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io.github.Invaro/opentax

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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 opentax 'https://opentax.invaro.ai/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "opentax": {
            "type": "http",
            "url": "https://opentax.invaro.ai/mcp"
        }
    }
}
NPM package @invaro/opentax
Claude Code 
claude mcp add opentax -- npx -y @invaro/opentax@0.2.1
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "opentax": {
            "command": "npx",
            "args": [
                "-y",
                "@invaro/opentax@0.2.1"
            ]
        }
    }
}

Frequently asked questions

What is io.github.Invaro/opentax?

Verifiable US tax oracle for AI agents: cited, machine-checkable federal and state tax computation

How do I install io.github.Invaro/opentax?

It runs as a remote server. In Claude Code: claude mcp add --transport http opentax 'https://opentax.invaro.ai/mcp'. For other clients, paste the JSON configuration from this page into their MCP settings.

Does io.github.Invaro/opentax need an API key?

Its registry entry lists no required key or secret. Some features may still need an account with the service it connects to.

Who maintains io.github.Invaro/opentax?

It is published by Invaro. 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.