Add 'type' field to Claude MCP server configuration (#1409)

`type: http` needs to be present in order to connect to Claude Code.

✅ Code block
✅ One-liner (Bash command)

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Author: jdorfman

docs/api/mcp/index.mdx

@@ -100,6 +100,7 @@ You can add the Sourcegraph MCP server to [Claude Code](https://claude.ai/code)
    {
      "mcpServers": {
        "sourcegraph": {
+         "type": "http",
          "url": "https://your-sourcegraph-instance.com/.api/mcp/v1",
          "headers": {
            "Authorization": "token YOUR_ACCESS_TOKEN"
@@ -123,7 +124,7 @@ You can also add the Sourcegraph MCP server as a locally-scoped server, which is
 1. Run the following command in your terminal:
 
    ```bash
-   claude mcp add sourcegraph -s local --url https://your-sourcegraph-instance.com/.api/mcp/v1 --header "Authorization: token YOUR_ACCESS_TOKEN"
+   claude mcp add sourcegraph -s local --transport http https://your-sourcegraph-instance.com/.api/mcp/v1 --header "Authorization: token YOUR_ACCESS_TOKEN"
    ```
 
    <Callout type="info">