Class: RailsPgExtras::MCPApp

Inherits:
Object
  • Object
show all
Defined in:
lib/rails_pg_extras/mcp_app.rb

Class Method Summary collapse

Class Method Details

.build ⇒ Object 



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# File 'lib/rails_pg_extras/mcp_app.rb', line 78

def self.build
  app = lambda do |_env|
    [200, { "Content-Type" => "text/html" },
     ["<html><body><h1>Hello from Rack!</h1><p>This is a simple Rack app with MCP middleware.</p></body></html>"]]
  end

  # Create the MCP middleware
  mcp_app = FastMcp.rack_middleware(
    app,
    name: "rails-pg-extras", version: RailsPgExtras::VERSION,
    path_prefix: "/pg-extras-mcp",
    logger: Logger.new($stdout),
  ) do |server|
    server.register_tools(DiagnoseTool)
    server.register_tools(MissingFkConstraintsTool)
    server.register_tools(MissingFkIndexesTool)
    server.register_tools(*QUERY_TOOL_CLASSES)

    server.register_resource(ReadmeResource)

    Rack::Builder.new { run mcp_app }
  end
end