HTTP servers and APIs for projects built with AI agents
Express, FastAPI, Hono, uvicorn, API frameworks. 30 tools ranked by how many of 12,697 public projects built with AI coding agents use them, with downloads and GitHub stars. Updated Oct 10, 2026.
| Tool | Used in agent projects | Downloads / wk | GitHub stars | License |
|---|---|---|---|---|
| Express npm Fast, unopinionated minimalist web framework for Node.js. |
822 (6.5%) | 142M | 69.6K | MIT |
| Uvicorn pypi Lightning-fast ASGI server for running async Python web applications. |
544 (4.3%) | 13M | 11K | — |
| FastAPI pypi High-performance Python web framework with automatic API docs and async support. |
537 (4.2%) | 107M | 103K | — |
| cors npm Express/Node.js middleware for handling Cross-Origin Resource Sharing. |
422 (3.3%) | 86.8M | 6,195 | MIT |
| python-multipart pypi Streaming multipart parser for handling file uploads in Python web frameworks. |
217 (1.7%) | 92.8M | 536 | — |
| Flask pypi Lightweight Python web framework for building web applications and APIs. |
174 (1.4%) | 40.9M | 75K | — |
| Hono npm Ultrafast web framework for edge runtimes built on Web Standards. |
136 (1.1%) | 73.9M | 32.5K | MIT |
| express-rate-limit npm Express middleware for rate limiting API requests by IP address. |
105 (0.8%) | 57.6M | 3,311 | MIT |
| GraphQL.js npm JavaScript implementation of GraphQL query language and runtime. |
105 (0.8%) | 50.6M | 20.3K | MIT |
| Starlette pypi Lightweight ASGI web framework for building Python APIs and web applications. |
104 (0.8%) | 134M | 12.7K | — |
| multer npm Express middleware for handling file uploads in multipart/form-data requests. |
94 (0.7%) | 22.8M | 12.1K | MIT |
| Gunicorn pypi WSGI HTTP server for running Python web applications in production on Unix systems. |
92 (0.7%) | 24.7M | 10.7K | — |
| body-parser npm Express.js middleware for parsing request bodies in various formats. |
78 (0.6%) | 148M | 5,497 | MIT |
| Werkzeug pypi Comprehensive WSGI web application library with utilities for building Python web apps. |
73 (0.6%) | 55.3M | 6,879 | — |
| tRPC npm Build end-to-end typesafe APIs with TypeScript without code generation. |
60 (0.5%) | 5.5M | 40.7K | MIT |
| cookie-parser npm Express middleware for parsing and handling HTTP request cookies. |
59 (0.5%) | 11.7M | 2,030 | MIT |
| compression npm Node.js middleware for gzip/deflate compression of HTTP responses. |
57 (0.4%) | 44.4M | 2,805 | MIT |
| NestJS npm Progressive Node.js framework for building scalable and maintainable server-side applications. |
50 (0.4%) | 16.8M | 76.8K | MIT |
| Django pypi High-level Python web framework for rapid development with clean design. |
45 (0.4%) | 10.3M | — | — |
| sse-starlette pypi Server-sent events support for Starlette web framework. |
43 (0.3%) | 61.5M | 855 | — |
| http-server npm Simple zero-configuration command-line HTTP server for development and testing. |
42 (0.3%) | 7.1M | 14.2K | MIT |
| @vercel/functions npm Runtime functions API for Vercel Functions serverless deployments. |
40 (0.3%) | 9.2M | 16.4K | Apache-2.0 |
| Swagger UI Express npm Express middleware to serve interactive Swagger/OpenAPI API documentation. |
35 (0.3%) | 4.4M | 1,495 | MIT |
| Vercel Node.js Runtime npm Vercel's official Node.js runtime for serverless function deployment. |
34 (0.3%) | 5.3M | 16.4K | Apache-2.0 |
| Nitro npm Build and deploy universal JavaScript servers with zero-config. |
34 (0.3%) | 13M | 11.3K | MIT |
| asgiref pypi ASGI spec implementation and utilities for building async Python web applications. |
30 (0.2%) | 31.2M | 1,631 | BSD-3-Clause |
| Tornado pypi High-performance Python web framework and async networking library for building servers. |
30 (0.2%) | 24.8M | 22.2K | Apache-2.0 |
| uvloop pypi Fast asyncio event loop implementation for Python based on libuv. |
29 (0.2%) | 62.1M | 11.9K | MIT License |
| Fastify npm Fast and low-overhead web framework for Node.js with excellent performance and developer experience. |
27 (0.2%) | 15.3M | 37.2K | MIT |
| serverless-http npm Adapt Node.js web frameworks like Express to run on serverless platforms. |
27 (0.2%) | 398K | 1,778 | MIT |
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