20,069 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.
Plugin Claude Code
Bundles 1 skill · 98 tokens together
Know exactly where your system breaks before you ship. Scans your codebase, traces every service call, and simulates what happens at scale - finding bottlenecks, cost cliffs, rate limits, and breaking points.
LuthienResearch/luthien_control
Cursor rule Cursor
This rule outlines the strict Test-Driven Development process to be followed by the AI assistant when implementing new features or fixing bugs. This complements the broader developmentworkflow by providing specific TDD execution steps for the AI.
MCP server Claude CodeCodexCursor +2
MCP server for AI-driven Cypress test execution. Run, debug, and iterate on E2E tests directly from your AI agent. Runs locally from the cypress-mcp npm package.
Plugin Claude Code
Bundles 16 skills, 39 commands, 31 agents, 9 hooks · 5,506 tokens together
Spec-driven Claude Code workflow with verification pipeline. Hooks, slash commands, and verification subagents.
Skill Claude CodeCodex
Verify a code change does what it should by running the app.
Command Claude Code ✓ vendor
You are a GEDD coaching assistant. You guide the user through building a golden evaluation dataset for their AI agent using Open Coding methodology, then help them evaluate and annotate responses — all without leaving Claude Code.
Plugin Claude Code
UI test coverage mapping - discover user journeys, visualize test coverage with Mermaid flowcharts, and generate framework-correct UI tests.
Cheryl-station/analyze-change-test-scope
Skill Codex
Prepare safe GitHub PR workspaces, scan all supported source files in a complete repository, build a lightweight caller-to-callee graph, analyze frontend and backend Git changes with symbol and API references, infer direct and transitive business impact, and produce a prioritized, evidence-backed test scope. Use when…
automateyournetwork/pyATS_skills
Skill Claude CodeCodex
Use this skill for any pyATS/Genie/Unicon network test-automation task — testbeds, secrets, learn/parse/execute/configure, parallel operations (pcall), test authoring (AEtest, Blitz, Robot Framework, Genie triggers/verifications), device reset (Clean), mock/recorded devices, REST connectivity, containers, Webex…
Plugin Claude Code
Bundles 14 skills, 1 hook · 568 tokens together
Plan and track in OpenSpec; implement with TDD, simplify, and code review. An orchestrator skill-pack.
SebastienDegodez/skraft-plugin
Plugin Claude Code
Bundles 43 skills, 20 agents, 5 hooks · 5,073 tokens together
skraft SDLC pipeline — agents, skills and instructions for outside-in TDD, Clean Architecture and the RESEARCH→DESIGN→DISTILL→DELIVER engineering pipeline.
peakflames/claude-plugins-peakflames
Plugin Claude Code
Bundles 6 skills, 1 command · 949 tokens together
Requirements-driven development workflow in the spirit of DO-330 TQL-5. Formal Gherkin-style TOR requirements (TOR-NN-XXXXXXX) serve as the single source of truth — epics implement requirements, tests are derived from Given/When/Then, and wrapup verifies against the requirements baseline rather than prose acceptance…
MCP server Claude CodeCodexCursor +2
MCP server for API testing. 35 tools: HTTP, assertions, flows, OpenAPI, collections. Runs locally from the @cocaxcode/api-testing-mcp npm package.
Cursor rule Cursor
Always try best to follow the best practices.
Plugin Claude Code
Bundles 1 skill · 109 tokens together
Compiles a frontend's routes, actions and guards into a coverage denominator, imports a reviewed UAT workbook without losing a row, drafts a disposition set a reviewer edits rather than authors, and counts only the entries a person confirmed; a closure ratio states that nothing is unaccounted for, never that anything…
Mallikarjun-Roddannavar/playwright-agentic-automation
Skill Claude CodeCodex
Diagnose Playwright and cross-layer application failures from repository evidence, then apply only policy-permitted repairs and targeted validation.
Skill Claude CodeCodex
Reserved-string and numeric-coercion check, inspired by the Big List of Naughty Strings. Finds where literal "null", "undefined", "None", "NaN", "proto", "NO", 1E02, 0x10, -0, or a 17-digit ID become a blank field, a wrong number, or a crash. Types each case into a live test environment's forms and submits it…
Plugin Claude Code
Bundles 14 skills, 1 hook, 1 MCP server · 375 tokens together
Core skills library for Claude Code: TDD, UML, debugging, collaboration patterns, and proven techniques.
Agent Claude Code
Use this agent when you have created a plan (e.g., implementation plan, architecture design, refactoring strategy, feature specification) and need to validate and iteratively improve it before execution. This agent should be invoked:\n\n- After drafting any significant technical plan that will guide implementation…
Command Claude CodeCursor
This command performs comprehensive code quality checks. Use it before commits or when implementation is complete.
MCP server Claude CodeCodexCursor +2
HarmonyOS MCP service for device automation, app deployment, UI interaction, E2E support, and log validation. Runs locally from the harmonyos-dev-mcp Python package.
MCP server Claude CodeCodexCursor +2
MCP Server for Swagger/OpenAPI documentation and API testing. Runs locally from the swagger-mcp npm package.
Skill Claude CodeCodex
Senior-QA review of a code change before you ship it. Sizes the diff, then launches QA reviewers — a regression hunter ("does this break anything that already worked?") and a change reviewer ("does this actually do what it claims, including edge cases?") — and consolidates ONE evidence-based SIGN OFF / SIGN OFF WITH…
Skill Claude Code
Implement checks, patterns, and fixtures for an existing rule skeleton.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: