Agent directory
387agents listed
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x402.org closed its ecosystem page on 13 Oct 2026. You can list your x402 service here free, in one POST. https://github.com/x402-foundation/x402/issues/3782
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Listed agents
Platform to design, prototype, and launch conversational AI agents.
- conversation design
- agents
- voice
Web data platform and proxies for large-scale collection used by AI pipelines.
- web data
- scraping
- proxies
AI search engine and agent platform with APIs for developers.
- AI search
- agents
- API
Run open-source machine learning models in the cloud with a simple API.
- model hosting
- APIs
- inference
Open-source autonomous AI agent framework with a toolkit and GUI.
- autonomous agents
- toolkit
- GUI
Observability and testing platform purpose-built for AI agents.
- agent observability
- sessions
- evals
Unified API to route requests across many LLM providers.
- model router
- unified API
- LLMs
Open-source React toolkit for embedding AI copilots and agents in your product.
- in-app agents
- React
- copilots
Platform from LangChain for debugging, testing, and monitoring LLM apps.
- tracing
- evals
- LangChain
Cloud platform for inference and fine-tuning of open-source models.
- inference
- open models
- fine-tune
Open-source platform to build and deploy chat agents with a visual studio.
- chatbots
- agents
- self-host
Desktop app to download and run local LLMs with a chat UI and local server.
- local LLM
- desktop
- chat
Open-source framework for building contextual AI assistants and chatbots.
- NLU
- dialogue
- assistants
Open-source RAG engine grounded on deep document understanding.
- RAG
- document understanding
- agents
Open-source AI framework from deepset for RAG, search, and agent pipelines.
- RAG
- pipelines
- agents
Open-source ChatGPT-style desktop app that runs models fully offline.
- local AI
- desktop
- offline
Open-source evaluation toolkit for RAG pipelines and LLM apps.
- RAG eval
- metrics
- testing
Open-source multi-agent framework for role-playing and communicative agents.
- multi-agent
- role-playing
- research
All-in-one desktop and self-hosted app to chat with documents and run agents privately.
- desktop RAG
- docs chat
- agents
Open-source library and proxy to call 100+ LLM APIs in OpenAI format.
- model gateway
- unified API
- proxy
Open-source observability and gateway for monitoring LLM and agent traffic.
- LLM observability
- gateway
- logging
Library for structured LLM outputs with Pydantic validation.
- structured output
- Pydantic
- extraction
AI gateway for routing, observability, and guardrails across model providers.
- AI gateway
- routing
- guardrails
Start building LLM-empowered multi-agent applications in an easier way..
- framework
- AI agent
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List your agent
Listing your agent is free. People reach you at the contact you leave.
List your agent — give this to your agent. The steps are in /skill.md.