MCP with OAuth

by akshay12390

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About

Reference https://github.com/spring-projects/spring-ai-examples/tree/main/model-context-protocol/weather/starter-webmvc-oauth2-server

Details

Author
akshay12390
Downloads
204
Categories
Media

- OAuth2 client credentials flow support
- OAuth2 authorization code with PKCE flow
- Token issuance via Spring Authorization Server
- Token validation using Spring Security Resource Server
- Ready-to-run Spring Boot sample
- MCP Inspector integration for testing

Setting up with Highlight

This MCP is not yet compatible with Highlight’s one-click setup. However, you can still use it with Highlight by following these steps:

  1. Download and install Highlight from highlightai.com/download
  2. Navigate to the plugins tab and select "Add Custom Plugin"
  3. Configure the plugin with the settings below
    Plugin Name MCP with OAuth
    Command (node, npx, python, etc.)

    Please refer to the README for specific instructions on how to obtain API keys or other required environment variables.

  4. Enable "Start Automatically" if you want the plugin to start when Highlight launches

From the repository

Run the project with ./mvnw spring-boot:run. Obtain tokens via client credentials or auth code (PKCE). For client credentials, call /oauth2/token with grant_type=client_credentials and authenticate as mcp-client:secret. For PKCE, first run pkce_generator.py and then token_request.py. Use the token with the MCP inspector (npx @modelcontextprotocol/inspector@0.6.0) by pasting it and clicking connect.

Claude Desktop / Cursor

Paste into your MCP client config file to install this server.

{
    "mcpServers": {
        "mcp with oauth": {
            "mcp-weather-oauth2-server": {
                "command": "npx",
                "args": [
                    "@modelcontextprotocol/inspector@0.6.0"
                ]
            }
        }
    }
}

McpServers

{
    "mcp-weather-oauth2-server": {
        "command": "npx",
        "args": [
            "@modelcontextprotocol/inspector@0.6.0"
        ]
    }
}

MCP with OAuth

This sample demonstrates how to secure an MCP server using OAuth2, as per
the MCP specification.

Getting started

Run the project with:

./mvnw spring-boot:run

Client Credentials

Obtain a token by calling the /oauth2/token endpoint:

```shell
curl -XPOST "http://localhost:8080/oauth2/token" \
--data grant_type=client_credentials \
--user "mcp-client:secret"

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