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Ambr

Official registry AI and agents

Ricardian contracts for AI agents — dual-format, SHA-256 bound, legible by construction.

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 ambr 'https://getamber.dev/api/mcp'
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "ambr": {
            "type": "http",
            "url": "https://getamber.dev/api/mcp"
        }
    }
}

Frequently asked questions

What is Ambr?

Ricardian contracts for AI agents — dual-format, SHA-256 bound, legible by construction.

How do I install Ambr?

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

Does Ambr 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.

Is Ambr open source?

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

Who maintains Ambr?

It is published by getambr. 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.