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Windsurf’s Cascade agent connects to Social media studio’s remote Streamable HTTP MCP server using a serverUrl and an X-API-Key header.
You need an API key (format sk_live_...) to connect. Generate one from Settings > API Access, or see Authentication.

Setup

1

Open MCP settings

Navigate to Cascade > MCP settings (the hammer/plugin icon) in Windsurf, then choose Manage plugins > View raw config, or edit the config file directly at:
2

Add the configuration

mcp_config.json
Windsurf uses serverUrl (not url) for remote HTTP MCP servers.
3

Refresh / restart Windsurf

Save the file, then click Refresh in the MCP settings panel (or restart Windsurf) for the changes to take effect.
4

Verify

Cascade now has access to Social media studio tools — so-me-studio should appear in the MCP plugins list with its tools. Try asking it to create a post.

Troubleshooting

Confirm you used the serverUrl field and that the X-API-Key value is an active key beginning with sk_live_. Click Refresh in the MCP panel after saving.
The Social media studio server runs in stateless Streamable HTTP mode (POST only). Use serverUrl as shown — do not configure an SSE endpoint.