Developer Tools MCP Servers

Xmcp

The TypeScript MCP framework

ContextOS

Context engineering platform for AI coding agents with graph-aware retrieval, repository intelligence, MCP integration, and evaluation.

Castellan

castellan — a Kotlin MCP server for the Discord REST API. 190 tools for creating and managing servers (guilds) plus full-surface coverage; pure REST, no gateway.

Agent Message

Cross-tool messaging between AI coding agents — Claude Code, Codex CLI, Cursor, Copilot, Aider. File-based: no server, no MCP, no daemon, no token. 0 LLM tokens from your terminal. Reference implementation of SAMP.

Multi-LLM council: 25+ frontier models in parallel, consensus scoring, verdict-first code review.

Mcp_on_ruby

💎 A Ruby implementation of the Model Context Protocol

Testrail Mcp Server

Test Rail MCP Server - Spring Boot & Java

Generate QR codes from text or URLs. Returns base64 PNG. x402 micropayment.

Cursor Notebook Mcp

Model Context Protocol (MCP) server designed to allow AI agents within Cursor to interact with Jupyter Notebook (.ipynb) files

MCP server that gives AI coding agents Roslyn's compiler view of a .NET solution.

Code Graph Rag

The ultimate RAG for your monorepo. Query, understand, and edit multi-language codebases with the power of AI and knowledge graphs

Cross-network DeFi API data, AMM analytics, and SDK docs for 17+ networks.

Wraps sigrok-cli for signal analysis: capture data, decode protocols, and query instruments.

Hosted MCP server and REST API that lets AI agents use apps with no API, signed in as you.

Anonymous NDA risk analysis for AI agents. $9 per report. No signup, no data retention.

SageFs

Sage Mode for F# development — REPL with solution or project loading, Live Testing for FREE, Hot Reload, and session management.

Fuel Mcp Server

A Fuel MCP server which provides support for Fuel docs and various coding IDEs such as Cursor.

AI Agents Orchestrator

🪈 Intelligent orchestration system that coordinates multiple AI coding assistants (Claude, Codex, Gemini CLI, Copilot CLI) to collaborate on complex software development tasks via REPL or a Vue/Nuxt UI dashboard. Also includes an Agentic Team runtime with role-based multi-agent open communication & lead-gated final responses.

Rust Mcp Server

MCP server for development in Rust

Skillz

An MCP server for loading skills (shim for non-claude clients).