Developer Tools MCP Servers

Google Webfonts is a web font library and API, allowing developers to easily integrate a wide variety of fonts into web applications. Use it to enhance web design with versatile and accessible typography options.

Test and execute regular expressions against text. Find matches, extract groups, and perform replacements. Supports all standard regex flags. Pure computation — no external calls.

Sonar Cloud is a code quality and security management tool that provides automatic static code analysis and continuous inspection for various programming languages. Use it to identify code issues, enforce coding standards, and improve software integrity in development projects.

Merge is an API that enables the integration of applicant tracking systems (ATS) into applications, providing data synchronization and access to ATS functionalities. It's used to streamline recruitment processes by consolidating ATS data and enabling seamless integration within HR systems.

Anthropic Claude Code MCP server — AI-powered coding agent for file operations, code generation, Git workflows, terminal commands, web search, and GitHub integration via the Claude CLI. Requires MCPBundles Desktop on the local machine.

Lob provides an API for businesses to automate and manage direct mail and address verification tasks. Use it to streamline mailing operations and ensure address accuracy.

Ably is a real-time data streaming platform. Publish and subscribe to messages on channels, track presence, manage push notification devices and subscriptions, and monitor usage stats.

GitHub REST API tools for repository research, organization intelligence, and contributor analysis. Get full user profiles (name, company, bio, location, email, twitter), organization details, repository metadata, and contributor rankings. Designed for deal flow research and founder identification.

Invoice Ninja is an open-source invoicing and billing platform for freelancers and small businesses. Create and manage invoices, track payments, handle clients and projects, manage expenses, and automate billing workflows for streamlined financial operations.

Materialized n8n node catalog, workflow templates, config exemplars, expression docs, and offline workflow validation for AI workflow builders.

SQLite MCP server for lightweight, serverless, self-contained SQL database operations. Perfect for local development, testing, and embedded applications. Access local database files with MCPBundles Desktop.

334 AI-powered tools — weather, crypto, finance, text analysis, code formatters, unit conversions, and more. One MCP server, endless utility.

Astro is a modern web framework designed for building fast, content-focused websites and applications. It features component islands architecture, static site generation, and supports multiple frontend frameworks like React, Vue, and Svelte while optimizing for performance and developer experience.

MCP help and documentation server providing guidance on the Model Context Protocol.

Tool marketplace and discovery infrastructure for AI agents. Publish, discover, and execute tools from a single API key with semantic search, encrypted credential management, and MCP-native integration.

JavaDocs Dev is a documentation platform and API reference for Java development, providing documentation, code examples, and API references for Java libraries, frameworks, and development tools. It serves as a central resource for Java developers.

OpenZeppelin Cairo provides secure smart contract libraries and development tools for the Cairo programming language and StarkNet ecosystem. It offers audited contract templates, security patterns, and development frameworks for building secure decentralized applications.

Official GitHub MCP server providing AI-powered code assistance, repository management, issues, pull requests, and GitHub Copilot integration.

OpenZeppelin Stellar provides secure smart contract libraries and development tools for the Stellar blockchain ecosystem. It offers contract templates, security patterns, and development frameworks specifically designed for Stellar's unique architecture and Soroban smart contracts.

Official AWS documentation search, regional availability checking, and operational procedure guidance. Covers all AWS services including Lambda, S3, EC2, CDK, CloudFormation, and Amplify.

OpenZeppelin Stylus provides secure smart contract libraries and development tools for Arbitrum Stylus, enabling Rust and C++ smart contract development. It offers contract templates, security patterns, and development frameworks for high-performance smart contracts.

Cloudflare Container enables users to spin up a sandbox development environment, providing a safe space for testing and developing applications without affecting production systems. This server is ideal for developers looking to experiment with new code or configurations.

GraphOS MCP Tools provides a set of utilities for working with GraphQL APIs, including documentation reading and searching capabilities. It is designed for developers who need to interact with GraphQL services efficiently.

i18n-agent provides tools for internationalization, enabling developers to easily adapt their applications for multiple languages and regions. This server is essential for businesses aiming to reach a global audience.