Countersign for Grok
ai.llpro.countersign/countersign
Independent, signed check of AI work: math, quotes, sources, links, code. Public verifiable log.
client:Grok
transport:streamable-http
tools:3
Install Countersign in Grok
.mcp.json (in your project root)
{
"mcpServers": {
"countersign": {
"type": "http",
"url": "https://countersign.llpro.ai/mcp"
}
}
}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