"Servers that support Server-Sent Events (SSE)" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Conformance checker for MCP servers. Free, no key, verdicts recomputable and re-measured daily.
Experimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.
MCP tool observatory: do registry servers answer, and are their answers true? No key.
Cloudflare Workers MCP server: api-contract-validator
Remote MCP for 1,500+ APIs. Vault-managed credentials; OAuth or API key. Search, load, and execute.
The official MCP Server for the Mux API
Cloudflare Workers MCP server: api-schema-drift-detector
Cloudflare Workers MCP server: interactive-api-playground
Cloudflare Workers MCP server: api-payload-auditor
Cloudflare Workers MCP server: api-mock-server
Cloudflare Workers MCP server: api-diff-monitor
MCP server that delivers up-to-date Bitrix24 REST API documentation.
Unified gateway exposing 150+ tools across all NexGenData MCP servers via one endpoint.
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
MCP server and REST API for querying OpenAPI specs. Endpoint-level extraction, schema resolution, 100+ APIs indexed.
MCP server for AI access to SmartBear tools, including BugSnag, Reflect, Swagger, PactFlow, QTM4J.
MCP server for AI access to Swagger by SmartBear.
Search, document and execute authenticated API calls across 700+ apps via one MCP server
Minimal streamable HTTP MCP server used for owned-account registry connectivity tests.