MCP Server Playground

Example Use Cases

• 1

  A compliant MCP server with OAuth proxy for third-party authorization.

• 2

  Stateful session management and SSE event persistence in MCP servers.

• 3

  Integrated tools like AWS ECS investigation, S3 listing, and real-time streaming simulation.

Description

MCP Server Playground is a TypeScript-based server compliant with the MCP 2025-06-18 specification, featuring SSE resumability, tool annotations, and structured content. It supports OAuth authentication via a proxy delegating to third-party providers like Auth0, enabling dynamic client registration securely. The server includes pluggable storage, session management for distributed deployments, and strict security measures such as origin validation.