Testing & QA MCP servers

Mockserver

mock-server

Mock, record/replay, verify and chaos-test any HTTP, REST, gRPC or LLM dependency over MCP.

Caveat Lang

WSattazahn

Authoring bridge for Caveat: validate, check and test programs; explain decisions; find dependents.

Testera

sslugic

Free test management over MCP: projects, test cases, plans, runs, environments and tasks.

PrufGate

GuardianVigil-Labs

Read-only tools that check whether code, and the tests that claim it works, are real.

Jarroba Tools · Test audit

Invarato

Audits tests instead of writing them: what each one really asserts. 4 tools, local.

Testrail MCP Server

uarlouski

Connect AI assistants to TestRail: manage test cases, suites, runs, results, and attachments.

MarketMirror

DarkWorldCoder

Test ads, prices and sales pitches on simulated buyers; get a go / iterate / no-go report.

Backed: NEAR solvency checks

rohan911438

Check if a NEAR protocol holds the tokens it owes, read at one block. Read-only.

Testdelta

CloudCorpRecords

Base-vs-head test result differ: named tests added, removed, and changed, never raw counts.

Kolejki Nfz MCP

ContentWriterco

NFZ waiting times in Poland: where a specialist, test or treatment is available soonest

OnionLens Tor Tools

NellInc

Tor address validation and retrieval fixtures, with disclosed research logging.

Qai Consultant MCP

gvasile29

Keyless local MCP server for QA: standards retrieval, effort estimation, doc review, test analysis.

A11y Check

IsaacEryn

Web accessibility scanning (WCAG 2.2 AA + KWCAG 2.2) with Korean remediation guides

QA Wrap bridge

NJ-Burrito

Read-only MCP server: a coding agent reads test sessions recorded in QA Wrap. Local only.

pagent

aihumin

A/B testing MCP server for pagent: create, run and review A/B tests on your live website.

OverlayQA

OverlayQA

Run accessibility, contrast, and design token audits and file QA issues from your AI coding tool.

behave

emirmrkaljevic

Record how any CLI behaves and check that a rewrite behaves the same (golden tests).

Agent Conversion — AI Website Conversion Testing

Ivanpq98

Test whether AI agents complete SaaS pricing, signup or sales journeys; get evidence-backed reports.

Filenymous Sharewall

Geoking2104

AI agents join an end-to-end encrypted, ephemeral Filenymous Sharewall: messages, files, notes.

JSON Mender MCP

headlessherm-creator

Local MCP server: JSON repair, regex testing, JSON-Schema validation for AI agents.

Docvet

Alberto-Codes

Docstring quality vetting for Python -- enrichment, freshness, coverage, and presence checks

YoushowPTE MCP

rico-c

Read-only MCP for PTE Academic question types, sample questions, test format and score requirements.

CARBON

jarbon

AI testing harness with Jay: risk-based checks, bug investigation, and local evidence reports.

sketch/design — System Design Interview Board

tGhattas

Hand-drawn whiteboard for system design mock interviews; your AI watches, asks and gives feedback.