#fastapi

An AI Gateway, registry, and proxy that sits in front of any MCP, A2A, or REST/gRPC APIs, exposing a unified endpoint with centralized discovery, guardrails and management. Optimizes Agent & Tool calling, and supports plugins.

AI observability platform for production LLM and agent systems.

Polar — A billing platform for the intelligence era

A GraphQL library for Python that leverages type annotations 🍓

Python Client for Supabase. Query Postgres from Flask, Django, FastAPI. Python user authentication, security policies, edge functions, file storage, and realtime data streaming. Good first issue.

Build your own Raster dynamic map tile services

FastAPI framework, high performance, easy to learn, fast to code, ready for production

SQL databases in Python, designed for simplicity, compatibility, and robustness.

🪓 An orchestration engine for background tasks, AI agents, and durable workflows

A framework to build Slack apps using Python

Codex/ChatGPT multiple account load balancer & proxy with usage tracking, dashboard, and OpenCode-compatible endpoints

Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server.

Generate Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON/YAML/CSV.

PipesHub is an open-source platform for securely connecting enterprise knowledge to AI. Give AI agents trusted context and your team permission-aware search with verified citations across your business systems.

A security library for FastAPI that provides middleware to control IPs, log requests, detect penetration attempts, honeypot setup, behavioural analysis, emergency mode lockdown, block Cloud Provider IPs, country blocking, and much more... It integrates seamlessly with FastAPI to offer robust protection against various security threats.

Open-source persistent memory for AI agent pipelines (LangGraph, CrewAI, AutoGen) and Claude. REST API + knowledge graph + autonomous consolidation.

A Flexible Service Locator for Python.

A carefully crafted, thoroughly tested, optimized companion library for SQLAlchemy

Secure, Fast, and Extensible Sandbox runtime for AI agents.

The fastest local AI engine for Apple Silicon. 4.2x faster than Ollama, 0.08s cached TTFT, 100% tool calling. 17 tool parsers, prompt cache, reasoning separation, cloud routing. Drop-in OpenAI replacement. Works with Claude Code, Cursor, Aider.

FastAPI pagination 📖

Open source alternative to LangGraph Platform (now LangSmith Deployments) - Self-hosted AI agent backend with FastAPI and PostgreSQL. Zero vendor lock-in, full control over your agent infrastructure.

Generate Pydantic v2 models, dataclasses, TypedDict, and msgspec.Struct from OpenAPI, JSON Schema, GraphQL, Avro, Protobuf, and raw JSON/YAML/CSV.

Python library for implementing GraphQL servers using schema-first approach. Created with :heart: by Mirumee

Generate and validate ISO 20022 payment files (pain.001 v03-v12, pain.008) from CSV, SQLite, JSON, or Parquet. XSD and SEPA scheme validation, pain.002 and camt.053 parsers and builders, plus a CLI, REST API, MCP server, and LSP server for editor diagnostics. 🐍