agentmods.dev

mcp-linear AGENTS.md

Development instructions for an MCP server that connects coding agents to Linear, a project-management and issue-tracking service. They describe where service methods, tool definitions, request checks, registrations, and tests belong.

In plain words
What is it for?
Use them when adding or changing Linear operations, updating the public tool list, writing tests, building the project, or performing temporary live checks in Linear.
Why use it?
They reduce the risk of exposing inconsistent tools or accepting invalid data, while keeping the server aligned with its existing structure.

Instructions file for CodexOpenCode

146 +1 4d ago A scan 241 tokens original MIT
View the source file tacticlaunch/mcp-linear
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add instructions/tacticlaunch/mcp-linear/agents-md
Clone the repo
git clone --depth 1 https://github.com/tacticlaunch/mcp-linear

Made for: Codex, OpenCode.

Per session 241 This file is loaded in full into every session.
When invoked 241 The same file — it is already loaded in full.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00241 $0.00241
Opus 5 $0.00120 $0.00120
Sonnet 5 $0.00048 $0.00048
Haiku 4.5 $0.00024 $0.00024

Measured 2d ago against content hash 6363d0bf7ad0, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

mcp-linear AGENTS.md scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

AGENTS.md · 28 lines

What it actually says

MCP Linear Agent Notes

This repository is optimized for MCP tool work.

Primary Workflow

  • Inspect the existing domain files before adding a new tool.
  • Implement or update the service method in src/services/linear-service.ts.
  • Add or update tool definitions in src/tools/definitions/*.ts.
  • Add or update handlers in src/tools/handlers/*.ts.
  • Add or update runtime validation in src/tools/type-guards.ts.
  • Register definitions and handlers in their index files.
  • Update package.json and TOOLS.md when the public MCP surface changes.
  • Add focused Jest coverage in src/__tests__.

Repository Expectations

  • Prefer @linear/sdk methods over raw GraphQL.
  • If a direct GraphQL query is necessary, keep it minimal and document the SDK mismatch in code comments or the PR summary.
  • Normalize SDK entities into plain objects before returning them from LinearService.
  • Be exact about nullability, enum values, and positive integer constraints.

Validation

  • Always run npm test.
  • Always run npm run build.
  • If live Linear testing is requested, use temporary names and clean up created entities before finishing.
Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 2d ago First seen · 28 lines · 241 tokens per session scan A 6363d0bf7ad0

Subscribe to this mod's changes

mcp-linear AGENTS.md is an instructions file published in the GitHub repository tacticlaunch/mcp-linear (146 stars, last pushed 4d ago), licensed MIT. It adds 241 tokens to every session, about $0.0012 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

ProductivityTestingWriting and docsclaudecursorlinearmcp
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