Every figure re-checked against SQL-computed facts; unsupported questions refused with the reason.
Install
Run one of the commands below, then add the client config underneath.
https://plumbline.lattice-sys.com/mcp/demoClient configuration
Paste into Claude Desktop, Cursor (mcp.json), VS Code or any MCP client, then restart the client.
{
"mcpServers": {
"mcp-529": {
"url": "https://plumbline.lattice-sys.com/mcp/demo"
}
}
}About this server
Plumbline — a trust layer for LLM answers is listed in the Databases category of the MCPNav directory. It is distributed as Streamable HTTP and can be loaded by any client that speaks the Model Context Protocol.
Typical uses include giving your assistant scoped access to the corresponding service so it can answer questions and take actions with real data instead of guessing. Always review what a server can access before you enable it — see our MCP security guide.
Frequently asked questions
What is the Plumbline — a trust layer for LLM answers MCP server?＋
Plumbline — a trust layer for LLM answers is an MCP server by lattice-sys. Every figure re-checked against SQL-computed facts; unsupported questions refused with the reason.
How do I install Plumbline — a trust layer for LLM answers?＋
Install it with: https://plumbline.lattice-sys.com/mcp/demo. Then add the JSON config to your client's MCP settings and restart the client.
Is Plumbline — a trust layer for LLM answers free to use?＋
The MCP server itself is free to install. Any third-party API it calls (such as a search or maps API) may require its own key and billing.
Which clients support Plumbline — a trust layer for LLM answers?＋
Any MCP-compatible client can use it, including Claude Desktop, Cursor, VS Code, Windsurf and custom agents.