APIs

A self-hosted geospatial data catalog that brings files, database tables and remote service snapshots into one searchable index, with a browser-based map builder and OGC and STAC APIs for existing GIS tools.

• APIs
• Data engineering

A self-hosted, read-only MCP server that lets an AI assistant answer questions about your own bank accounts by connecting through the Enable Banking open-banking provider, without storing balances or transactions itself.

• MCP servers
• APIs

A collection of open-source MCP servers that let an AI agent operate a business across Latin America, wrapping payment, invoicing, banking, logistics and messaging providers in Brazil, Mexico, Argentina, Colombia, Chile and Peru behind one interface.

• MCP servers
• APIs

A Model Context Protocol server that reads an OpenAPI specification and exposes its endpoints as callable tools, letting an LLM client discover and call a REST API without custom integration code.

• MCP servers
• APIs

An MCP server, official from Postman, that connects AI coding agents such as Claude Code, Cursor and VS Code Copilot to a user's Postman workspaces, collections, API specifications and environments.

• MCP servers
• APIs

A Model Context Protocol server that exposes an existing GraphQL API's operations as MCP tools, giving an AI model a standard way to access and orchestrate it.

• MCP servers
• APIs

guardrail is a code generator that turns OpenAPI and Swagger specification files into Scala and Java client and server code for frameworks such as akka-http, http4s, dropwizard and spring-mvc.

• APIs

Asqav SDK provides Python and TypeScript client libraries for asqav.com that produce a signed, hash-chained compliance receipt for each AI agent action, verifiable by anyone without an Asqav account.

• Security
• APIs

A free QR code generation service reachable entirely through curl, turning any text or file piped to it into a QR code as an image, SVG, or plain text, with configurable size, color, and error-correction level.

• CLI tools
• APIs

Smithy code generators for Rust that produce clients, servers, and the entire AWS SDK for Rust from Smithy API model definitions.

• APIs

A self-hosted, open-source shipping platform that gives a single API and dashboard for rating, purchasing labels from, and tracking packages across many carriers, such as UPS, FedEx, DHL, and USPS.

• APIs
• Backend

A schema-driven framework for defining a web service's API once and generating matching, fully typed server and client code in Go, TypeScript, JavaScript, Kotlin, Dart, Swift, and OpenAPI.

• APIs

A SQL-based framework for querying, provisioning and operating cloud, SaaS, API and MCP resources, usable by both people and AI agents.

• APIs
• Hosting

A Model Context Protocol server for Claude and Cursor that lets an AI agent search and explore OpenAPI specifications in simple language rather than reading a raw spec directly.

• MCP servers
• APIs

Pure-Python tools and research notes that reimplement X.com's internal web protocol, letting scripts read tweets and timelines, search, and post using an authenticated browser session's own tokens.

• APIs

The Alpaca MCP Server is Alpaca's official MCP server for its brokerage Trading API, letting an AI assistant such as Claude, Cursor or VS Code place stock, option and crypto trades, manage a portfolio and pull real-time market data from plain-language requests.

• MCP servers
• APIs

A self-hosted, low-code platform that generates a full-stack application's database, secure REST API, business logic and frontend from plain English, with an MCP server exposing every endpoint as an agent tool.

• APIs
• Backend

A GraphQL federation gateway that combined multiple GraphQL services into one API; the hosted platform has shut down and the gateway is now in maintenance mode.

• APIs

A zero-authentication toolkit of US stock market data endpoints, including CBOE options Greeks, FINRA short volume and SEC EDGAR filings, packaged as a single Skill file for AI coding assistants.

• Agent skills
• APIs

An open-source, no-code tool that generates REST, GraphQL, and MCP endpoints for a database, running in a container on Azure, another cloud, or on-premises.

• APIs
• Databases

An open standard, maintained by OpenAI and Stripe, that defines how buyers, their AI agents and businesses complete a purchase together using existing commerce infrastructure.

• Agent frameworks
• APIs

Kubb is a plugin-based code generation framework that reads an OpenAPI schema and generates TypeScript types, typed clients, TanStack Query or SWR hooks, Zod validators and mock handlers from it.

• Libraries
• APIs

An open-source, cloud-native AI and API gateway and developer portal that connects more than 100 AI models behind one standardized API, alongside general API management, monitoring and a team developer portal.

• LLM gateways
• APIs

An offline, Git-native API workspace that stores requests, tests, notes, and documentation together as plain-text files, instead of in a proprietary collection format.

• Testing
• APIs