MCP Server Testing MCP Servers

Tools and frameworks for testing MCP servers, including test case generation, mocking, assertions, and integration testing. Does NOT include debugging/inspection tools, monitoring, or general quality analysis.

There are 48 mcp server testing servers tracked. The highest-rated is apify/tester-mcp-client at 47/100 with 77 stars.

Get all 48 projects as JSON

curl "https://pt-edge.onrender.com/api/v1/datasets/quality?domain=mcp&subcategory=mcp-server-testing&limit=20"

Open to everyone — 100 requests/day, no key needed. Get a free key for 1,000/day.

# Server Score Tier
1 apify/tester-mcp-client

Model Context Protocol (MCP) Client for Apify's Actors
47
Emerging
2 dkmaker/mcp-rest-api

A TypeScript-based MCP server that enables testing of REST APIs through...
47
Emerging
3 Portkey-AI/hoot

MCP Testing Tool — Like Postman, but for the Model Context Protocol.
47
Emerging
4 mcpland/mock-mcp

Mock MCP Server - AI-driven mock data orchestration with OpenAPI JSON Schema...
47
Emerging
5 fabkho/nuxt-i18n-mcp

MCP server for managing i18n translation files in Nuxt projects
41
Emerging
6 mcpland/testing-mcp

Let LLMs author your integration tests—E2E-style.
41
Emerging
7 josharsh/mcp-jest

Automated testing for Model Context Protocol servers. Ship MCP Servers with...
39
Emerging
8 Mallikarjun-Roddannavar/ai-testcase-generator-mcp

An Model Context Protocol(MCP) server that generates comprehensive API test...
36
Emerging
9 BjoernRave/i18n-magic

CLI to help you manage your locales JSON with translations, replacements,...
36
Emerging
10 andrecrjr/mockzilla

Mockzilla is the Next Gen Mocking Tool API Server to easier create endpoints...
36
Emerging
11 shunseven/mocxykit

This is an Frontend development service middleware that can be used with...
35
Emerging
12 dotsetlabs/bellwether

Open-source testing tool for Model Context Protocol (MCP) servers. Detect...
34
Emerging
13 nette/mcp-inspector

Nette application inspector via MCP protocol
34
Emerging
14 gabry-ts/mcp-harness

In-memory testing toolkit for MCP servers in TypeScript - supertest for MCP
33
Emerging
15 rocket-connect/mcpconnect

Inspect and debug Model Context Protocol servers directly in your browser.
32
Emerging
16 savhascelik/meta-api-mcp-server

A user-friendly editor tool has been developed to create or edit JSON...
32
Emerging
17 golf-mcp/golf-testing

Comprehensive MCP testing framework - test performance, security and...
32
Emerging
18 macarthy/bruno-mcp

🚀 MCP server for generating Bruno API testing files programmatically. Create...
31
Emerging
19 inspectr-hq/inspectr

Inspectr – easily view and analyze API requests, MCP server calls and webhook events.
30
Emerging
20 gnana997/mcp-dev-kit

Complete testing & debugging toolkit for MCP (Model Context Protocol) servers
30
Emerging
21 groovy-web/ai-testing-mcp

MCP server for comprehensive AI testing, evaluation, and quality assurance
28
Experimental
22 crazyrabbitLTC/mcp-test-client

MCP Test Client is a TypeScript testing utility for Model Context Protocol...
26
Experimental
23 sharozdawa/schema-gen

AI-powered Schema.org JSON-LD markup generator. 12 schema types with live...
22
Experimental
24 insipidityincus22/golf-testing

🧪 Test MCP servers with AI agents and LLM judges to ensure seamless natural...
22
Experimental
25 cocaxcode/api-testing-mcp

MCP server for API testing. 20 tools: requests, assertions, flows, OpenAPI...
22
Experimental
26 aaronloh16/mcp-test

Record, replay, mock, and audit MCP servers. The testing framework for Model...
22
Experimental
27 jjevsikov/CheckSpec

The test framework for MCP servers
22
Experimental
28 BartWaardenburg/srcmap-mcp

MCP server for source map debugging — fetch, inspect, lookup, and extract...
22
Experimental
29 rog0x/mcp-testing-tools

MCP server for testing: generate test cases, create mock data, mock API...
22
Experimental
30 rog0x/mcp-schema-tools

MCP server for schemas: generate JSON Schema from data, generate TypeScript...
22
Experimental
31 iampopovich/allure-testops-mcp

MCP Server for Allure TestOps
22
Experimental
32 whiteknightonhorse/mcp-protocol-tester

Universal test suite for MCP servers — dual-rail payment testing (x402 +...
22
Experimental
33 takeyaqa/PictMCP

Pairwise testing for your AI assistant
22
Experimental
34 poly-mcp/PolyMCP-Inspector

PolyMCP Inspector is a visual testing environment for MCP servers, tools,...
20
Experimental
35 kodegrenade/naija-faker-mcp

MCP server for the Naija faker package. Let's AI assistant generate fake,...
19
Experimental
36 pkemkes/MCP-Fiddle

Browser-based debugging and inspection tool for Model Context Protocol (MCP)...
19
Experimental
37 kriskimmerle/mcp-inspector

TypeScript CLI for inspecting and testing MCP (Model Context Protocol) servers
19
Experimental
38 funsjanssen/faker-mcp

Model Context Protocol (MCP) server for generating fake/mock data using Faker.js
18
Experimental
39 facetlayer/expect-mcp

Vitest matchers to test local MCP integrations
17
Experimental
40 miaofalianhua/ResxMcp

A lightweight MCP server for managing .resx localization files—works with...
17
Experimental
41 antonybudianto/stacktrace-mcp

Simple JS Stacktrace MCP for getting the nearest error location from JS...
16
Experimental
42 Beyond-Better/bb-mcp-client-inspector

A comprehensive testing platform for MCP (Model Context Protocol) client...
16
Experimental
43 lonexreb/MCPstudio

Postman for MCP servers
16
Experimental
44 rog0x/mcp-api-tools

MCP server for API testing: HTTP requests, endpoint health checks, JWT...
14
Experimental
45 savhascelik/mcp-api-editor

A user-friendly editor tool has been developed to create or edit JSON...
12
Experimental
46 taurgis/mcp-aegis

Unified Declarative + Programmatic Testing for Model Context Protocol Servers
11
Experimental
47 JMoak/vibrissa

Ultra-lightweight test framework for mcp integration tests
11
Experimental
48 apoloqize/transmogrifier

convert MCP server JSON configurations to LibreChat YAML format
11
Experimental

Comparisons in this category

mcp-jest and mcp-harness (39 vs 33) mcp-harness and mcp-dev-kit (33 vs 30)