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.
OpenAgentCore
The OpenAI Agents API, open source and self-hosted. Run Codex, Claude Code or MiniMax Code on your own machines with your own models, through the official OpenAI SDK.
Agentao
Local-first, governed AI agent runtime for Python — embed it in your app, or run it as a CLI or ACP server. Permissions, MCP, memory and audit replay built in.
Agentic Harness Patterns Skill
Agent skill for harness engineering — memory, permissions, context engineering, multi-agent coordination. Distilled from Claude Code, with Codex CLI and Gemini CLI on the roadmap. EN/ZH. Install via npx skills add.
MCP Server Mas Sequential Thinking
An advanced sequential thinking process using a Multi-Agent System (MAS) built with the Agno framework and served via MCP.
Flama
The production framework for Predictive and Generative AI. Serve any model as an API in one line, with OpenAI/Anthropic/Ollama-compatible endpoints, a built-in chat UI, and native MCP.
Wikipedia MCP
A Model Context Protocol (MCP) server that retrieves information from Wikipedia to provide context to LLMs.
Codex Bridge
ChatGPT的MCP 桥接工具,赋予网页版ChatGPT本地读写能力,并将ChatGPT连接至本机codex、agy、dsh、opencode,作为大脑调用本机agent。Connect ChatGPT to local projects and coding agents via MCP. Run Codex, OpenCode, DeepSeek Harness & Antigravity with approvals, live output and session control.
LazyOwn
837 CLI commands. Multi-operator C2. 153 MCP tools for AI agents. The First OSS C2 with Linux native c BOF support + built-in YARA/Nuclei marketplaces.
Orchestkit
The Complete AI Development Toolkit for Claude Code. 106 skills, 36 agents, 171 hooks. Install `ork` for stable (v9.x), or `ork-alpha` for the v10 line, which ships daily.
Nac
Give AI agents ambitious work without losing the plot. nac is an open-source harness for long-running tasks, using a central orchestrator, threads, and structured episodes to stay aligned with your intent.
Hull
The incredible HULL - Helm Uniform Layer Library - is a Helm library chart to improve Helm chart based workflows.
AI Code Interface El
Unified Emacs interface supporting OpenAI Codex, Antigravity CLI, Claude Code, Pi agent, Muse Code, and more
Claudemap
google maps for vibecoders.
Sudocode
Lightweight agent orchestration dev tool that lives in your repo
Context Engineering For Multi Agent Systems
Save thousands of lines of code by building universal, domain-agnostic Multi-Agent Systems (MAS) through high-level semantic orchestration. This repository provides a production-ready blueprint for the Agentic Era, allowing you to replace rigid, hard-coded workflows with a dynamic transparent Context Engine that provides 100% transparency.
Skills
265+ Claude Code skills for every major framework and language. Install with: npx skills add Mindrally/skills
Mimir
Mimir - Fully open and customizable memory bank with semantic vector search capabilities for locally indexed files (Code Intelligence) and stored memories that are shared across sessions and chat contexts allowing worker agent to learn from errors in past runs. Includes Drag and Drop multi-agent orchestration
Opencode Agent Skills
An OpenCode plugin that provides tools for using agent skills
Dsh Agent Team Gui
Persistent multi-model workflow teams for DeepSeek Harness — dynamic lead planning, bounded DAGs, per-agent model/tools, Run Center and Token insights.
Deepseek Harness Desktop
Compact DeepSeek Harness desktop host with a native SwiftUI iPhone Remote source preview.
Play Console CLI
Fast CLI for Google Play Console, for developers optimized for your agentic development flows
Pasal
Pasal.id - The first open, AI-native Indonesian legal platform. MCP server + REST API + web app giving AI grounded access Indonesian laws.
Facebook Ads Library MCP
Free, self-hosted MCP server that scrapes the public Facebook Ad Library (no API token) for competitive ad research — advertiser, copy, landing pages, CTAs, any country.
Python SDK
Dapr SDK for Python: build durable AI agents and resilient microservices with workflows, actors, state, pub/sub and the LLM Conversation API, plus LangGraph and Strands integrations for fault-tolerant agentic apps.
List refreshed November 15, 2026. Data comes from public GitHub repositories.