Open-source repos for Anthropic
32 repos tagged Anthropic, sorted by GitHub stars. Add filters from the other category types to narrow the list.
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anomalyco/opencode
Terminal-first coding agent (opencode) that works with many model providers and supports desktop and IDE use.
224k starsMITUpdated 3 Nov 2026
langgenius/dify
Platform for building LLM apps, chatbots and agent workflows with a visual editor and knowledge base.
LLM apps, AI agents, RAG and search, Docker, OpenAI, Operations, Engineering, SaaS, Agencies, No-code
160k starsOtherUpdated 3 Nov 2026
langchain-ai/langchain
Framework for chaining LLM calls, tools and retrievers into applications across many model providers.
LLM apps, AI agents, RAG and search, OpenAI, Engineering, SaaS
149k starsMITUpdated 3 Nov 2026
Shubhamsaboo/awesome-llm-apps
Runnable collection of LLM app and agent templates for RAG, voice, MCP and multi-agent teams.
LLM apps, AI agents, RAG and search, OpenAI, Engineering, Indie hackers
144k starsApache-2.0Updated 23 Oct 2026
modelcontextprotocol/servers
Reference MCP servers for filesystem, Git, fetch, memory and more, maintained by the MCP project.
91.8k starsOtherUpdated 29 Oct 2026
ChatGPTNextWeb/NextChat
Web and desktop chat front end for many model providers that you can deploy yourself with your own API keys.
88.9k starsMITUpdated 20 Oct 2026
lobehub/lobehub
Chat workspace for multiple AI providers with agents, plugins, knowledge base and team sharing.
LLM apps, Chatbots, AI agents, OpenAI, Ollama, Operations, Self hosters
83.7k starsOtherUpdated 3 Nov 2026
cline/cline
Coding agent for VS Code and the terminal that plans, edits files and runs commands with your approval.
71.2k starsApache-2.0Updated 3 Nov 2026
mvanhorn/last30days-skill
Agent skill that researches what people said about a topic across Reddit, X, YouTube and the web in the last 30 days.
Social listening, SEO research, AI agents, Reddit, X (Twitter), Marketing, Creators
66.4k starsMITUpdated 3 Nov 2026
BerriAI/litellm
Gateway that puts 100+ LLM providers behind one OpenAI-style API with spend tracking and limits.
62.6k starsOtherUpdated 3 Nov 2026
coreyhaines31/marketingskills
Set of marketing skills for AI coding agents covering copywriting, SEO, CRO, pricing and launch tasks.
Content writing, SEO research, AI agents, Marketing, SaaS, Indie hackers, Solo founders
58.2k starsMITUpdated 31 Oct 2026
aaif-goose/goose
Local agent that installs packages, runs commands and edits files on your machine with any model provider.
56.2k starsApache-2.0Updated 3 Nov 2026
CherryHQ/cherry-studio
Desktop workspace for chatting with many cloud and local models, with assistants, knowledge bases and MCP tools.
53.2k starsAGPL-3.0Updated 3 Nov 2026
Aider-AI/aider
Terminal pair programmer that edits files in your git repo through chat and commits each change.
49.9k starsApache-2.0Updated 22 May 2026
LibreChat-AI/LibreChat
Self-hosted ChatGPT-style interface for many AI providers with agents, file search and multi-user login.
LLM apps, Chatbots, OpenAI, Docker, IT and security, Operations, Self hosters
46.6k starsMITUpdated 2 Nov 2026
chatboxai/chatbox
Desktop and mobile client for chatting with cloud and local models, including Ollama, from one interface.
42.2k starsGPL-3.0Updated 29 Oct 2026
continuedev/continue
Coding agent and assistant for VS Code and JetBrains that works with cloud or local models.
36.4k starsApache-2.0Updated 3 Nov 2026
simstudioai/sim
Canvas for building and deploying AI agent workflows that connect LLMs to tools and business apps.
AI agents, Workflow automation, LLM apps, Docker, OpenAI, Operations, Engineering, SaaS, No-code
30k starsApache-2.0Updated 3 Nov 2026
AgriciDaniel/claude-seo
Claude Code skill pack that runs multi-agent SEO audits covering technical, schema, content and GEO checks.
Site audit, SEO research, AI agents, Web, Marketing, Agencies
26.1k starsMITUpdated 1 Nov 2026
letta-ai/letta
Platform for building agents that keep long-term memory across sessions, formerly known as MemGPT.
25.3k starsApache-2.0Updated 19 Oct 2026
czlonkowski/n8n-mcp
MCP server that gives Claude and other assistants n8n node docs so they can build and edit workflows.
Workflow automation, AI agents, Operations, Engineering, Agencies, No-code
23.2k starsMITUpdated 3 Nov 2026
emcie-co/parlant
Framework for customer-facing LLM agents that follow explicit behaviour guidelines with traceable decisions.
Chatbots, AI agents, LLM apps, OpenAI, Customer support, SaaS, Finance and fintech
18.3k starsApache-2.0Updated 3 Nov 2026
AgriciDaniel/claude-ads
Claude Code skill that audits paid media accounts across Google, Meta and other ad platforms.
AI agents, Site audit, Google Ads, Meta Ads, Marketing, Agencies
10.7k starsMITUpdated 2 Nov 2026
TheCraigHewitt/seomachine
Claude Code workspace with commands that research, write and optimize long-form SEO blog posts.
Content writing, SEO research, AI agents, Marketing, Media and publishing, Agencies
7.6k starsMITUpdated 24 Oct 2026
czlonkowski/n8n-skills
Claude skills that teach AI coding assistants how to design valid n8n workflows.
Workflow automation, AI agents, Operations, Engineering, Agencies, No-code
6.6k starsMITUpdated 24 Oct 2026
stickerdaniel/linkedin-mcp-server
MCP server that lets AI assistants read LinkedIn profiles, companies, jobs and messages.
Enrichment, AI agents, Outreach, LinkedIn, Sales, B2B services, Recruiting
4.1k starsApache-2.0Updated 1 Nov 2026
langchain-ai/social-media-agent
LangGraph agent that turns a URL into drafted social posts and schedules them after human review.
Content writing, Repurposing, Scheduling and publishing, X (Twitter), LinkedIn, Marketing, SaaS
3k starsMITUpdated 28 Oct 2026
zubair-trabzada/ai-marketing-claude
Claude Code marketing suite with skills for audits, copy, email sequences and competitor research.
Content writing, Email campaigns, AI agents, Marketing, Agencies, SaaS
2.9k starsMITUpdated 2 Mar 2026
AminForou/mcp-gsc
MCP server that lets an AI assistant query your Google Search Console data and inspect URLs.
Keyword tracking, AI agents, Site audit, Google Search, Marketing, Agencies
2.1k starsMITUpdated 15 Sept 2026
flaqai/backlink_skills
Agent skills that walk through submitting a site to free directories and listings for backlinks.
867 starsMITUpdated 2 Nov 2026
cohnen/mcp-google-ads
MCP server that lets an AI assistant query and analyze your Google Ads account data.
AI agents, Analytics dashboards, Google Ads, Marketing, Agencies
718 starsMITUpdated 17 Oct 2025
jamditis/claude-skills-journalism
Claude Code skills for reporters covering verification, FOIA requests and data journalism.
AI agents, Content writing, Marketing, Media and publishing, Data journalism
443 starsMITUpdated 30 Oct 2026