Model Context Protocol (MCP) Client for Apify's Actors

Goku is an HTTP load testing application written in Rust

Runtime intelligence system that makes MCP servers debuggable, testable, and safe to run in production.

A native desktop application for developing, testing, and debugging Model Context Protocol servers.

Visual testing tool for MCP servers

Sage Mode for F# development — REPL with solution or project loading, Live Testing for FREE, Hot Reload, and session management.

CLI tool for controlling Unity Editor via command line - Play Mode, console logs, tests, scenes, GameObjects and more

A test runner for agentskills.io-style AI agent skills

Open-source statement-level Playwright tracer, purpose-built for AI agents. Analyzes test runs with increased accuracy.

Token-efficient, local-first CLI tools for coding agents - compact Maven, npm/Node, and Go test output plus reusable development helpers.

Security testing that runs inside the coding agent you already use. Source-available, not open source.

Authorized security testing workspace. v2 TypeScript terminal product on release; v1 Python on pypi-release; Go branch is demo only.

MockServer is an HTTP(S) mock server and proxy for testing that lets you mock APIs, inspect and modify live traffic, and inject failures. It supports HTTP/1.1, HTTP/2, gRPC, WebSockets, TCP and more on a single port, with additional support for HTTP/3, message brokers, and AI/LLM APIs.

A self-hosted sandbox for red teams to test payloads against modern detection before deployment. MCP integration lets an LLM agent drive analysis end to end.

Agent Skills Evaluation Framework

an open source, extensible AI agent that goes beyond code suggestions - install, execute, edit, and test with any LLM

Crabbox: warm a box, sync the diff, run the suite.

Metis is a coding agent that boosts AI/LLM coding performance by 50%

Build Secure and Compliant AI agents and MCP Servers. YC W23

Open-source adversary emulation for AI agents and MCP servers.

Non-Invasive goroutine inspector

Deterministic, local-first memory and guardrails for AI coding agents with no LLM in the hot path.

The evaluation benchmark on MCP servers

A standalone CLI tool for n8n