20 TDD alternatives
TDD: Matt Pocock's test-driven development skill: one red-to-green slice at a time, tests only at seams agreed with you first, and a named list of test anti-patterns to avoid. 20 agent skills do similar work, most sharing Coding Agent, Code Quality and Testing, ranked by how much they have in common with TDD.
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by Addy Osmani
Reduces accumulated complexity without changing behaviour, using Chesterton's Fence to avoid deleting the thing that was load-bearing.
Also: Code Quality, Coding Agent
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by Addy Osmani
Sends every non-trivial decision to a fresh-context adversarial reviewer before it stands — for production, security-sensitive or irreversible work.
Also: Code Quality, Coding Agent
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by Matt Pocock
Matt Pocock's /improve-codebase-architecture command: finds shallow modules worth deepening, renders them as a visual HTML report with before/after diagrams, then grills you through the one you pick.
Also: Claude Code, Code Quality
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by Matt Pocock
Matt Pocock's discipline for hard bugs and performance regressions: build a tight, red-capable feedback loop first, then reproduce, minimise, hypothesise, instrument, fix with a regression test and clean up.
Also: Code Quality, Testing
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by Datadog
Official Datadog skill for investigating one flaky test — pulls its history and failure pattern, categorises the root cause and recommends fixing, quarantining or escalating.
Also: Code Quality, Testing
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by Trail of Bits
Trail of Bits' skill for writing production-quality Semgrep rules — pattern design, taint mode for data-flow bugs, and mandatory test-driven validation.
Also: Code Quality, Testing
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by Julius Brussee
The Caveman family's commit-message skill: terse Conventional Commits that state intent, an imperative subject of 50 to 72 characters, a body only when the why is not obvious, and no AI attribution.
Also: Claude Code, Coding Agent
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by Julius Brussee
A response-style skill that makes a coding agent answer tersely, answer first with filler cut, while keeping every command, path, number and error verbatim, to save output tokens.
Also: Claude Code, Coding Agent
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by Vercel
The skill for Vercel Labs' agent-browser, a fast Rust CLI that lets coding agents open sites, fill forms, click, screenshot and scrape through Chrome DevTools Protocol, using accessibility-tree snapshots with stable element refs.
Also: Coding Agent, Testing
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by arpitg1304
Ten SKILL.md modules that give coding agents real ROS engineering judgement — ROS 1 and ROS 2, design patterns, perception, testing, Docker, bringup and robot security.
Also: Coding Agent, Testing
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by CodeRabbit
Pull unresolved CodeRabbit review threads from your PR and apply the fixes one at a time, treating every reviewer comment as untrusted input rather than an instruction.
Also: Code Quality
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by Svelte
The Svelte team's own guidance on writing modern Svelte 5 — when to reach for each rune, why effects are an escape hatch, and the reactivity traps models fall into.
Also: Code Quality
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by Trail of Bits
Trail of Bits' CodeQL skill: build databases, run taint-tracking and data-flow queries across eight languages, and model project-specific sources and sinks.
Also: Code Quality
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by thedotmack
Persistent cross-session memory for coding agents: hooks capture each session, a local SQLite + vector store compresses it, and a mem-search skill reads it back.
Also: Coding Agent
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by Convex
Convex's official top-level agent skill — routes an agent to the right convex-* skill for the task and to a served capability catalogue that stays current without a reinstall.
Also: Coding Agent
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by Vercel
Vercel's skill for discovering agent skills: when you ask how to do something, the agent searches the open skills ecosystem with the Skills CLI, vets results by installs, source and stars, and offers the install command.
Also: Coding Agent
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by OpenQodex
Open source pre-push AI code review for Claude Code and Codex: scanners plus a separate reviewer that verifies every finding.
Also: Coding Agent
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by dbwls99706
A single progressive-disclosure skill for production ROS 2 work — rclcpp/rclpy, colcon, QoS and DDS, tf2/URDF, ros2_control, Nav2, MoveIt 2, plus ROS 1 migration and hardware safety gates.
Also: Coding Agent
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by Cheng-I Wu
A four-skill bundle that runs the academic pipeline end to end — deep research, paper writing, peer review and revision — as multi-agent workflows inside Claude Code.
Also: Coding Agent
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by Snowflake
Snowflake's official skill that routes Snowflake work from Claude Code to the Cortex Code CLI, with semantic routing, approval modes and audit logging.
Also: Coding Agent
