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AI & MLAPI KeyOfficial MCPScore: 66

Anthropic API MCP Server

Access Claude AI models for text generation, analysis, and code assistance through the Anthropic API.

Quick Answer

  1. 1. The Anthropic API MCP server lets Claude, Cursor, and VS Code interact with the Anthropic API API through natural language.
  2. 2. Setup: Add the config to claude_desktop_config.json, set your API Key variables, and restart.
  3. 3. 2 operations available including Create a message, Complete text.
  4. 4. Quality score: 66/99 — fair source quality and documentation coverage.

Overview

Category: AI & ML

Auth: API Key

Endpoints: 2

Transport: STDIO

Command: npx -y @anthropic/mcp-server

Spec: v2025-01-01

Setup time: ~2 min (auth required)

Environment Variables

ANTHROPIC_API_KEY

Example: sk-ant-...

One-Click Install

Copy the snippet for your MCP client and paste it in — zero editing required.

Claude Desktop

Add to claude_desktop_config.json

{
  "mcpServers": {
    "anthropic": {
      "command": "npx",
      "args": [
        "-y",
        "@anthropic/mcp-server"
      ],
      "env": {
        "ANTHROPIC_API_KEY": "sk-ant-..."
      }
    }
  }
}
Deep link

Cursor

Settings → MCP Servers → Add

{
  "mcpServers": {
    "anthropic": {
      "url": "https://mcpbridge.org/config/anthropic.json"
    }
  }
}

Saves as .cursor/mcp.json in the download. Move it to your project root.

Deep link install →

VS Code

Use with MCP extension

{
  "mcpServers": {
    "anthropic": {
      "url": "https://mcpbridge.org/config/anthropic.json"
    }
  }
}

MCP Server Configuration

Add this to your claude_desktop_config.json or Cursor MCP settings.

{
  "mcpServers": {
    "anthropic": {
      "command": "npx",
      "args": ["-y","@anthropic/mcp-server"],
      "env": {
      "ANTHROPIC_API_KEY": "sk-ant-..."
}
    }
  }
}

What You Can Build

With the Anthropic API MCP server, your AI assistant can:

  • Access 2 API operations through natural language
  • Read, create, and modify ai & ml resources without writing HTTP requests
  • Chain multiple operations in a single conversation for complex workflows
  • Combine with other MCP servers for cross-tool automation

Endpoints

POST/v1/messages

Create a message

POST/v1/complete

Complete text

Documentation →

Authentication

This API requires API Key authentication.

Set the required environment variables in your MCP client before using this server. Refer to the Anthropic API API documentation to obtain credentials.

Required environment variables:

  • ANTHROPIC_API_KEY

Spec Version

Version: 2025-01-01

Spec version published with the OpenAPI document. Config auto-updates when the spec changes.

Page last updated: June 13, 2026

Quality Score

66/99Fair
  • +Official source (+30)
  • +Has documentation (+12)
  • +Auth type defined (+8)
  • +OpenAPI spec available (+8)
  • +2 endpoints (+8)

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