ToolAI.io · GitHub Channel

MCP & Tool Calling · Open-source AI Projects on GitHub

A fact-based index of LLM, agent, MCP, RAG and AI development projects, with license, setup, download, screenshots and related resources for each entry.

Popular tags Agent LLM RAG MCP Coding Inference Tool calling Embeddings Vector database Multimodal Fine-tuning Evaluation Open source Self-hosted Python TypeScript Rust Voice Vision Workflow

Public repository data

Project index

1 projects
Screenshot of LangChain4j
MCP & Tool Calling

LangChain4j

langchain4j/langchain4j

An idiomatic, open-source Java library for building LLM-powered applications on the JVM, offering a unified API over popular LLM providers and vector stores with support for tool calling, MCP, agents, and RAG.

★ 12.8K⑂ 2.4KJava
Apache-2.0Q98

Recently updated

codex — Coding agent and developer workflowsopenai/codex★ 106.5K NemoClaw — Agent runtime and deployment toolingNVIDIA/NemoClaw★ 22.2K XERJxerj-org/xerj★ 1.4K LangWatchlangwatch/langwatch★ 3.5K OrchestKityonatangross/orchestkit★ 222 hal0hal0ai/hal0★ 67

Most starred

Hermes Agentnousresearch/hermes-agent★ 227.1K markitdown — Document conversion and extractionmicrosoft/markitdown★ 174.2K skills — Reusable agent skills and workflowsanthropics/skills★ 169.9K Hugging Face Transformershuggingface/transformers★ 163.3K Firecrawlfirecrawl/firecrawl★ 161.1K LangChainlangchain-ai/langchain★ 143.6K