Best AI agents for testing apps (2026)

S

Strix

NewcodingOpen source + cloud

Open-source AI agents that run penetration tests on your app to find and help fix security vulnerabilities.

G

Goose

NewcodingOpen source

Extensible open-source AI agent that installs, runs, edits and tests code on your machine with any LLM and MCP extensions.

V

Vibe-Trading

NewcryptoOpen source

Open-source personal trading agent for researching markets and testing strategies in natural language.

P

PentAGI

NewcodingOpen source

Autonomous multi-agent system for running penetration testing tasks.

Q

Qodo

NewcodingFreemium

AI code review and testing agents that work in the IDE, the terminal and pull requests to catch issues before merge.

U

Unity MCP

NewMCP & infraOpen source

MCP tools and CLI that let AI agents develop and test inside the Unity engine.

P

PentestAgent

NewcodingOpen source

Agent framework for black-box security testing and bug bounty work.

M

MATLAB MCP Server

NewMCP & infraOpen source

MathWorks' MCP server that lets coding agents run MATLAB code and tests.

T

Testkube MCP

NewMCP & infraOpen source

Testkube MCP server for managing test workflows and executions.

C

CircleCI MCP

NewMCP & infraFreemium

CircleCI's MCP server for inspecting projects, pipelines, failed jobs and test results from coding agents.

C

Coldtea

NewcodingPaid

Agents that test every pull request on real devices, watch production and file issues before users hit them.

H

Hamming AI

Newevals & observabilityPaid

Testing and QA platform for voice and chat agents that generates scenarios and replays real calls.

K

KaneAI

NewcodingPaid

AI testing agent that plans, writes and evolves end-to-end tests from natural language.