API Testing

Tools for testing, validating, and documenting APIs. Enables creation and execution of API requests, validation of responses, and management of API collections.

MCP ServersBrowse all →

Amazon Business Integrationsofficial
Documentation Access API Testing Developer Tools
amazonbusiness
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license
A
quality
D
maintenance
Provides AI-enabled access to Amazon Business API documentation, sample code, and troubleshooting resources. Enables developers to search and retrieve API documentation, generate integration code, and get guided solutions for common errors during the API integration process.
Last updated 2025-09-18
2
8
Apache 2.0
@restforge-dev/mcp-serverofficial
Developer Tools API Testing
restforge
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license
A
quality
C
maintenance
MCP server that exposes RESTForge capabilities to AI agents, enabling them to set up, configure, generate code, and manage RESTForge projects through natural language.
Last updated 2026-05-08
29
44
MIT
Specmatic MCP Serverofficial
API Testing Testing & QA Tools
specmatic
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license
A
quality
C
maintenance
Exposes Specmatic's API contract testing, resiliency testing, and mocking capabilities to AI coding agents via natural language, enabling automated validation and simulation of API behaviors.
Last updated 2026-06-10
3
28
11
MIT
Mercado Pago MCP Serverofficial
Cloud Platforms API Testing Documentation Access
mercadolibre
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license
B
quality
D
maintenance
Mercado Pago's Official MCP Server offers tools so that developers can easily interact with our API using natural language, which simplifies tasks and product integration. Remotely hosted by Mercadolibre supporting Streamable HTTP Transport. Details on how to connect: https://mcp.mercadopago.com/
Last updated 2025-04-30
1
8
Apache 2.0
qa-probeofficial
Testing & QA Tools API Testing
LS-SIEM-LLP
A
license
A
quality
A
maintenance
Probes your live API and classifies why each endpoint failed (root cause, evidence, and a calibrated confidence level), exposed over MCP so your AI assistant debugs from evidence instead of guessing. Works with FastAPI, Express, Next.js, tRPC, and GraphQL.
Last updated 2026-06-25
8
29
2
Apache 2.0
Tembo MCP Serverofficial
Cloud Platforms API Testing Command Line
tembo-io
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license
A
quality
-
maintenance
An MCP server that enables Claude to interact with Tembo Cloud platform API, allowing users to manage Tembo Cloud resources through natural language.
Last updated 2025-02-05
10
7
Kong Konnect MCP Serverofficial
API Testing Developer Tools Monitoring
Kong
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license
A
quality
C
maintenance
A Model Context Protocol server enabling AI assistants to interact with Kong Konnect's API Gateway, providing tools to query analytics data, inspect configurations, and manage control planes through natural language.
Last updated 2026-05-19
10
43
Apache 2.0
thunderclient-mcpofficial
API Testing Developer Tools
thunderclient
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license
B
quality
C
maintenance
Enables AI tools to create and manage API requests and collections in Thunder Client, with automated collection and folder creation.
Last updated 2026-05-23
2
28
11
MIT
Mockzillaofficial
API Testing Developer Tools Testing & QA Tools
mockzilla
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license
A
quality
B
maintenance
MCP server for mockzilla. Lets coding agents (Claude Desktop, Cursor, etc.) install the mockzilla CLI, stand up API mocks from an OpenAPI spec or a single endpoint, and — with an account — deploy hosted mocks on mockzilla.org.
Last updated 2026-05-23
14
192
5
MIT
delimitofficial
Developer Tools API Testing CI/CD & DevOps
delimit-ai
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license
B
quality
A
maintenance
One workspace for every AI coding assistant. Governance tools for API lint, diff, persistent ledger, multi-model deliberation, security audit, and test verification. Works with Claude Code, Codex, Cursor, and Gemini CLI.
Last updated 2026-07-08
100
1,980
21
MIT
Postmanofficial
API Testing App Automation Agent Orchestration
postmanlabs
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license
B
quality
A
maintenance
Postman’s remote MCP server connects AI agents, assistants, and chatbots directly to your APIs on Postman. Use natural language to prompt AI to automate work across your Postman collections, environments, workspaces, and more.
Last updated 2026-07-07
42
10,486
276
Apache 2.0
fetchsandbox-mcpofficial
API Testing Developer Tools
fetchsandbox
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license
A
quality
C
maintenance
Turn any OpenAPI 3.x spec into a runnable, stateful API environment for AI agents. Test real integration flows — multi-step workflows, persistent state, webhook delivery, retries, and edge cases — instead of guessing from docs or mocking endpoints. Generate committable markdown reports directly from Claude/Cursor. Includes 50+ pre-validated APIs like Stripe, GitHub, Twilio, OpenAI, and more.
Last updated 2026-06-26
3
185
MIT
RequestBin MCP Serverofficial
API Testing Developer Tools Testing & QA Tools
requestbin
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license
A
quality
C
maintenance
Enables AI coding agents to create webhook bins, inspect and replay HTTP requests, and stand up mock API endpoints directly from the editor.
Last updated 2026-05-23
13
14
MIT
MCP2ANP Bridge Server
Agent Orchestration API Testing App Automation
agent-network-protocol
A
license
A
quality
D
maintenance
Enables MCP clients like Claude Desktop to interact with ANP (Agent Network Protocol) agents through three core tools: authentication setup, document fetching, and OpenRPC method invocation. Converts ANP's crawler-style interaction paradigm into MCP-compatible tools for seamless agent communication.
Last updated 2026-01-13
3
7
MIT
Code2Postman MCP
Code Analysis API Testing Developer Tools
marioToribi0
A
license
B
quality
D
maintenance
Automatically generates Postman collections from code directories by analyzing API endpoints and parameters, enabling easy testing, documentation, and sharing.
Last updated 2025-11-02
14
3
MIT
Agent Twitter Client MCP
Social Media API Testing Agent Orchestration
ryanmac
A
license
B
quality
D
maintenance
A Model Context Protocol server that enables AI agents to interact with Twitter without direct API access, supporting tweet operations, user interactions, and Grok AI integration.
Last updated 2026-04-29
14
126
31
MIT
ControlAPI-MCP
API Testing Developer Tools App Automation
fellowabhi
A
license
A
quality
D
maintenance
Converts any OpenAPI/REST API into MCP tools with dynamic server switching, variable substitution, and runtime configuration. Enables seamless interaction with multiple API environments through natural language without pre-configuration.
Last updated 2026-03-08
12
5
MIT
MCP Project Standards Server
Developer Tools API Testing
liliangshan
A
license
A
quality
D
maintenance
Manages project standards, configurations, and API debugging for AI-assisted development, ensuring unified development practices across teams and machines.
Last updated 2025-12-22
13
24
5
MIT
Google Ads MCP Server
Marketing API Testing
martechery
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license
B
quality
D
maintenance
Enables interaction with Google Ads through the Google Ads API using GCloud authentication. Supports GAQL query execution, performance data retrieval, account management, and resource discovery with pagination and multiple output formats.
Last updated 2025-09-15
9
MIT
YAPI Interface MCP Server
Developer Tools API Testing
Gorvey
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license
B
quality
D
maintenance
A Model Context Protocol server that allows AI development tools like Cursor and Claude Desktop to retrieve detailed YAPI interface information by interface ID.
Last updated 2025-06-25
1
10
9
MIT
YAPI MCP Server
API Testing Developer Tools Documentation Access
W-Abel-jia
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license
B
quality
C
maintenance
An MCP server for the YAPI interface management platform that enables users to manage projects, categories, and API interfaces. It supports querying project details, listing interfaces, and creating or modifying API documentation through natural language.
Last updated 2026-04-27
9
16
2
MIT
Webhook.site MCP Server
API Testing Developer Tools Testing & QA Tools
zebbern
A
license
A
quality
C
maintenance
Enables interaction with Webhook.site to create, manage, and monitor endpoints for capturing HTTP requests, emails, and DNS lookups. It provides 16 tools for testing webhooks and inspecting incoming data through the Model Context Protocol.
Last updated 2026-01-29
23
8
MIT
Jira-Next-Gen
API Testing Monitoring Project Management
Jira-MCP
A
license
A
quality
-
maintenance
A Model Context Protocol (MCP) server for interacting with Atlassian Jira. Connect AI assistants like Claude, Cursor AI, and others directly to your Jira projects, issues, and workflows.
Last updated 2026-01-12
6
60
3
rest_api_mcp
API Testing App Automation Developer Tools
Muhammed-AbdelGhany
A
license
A
quality
D
maintenance
A Model Context Protocol (MCP) server for authenticated REST APIs. Drop it into any project, point it at your API, and let AI agents call endpoints — with auto-login, 2FA support, Swagger spec fetch, and fuzzy endpoint search — all without writing a single line of auth code.
Last updated 2026-05-04
3
21
6
MIT
Strava MCP Server
Fitness Tracking Health & Wellness API Testing
yorrickjansen
A
license
B
quality
D
maintenance
A Model Context Protocol server that enables users to access Strava fitness data, including user activities, activity details, segments, and leaderboards through a structured API interface.
Last updated 2025-03-26
3
4
MIT
mcp4gql
Developer Tools API Testing Databases
jorgeraad
A
license
A
quality
D
maintenance
GraphQL MCP Server that acts as a bridge allowing MCP clients (like Cursor or Claude Desktop) to interact with target GraphQL APIs through standard tools for schema introspection and operation execution.
Last updated 2025-04-28
2
9
3
MIT
mcp-server-apidebug
API Testing Developer Tools
liliangshan
A
license
A
quality
C
maintenance
A standalone MCP server for API debugging, login authentication, API configuration management, and indexed API execution.
Last updated 2026-04-28
5
16
MIT
postman-mcp
API Testing Developer Tools CI/CD & DevOps
Sourav4670
A
license
B
quality
C
maintenance
MCP server providing 41 tools to manage Postman collections, environments, mocks, API specs, and workspaces via Streamable HTTP, SSE, or stdio.
Last updated 2026-05-15
41
MIT
Swagger MCP
Developer Tools API Testing
Vizioz
A
license
A
quality
C
maintenance
An MCP server that connects to a Swagger specification and helps an AI to build all the required models to generate a MCP server for that service.
Last updated 2025-12-03
5
36
159
MIT
Etsy MCP Server
E-commerce & Retail App Automation API Testing
aserper
A
license
B
quality
D
maintenance
Provides full access to the Etsy Open API v3 for both buyer browsing and seller shop management through 37 specialized tools. It enables users to manage listings, process orders, handle shipping, and access inventory data via secure OAuth 2.0 authentication.
Last updated 2026-04-02
41
1
MIT

MCP ConnectorsBrowse all →

oasdiff A
Detect breaking changes, generate changelogs, diff, and validate OpenAPI specs.
API Testing Developer Tools CI/CD & DevOps
41
mcp A
Apideck Unified API MCP — 330 tools across 200+ SaaS connectors (accounting, CRM, HRIS, ATS).
API Testing App Automation Data Platforms
4114
surf A
Point Gecko at an OpenAPI spec; get first-call-correct, auth-hidden agent tools.
API Testing Developer Tools
11
Apiosk B
AI-native payments: discover, pay for, execute, and publish monetized APIs through MCP.
Developer Tools Payments & Billing API Testing
251
Jsonschema B
JSON Schema validation MCP.
Developer Tools Testing & QA Tools API Testing
311
TestMCP.dev A
Free platform to test MCP clients without installing anything. Create mock tools with dynamic templates, configurable delays, conditions (if/then), and response sequences. Supports JSON-RPC 2.0 over Streamable HTTP. Built-in text_echo and json_echo tools. Rate-limited tiers: anonymous (5 calls/min, 1 mock tool), registered (10 calls/min, 4 mock tools), premium (60 calls/min, unlimited). Zero setup — no install, no registration required. More info: https://www.testmcp.dev
API Testing Testing & QA Tools
21
enterprise-mcp-gateway B
Unified gateway exposing 150+ tools across all NexGenData MCP servers via one endpoint.
Developer Tools API Testing
1521
Ship On Friday A
ship-on-friday MCP — wraps StupidAPIs (requires X-API-Key)
API Testing App Automation Developer Tools
311
Excuse A
excuse MCP — wraps StupidAPIs (requires X-API-Key)
API Testing Developer Tools
311
Jsonplaceholder A
JSONPlaceholder MCP — wraps JSONPlaceholder fake REST API (free, no auth)
API Testing Developer Tools Search
341
Ontario Protocol B
x402 trust scans, readiness checks, and pre-payment verification for agents calling paid APIs.
Security Payments & Billing API Testing
191
Victorian Complaint B
victorian-complaint MCP — wraps StupidAPIs (requires X-API-Key)
API Testing Developer Tools
311
api-schema-drift-detector A
Cloudflare Workers MCP server: api-schema-drift-detector
API Testing Developer Tools
31
interactive-api-playground A
Cloudflare Workers MCP server: interactive-api-playground
Developer Tools API Testing Cloud Platforms
51
Dummyjson A
DummyJSON mock REST: products, users, posts, recipes, todos. Keyless test data.
Testing & QA Tools API Testing Developer Tools
431
api-payload-auditor A
Cloudflare Workers MCP server: api-payload-auditor
Security API Testing
41
api-diff-monitor A
Cloudflare Workers MCP server: api-diff-monitor
API Testing Monitoring
61
api-contract-validator A
Cloudflare Workers MCP server: api-contract-validator
API Testing Developer Tools
51
api-mock-server A
Cloudflare Workers MCP server: api-mock-server
API Testing Developer Tools
61
Always Seven A
always-seven MCP — wraps StupidAPIs (requires X-API-Key)
API Testing
311

API Testing

MCP ServersBrowse all →

Amazon Business Integrationsofficial

@restforge-dev/mcp-serverofficial

Specmatic MCP Serverofficial

Mercado Pago MCP Serverofficial

qa-probeofficial

Tembo MCP Serverofficial

Kong Konnect MCP Serverofficial

thunderclient-mcpofficial

Mockzillaofficial

delimitofficial

Postmanofficial

fetchsandbox-mcpofficial

RequestBin MCP Serverofficial

MCP ConnectorsBrowse all →