Does the endpoint URL require a specific format?

Yes. All MCP endpoints must end with `/sse` (e.g., `http://localhost:8000/sse`). The client validates this requirement.

Which LLM providers are supported?

OpenAI, Anthropic, Ollama (local), and OpenRouter. Each has a dedicated bridge class: `OpenAIBridge`, `AnthropicBridge`, `OllamaBridge`, and `OpenRouterBridge`.

What credentials does it need?

It reads `OPENAI_API_KEY`, `ANTHROPIC_API_KEY`, `OPENROUTER_API_KEY`, `OPENROUTER_SITE_URL`, `OPENROUTER_SITE_NAME`, `OLLAMA_HOST`, `OPENAI_KEY`, `ANTHROPIC_KEY` from the environment. Store these in your client's env block or a secrets manager — never commit them to a repository — and grant the narrowest scope that still covers your use case.

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MCP SSE Client Python MCP Server

Simple MCP Client for remote MCP Servers 🌐

Remote serverstreamable-httpPython

What is the MCP SSE Client Python MCP Server?

Simple MCP Client for remote MCP Servers 🌐

What the server does

A comprehensive Python toolkit for interacting with remote Model Context Protocol (MCP) endpoints. Currently supports Server-Sent Events (SSE) with planned support for Streamable HTTP protocols.

More MCP options

Compare MCP servers by category, or browse hosted MCP servers if you prefer an endpoint over a local process.

Maintainer setup documentation.

How to install the MCP SSE Client Python MCP Server

{
  "mcpServers": {
    "sse-client-python": {
      "command": "uvx",
      "args": ["mcp-playground"],
      "env": {
        "OPENAI_API_KEY": "your-value",
        "ANTHROPIC_API_KEY": "your-value",
        "OPENROUTER_API_KEY": "your-value",
        "OPENROUTER_SITE_URL": "your-value",
        "OPENROUTER_SITE_NAME": "your-value",
        "OLLAMA_HOST": "your-value",
        "OPENAI_KEY": "your-value",
        "ANTHROPIC_KEY": "your-value"
      }
    }
  }
}

Add to claude_desktop_config.json, then restart Claude Desktop.

Configuration

Variable	Description	Required
OPENAI_API_KEY	Credential the server authenticates with.	Yes
ANTHROPIC_API_KEY	Credential the server authenticates with.	Yes
OPENROUTER_API_KEY	Credential the server authenticates with.	Yes
OPENROUTER_SITE_URL	Endpoint or connection string the server talks to.	Yes
OPENROUTER_SITE_NAME	Configuration value read at startup.	Optional
OLLAMA_HOST	Endpoint or connection string the server talks to.	Optional
OPENAI_KEY	Credential the server authenticates with.	Yes
ANTHROPIC_KEY	Credential the server authenticates with.	Yes

Example prompts to try

“Use MCP SSE Client Python to MCPClient.”
“Use MCP SSE Client Python to Methods.”
“Use MCP SSE Client Python to OpenAIBridge.”

Frequently asked questions

Currently only Server-Sent Events (SSE). Streamable HTTP, WebSocket, and gRPC are planned for future releases.

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