インモビインモビ

import { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import { StdioServerTransport } from "@modelcontextprotocol/sdk/server/stdio.js";
import { z } from "zod";
import { extract, toMarkdown } from "@mizchi/readability";

const server = new McpServer({
  name: "deno",
  version: "1.0.0",
});

server.tool(
  "read_url_content",
  "与えられたURLの本文抽出で取得し、Markdown形式で返します。",
  { url: z.string().describe("URL") },
  async ({ url }) => {
    const html = await fetch(url).then((res) => res.text());
    const extracted = extract(html, { charThreshold: 100 });
    if (extracted.root) {
      const parsed = toMarkdown(extracted.root);
      return { content: [{ type: "text", text: parsed }] };
    } else {
      return {
        content: [
          {
            type: "text",
            text: `No content found at the provided URL. Return full html.\n${html}`,
          },
        ],
      };
    }
  }
);

try {
  const transport = new StdioServerTransport();
  await server.connect(transport);
  console.error("Local MCP Server running on stdio");
} catch (error) {
  console.error("Error starting MCP server:", error);
  process.exit(1);
}

.claude/mcp.json

{
  "mcpServers": {
    "local": {
      "command": "node",
      "args": [".claude/mcp-server.ts"]
    }
  }
}

$ claude --mcp-config=.claude/mcp.json

> https://ai-sdk.dev/docs/ai-sdk-core/tools-and-tool-calling を markdown で要約して



Tool use                                                │
│                                                         │
│   local:read_url_content(url: "https://ai-sdk.dev/doc   │
│   s/ai-sdk-core/tools-and-tool-calling") (MCP)          │
│   与えられたURLの本文抽出で取得し、Markdown形式で返し   │
│   ます。                                                │
│                                                         │
│ Do you want to proceed?                                 │
│ ❯ 1. Yes                                                │
│  2. Yes, and don't ask again for local:read_url_content │
│   commands in /home/mizchi/sandbox/claude-mcp           │
│                                                         │
│   3. No, and tell Claude what to do differently

  使用例

  import { generateText, tool } from 'ai';
  import { z } from 'zod';

  const result = await generateText({
    model: yourModel,
    tools: {
      weather: tool({
        description: '場所の天気を取得',
        parameters: z.object({
          location:
  z.string().describe('天気を取得する場所'),
        }),
        execute: async ({ location }) => ({
          location,
          temperature: 72 + Math.floor(Math.random() *
   21) - 10,
        }),
      }),
    },
    maxSteps: 5,
    toolChoice: 'required',
    prompt: 'サンフランシスコの天気は？',
  });

.claude/mcp.json

{
  "mcpServers": {
    "deno-local": {
      "command": "deno",
      "args": ["run", "-A", "--deny-env", ".claude/deno-server.ts"]
    }
  }
}

.vscode/settings.json

{
  "deno.enablePaths": [".claude/deno-server.ts"]
}

function claudex() {
    git_root=$(git rev-parse --show-toplevel 2>/dev/null)
    if [ -f "$git_root/.claude/mcp.json" ]; then
        claude --mcp-config="$git_root/.claude/mcp.json" "$@"
    else
        claude "$@"
    fi
}