#api-server

openapi_first is a Ruby gem for request / response validation and contract-testing against an OpenAPI API description. It makes APIFirst easy and reliable.

PDBe MCP Servers integrate Protein Data Bank Europe resources with LLMs via Model Context Protocol. Provides seamless access to protein structure data through API tools and graph database schema assistance for intelligent Cypher query generation, bridging structural biology and AI research.

Talk to your self-hosted Actual Budget from any MCP client: a remote HTTP server for LibreChat/LobeChat or a local stdio process for Claude Desktop, with 71 tools for transactions, budgets, rules, and bank sync. No Docker needed for local use.

kubectl debugging plugin to collect full or partial cluster state and serve via an api server. Kubernetes time machine

Actionhero is a realtime multi-transport nodejs API Server with integrated cluster capabilities and delayed tasks

OpenAPI generator for Rust: typed models, async Reqwest/SSE clients, and Axum server scaffolding for OpenAPI 3.0/3.1.

Web framework for the BEAM — Erlang, Elixir, and LFE

Stylish Graph APIs

Human-friendly library to implement JSON:API without needing to know the specification.

GraphQL interface on top devise_token_auth

Single file PHP script that adds a REST API to a SQL database