awesome-mcp-devtools

An MCP gateway that fixes the "remote filesystem" problem: client sent files become staged uploads, server generated files become fetchable MCP resources.

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A MCP Server that allows access to gRPC API services.

An MCP stdio to HTTP SSE transport gateway

An MCP proxy server that offers a Web UI to see the complete message flow.

A tiny tool that enables cloud-based AI services to access local Stdio based MCP servers via HTTP/HTTPS

Quality verification service for MCP servers. Automated challenge-response testing with LLM judge consensus, adversarial probes, and IRT adaptive question calibration.

Production SSE endpoint for testing OAuth flows

Production SSE endpoint for testing OAuth flows (requires allowlisting)

Static security scanner for MCP servers and AI agent skills. 173 detection rules, prompt injection, credential leaks, taint tracking. Scans configs and tool descriptions before deployment.

Benchmark runner for evaluating MCP server performance and agentic capabilities.

MCP-native eval & observability. 12 built-in eval rules, trace logging, cost tracking. Agents discover it automatically — zero code changes.

A reference code to securely store and retrieve sensitive information using the system's native keychain

Open-source framework for building secure, testable, enterprise-grade MCP tools from SQL or Python on top of dbt + DuckDB.

Python subprocess bridge for Claude Code CLI, giving Python code direct access to Claude Code native capabilities via stream-json.

A high level asyncio native client SDK with native support for namespaced servers and caching.

TurboMCP SDK: Enterprise MCP SDK

A high-level framework for building MCP servers in TypeScript

A high-level framework for building MCP servers in Python

Programmatic tool calling (Code Mode) for MCP — turn any OpenAPI spec into two sandboxed tools (search + execute) instead of hundreds of hand-written tools

Add per-tool x402 micropayments to any MCP server. Agents pay in USDC per tool call — no API keys, no signup. Also supports Express and Next.js.

Bind an MCP server to an express server using the StreamableHTTP Transport

CodeMirror extension that implements MCP for resource mentions and prompt commands

Distributed orchestration framework for MCP servers with automatic discovery, dependency injection, and Kubernetes-native scaling

Convert your API to MCP server with built-in authentication, authorization, real-time request/response logs and metrics. HasMCP is a no-code, self-hosted API to MCP server bridge.

CLI toolkit for scaffolding, testing, and registering MCP servers across Claude, Cursor, VS Code, Codex, and Gemini

Open-source web-browsing backend for AI agents with a 42-tool MCP server for Claude Code/Cursor/Codex, REST API for n8n/Zapier/Make, federated multi-engine search, and enterprise infrastructure

Build effective agents with MCP servers using simple, composable patterns

A template repository for creating Dart MCP servers. Provides a starting point with Docker configuration, http+stdio transport bindings, and a standard Dart project structure

A Rails template for creating Paid MCP servers compatible with Claude Integrations. It uses Rails 8.0.2, Devise, Doorkeeper, FastMCP and Stripe. Has a built-in UI.