"Understanding Server-Sent Events (SSE)" matching MCP connectors:

RoutebaseA

dev.routebase.mcp

API documentation drifts away from the running service, so consumers integrate against a contract nobody keeps. Routebase keeps API design, testing, mocking and documentation on one living source of truth, and this MCP server exposes that workspace to AI agents. Agents can design endpoints, write and run test suites, manage mock servers and publish documentation, always under the permissions of the connected Routebase account.

AI-callable tools for API mocking, testing, monitoring, security, and automation.

What is known to be broken in an MCP server or API operation, with the check that found it.

Diagnoses whether an MCP server is reachable, by live HTTP probe.

Check whether an MCP server answers, what its tools claim, and whether that claim has changed.

Experimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.

Jentic Remote MCP ServerA

io.github.jentic

Remote MCP for 1,500+ APIs. Vault-managed credentials; OAuth or API key. Search, load, and execute.

Cloudflare Workers MCP server: api-contract-validator

MCP server that delivers up-to-date Bitrix24 REST API documentation.

Cloudflare Workers MCP server: interactive-api-playground

Cloudflare Workers MCP server: api-schema-drift-detector

Cloudflare Workers MCP server: api-payload-auditor

Cloudflare Workers MCP server: api-mock-server

Cloudflare Workers MCP server: api-diff-monitor

dilli-email-validation-api-serverB

com.dillilabs.deva

An MCP server that provides tools to validate an email address using Dilli Email Validation API.

Swagger Petstore API (v1.0.27) as MCP for testing and prototyping powered by the HAPI MCP server

OpenAPI.city

city.openapi

MCP server and REST API for querying OpenAPI specs. Endpoint-level extraction, schema resolution, 100+ APIs indexed.

OneOAuth

ai.withone

Search, document and execute authenticated API calls across 700+ apps via one MCP server

MCP server for AI access to SmartBear tools, including BugSnag, Reflect, Swagger, PactFlow, QTM4J.

MCP server for AI access to Swagger by SmartBear.