Consult Grok through xAI's metered API with exact model selection and no fallback
Connect Runs on your machine
claude mcp add ask-grok -e XAI_API_KEY=<XAI_API_KEY> -e ASK_GROK_HARNESS=<ASK_GROK_HARNESS> -e ASK_GROK_MODEL=<ASK_GROK_MODEL> -e ASK_GROK_REASONING_EFFORT=<ASK_GROK_REASONING_EFFORT> -e ASK_GROK_MAX_OUTPUT_TOKENS=<ASK_GROK_MAX_OUTPUT_TOKENS> -e ASK_GROK_TIMEOUT_MS=<ASK_GROK_TIMEOUT_MS> -e GMCPT_LOG_LEVEL=<GMCPT_LOG_LEVEL> -- npx -y @ask-llm/[email protected]{
"mcpServers": {
"ask-grok": {
"command": "npx",
"args": [
"-y",
"@ask-llm/[email protected]"
],
"env": {
"XAI_API_KEY": "<XAI_API_KEY>",
"ASK_GROK_HARNESS": "<ASK_GROK_HARNESS>",
"ASK_GROK_MODEL": "<ASK_GROK_MODEL>",
"ASK_GROK_REASONING_EFFORT": "<ASK_GROK_REASONING_EFFORT>",
"ASK_GROK_MAX_OUTPUT_TOKENS": "<ASK_GROK_MAX_OUTPUT_TOKENS>",
"ASK_GROK_TIMEOUT_MS": "<ASK_GROK_TIMEOUT_MS>",
"GMCPT_LOG_LEVEL": "<GMCPT_LOG_LEVEL>"
}
}
}
}{
"mcpServers": {
"ask-grok": {
"command": "npx",
"args": [
"-y",
"@ask-llm/[email protected]"
],
"env": {
"XAI_API_KEY": "<XAI_API_KEY>",
"ASK_GROK_HARNESS": "<ASK_GROK_HARNESS>",
"ASK_GROK_MODEL": "<ASK_GROK_MODEL>",
"ASK_GROK_REASONING_EFFORT": "<ASK_GROK_REASONING_EFFORT>",
"ASK_GROK_MAX_OUTPUT_TOKENS": "<ASK_GROK_MAX_OUTPUT_TOKENS>",
"ASK_GROK_TIMEOUT_MS": "<ASK_GROK_TIMEOUT_MS>",
"GMCPT_LOG_LEVEL": "<GMCPT_LOG_LEVEL>"
}
}
}
}{
"servers": {
"ask-grok": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"@ask-llm/[email protected]"
],
"env": {
"XAI_API_KEY": "<XAI_API_KEY>",
"ASK_GROK_HARNESS": "<ASK_GROK_HARNESS>",
"ASK_GROK_MODEL": "<ASK_GROK_MODEL>",
"ASK_GROK_REASONING_EFFORT": "<ASK_GROK_REASONING_EFFORT>",
"ASK_GROK_MAX_OUTPUT_TOKENS": "<ASK_GROK_MAX_OUTPUT_TOKENS>",
"ASK_GROK_TIMEOUT_MS": "<ASK_GROK_TIMEOUT_MS>",
"GMCPT_LOG_LEVEL": "<GMCPT_LOG_LEVEL>"
}
}
}
}Replace the values in angle brackets with your own. Keys stay on your machine; we never see them.
Tools
This server runs locally, so its tools are listed by your MCP client once it starts.
Environment variables
| Name | Description |
|---|---|
XAI_API_KEYRequired, secret | xAI API key used only for requests to https://api.x.ai |
ASK_GROK_HARNESSOptional | Explicit harness: xai-api (default) or grok-cli; no automatic failover |
ASK_GROK_MODELOptional | Exact selected-harness model override (API default grok-4.7; CLI default grok-4.7; no fallback) |
ASK_GROK_REASONING_EFFORTOptional | Reasoning effort: low, medium, high, or xhigh (default: high) |
ASK_GROK_MAX_OUTPUT_TOKENSOptional | xAI API output-token ceiling to bound accidental spend (default: 16384) |
ASK_GROK_TIMEOUT_MSOptional | Timeout for xAI API requests in milliseconds (default: 600000) |
GMCPT_LOG_LEVELOptional | Log verbosity: debug, info, warn, error (default: warn) |
Details
| Package | @ask-llm/[email protected] (NPM, stdio) |
| First published | 27 Sep 2026 |
| Last updated | 27 Sep 2026 |
| Registry name | io.github.Lykhoyda/ask-grok |
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