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.
npx agentmods add instructions/tacticlaunch/mcp-linear/servicegit clone --depth 1 https://github.com/tacticlaunch/mcp-linearWhat 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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00167 | $0.00167 |
| Opus 5 | $0.00084 | $0.00084 |
| Sonnet 5 | $0.00033 | $0.00033 |
| Haiku 4.5 | $0.00017 | $0.00017 |
Grade A, and why
mcp-linear service.instructions.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.
What it actually says
This repository uses src/services/linear-service.ts as the single integration layer for Linear.
- Prefer
@linear/sdkmethods and generated types before writing direct GraphQL. - If you must bypass the SDK, use
this.client.client.request(...)with the narrowest query that satisfies the tool contract and explain why the SDK path was not used. - Normalize returned SDK entities into plain objects before returning them to handlers.
- Keep response shapes honest about
null,undefined, enums, and date handling. - Preserve explicit clearing semantics when the Linear API supports
nullfor updates. - Throw precise errors that identify the entity or operation that failed.
- Reuse helper functions for compacting inputs and handling nullable fields instead of open-coding one-off sanitization.
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.
- 2d ago First seen · 14 lines · 167 tokens per session scan A a32fa5717f51
mcp-linear service.instructions.md is an instructions file published in the GitHub repository tacticlaunch/mcp-linear (147 stars, last pushed 3d ago), licensed MIT. It adds 167 tokens to every session, about $0.0008 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.
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