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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 →

  • Mockzilla by mockzilla

    Mockzillaofficial

    mockzilla
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    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
    8
    14
    41
    5
    MIT
  • Kong Konnect MCP Server by Kong

    Kong Konnect MCP Serverofficial

    Kong
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    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
    10
    43
    Apache 2.0
  • fetchsandbox-mcp by fetchsandbox

    fetchsandbox-mcpofficial

    fetchsandbox
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    quality
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    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
    3
    33
    MIT
  • delimit by delimit-ai

    delimitofficial

    delimit-ai
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    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
    100
    683
    19
    MIT
  • Postman by postmanlabs

    Postmanofficial

    postmanlabs
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    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
    42
    2,802
    257
    Apache 2.0
  • Specmatic MCP Server by specmatic

    Specmatic MCP Serverofficial

    specmatic
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    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
    3
    6
    11
    MIT
  • Mercado Pago MCP Server by mercadolibre

    Mercado Pago MCP Serverofficial

    mercadolibre
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    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
    1
    8
    Apache 2.0

  • Tusk Drift MCP

    Use-Tusk
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    Enables AI assistants to search, analyze, and debug application API traffic captured by Tusk Drift, including HTTP requests, database queries, distributed traces, latency metrics, and error rates.
    Last updated
    6
    28
    6
    MIT

  • MCP YAML API

    molavec
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    A Model Context Protocol server that creates tools from API configurations defined in YAML files, allowing easy integration of external APIs into an MCP ecosystem without coding.
    Last updated
    7
    10
    7
    MIT

  • MCP-Insomnia

    anggasct
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    Enables AI agents to create, manage, and execute API collections, requests, and environments in Insomnia-compatible formats. It supports direct synchronization with the local Insomnia app database and importing from OpenAPI, Postman, and cURL.
    Last updated
    29
    149
    21
    MIT

  • ControlAPI-MCP

    fellowabhi
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    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
    12
    5
    MIT

  • APIFold

    Work90210
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    Turn any REST API into a hosted MCP server. 18 free public servers (GitHub, Stripe, Slack, OpenAI, Notion, and more) — no setup required, bring your own API key.
    Last updated
    2
    6
    AGPL 3.0

  • Webhook.site MCP Server

    zebbern
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    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
    23
    8
    MIT

  • API Testing MCP

    cocaxcode
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    A lightweight, local-first MCP server for executing HTTP requests and managing API collections and environments without cloud dependencies. It enables testing APIs, handling authentication, and importing OpenAPI specifications directly within MCP-compatible workflows.
    Last updated
    42
    121
    2
    MIT

  • rest_api_mcp

    Muhammed-AbdelGhany
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    quality
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    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
    3
    4
    5
    MIT

  • Apifox MCP

    Warren-W
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    Enables AI assistants to automatically manage Apifox API documentation by importing OpenAPI/Swagger specifications and exporting existing API structures. Supports batch operations, intelligent deprecation marking, and smart scope detection for partial module imports.
    Last updated
    2
    62
    2
    MIT

  • contrastapi

    UPinar
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    license
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    quality
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    maintenance
    Security intelligence API for AI models. CVE lookup with EPSS/KEV, domain recon (DNS, WHOIS, SSL, subdomains, WAF), and code security checks (secrets, injection, headers). 16 tools, no API key required.
    Last updated
    54
    28
    MIT

  • Google Ads MCP Server

    martechery
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    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
    9
    MIT

  • Gong MCP Server

    kenazk
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    A Model Context Protocol server that allows Claude to access Gong's API for retrieving call recordings and transcripts through a standardized interface.
    Last updated
    2
    26
    36
    MIT

MCP ConnectorsBrowse all →