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@fluttersdk/mcp

HTTP-to-stdio bridge for the FlutterSDK Docs MCP server.

The upstream server at mcp.fluttersdk.com speaks the Streamable HTTP MCP transport. This bridge wraps it with a stdio transport so clients that do not support Streamable HTTP natively (Claude Desktop, older Codex CLI, any shell-based MCP host) can connect to it without modification.

When to use

Use this bridge when your MCP client:

• Only supports stdio MCP transport (e.g. Claude Desktop, older Cursor versions).
• Cannot talk to HTTP-based MCP servers directly.
• Needs a proxy in front of the upstream for allowlist control.

If your client natively supports Streamable HTTP, point it directly at https://mcp.fluttersdk.com/ instead.

Install and run

npx @fluttersdk/mcp

The bridge starts a local stdio MCP server. It does not connect to the upstream until the first tools/list or tools/call request arrives (lazy connect).

Environment variables

Variable	Default	Description
FLUTTERSDK_MCP_URL	https://mcp.fluttersdk.com/	Upstream MCP server URL
BRIDGE_ALLOW_TOOLS	search-docs	Comma-separated list of tool names to expose. Use * for unrestricted access.

Examples

Expose only the default search-docs tool (default behavior):

npx @fluttersdk/mcp

Expose all tools the upstream provides:

BRIDGE_ALLOW_TOOLS=* npx @fluttersdk/mcp

Point at a local upstream during development:

FLUTTERSDK_MCP_URL=http://localhost:8000/ npx @fluttersdk/mcp

Claude Desktop configuration

Add the following to your Claude Desktop claude_desktop_config.json:

{
    "mcpServers": {
        "fluttersdk": {
            "command": "npx",
            "args": ["@fluttersdk/mcp"]
        }
    }
}

To allow all upstream tools:

{
    "mcpServers": {
        "fluttersdk": {
            "command": "npx",
            "args": ["@fluttersdk/mcp"],
            "env": {
                "BRIDGE_ALLOW_TOOLS": "*"
            }
        }
    }
}

Available tools

The upstream server exposes one tool by default (and the bridge allowlist matches it):

Tool	Description
search-docs	Search Flutter and Dart documentation. Accepts queries, packages, version, and token_limit parameters.

License

MIT