Testing & Quality MCP Servers — Page 2

Inbox Check — Email Deliverability Test

Email inbox placement tests across Gmail, Outlook, Yahoo, Mail.ru, Yandex (SPF/DKIM/DMARC).

Rapidly

Test the idea before you build it. Rapidly works inside your AI agent.

GlockApps — Inbox Placement Testing

Inbox placement tests across Gmail, Outlook, Yahoo and 30+ providers.

com.maxoperf/maxoperf

Load & browser performance testing — drive MaxoPerf from your AI agent with your API key.

Human For AI

Hire a real human for real-world verification, product testing, AI output review, and errands.

io.github.acabala/apidog-tests-mcp

MCP server for managing Apidog test cases, scenarios, suites, and test data

io.github.aditya-ariosity/wcag-accessibility

A WCAG accessibility testing MCP for AI agents, Codex, Claude Code, and automated UI audits.

io.github.Aethis-ai/aethis-mcp

Deterministic eligibility decisions and test-driven rule authoring via the Aethis developer API.

Regex Lab

Test regular expressions in a timeout-guarded worker, explain them, find catastrophic backtracking.

Regex Tester API

Test, validate and explain regular expressions with match highlighting. x402 micropayment.

io.github.brunovicco/openfinance-br-mcp

Secure Open Finance Brasil MCP server with typed tools and a credential-free mock mode

io.github.CrossPad/crosspad-mcp

Development workflow server for CrossPad — build, test, run, screenshot, and navigate code

Microsoft Entra SCIM

Microsoft Entra SCIM 2.0 Provisioning API: user and group lifecycle, with a local mock.

CarMaker

Drive IPG CarMaker for Simulink: run test runs, read results, edit vehicle data and parameters.

Conning

Run commands on your remote test machines over SSH without the agent ever seeing a secret.

ApplyGenie

Autonomous job application copilot, ATS form filler, and AI mock interview engine.

io.github.fdcommercial/property-finance-mcp

UK property finance: bridging cost, dev appraisal, BTL stress test, stamp duty (SDLT/LBTT/LTT).

Flyto2 Runtime

Self-hosted MCP runtime for ChatGPT to edit files, run commands, and test local projects.

io.github.frozo-ai/edgegate-mcp

Regression-test AI models on real Snapdragon and Jetson hardware, with signed evidence for CI.

FIXSIM

Test FIX from Claude, ChatGPT, or Cursor: free sandbox FIX sessions or your own FIXSIM instances.

io.github.girik-chadha/interviewer-mcp

Full technical interview prep: company briefing, concepts, code deep-dive, mock interviews.

Volta Notes

Burn-after-read encrypted notes. E2E encrypted, decentralised on the Internet Computer.

Testers.ai CARBON Test Harness Lite

Local QA workflows, test evidence, screenshot maps and confidence reports for AI coding agents.

xcforge - iOS MCP Server & CLI

95 MCP tools for iOS — build, test, simulate, automate UI, capture, and diagnose.

AWT (AI Watch Tester)

AI-powered E2E testing MCP server. Detects and auto-fixes UI bugs via DevQA Loop and Vision AI.

doublespeed — Xcode as an API

Build, test and run iOS apps on a remote Mac from any machine. XcodeBuildMCP-compatible tools.

com.ascent-partners/coso-mcp

Open COSO internal-control review MCP: scope, risk, controls, sampling, testing, workpapers.

Pink Agentic AI Payments

Pink Agentic AI Payments: AI agents pay within spending rules (budgets, caps, approval). Sandbox.

Cloak Proxy

Read, mock, pause and replay HTTPS traffic captured by Cloak Proxy, a free macOS debugging proxy.

io.github.10iii/air

AI-optimized tool output compression for read, grep, diff, bash, test, web, search, and more

io.github.aarwitz/tapp

Test iOS, Android, and web apps with agent exploration, replayable flows, and CI gates.

Agenzax

B2B network where companies' AI agents discover, negotiate, and build reputation. E2E-encrypted.

Godot MCP Loop

Drive a live Godot 4 editor: edit scenes and scripts, run and test the game, record GIFs.

Aether WCAG Scanner

WCAG 2.1 AA accessibility scanner (Playwright + axe-core) with grounded, browser-verified fixes.

io.github.anilloutombam/mcp-failure-lab

Deterministic fault-injection server for testing how MCP clients handle failures and recover.

Account Pool

Exclusive, crash-safe leases on a pool of test accounts for parallel agent QA runs.

Browsegrab

Token-efficient browser agent for local LLMs. Playwright + accessibility tree + MarkGrab.

io.github.atlas26onchain/atlas-mcp

Base token safety checks (honeypot test, liquidity, new launches), paid per call in USDC via x402.

VitaminMCP

Test Minecraft plugins end to end: drive a real Paper server and real protocol bots.

io.github.bharath-krishna/mcp-test

A simple MCP server with an echo tool for testing purposes

io.github.bitterdev/pixelletter-mcp

Send physical letters and faxes through the PixelLetter interface, test mode included.

io.github.Braynexservices/nigeria-fx-rates

Live Naira (NGN) exchange rates vs USD/EUR/GBP — keyless, free, cached ~1h. Mock default offline.

BuildPulse

BuildPulse CI test analytics for AI agents — flaky tests, CI failures, flakiness, and code coverage.

io.github.Creed-Space/mettle-mcp

Experimental reverse CAPTCHA with signed badges and credentials. Not proof of identity or substrate.

io.github.csa7mdm/dotnetdevmcp

MCP server that gives AI coding agents Roslyn's compiler view of a .NET solution.

io.github.cuonztech/agent-harness

MCP chaos-testing toolkit. Default: simulated demo. Configure proxy mode to test a real agent.

io.github.dbsectrainer/mcp-eval-runner

A standardized testing harness for MCP servers and agent workflows

CarMaker

Drive IPG CarMaker for Simulink: run test runs, read results, edit vehicle data and parameters.