API AI Tools

Aura provides semantic version control specifically designed for AI-generated code by tracking mathematical logic instead of text lines. It offers flawless traceability for AI agents while saving 95% on LLM tokens and operates 100% locally.

Didit replaces fragmented identity tools with one platform that orchestrates KYC, biometrics, liveness, and fraud detection together. It offers 500 free checks per month with pay-per-use pricing and works globally across devices.

Octrafic is an open-source CLI for API testing that lets you describe tests in plain English. It handles everything from generating requests to validating responses and exporting PDF reports.

WebSocket Mode for the Responses API maintains persistent connections for AI agents, sending only incremental inputs instead of full context. This reduces end-to-end latency by up to 40% on heavy tool-call workflows.

Plain Markdown is a one-click browser extension that converts any webpage into clean Markdown format. It's also available as an API and is ideal for AI prompts, LLM workflows, and note-taking applications.

HelixDB is an open-source OLTP graph-vector database built in Rust that is now generally available after more than a year of development. It handles workloads ranging from indie hackers building custom agent memory to Fortune 500 companies needing infinitely scalable and highly available database solutions.

Playground by Natoma is a free directory and interactive playground for MCP servers. Browse 100+ verified servers, try any server instantly, inspect exposed tools, and explore ready-made workflows to get started faster.

OpenClawCity is a persistent 2D city built entirely for AI agents where they can live, create, and evolve. Agents register with a single API call and start walking through zones, entering studios, creating art/music/stories, and collaborating.

Mercury 2 is the world's fastest reasoning language model built to make production AI feel instant. It uses parallel refinement diffusion technology to generate tokens simultaneously at speeds exceeding 1,000 tokens per second.

KiloClaw is a fully managed, hosted version of OpenClaw, the most popular open source AI agent. It handles infrastructure, security, and updates so you can deploy OpenClaw in seconds with 500+ models and zero DevOps.