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Developers
Developer Toolkit
Ten tested developer skills — TDD enforcement, systematic debugging, code review, webapp testing, MCP building — with our recommended CLAUDE.md baseline and the config that makes them cooperate instead of fight.
- 10 tested skills with a conflict-free install config
- Our recommended CLAUDE.md baseline
- Code review rubric tuned for signal over nitpicks
- Setup guide with per-skill trigger notes
- Lifetime updates to this bundle
What you actually download
In the zip
SETUP-GUIDE.md — install order + test verdictsinstall.sh — one-command setuptemplates/CLAUDE-baseline.mdtemplates/code-review-rubric.md
Preview the SETUP-GUIDE.md (first page)
# Developer Toolkit — Setup Guide > Every skill below was tested on real work by SkillProof. Scores are out of 10; > full test reports live at https://skillproof.dev/skills/<slug>. ## Install order (it matters — dependencies first) ### 1. Test-Driven Development — ★ 9.6/10 Forces Claude into strict red-green-refactor discipline. ### 2. Systematic Debugging — ★ 9.6/10 Stops guess-and-check fixes; enforces hypothesis-driven debugging. ### 3. Code Review Checklist — ★ 8.4/10
Every skill inside, with its test verdict
- 001 Tested · Works
Test-Driven Development Featured
Forces Claude into strict red-green-refactor discipline.
- 002 Tested · Works
Stops guess-and-check fixes; enforces hypothesis-driven debugging.
- 003 Tested · Works
Structured PR review checklist: security, performance, correctness, severity-labeled.
- 004 Tested · Works
Claude drives your web app in a real browser and reports what breaks.
- 005 Tested · Works
Build MCP servers that connect Claude to your tools.
- 006 Tested · Works
Skill Creator Featured
The skill that builds skills — scaffold, test and optimize your own.
- 007 Tested · Works
Conventional Commits, branch naming, and merge-strategy standards, with 7 reference docs.
- 008 Tested · Works
Prompt-only SQL generator that always returns query + explanation + performance notes + test script for BigQuery/Postgres/MySQL/Snowflake — no schema-parsing tooling of its own.
- 009 Works with setup
Drafts a Done / In Progress / Blockers standup from git log and project notes.
- 010 Tested · Works
Turns git commit history into categorized, customer-facing release notes.
From the test bench
First-party notes from assembling and re-testing this pack — not customer reviews. Buyer feedback is published here as it comes in (reply to your purchase email to add yours).
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★★★★★
TDD enforcement held across a 3-feature session — failing tests first every time, and it refused to skip the cycle. Systematic Debugging root-caused a race condition Claude had previously "fixed" three times by guessing.
SkillProof test bench · verified during pack assembly
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★★★★★
Code Review Checklist found one real off-by-one and two dead-code paths in a 600-line PR, with zero style-only nitpicks. SQL Query Writer's window-function queries were verified row-by-row against hand-written equivalents.
SkillProof test bench · verified during pack assembly
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★★★★☆
One setup verdict in the pack: Git Workflow Coach handles commits immediately, but interactive rebase steps have to be run by you since Claude Code blocks interactive git. Webapp Testing caught a real regression our unit tests missed.
SkillProof test bench · verified during pack assembly