mcp-api-tools is an HTTP/API testing MCP server that provides AI agents with tools to make requests, check endpoint health, decode tokens, parse URLs, and analyze security headers.
Make HTTP Requests (http_request): Send any HTTP method (GET, POST, PUT, DELETE, PATCH, HEAD, OPTIONS) with full control over headers, request body, authentication (Basic or Bearer), timeout, and redirect behavior — returns status code, response headers, body, and timing info.
Check API Health (api_health): Monitor up to 20 API endpoints in parallel, reporting HTTP status, response time, SSL certificate validity/expiry, and optional response body validation, with a summary of healthy/unhealthy/errored endpoints.
Decode JWTs (jwt_decode): Decode a JWT token (without cryptographic verification) to inspect its header, payload, issued-at time, expiry time, and whether it is currently expired.
Parse or Build URLs (url_parse): Break a URL into its components (protocol, host, port, path, query parameters, hash) or construct a URL from individual parts.
Analyze HTTP Security Headers (header_analyzer): Evaluate response headers (from a live URL or a provided headers object) for security posture (HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy), caching directives, CORS configuration, and cookie attributes — with an overall security letter grade.
Click on "Install Server".
Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state.
In the chat, type @ followed by the MCP server name and your instructions, e.g., "@mcp-api-tools Check the health of https://api.github.com and show response times."
That's it! The server will respond to your query, and you can continue using it as needed.
Here is a step-by-step guide with screenshots.
HTTP/API testing tools for AI agents, built on the Model Context Protocol.
http_requestMake any HTTP request (GET, POST, PUT, DELETE, PATCH, HEAD, OPTIONS) with full control over headers, body, authentication, and timeouts. Returns status code, response headers, body, and timing information.
api_healthCheck the health of multiple API endpoints in parallel. Returns HTTP status, response time, SSL certificate validity and expiry, and optional response body validation. Includes a summary with counts of healthy, unhealthy, and errored endpoints.
jwt_decodeDecode a JWT token without cryptographic verification. Returns the decoded header and payload, issued-at time, expiry time, and whether the token is currently expired.
url_parseParse a URL into its component parts (protocol, host, port, path, query parameters, hash) or build a URL from individual parts.
header_analyzerAnalyze HTTP response headers for security posture (HSTS, CSP, X-Frame-Options, X-Content-Type-Options, Referrer-Policy, Permissions-Policy), caching directives, CORS configuration, and cookie attributes. Provides a letter grade for security. Can fetch headers from a live URL or analyze a provided headers object.
Related MCP server: Kiprio MCP
npm install
npm run buildAdd to your claude_desktop_config.json:
{
"mcpServers": {
"api-tools": {
"command": "node",
"args": ["D:/products/mcp-servers/mcp-api-tools/dist/index.js"]
}
}
}claude mcp add api-tools node D:/products/mcp-servers/mcp-api-tools/dist/index.jsMake a POST request:
Use http_request to POST to https://httpbin.org/post with JSON body {"key": "value"}Check API health:
Use api_health to check these endpoints: https://api.github.com, https://httpbin.org/getDecode a JWT:
Use jwt_decode to decode this token: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...Parse a URL:
Use url_parse to break down https://example.com:8080/api/v1?key=value&debug=true#sectionAnalyze security headers:
Use header_analyzer to check security headers for https://github.comMIT
Unclaimed servers have limited discoverability.
If you are the server author, to access and configure the admin panel.
URL intelligence for AI agents and developers. 16 tools, 25 signal weights, 20 free checks.
500+ deterministic tools for AI agents: math, conversion, validation, hashing, encoding, date/time.
Scan any URL for AI agent readability — Vercel Spec, llmstxt.org, and agent-protocol manifests.
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