How do I use Weather MCP Server?

1. Click on "Install Server". 2. Wait a few minutes for the server to deploy. Once ready, it will show a "Started" state. 3. In the chat, type @ followed by the MCP server name and your instructions, e.g., "@Weather MCP Server what's the weather forecast for Tokyo this weekend?" That's it! The server will respond to your query, and you can continue using it as needed. Here is a step-by-step guide with screenshots.

Weather MCP Server

Model Context Protocol server with integrated micropayment functionality. Built with Bun, TypeScript, and the ATXP payment system for monetizing LLM tool calls.

Features

MCP Protocol: Standardized tool interface for AI assistants
Payment Integration: ATXP middleware requiring USDC micropayments per tool call
Stateless Architecture: Per-request transport isolation for scalability
Type-Safe: Strict TypeScript with Zod v3 validation
High Performance: Bun runtime for fast execution

Tech Stack

Runtime: Bun
Protocol: MCP
Payment: ATXP
Validation: Zod v3
Server: Express v5

Quick Start

# Install bun install # Configure .env ATXP_CONNECTION="your-atxp-connection-url" PORT=3000 # Development bun run dev # Production bun run build bun run start

Architecture

Client → Express → ATXP Payment → MCP Transport → Tool Handler → Response

Each tool call validates payment before execution. The server creates a new StreamableHTTPServerTransport per request to prevent JSON-RPC ID collisions.

Tool Registration

server.registerTool( "tool-name", { title: "Tool Title", description: "What it does", inputSchema: { param: z.string() }, outputSchema: { result: z.string() } }, async (params) => { await requirePayment({ price: BigNumber(0.01) }); return { content: [{ type: "text", text: JSON.stringify(output) }], structuredContent: output }; } );

API

POST / - Accepts MCP JSON-RPC 2.0 requests

{ "jsonrpc": "2.0", "method": "tools/call", "params": { "name": "tool-name", "arguments": {} }, "id": 1 }

TypeScript Config

verbatimModuleSyntax: true - Explicit type imports required
moduleResolution: bundler - Optimized for Bun
strict: true - All strict checks enabled
noEmit: true - Bun handles compilation

Key Dependencies

@modelcontextprotocol/sdk - MCP implementation
@atxp/express - Payment middleware
zod@^3.23.8 - Required for MCP SDK compatibility
bignumber.js - Precise monetary calculations

Built with Bun 🥟

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Weather MCP Server

Weather MCP Server

Features

Tech Stack

Quick Start

Architecture

Tool Registration

API

TypeScript Config

Key Dependencies

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