1c MCP Server: Install & Setup

Install 1c in Claude Code

Claude Code

claude mcp add 1c -e MCP_1C_BASE=... -e MCP_1C_USER=... -e MCP_1C_PASSWORD=... -e RCS_LICENSE_KEY=... -- npx -y @rcs-kz/mcp-1c

mcp.json (Claude Desktop, Cursor, VS Code, Windsurf)

{
  "mcpServers": {
    "1c": {
      "command": "npx",
      "args": [
        "-y",
        "@rcs-kz/mcp-1c"
      ],
      "env": {
        "MCP_1C_BASE": "...",
        "MCP_1C_USER": "...",
        "MCP_1C_PASSWORD": "...",
        "RCS_LICENSE_KEY": "..."
      }
    }
  }
}

Replace each ... with your own value.

Frequently asked questions

What does the 1c MCP server do?

MCP server for 1C:Enterprise — read+write CRM/ERP through Claude/Cursor/Cline.

Is the 1c MCP server free?

The server is free, but you will likely need an account. The server itself is free, but it connects to a service that needs an account or API key, which may have paid tiers. Check the provider for current pricing.

Does 1c run locally or remotely?

Local. Runs on your machine (stdio). You install it with npx, uvx, Docker or from source.

How do I add 1c to Claude Code?

Run: claude mcp add 1c -e MCP_1C_BASE=... -e MCP_1C_USER=... -e MCP_1C_PASSWORD=... -e RCS_LICENSE_KEY=... -- npx -y @rcs-kz/mcp-1c

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