SDKs & API Development Tools

Provider-agnostic TypeScript toolkit for building AI-powered applications and agents. Unified API for OpenAI, Anthropic, Google, and 20+ providers with first-class streaming, tool-calling, and structured output support. Apache 2.0 licensed.

Multi-platform SDK for integrating GitHub Copilot Agent into apps and services. Production-tested agent runtime with planning, tool invocation, and context management. Build Copilot-style agents without writing your own orchestration. MIT licensed.

Gateway and registry for MCP/A2A/REST APIs with unified discovery, routing, and guardrails for production agent integrations.

Open-source SDK generator for REST APIs. Generate type-safe API clients in TypeScript, Python, Go, Java, and more from OpenAPI specs. Powers SDKs for companies like OpenAI, Anthropic, and Cloudflare. Apache 2.0 licensed.

Generates typed SDKs, API documentation, and MCP servers from OpenAPI, AsyncAPI, GraphQL, Protocol Buffer, OpenRPC, and Markdown sources. MIT licensed.

TypeScript framework that runs an agent over iMessage, WhatsApp Business, Telegram, Slack, and the terminal through one message loop, with hosted Spectrum Cloud or a local iMessage database. MIT licensed.