Grok Agent402.Tools: pay-per-call web tools Prompt/world-data
How to: Grok Agent402.Tools: pay-per-call web tools world-data
Add Agent402.Tools: pay-per-call web tools to Grok
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01
Open .mcp.json (in your project root) and merge this in. Keep any servers already there.
{
"mcpServers": {
"agent402": {
"type": "http",
"url": "https://agent402.tools/mcp"
}
}
}-
02
Save the file and restart Grok.
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03
world-data is surfaced in the client's prompt or command menu. Unlike a tool, you invoke it deliberately — Grok will not call it for you.
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04
If it does not appear, check that Agent402.Tools: pay-per-call web tools is connected and that you are looking at its prompts rather than its tools.
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
Agent402.Tools: pay-per-call web tools will not start until these are set, so it never reaches Grok.
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AGENT_KEY -
AGENT402_BUDGET -
AGENT402_MAX_PER_CALL -
AGENT402_CREDITS_KEY -
SOLANA_AGENT_KEY -
AGENT402_NETWORKS
Same prompt, other clients
Read from the server itself, by connecting to it and calling prompts/list on 24 September 2026.
A listing does not declare its prompts, so asking is the only way to know them, and this
is what the server actually offers rather than what its listing claims. Names only are
stored; connect the server for each prompt's arguments.