Developer Tools MCP Servers
Compare the best open-source MCP servers for developer tools. SDKs, CLIs and frameworks for building with AI. Ranked by GitHub stars, with install commands, what each one can touch and scan reports where available.
Augments MCP Server
Comprehensive MCP server providing real-time framework documentation access for Claude Code with intelligent caching, multi-source integration, and context-aware assistance.
Erpnext MCP Server
Connect AI assistants to your ERPNext instance via the Model Context Protocol (MCP) using the official Frappe API.
Openlegion
Secure autonomous AI agent framework and platform. Build AI teams by describing what you want. Orchestrate agents that can do everything a human can do.
Agent Ecologies
Ultimate Multi-Agent OS for Autonomous AI NPCs 2026
Tasktrooper
Local-first agent platform: board + role agents + agent CLI runs (Claude Code, Cursor, Antigravity, OpenCode) or local and API models (Ollama, LM Studio), all on your own Pc
Deepl MCP Server
A Model Context Protocol (MCP) server that provides translation capabilities using the DeepL API.
Nosis
Nosis is a lightweight personal agent runtime: per-session execution boundaries with OS-level sandboxing, computer use, a full built-in toolset, Skill / Plugin / MCP extensions, one runtime shared by GUI and TUI, and file-persisted sessions, plans, and memory.
Pfsense MCP Server
Model Context Protocol (MCP) server for pfSense firewall management. Control firewall rules, VPNs, DNS, DHCP and diagnostics in natural language from Claude Desktop, Claude Code or any MCP client — 333 wire-format-verified tools for the pfSense REST API, with safety guardrails, config backup and rollback on every change.
MCP Server
Harness’ official MCP Server
Placecall
The phone is your last API. Give your agent a voice to call any US business - reservations, inquiries, quotes. Verified outcome + transcript. First 250 calls free.
MCP Server
The UI5 MCP server improves the developer experience when working with agentic AI and the UI5 framework.
Atlas Agent Control Plane
AtlasAgent - an auditable AI agent control plane: evidence-backed memory, governed tool runtime, checkpoint DAG recovery, and a 55-chapter engineering tutorial. FastAPI / Next.js PWA / Textual TUI
Omux
Orchestrate AI coding agents (Claude Code, Codex) as parallel subagents over tmux — a loop-engineering runtime with auto-continue, execute-then-review, and cross-session memory.
Matryca Plumber
Local-first AI daemon for Logseq OG: background semantic indexing, link hygiene, and agent-ready CLI/MCP — edits Markdown on disk (no cloud, no Logseq API). Karpathy LLM-Wiki inspired.
Claude Plugins
28 plugins and MCP servers for Claude Code — TDD, multi-agent orchestration, iterative refinement, binary RE, structured decisions. Install any skill in one command.
Agent Skills
90 specialist AI agents + 3 project-local extensions for Claude Code / Codex CLI / Antigravity CLI (agy). Anthropic Agent Skills spec-aligned, hub-spoke orchestration via Nexus with 49 Recipes and 11 Skill Packs. Covers development, security, design, testing, FinOps, compliance, observability, and AI/ML.
MCP Server Circleci
[DEPRECATED] This package is no longer maintained. Migrate to CircleCI's hosted MCP server or the CircleCI CLI MCP. See https://circleci.com/docs/guides/toolkit/circleci-mcp-overview/
Clutch
Local AI multi-agent orchestration desktop app (Tauri · LangGraph)
OWASP MCP Governance And Risk Project
A practical governance framework for organizations adopting the Model Context Protocol (MCP), the open standard that lets AI agents connect to external tools, data sources, and systems.
Openproject MCP Server
A Model Context Protocol (MCP) server that provides seamless integration with OpenProject API v3.
Openacme
An AI workforce platform: role-specialized agents with multi-provider LLM, MCP, tasks, and a web + CLI UI. You're in charge.
Wuwe
A framework for building intelligent agents
Agents Shipgate
The deterministic merge gate for AI-generated agent capability changes — a local-first, static Tool-Use Readiness review for MCP, OpenAPI, and SDK tool surfaces. Open-source CLI + GitHub Action.
Cubeloop
CubeLoop — a Pythonic, async-native agent harness core designed for high performance, readability, and production-grade persistence.
List refreshed November 15, 2026. Data comes from public GitHub repositories.