422 MCP servers and agent skills in the Developer Tools category, ranked by quality score.
Transform Claude Code with intelligent, real-time access to 90+ framework documentation sources. Get accurate, up-to-date code generation that follows current best practices for React, Next.js, Laravel, FastAPI, Tailwind CSS, and more.
iOS leak hunting and performance investigation. Reads `.memgraph` (`leaks(1)`) and `.trace` (`xctrace`) files, classifies retain cycles against a 34-pattern catalog (SwiftUI, Combine, Swift Concurrency, UIKit, Core Animation, Core Data, SwiftData, RxSwift, Realm), surfaces a Swift `fixTemplate` snippet for each match, and bridges to source via SourceKit-LSP. Single-call build+boot+launch fixes the
An MCP server providing curated Swift and SwiftUI best practices from leading iOS developers, including patterns and real-world code examples from Swift by Sundell, SwiftLee, and other trusted sources.
Nine-tool MCP server for n8n: generate workflow JSON from natural language, lint for deprecated node types, missing `typeVersion`, and broken connections, and debug per-node execution failures. Ships with a Claude Code skill. Install: `npx @automatelab/n8n-mcp`.
Context engineering MCP server. Generates CLAUDE.md from git history and architectural file sampling, and maintains a concept-map snapshot of features/flows → files so agents can skip grep/glob on repeat queries.
Official MCP server for [UploadKit](https://uploadkit.dev). Gives AI assistants first-class knowledge of 40+ React upload components, Next.js route handler scaffolds, BYOS setup (S3/R2/GCS/B2), and full-text search across 88+ docs pages. Runs locally via `npx -y @uploadkitdev/mcp`.
Analyzes your codebase identifying important files based on dependency relationships. Generates diagrams and importance scores, helping AI assistants understand the codebase.
Web accessibility testing MCP server that analyzes URLs and HTML for WCAG 2.0/2.1/2.2 compliance using axe-core. Tools for color contrast, ARIA validation, and orientation lock detection.
Autonomous testing for web apps — dispatch AI agents that open real browsers, execute test cases, and report pass/fail with screenshots. Generate user stories, test cases, and Playwright code from your app context. 8 tools for end-to-end test automation.
Enable AI assistants to interact with your feature flags in [Flipt](https://flipt.io).
Deterministic validation of AI-generated artifacts before acting on them: JSON Schema conformance, OpenAPI response conformance, SQL syntax per dialect. Typed verdicts with per-error fix hints. Hosted free tier with remote MCP endpoint; MIT, self-hostable.
Record an agent's tool-call workflow once, replay it deterministically at 0 tokens, and diff runs to catch drift — CI + snapshot tests for MCP tool-call workflows. `npx -y reelier serve`
MCP server for the VerifyAX platform. Enables agent evaluation, simulation testing, and functional/non-functional verification workflows through natural language.
Scaffold modern npm packages, CLIs, services, and full-stack monorepos from your agent. Three tools: inspect the option schema, preview the generated file tree, and write the project to disk — optionally creating the GitHub repo and pushing to it, or merging into an existing clone without overwriting anything. Also available as a CLI and a web configurator. `npx -y packkit-mcp`
Search @imqueue docs and scaffold typed services & clients for AI coding agents, access CLI and manage your service fleet.
MCP Server that support for querying and managing all resource in [Apache APISIX](https://github.com/apache/apisix).
Automatically converts feedback and bug reports from websites and web apps into actionable, context-enriched developer tasks. Delivered straight to your AI coding tools, the Webvizio MCP Server ensures your AI agent has all the data it needs to solve tasks with speed and accuracy.
Structural code context server for AI agents — compressed symbol indexes, dependency graphs, and git diffs via TypeScript AST analysis. Zero external dependencies, no vector database or embedding API required.
MCP server that provides Typescript API information efficiently to the agent to enable it to work with untrained APIs
Read-only static scanner for MCP / agent-gateway production-readiness. The `scan_gateway` tool scores a repo across 7 security dimensions (RBAC, fail-closed, supply chain, observability, cost, secrets, prod-readiness). Never executes code or prints secret values.
Shorten links, read click analytics, generate branded QR codes, and manage links on opn.onl — the open-source, self-hostable URL shortener. Works with the hosted service or your own instance.
Reduced-motion / WCAG 2.2.2+2.3.3 verification for web animation: agents author validated specs; a deterministic compiler emits reduced-motion-safe, on-budget CSS. Keyless hosted endpoint (motion_catalog, motion_validate).
Native stdio bridge for the hosted Delx Protocol MCP endpoint, with one-command client install, doctor checks and live tool discovery.
Design-fidelity checks for AI agents: compare a Figma frame (or any design screenshot) against the rendered implementation and get structured discrepancies with CSS properties and severity. Resolves a natural-language component description to a URL + selector in your codebase, screenshots it with Playwright, and compares via vision AI using your existing Claude Code or Codex subscription — no API
Operator leaderboard measuring users, not models — ranks AI coding operators by token cascade efficiency (Yield = Cache Reads × Output / Input²). 15 MCP tools: rank, pull, submit (ed25519-signed), diagnose, simulate. Privacy-first: only token counts leave the machine. `npx sigrank`
MCP server that provides AI assistance for an open-source UI framework based on Tailwind CSS
Convert source code repositories into searchable knowledge bases with AI-powered search using GPT-5, intelligent chunking, and OpenAI embeddings for semantic code understanding.
Record any browser page as GIF or video. AI-driven demo recording with scroll/click/hover interactions via Playwright + ffmpeg. `npx @mcpware/pagecast`
MCP server for Apple's Icon Composer: programmatically create .icon bundles with Liquid Glass effects (iOS 26+). 12 tools for icon creation, glass effect tuning, dark mode appearances, and App Store export.
Agent Skill Ninja for MCP: Search, install, and manage AI agent skills (SKILL.md files) from GitHub repositories. Features workspace analysis for personalized recommendations and supports 140+ pre-indexed skills.
MCP server for AI prompt optimization — transforms vague prompts into platform-optimized prompts for 58+ AI platforms across 7 categories (image, video, voice, music, code, chat, document).
MCP server for NowSecure Platform mobile security testing. List applications, pull remediation findings via GraphQL, and generate PDF reports locally (bypasses broken UI export). Published as `nowsecure-mcp-server`. `npx -y nowsecure-mcp-server`
Structured `.aide` spec files that give AI agents progressive disclosure into your codebase architecture via MCP.
Mobile E2E MCP (40 tools): iOS-simulator control, native UI automation, Maestro flows, React Native debugging (logs/network/state), and WebView DOM inspection. Requires macOS + Xcode.
AI code quality gate detecting hallucinated packages, phantom dependencies, stale APIs, and AI-specific code defects. MCP Server + CLI + CI/CD integration.
Self-evolving MCP server that generates and improves its own tools at runtime. Built on FastMCP, Janee uses LLM-driven tool generation to dynamically create, test, and refine MCP tools from natural language descriptions — enabling AI agents to extend their own capabilities on the fly.
A MCP server for replacing Rest Clients like Postman/Insomnia, by allowing your LLM to maintain and use api collections.
Codebeamer ALM integration for managing work items, trackers, and projects. Provides 17 tools for reading and writing items, associations, references, comments, and risk management data via Codebeamer REST API v3.
Give AI agents a persistent pixel-art character that reflects their state in real time. Report work state, mark tasks complete, signal errors, and check status. Characters live in rooms with emotions and creature companions.
Black-box flight recorder for RAG retrieval inside MCP agents. Logs chunks, scores, sources and rankings so you can audit, replay and diff retrieval runs.
Check whether an LLM model id is deprecated, retiring, or retired, and what to migrate to. Covers OpenAI, Anthropic, Azure, Bedrock, Google, and Cohere. No API key. `npx -y @llmintel/mcp` or `https://llmintel.ai/v1/mcp`
Free Agent Signal Optimization scanner for website/API agent readiness. Scores discovery, identity, trust, commerce, reputation, and memory signals; validates robots.txt AI bot rules, llms.txt, agent.json, Google A2A agent cards, MCP server cards, API catalogs, OAuth metadata, x402, pricing, security.txt, status endpoints, and cross-file identity consistency. Returns ASO maturity levels, evidence,
Audits a domain email deliverability: SPF, DKIM, DMARC, MX, mail provider, DNS blacklist, catch-all, and domain age, returning a 0-100 health score via an Apify actor.
MCP server to access and manage LLM application prompts created with [Langfuse]([https://langfuse.com/](https://langfuse.com/docs/prompts/get-started)) Prompt Management.
An MCP server for interacting with PostHog analytics, feature flags, error tracking and more.
A middleware server that enables multiple isolated instances of the same MCP servers to coexist independently with unique namespaces and configurations.
Tool suite built around an MCP server for Android automation for developer workflow and testing
Helping Your AI Agent Identify Hotspots for Refactoring; Help AI Understand How to 'Make Code Better'