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Basis

Official registry AI and agents

Parse Excel workbooks, evaluate formulas, trace dependencies and edit workbook models.

Source code Website

Install

Add this to your client's MCP configuration (Claude Desktop: claude_desktop_config.json; Cursor: .cursor/mcp.json; VS Code and others use the same "mcpServers" shape).

Remote (streamable-http)
Claude Code 
claude mcp add --transport http basis 'https://api.basis1.tech/mcp' --header 'Authorization: <Bearer followed by your Basis API key>'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "basis": {
            "type": "http",
            "url": "https://api.basis1.tech/mcp",
            "headers": {
                "Authorization": "<Bearer followed by your Basis API key>"
            }
        }
    }
}
NPM package @basis1/mcp
Claude Code 
claude mcp add basis -e 'BASIS_API_KEY=<your basis_api_key>' -e 'BASIS_BASE_URL=https://api.basis1.tech' -- npx -y @basis1/mcp@0.1.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "basis": {
            "command": "npx",
            "args": [
                "-y",
                "@basis1/mcp@0.1.0"
            ],
            "env": {
                "BASIS_API_KEY": "<your basis_api_key>",
                "BASIS_BASE_URL": "https://api.basis1.tech"
            }
        }
    }
}

Environment variables

  • BASIS_API_KEY required secret Your Basis API key, from https://api.basis1.tech
  • BASIS_BASE_URL Basis API base URL, to use a self-hosted server

Frequently asked questions

What is Basis?

Parse Excel workbooks, evaluate formulas, trace dependencies and edit workbook models.

How do I install Basis?

It runs as a remote server. In Claude Code: claude mcp add --transport http basis 'https://api.basis1.tech/mcp' --header 'Authorization: <Bearer followed by your Basis API key>'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does Basis need an API key?

Yes. It expects BASIS_API_KEY, Authorization, which you set in its configuration.

Is Basis open source?

Its code is public on GitHub, but the repository does not declare a standard license.

Who maintains Basis?

It is published by brandonkrull. AI.tn lists it but does not maintain or endorse it.

From the official MCP Registry. Listing is not an endorsement: review a server's code and permissions before giving it access to your data.