Loyal Spark Loyalty Protocol

Instructions

Implementation Reference

• supabase/functions/loyalty-mcp/index.ts:117-125 (handler)

  Tool registration and handler implementation for "list_rewards" within the loyalty MCP server.

  mcpServer.tool("list_rewards", {
    description: "List rewards for a loyalty program by token_address",
    inputSchema: { type: "object" as const, properties: { token_address: { type: "string", description: "Token contract address (0x...)" } }, required: ["token_address"] },
    handler: async ({ token_address }: any) => {
      const err = authGuard(["read"]);
      if (err) return T(err);
      const { data, error } = await db().from("rewards").select("id,name,description,cost,is_active,created_at").eq("token_address", token_address.toLowerCase()).eq("merchant_address", agent.ownerAddress);
      if (error) return T(JSON.stringify({ error: error.message }));
      return T(JSON.stringify({ rewards: data || [] }));