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Open Source AI Gateway for 100+ LLMs. Self-hosted. Enterprise-ready.

Open-source, high-performance AI gateway that works as your LLM gateway, MCP gateway and agent gateway. One OpenAI-compatible API for 10,000+ models, with failover, load balancing, semantic caching, virtual keys, budgets and MCP Code Mode.

The missing integration layer for AI agents. Let them call any OpenAPI / MCP / GraphQL / custom js functions in secure environment.

An open-source Agent-first Identity and Access Management (IAM) /LLM MCP & agent gateway and auth server with web UI supporting OpenClaw, MCP, OAuth, OIDC, SAML, CAS, LDAP, SCIM, WebAuthn, TOTP, MFA, Face ID, Google Workspace, Azure AD

0 release. You can try the pre-release branch here. > Read more about what's next for Portkey in our Series A announcement.

Open-source, self-hosted MCP gateway: turn any REST/OpenAPI, SOAP, GraphQL, OData or SQL API into MCP tools for Claude, ChatGPT & Copilot. 474 connectors incl. SAP S/4HANA & Business One, ERP, e-commerce.

The fullstack MCP framework to develop MCP Apps for ChatGPT / Claude & MCP Servers for AI Agents.

Kong or Kong Gateway is a cloud-native, platform-agnostic, scalable API 𖧹 LLM 𖧹 MCP Gateway distinguished for its high performance and extensibility via plugins.

Nasiko is a single control-plane process that sits in front of every agent and answers all of that.

The execution control plane for AI agents. Govern every model request, MCP tool call, A2A delegation, and downstream action—while keeping your native protocols intact: six native LLM protocols in, six native LLM protocols out.

Open Source API and AI Gateway supporting REST, GraphQL, TCP, gRPC and MCP (Model Context Protocol)

Go Micro is an agent harness and service framework for Go.

IMPORTANT] > As of February, 2026, I'm archiving this project since it is no longer being actively developed.