Borrowing it
Nothing to install: this file belongs to shashankswe2020-ux/whoop-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.
curl -O https://raw.githubusercontent.com/shashankswe2020-ux/whoop-mcp/main/.github/copilot-instructions.mdgit clone --depth 1 https://github.com/shashankswe2020-ux/whoop-mcpWrote this? Show the measurements
A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.
[](https://agentmods.dev/instructions/shashankswe2020-ux/whoop-mcp/copilot-instructions)<a href="https://agentmods.dev/instructions/shashankswe2020-ux/whoop-mcp/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/shashankswe2020-ux/whoop-mcp/copilot-instructions/github.svg" alt="Measured on agentmods" height="20"></a>Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.
<a href="https://agentmods.dev/instructions/shashankswe2020-ux/whoop-mcp/copilot-instructions"><img src="https://agentmods.dev/badge/instructions/shashankswe2020-ux/whoop-mcp/copilot-instructions.svg" alt="Reviewed on agentmods" width="80" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5.1 | $0.00806 | $0.00806 |
| Opus 5 | $0.00403 | $0.00403 |
| Sonnet 5 | $0.00161 | $0.00161 |
| Haiku 4.5 | $0.00081 | $0.00081 |
Grade A, and why
whoop-mcp copilot-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 12d 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.
How it starts
The opening of the file, as written. The whole thing — 66 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Project: whoop-mcp
An MCP server wrapping the WHOOP REST API for AI assistant access to health/fitness data.
Tech Stack
- TypeScript ~5.x (strict, no
any), Node.js >= 18, nativefetch @modelcontextprotocol/sdk, Zod, Vitest, ESLint, Prettier- Build:
tsc— no bundler. No runtime deps beyond SDK + Zod.
Commands
npm run build # Build TypeScript
npm test # Run tests (Vitest)
npm run lint # ESLint
npm run lint:fix # ESLint + fix
npm run format # Prettier
npm run typecheck # tsc --noEmit
npm run dev # Dev mode (tsx)
Code Conventions
- Files:
kebab-case.ts| Types:PascalCase| Functions:camelCase| Constants:SCREAMING_SNAKE_CASE - MCP tool names:
snake_case(MCP convention) - Named exports only (no default exports)
- Explicit return types on all exported functions
- One tool per file — handler + Zod schema co-located
- Errors throw typed errors, never return error codes
- Tests mirror
src/structure intests/directory
Testing
- Write tests before code (TDD)
- For bugs: write a failing test first, then fix (Prove-It pattern)
- Test hierarchy: unit > integration > e2e (use the lowest level that captures the behavior)
- Mock the WHOOP API — never hit real API in tests. Use
vi.fn()for fetch. - Coverage target: >80% on
src/auth/andsrc/api/, >70% overall - Run
npm testafter every change
Code Quality
- Review across five axes: correctness, readability, architecture, security, performance
- Every PR must pass: lint, type check, tests, build
- No secrets in code or version control
Implementation
- Build in small, verifiable increments
- Each increment: implement → test → verify → commit
- Never mix formatting changes with behavior changes
Key References
- Spec:
docs/specs/whoop-mcp-server.md - Implementation plan:
docs/specs/implementation-plan.md - Code review:
docs/reviews/code-review-checkpoint-1.md(Tasks 1–5 approved) - WHOOP API base:
https://api.prod.whoop.com/developer(v2 endpoints) - OAuth: Authorization Code flow, tokens at
~/.whoop-mcp/tokens.json(0600 perms)
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.
- 12d ago First seen · 66 lines · 806 tokens per session scan A c5cbf3379de5
whoop-mcp copilot-instructions.md is an instructions file published in the GitHub repository shashankswe2020-ux/whoop-mcp (153 stars, last pushed yesterday), licensed MIT. It adds 806 tokens to every session, about $0.0040 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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