Developer Tools Listings
Compare the best open-source listings 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.
Obsidian Steward
A vault-specific agent equipped with agentic capacity, fast search, flexible commands, vault management, and terminals to "jump" into other CLI agents, such as Claude, Gemini, etc.
Cubeloop
CubeLoop — a Pythonic, async-native agent harness core designed for high performance, readability, and production-grade persistence.
Pi
A pure-Go port of pi (earendil-works/pi) — the pi-ai unified multi-provider LLM API, pi-agent-core agent loop, and pi-coding-agent, native in Go with no Node.js runtime. Anthropic/OpenAI/Google, 999-model catalog.
Sagent
A coding-agent CLI and strongly-typed Python library -- self-mutating, hot-swapping, multi-provider, with async tool calls and bidirectional recursive spawn.
Socratic
Socratic is a framework for building reliable vertical AI agents by letting human experts teach agents interactively, turning tacit domain knowledge into a continuously improving knowledge base.
Heroku MCP Server
Heroku Platform MCP Server using the Heroku CLI
Skill Of Skills
The quality-ranked discovery engine for AI coding skills, plugins and MCP servers across Claude Code, Codex, Cursor, Windsurf, Cline and more.
Dataforseo MCP Server
A comprehensive stdio MCP server for DataForSEO API
Node Candidate MCP Server
A Model Context Protocol (MCP) server library that gives LLMs access to information about a candidate.
Noema Declarative AI
A declarative way to control LLMs.
Imessage Query Fastmcp MCP Server
An MCP server that provides safe access to your iMessage database through Model Context Protocol (MCP). This server is built with the FastMCP framework and the imessagedb library, enabling LLMs to query and analyze iMessage conversations with proper phone number validation and attachment handling.
Director Mode Lite
Use Claude Code like a Director, not a Programmer. MIT toolkit with Auto-Loop, guided setup, 27 commands, 14 agents, and 32 skills.
Claude Skills
Agent Skills von LOGIN zur freien Nutzung - SKILL.md-Format fuer Claude Code, Claude-App und API
Network AI
Traffic light for AI Agents and TypeScript/Node multi-agent orchestrator with shared state, guardrails, and adapters for 32 AI frameworks
Sagentic Af
😎 Sagentic.ai Agent Framework - Sagentic.ai is a unified platform for building, running and scaling autonomous agents.
Hive
AI agent orchestration for open and closed source — a fully customizable fleet of AI agents covering every level of project maintenance, from brainstorming to full autonomy
SimpleLLMFunc
A simple and well-tailored LLM application framework that enables you to seamlessly integrate LLM capabilities in the most "Code-Centric" and "Context-Centric" manner. LLM As Function, Prompt As Code.
Maximem Synap SDK
The memory and context-management layer for production AI agents. 95.6% on LongMemEval, 93.2% on LoCoMo, with an open harness. Python + JS SDKs, 24 framework integrations, MCP server.
MCP Swagger Server
MCP Swagger Server 将任何符合 OpenAPI/Swagger 规范的 REST API 转换为 Model Context Protocol (MCP) 格式,让 AI 助手能够理解和调用您的 API。
Tonone
One session. Two commands. Full team. Zero meetings.
Boilerplate MCP Server
TypeScript Model Context Protocol (MCP) server boilerplate providing IP lookup tools/resources. Includes CLI support and extensible structure for connecting AI systems (LLMs) to external data sources like ip-api.com. Ideal template for creating new MCP integrations via Node.js.
Dev Agent Skills
Claude Code skills plugin for Git, GitHub, and skill authoring workflows
Atris
Say what you want in plain words. Atris plans it, builds it, checks it, and shows proof. CLI plus MCP server for AI agents.
Claude Code Nextjs Skills
Claude Code skills for AI apps • Next.js 16 • AI SDK 7 • pgvector • bun
List refreshed November 15, 2026. Data comes from public GitHub repositories.