mcp-api-tools
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-toolsCheck 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.
@rog0x/mcp-api-tools
HTTP/API testing tools for AI agents, built on the Model Context Protocol.
Tools
http_request
Make 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_health
Check 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_decode
Decode 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_parse
Parse a URL into its component parts (protocol, host, port, path, query parameters, hash) or build a URL from individual parts.
header_analyzer
Analyze 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.
Installation
npm install
npm run buildConfiguration
Claude Desktop
Add to your claude_desktop_config.json:
{
"mcpServers": {
"api-tools": {
"command": "node",
"args": ["D:/products/mcp-servers/mcp-api-tools/dist/index.js"]
}
}
}Claude Code
claude mcp add api-tools node D:/products/mcp-servers/mcp-api-tools/dist/index.jsExamples
Make 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.comLicense
MIT
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