whoop-mcp: Skill for Claude Code

.github/skills/source-driven-development/SKILL.md

source-driven-development is a skill for Claude Code, Codex from shashankswe2020-ux/whoop-mcp. It costs 40 tokens per session (1,731 once invoked), scanned A, original, MIT.

A development process that checks official documentation before making decisions about frameworks, libraries, or APIs. It aims to keep implementation choices tied to current, authoritative sources.

In plain words
What is it for?
Building documented starter code, implementing framework-specific features, reviewing version-sensitive code, and verifying recommended approaches for forms, routing, data fetching, or authentication.
Why use it?
It reduces the risk of relying on outdated examples or deprecated programming patterns.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

This is shashankswe2020-ux/whoop-mcp's own configuration. It tells Claude Code and Codex how to work on whoop-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything whoop-mcp configures →

Reuse

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.

Copy the file
curl -O https://raw.githubusercontent.com/shashankswe2020-ux/whoop-mcp/main/.github/skills/source-driven-development/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/shashankswe2020-ux/whoop-mcp

Made for: Claude Code, Codex.

Wrote 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.

agentmods badge for source-driven-development

README.md
[![agentmods](https://agentmods.dev/badge/skills/shashankswe2020-ux/whoop-mcp/source-driven-development/github.svg)](https://agentmods.dev/skills/shashankswe2020-ux/whoop-mcp/source-driven-development)
Your own site
<a href="https://agentmods.dev/skills/shashankswe2020-ux/whoop-mcp/source-driven-development"><img src="https://agentmods.dev/badge/skills/shashankswe2020-ux/whoop-mcp/source-driven-development/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.

agentmods 80×15 button for source-driven-development

Your own site · 80×15
<a href="https://agentmods.dev/skills/shashankswe2020-ux/whoop-mcp/source-driven-development"><img src="https://agentmods.dev/badge/skills/shashankswe2020-ux/whoop-mcp/source-driven-development.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 40 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,731 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector warn 7 Sept 2026
SkillSpector: 1 finding, up to medium

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • medium Excessive Agency · line 174
    Skill enables autonomous high-impact decisions without human-in-the-loop verification. Critical operations (destructive commands, financial transactions, data deletion) should require explicit user confirmation.
    Fix: Add human-in-the-loop confirmation for destructive, irreversible, or high-impact operations. Never auto-execute commands that modify files, send data, or alter system state.
How audits are shown
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 5.1 $0.00040 $0.01731
Opus 5 $0.00020 $0.00865
Sonnet 5 $0.00008 $0.00346
Haiku 4.5 $0.00004 $0.00173

Measured 9d ago against content hash b979e7531ea6, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

source-driven-development 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 9d 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.

Origin

Copies of this mod

8 near-identical copies found in the catalogue:

.github/skills/source-driven-development/SKILL.md · 195 lines

How it starts

The opening of the file, as written. The whole thing — 195 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Source-Driven Development

Overview

Every framework-specific code decision must be backed by official documentation. Don't implement from memory — verify, cite, and let the user see your sources. Training data goes stale, APIs get deprecated, best practices evolve. This skill ensures the user gets code they can trust because every pattern traces back to an authoritative source they can check.

When to Use

  • The user wants code that follows current best practices for a given framework
  • Building boilerplate, starter code, or patterns that will be copied across a project
  • The user explicitly asks for documented, verified, or "correct" implementation
  • Implementing features where the framework's recommended approach matters (forms, routing, data fetching, state management, auth)
  • Reviewing or improving code that uses framework-specific patterns
  • Any time you are about to write framework-specific code from memory

When NOT to use:

  • Correctness does not depend on a specific version (renaming variables, fixing typos, moving files)
  • Pure logic that works the same across all versions (loops, conditionals, data structures)
  • The user explicitly wants speed over verification ("just do it quickly")

The Process

DETECT ──→ FETCH ──→ IMPLEMENT ──→ CITE
  │          │           │            │
  ▼          ▼           ▼            ▼
 What       Get the    Follow the   Show your
 stack?     relevant   documented   sources
            docs       patterns

Step 1: Detect Stack and Versions

Read the project's dependency file to identify exact versions:

package.json    → Node/React/Vue/Angular/Svelte
composer.json   → PHP/Symfony/Laravel
requirements.txt / pyproject.toml → Python/Django/Flask
go.mod          → Go
Cargo.toml      → Rust
Gemfile         → Ruby/Rails

State what you found explicitly:

STACK DETECTED:
- React 19.1.0 (from package.json)
- Vite 6.2.0
- Tailwind CSS 4.0.3
→ Fetching official docs for the relevant patterns.

Read the full file on GitHub · 195 lines

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. 9d ago First seen · 195 lines · 40 tokens per session scan A b979e7531ea6

Subscribe to this mod's changes

source-driven-development is a skill published in the GitHub repository shashankswe2020-ux/whoop-mcp (150 stars, last pushed 4d ago), licensed MIT. It adds 40 tokens to every session and 1,731 once invoked, about $0.0002 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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