects, teams, cycles, labels, and comments using GraphQL.

Quick Start

bash
# Get current user
python <<'EOF'
import urllib.request, os, json
data = json.dumps({'query': '{ viewer { id name email } }'}).encode()
req = urllib.request.Request('https://gateway.maton.ai/linear/graphql', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Base URL

https://gateway.maton.ai/linear/graphql

All requests use POST to the GraphQL endpoint. The gateway proxies requests to api.linear.app and automatically injects your OAuth token.

Authentication

All requests require the Maton API key in the Authorization header:

Authorization: Bearer $MATON_API_KEY

Environment Variable: Set your API key as MATON_API_KEY:

bash
export MATON_API_KEY="YOUR_API_KEY"
Getting Your API Key
  1. Sign in or create an account at maton.ai
  2. Go to maton.ai/settings
  3. Copy your API key

Connection Management

Manage your Linear OAuth connections at https://ctrl.maton.ai.

List Connections
bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections?app=linear&status=ACTIVE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF
Create Connection
bash
python <<'EOF'
import urllib.request, os, json
data = json.dumps({'app': 'linear'}).encode()
req = urllib.request.Request('https://ctrl.maton.ai/connections', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF
Get Connection
bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

Response:

json
{
  "connection": {
    "connection_id": "fda4dabb-9d62-47e3-9503-a2f29d0995df",
    "status": "ACTIVE",
    "creation_time": "2026-02-04T23:03:22.676001Z",
    "last_updated_time": "2026-02-04T23:03:51.239577Z",
    "url": "https://connect.maton.ai/?session_token=...",
    "app": "linear",
    "metadata": {}
  }
}

Open the returned url in a browser to complete OAuth authorization.

Delete Connection
bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections/{connection_id}', method='DELETE')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF
Specifying Connection

If you have multiple Linear connections, specify which one to use with the Maton-Connection header:

bash
python <<'EOF'
import urllib.request, os, json
data = json.dumps({'query': '{ viewer { id name } }'}).encode()
req = urllib.request.Request('https://gateway.maton.ai/linear/graphql', data=data, method='POST')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
req.add_header('Content-Type', 'application/json')
req.add_header('Maton-Connection', 'fda4dabb-9d62-47e3-9503-a2f29d0995df')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF

If omitted, the gateway uses the default (oldest) active connection.

API Reference

Linear uses a GraphQL API. All operations are sent as POST requests with a JSON body containing the query field.

Viewer (Current User)
bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ viewer { id name email } }"}

Response:

json
{
  "data": {
    "viewer": {
      "id": "4933b394-c42f-4623-904f-355fc40a4858",
      "name": "Byungkyu Park",
      "email": "byungkyujpark@gmail.com"
    }
  }
}
Organization
bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ organization { id name urlKey } }"}
Teams
List Teams
bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ teams { nodes { id name key } } }"}

Response:

json
{
  "data": {
    "teams": {
      "nodes": [
        {
          "id": "70c49a0d-6973-4563-a743-8504f1a5171b",
          "name": "Maton",
          "key": "MTN"
        }
      ]
    }
  }
}
Get Team
bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ team(id: \"TEAM_ID\") { id name key issues { nodes { id identifier title } } } }"}
Issues
List Issues
bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ issues(first: 10) { nodes { id identifier title state { name } priority createdAt } pageInfo { hasNextPage endCursor } } }"}

Response:

json
{
  "data": {
    "issues": {
      "nodes": [
        {
          "id": "565e2ee9-2552-48d8-bbf9-a8b79ca1baec",
          "identifier": "MTN-527",
          "title": "Shopify app verification",
          "state": { "name": "In Progress" },
          "priority": 0,
          "createdAt": "2026-02-03T07:49:31.675Z"
        }
      ],
      "pageInfo": {
        "hasNextPage": true,
        "endCursor": "4c7b33c8-dabf-47ce-9d30-7f286f9463be"
      }
    }
  }
}
Get Issue by ID or Identifier
bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ issue(id: \"MTN-527\") { id identifier title description state { name } priority assignee { name } team { key name } createdAt updatedAt } }"}
Filter Issues

Filter by state type:

bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ issues(first: 10, filter: { state: { type: { eq: \"started\" } } }) { nodes { id identifier title state { name type } } } }"}

Filter by title:

bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ issues(first: 10, filter: { title: { containsIgnoreCase: \"bug\" } }) { nodes { id identifier title } } }"}
Search Issues
bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ searchIssues(first: 10, term: \"shopify\") { nodes { id identifier title } } }"}
Create Issue
bash
POST /linear/graphql
Content-Type: application/json

{"query": "mutation { issueCreate(input: { teamId: \"TEAM_ID\", title: \"New issue title\", description: \"Issue description\" }) { success issue { id identifier title state { name } } } }"}

Response:

json
{
  "data": {
    "issueCreate": {
      "success": true,
      "issue": {
        "id": "9dff693f-27d2-4656-9b2d-baa4a828dc83",
        "identifier": "MTN-528",
        "title": "New issue title",
        "state": { "name": "Backlog" }
      }
    }
  }
}
Update Issue
bash
POST /linear/graphql
Content-Type: application/json

{"query": "mutation { issueUpdate(id: \"ISSUE_ID\", input: { title: \"Updated title\", priority: 2 }) { success issue { id identifier title priority } } }"}
Projects
List Projects
bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ projects(first: 10) { nodes { id name state createdAt } } }"}
Cycles
List Cycles
bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ cycles(first: 10) { nodes { id name number startsAt endsAt } } }"}
Labels
List Labels
bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ issueLabels(first: 20) { nodes { id name color } } }"}

Response:

json
{
  "data": {
    "issueLabels": {
      "nodes": [
        { "id": "510edbdf-9f6e-43a0-80e5-c3b3bd82e26f", "name": "Blocked", "color": "#eb5757" },
        { "id": "cb7a7ef2-d2d3-4da2-ad4e-7cea0f8a72c7", "name": "Feature", "color": "#BB87FC" },
        { "id": "c795d04c-24d2-4d20-b3c1-9f9f1ce7b017", "name": "Improvement", "color": "#4EA7FC" },
        { "id": "40ff69f9-4a93-40a2-b143-f3b94aa594b7", "name": "Bug", "color": "#EB5757" }
      ]
    }
  }
}
Workflow States
bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ workflowStates(first: 20) { nodes { id name type team { key } } } }"}

Response:

json
{
  "data": {
    "workflowStates": {
      "nodes": [
        { "id": "f21dfa65-7951-4742-a202-00ceb0ff6e9f", "name": "Backlog", "type": "backlog", "team": { "key": "MTN" } },
        { "id": "1ab9475f-eb91-4207-a5a3-1176e38b85be", "name": "Todo", "type": "unstarted", "team": { "key": "MTN" } },
        { "id": "ee724a62-0212-4b53-af67-08297a5ae132", "name": "In Progress", "type": "started", "team": { "key": "MTN" } },
        { "id": "427a9916-3849-4303-b982-f00f1d79c5ee", "name": "Done", "type": "completed", "team": { "key": "MTN" } },
        { "id": "363df32a-f22d-4083-8efb-b3615c019925", "name": "Canceled", "type": "canceled", "team": { "key": "MTN" } }
      ]
    }
  }
}
Users
bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ users(first: 20) { nodes { id name email active } } }"}
Comments
List Comments
bash
POST /linear/graphql
Content-Type: application/json

{"query": "{ comments(first: 10) { nodes { id body createdAt issue { identifier } user { name } } } }"}
Create Comment
bash
POST /linear/graphql
Content-Type: application/json

{"query": "mutation { commentCreate(input: { issueId: \"ISSUE_ID\", body: \"Comment text here\" }) { success comment { id body } } }"}

Pagination

Linear uses Relay-style cursor-based pagination with first/after and last/before arguments.

bash
# First page
POST /linear/graphql
{"query": "{ issues(first: 10) { nodes { id identifier title } pageInfo { hasNextPage endCursor } } }"}

# Next page using endCursor
POST /linear/graphql
{"query": "{ issues(first: 10, after: \"CURSOR_VALUE\") { nodes { id identifier title } pageInfo { hasNextPage endCursor } } }"}

Response includes pageInfo:

json
{
  "data": {
    "issues": {
      "nodes": [...],
      "pageInfo": {
        "hasNextPage": true,
        "endCursor": "4c7b33c8-dabf-47ce-9d30-7f286f9463be"
      }
    }
  }
}

Code Examples

JavaScript
javascript
const response = await fetch('https://gateway.maton.ai/linear/graphql', {
  method: 'POST',
  headers: {
    'Authorization': `Bearer ${process.env.MATON_API_KEY}`,
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    query: `{ issues(first: 10) { nodes { id identifier title state { name } } } }`
  })
});
const data = await response.json();
Python
python
import os
import requests

response = requests.post(
    "https://gateway.maton.ai/linear/graphql",
    headers={
        "Authorization": f"Bearer {os.environ['MATON_API_KEY']}",
        "Content-Type": "application/json",
    },
    json={
        "query": "{ issues(first: 10) { nodes { id identifier title state { name } } } }"
    },
)
data = response.json()
Show full SKILL.md (193 more words)Show less

Notes

  • Linear uses GraphQL exclusively (no REST API)
  • Issue identifiers like MTN-527 can be used in place of UUIDs for the id parameter
  • Priority values: 0 = No priority, 1 = Urgent, 2 = High, 3 = Medium, 4 = Low
  • Workflow state types: backlog, unstarted, started, completed, canceled
  • The GraphQL schema is introspectable at https://api.linear.app/graphql
  • Use searchIssues(term: "...") for full-text search across issues
  • Some mutations (delete, create labels/projects) may require additional OAuth scopes. If you receive a scope error, contact Maton support at support@maton.ai with the specific operations/APIs you need and your use-case

Error Handling

StatusMeaning
400Missing Linear connection or GraphQL validation error
401Invalid or missing Maton API key
403Insufficient OAuth scope for the operation
429Rate limited
4xx/5xxPassthrough error from Linear API

GraphQL errors are returned in the errors array:

json
{
  "errors": [
    {
      "message": "Invalid scope: `write` required",
      "extensions": {
        "type": "forbidden",
        "code": "FORBIDDEN",
        "statusCode": 403
      }
    }
  ]
}
Troubleshooting: API Key Issues
  1. Check that the MATON_API_KEY environment variable is set:
bash
echo $MATON_API_KEY
  1. Verify the API key is valid by listing connections:
bash
python <<'EOF'
import urllib.request, os, json
req = urllib.request.Request('https://ctrl.maton.ai/connections')
req.add_header('Authorization', f'Bearer {os.environ["MATON_API_KEY"]}')
print(json.dumps(json.load(urllib.request.urlopen(req)), indent=2))
EOF
Troubleshooting: Invalid App Name
  1. Ensure your URL path starts with linear. For example:
  • Correct: https://gateway.maton.ai/linear/graphql
  • Incorrect: https://gateway.maton.ai/graphql

Resources

© CraftOS-dev, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 3 other files in skills/linear-api of CraftOS-dev/CraftBot.

  • SKILL.md
  • .clawhub/origin.json
  • LICENSE.txt
  • _meta.json

Open the folder on GitHubat commit b50970c

Compare with similar skills

Linear next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Linear compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Linear this skillCraftOS-dev/CraftBot392—~3.5kAutomated safety check: PassMIT
LinearRedWoodOG/Hermes-Desktop1772 repos~2.8kAutomated safety check: PassMIT
Nodejs Backend Patternsever-works/ever-works15817 repos~4kAutomated safety check: PassAGPL-3.0
Linearletta-ai/lettabot326—~583Automated safety check: PassApache-2.0
API Design InterviewerPrepLabsAI/InterviewMentor112—~2.6kAutomated safety check: PassMIT
Linear Graphql Skillholon-run/uxc115—~1.8kAutomated safety check: PassMIT

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Works with

Categories

Questions about Linear

What does Linear do?

Linear API integration with managed OAuth. An agent skill from CraftOS-dev/CraftBot. Linear is an agent skill from CraftOS-dev/CraftBot. Linear API integration with managed OAuth.

When should I use Linear?

Linear fits situations like: users want to create; query Linear issues; search for tasks; manage projects.

How do I install Linear in Claude Code?

Run `npx skills add CraftOS-dev/CraftBot --skill linear -a claude-code`. Or copy the skill folder (skills/linear-api in CraftOS-dev/CraftBot) into .claude/skills/linear in your project. Claude Code loads it when a task matches its description.

How do I install Linear in Codex?

Run `npx skills add CraftOS-dev/CraftBot --skill linear -a codex`. Or copy the skill folder (skills/linear-api in CraftOS-dev/CraftBot) into .agents/skills/linear in your project. Codex loads it when a task matches its description.

Can I use Linear in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add CraftOS-dev/CraftBot --skill linear -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/linear, .gemini/skills/linear, .github/skills/linear and .opencode/skills/linear in your project.

What does Linear need to run?

Going by SKILL.md and its folder, Linear needs the command-line tools its instructions call (python) and credentials named MATON_API_KEY. Our summary lists: Python 3; A credential in MATON_API_KEY; A credential in YOUR_API_KEY.

Does Linear access the network?

SKILL.md names 8 domains. In commands or code: gateway.maton.ai, ctrl.maton.ai, api.linear.app and connect.maton.ai; the agent is likely to contact these when it follows the instructions. As links in the text: linear.app, maton.ai, studio.apollographql.com and discord.com. This is read from the text; nothing was executed.

Is Linear safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Linear use?

Linear is published under the MIT licence (from the LICENSE file in the skill folder). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Linear use?

About 3.5k tokens (SKILL.md is roughly 14k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full.

What are the alternatives to Linear?

Skills that share tags, products or a category with Linear: Linear (RedWoodOG/Hermes-Desktop, 177 stars), Nodejs Backend Patterns (ever-works/ever-works, 158 stars), Linear (letta-ai/lettabot, 326 stars) and API Design Interviewer (PrepLabsAI/InterviewMentor, 112 stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Linear?

CraftOS-dev (a GitHub user) maintains it in CraftOS-dev/CraftBot, which has 392 GitHub stars. The repository holds 89 skills in this directory. The repository was last updated on October 7, 2026.

Source: CraftOS-dev/CraftBot on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.