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 49 mcp server testing servers tracked. 3 score above 50 (established tier). The highest-rated is Portkey-AI/hoot at 51/100 with 16 stars.

Get all 49 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	Stars	Language
1	Portkey-AI/hoot MCP Testing Tool — Like Postman, but for the Model Context Protocol.	51	Established	16	TypeScript
2	apify/tester-mcp-client Model Context Protocol (MCP) Client for Apify's Actors	50	Established	77	TypeScript
3	dkmaker/mcp-rest-api A TypeScript-based MCP server that enables testing of REST APIs through...	50	Established	89	JavaScript
4	mcpland/mock-mcp Mock MCP Server - AI-driven mock data orchestration with OpenAPI JSON Schema...	48	Emerging	5	TypeScript
5	mcpland/testing-mcp Let LLMs author your integration tests—E2E-style.	45	Emerging	9	TypeScript
6	BjoernRave/i18n-magic CLI to help you manage your locales JSON with translations, replacements,...	43	Emerging	5	TypeScript
7	Mallikarjun-Roddannavar/ai-testcase-generator-mcp An Model Context Protocol(MCP) server that generates comprehensive API test...	42	Emerging	9	TypeScript
8	shunseven/mocxykit This is an Frontend development service middleware that can be used with...	42	Emerging	38	JavaScript
9	josharsh/mcp-jest Automated testing for Model Context Protocol servers. Ship MCP Servers with...	41	Emerging	16	TypeScript
10	andrecrjr/mockzilla Mockzilla is the Next Gen Mocking Tool API Server to easier create endpoints...	40	Emerging	6	TypeScript
11	golf-mcp/golf-testing Comprehensive MCP testing framework - test performance, security and...	38	Emerging	5	Python
12	savhascelik/meta-api-mcp-server A user-friendly editor tool has been developed to create or edit JSON...	38	Emerging	12	JavaScript
13	nette/mcp-inspector Nette application inspector via MCP protocol	38	Emerging	4	PHP
14	rocket-connect/mcpconnect Inspect and debug Model Context Protocol servers directly in your browser.	38	Emerging	11	TypeScript
15	macarthy/bruno-mcp 🚀 MCP server for generating Bruno API testing files programmatically. Create...	37	Emerging	10	TypeScript
16	inspectr-hq/inspectr Inspectr – easily view and analyze API requests, MCP server calls and webhook events.	37	Emerging	12	Dockerfile
17	fabkho/nuxt-i18n-mcp MCP server for managing i18n translation files in Nuxt projects	34	Emerging	3	TypeScript
18	crazyrabbitLTC/mcp-test-client MCP Test Client is a TypeScript testing utility for Model Context Protocol...	33	Emerging	13	TypeScript
19	dotsetlabs/bellwether Open-source testing tool for Model Context Protocol (MCP) servers. Detect...	33	Emerging	1	TypeScript
20	gabry-ts/mcp-harness In-memory testing toolkit for MCP servers in TypeScript - supertest for MCP	32	Emerging	2	TypeScript
21	gnana997/mcp-dev-kit Complete testing & debugging toolkit for MCP (Model Context Protocol) servers	30	Emerging	1	TypeScript
22	groovy-web/ai-testing-mcp MCP server for comprehensive AI testing, evaluation, and quality assurance	28	Experimental	18	—
23	lonexreb/MCPstudio Postman for MCP servers	23	Experimental	2	TypeScript
24	whiteknightonhorse/mcp-protocol-tester Universal test suite for MCP servers — dual-rail payment testing (x402 +...	22	Experimental	—	JavaScript
25	iampopovich/allure-testops-mcp MCP Server for Allure TestOps	22	Experimental	—	TypeScript
26	rog0x/mcp-schema-tools MCP server for schemas: generate JSON Schema from data, generate TypeScript...	22	Experimental	—	TypeScript
27	rog0x/mcp-testing-tools MCP server for testing: generate test cases, create mock data, mock API...	22	Experimental	—	TypeScript
28	BartWaardenburg/srcmap-mcp MCP server for source map debugging — fetch, inspect, lookup, and extract...	22	Experimental	—	TypeScript
29	jjevsikov/CheckSpec The test framework for MCP servers	22	Experimental	—	TypeScript
30	aaronloh16/mcp-test Record, replay, mock, and audit MCP servers. The testing framework for Model...	22	Experimental	—	TypeScript
31	poly-mcp/PolyMCP-Inspector PolyMCP Inspector is a visual testing environment for MCP servers, tools,...	22	Experimental	1	HTML
32	funsjanssen/faker-mcp Model Context Protocol (MCP) server for generating fake/mock data using Faker.js	22	Experimental	4	TypeScript
33	antonybudianto/stacktrace-mcp Simple JS Stacktrace MCP for getting the nearest error location from JS...	22	Experimental	1	TypeScript
34	sharozdawa/schema-gen AI-powered Schema.org JSON-LD markup generator. 12 schema types with live...	22	Experimental	—	TypeScript
35	kodegrenade/naija-faker-mcp MCP server for the Naija faker package. Let's AI assistant generate fake,...	21	Experimental	—	JavaScript
36	insipidityincus22/golf-testing 🧪 Test MCP servers with AI agents and LLM judges to ensure seamless natural...	21	Experimental	—	Python
37	pkemkes/MCP-Fiddle Browser-based debugging and inspection tool for Model Context Protocol (MCP)...	21	Experimental	—	TypeScript
38	kriskimmerle/mcp-inspector TypeScript CLI for inspecting and testing MCP (Model Context Protocol) servers	21	Experimental	—	TypeScript
39	takeyaqa/PictMCP Pairwise testing for your AI assistant	21	Experimental	—	TypeScript
40	miaofalianhua/ResxMcp A lightweight MCP server for managing .resx localization files—works with...	21	Experimental	2	C#
41	Beyond-Better/bb-mcp-client-inspector A comprehensive testing platform for MCP (Model Context Protocol) client...	20	Experimental	1	TypeScript
42	cocaxcode/api-testing-mcp MCP server for API testing. 20 tools: requests, assertions, flows, OpenAPI...	19	Experimental	—	TypeScript
43	facetlayer/expect-mcp Vitest matchers to test local MCP integrations	19	Experimental	2	TypeScript
44	savhascelik/mcp-api-editor A user-friendly editor tool has been developed to create or edit JSON...	18	Experimental	1	JavaScript
45	rog0x/mcp-api-tools MCP server for API testing: HTTP requests, endpoint health checks, JWT...	14	Experimental	—	TypeScript
46	JMoak/vibrissa Ultra-lightweight test framework for mcp integration tests	13	Experimental	—	TypeScript
47	apoloqize/transmogrifier convert MCP server JSON configurations to LibreChat YAML format	13	Experimental	—	TypeScript
48	taurgis/mcp-aegis Unified Declarative + Programmatic Testing for Model Context Protocol Servers	13	Experimental	—	JavaScript
49	mcp-partner/mcp-partner.github.io A tool to help you debug MCP servers online	12	Experimental	1	TypeScript

Comparisons in this category

mcp-rest-api and mcp-jest (50 vs 41) mcp-rest-api and mcp-test-client (50 vs 33) hoot and tester-mcp-client (51 vs 50) tester-mcp-client and mcp-jest (50 vs 41) tester-mcp-client and mcp-test-client (50 vs 33) tester-mcp-client and mcp-harness (50 vs 32) hoot and mcp-jest (51 vs 41) hoot and mcp-test-client (51 vs 33) mcp-jest and mcp-test-client (41 vs 33) hoot and mcpconnect (51 vs 38)