Grok Numeratica — financial planning calculations contribution_limits
How to: Grok Numeratica — financial planning calculations contribution_limits
Add Numeratica — financial planning calculations to Grok
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01
Open .mcp.json (in your project root) and merge this in. Keep any servers already there.
{
"mcpServers": {
"mcp": {
"type": "http",
"url": "https://api.numeratica.com/mcp"
}
}
}-
02
Save the file and restart Grok.
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03
Ask for something contribution_limits does. Grok lists the server's tools on connect and calls contribution_limits itself — you do not invoke it by name.
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04
If nothing happens, check the server is running and that Numeratica — financial planning calculations's identifier in your config matches the one above exactly.
Grok Build reads Claude Code's .mcp.json and Claude Desktop's config unchanged, so a server you have already set up there needs nothing new. The Grok web app and X integration do not take custom servers. Grok docs
Set these first
Numeratica — financial planning calculations will not start until these are set, so contribution_limits never becomes available.
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NUMERATICA_API_KEY -
NUMERATICA_BASE_URL -
NUMERATICA_TIMEOUT_MS
Same tool, other clients
This list was read from the server itself, by connecting to it and calling tools/list on 24 September 2026. It is what
the server actually exposes, not what its listing claims.
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. The registry stores tool names only; connect the server for its live schemas.