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ask-fable

Official registry AI and agents

MCP server for Anthropic's Claude Fable, Opus 5, and multi-model reasoning councils.

Source code

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).

PYPI package ask-fable
Claude Code 
claude mcp add ask-fable -- uvx ask-fable==0.13.0
JSON configuration (Claude Desktop, Cursor, VS Code) 
{
    "mcpServers": {
        "ask-fable": {
            "command": "uvx",
            "args": [
                "ask-fable==0.13.0"
            ]
        }
    }
}

Frequently asked questions

What is ask-fable?

MCP server for Anthropic's Claude Fable, Opus 5, and multi-model reasoning councils.

How do I install ask-fable?

It runs on your machine. In Claude Code: claude mcp add ask-fable -- uvx ask-fable==0.13.0. For other clients, paste the JSON configuration from this page into their MCP settings.

Does ask-fable 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 ask-fable open source?

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

Who maintains ask-fable?

It is published by baggybin. 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.