The Plumbline — a trust layer for LLM answers MCP server,
connected in one click.
Every figure re-checked against SQL-computed facts; unsupported questions refused with the reason. Connect the official Plumbline — a trust layer for LLM answers MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
What your AI can do with Plumbline — a trust layer for LLM answers
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “ask_prepare”: BYO step 1 of 2: run the server-side trust plane for a business question (plan, SQL-verified facts, evidence retrieval, answerability gate,.”
“Use “ask_result”: Fetch the published verdict for an ask_prepare session (status: pending, published, or unknown). This is the app panel's polling surface, so.”
“Use “ask_submit_draft”: BYO step 2 of 2: verify the draft you wrote for an ask_prepare prompt. The server runs the SAME post-answer guards the strict path uses (fac.”
“Use “compare_departments”: Compare two departments by headcount and compensation. NOTE: internal drafting is disabled on this deployment. If your client supports MCP s.”
How secure is the Plumbline — a trust layer for LLM answers MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Plumbline — a trust layer for LLM answers holds up.
Official endpoint
Operated by Plumbline — a trust layer for LLM answers (lattice-sys.com) at its documented MCP endpoint — not a third-party mirror or community re-host.
No sign-in needed
This server only exposes public data — no account and no credentials are involved when you connect.
Scanned before it goes live
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
Watched for drift
If Plumbline — a trust layer for LLM answers adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Connected in three steps
Connect your gate
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Pick Plumbline — a trust layer for LLM answers
Choose Plumbline — a trust layer for LLM answers in the gate directory. No sign-in needed.
Use it anywhere
Plumbline — a trust layer for LLM answers's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
The actual tools Plumbline — a trust layer for LLM answers exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
ask_prepare — BYO step 1 of 2: run the server-side trust plane for a business question (plan, SQL-verified facts, evidence retrieval, answerability gate,
ask_result — Fetch the published verdict for an ask_prepare session (status: pending, published, or unknown). This is the app panel's polling surface, so
ask_submit_draft — BYO step 2 of 2: verify the draft you wrote for an ask_prepare prompt. The server runs the SAME post-answer guards the strict path uses (fac
compare_departments — Compare two departments by headcount and compensation. NOTE: internal drafting is disabled on this deployment. If your client supports MCP s
cross_check — Corroborate a figure you obtained (e.g. from run_sql) against the verified fact store: it re-derives the named value_key from the same SQL t
describe_fact_capabilities — List safe metadata for the registered fact queries available on the server-pinned dataset: IDs, labels, parameters, and result shapes, never
find_payroll_anomalies — Surface payroll and deduction anomalies in the latest snapshot. NOTE: internal drafting is disabled on this deployment. If your client suppo
get_ai_act_transparency — Return the Art. 13 transparency descriptor: intended purpose, capabilities, limitations, human oversight, logging mechanism, and article map
+ 10 more tools once connected
The Plumbline — a trust layer for LLM answers MCP server at a glance
https://plumbline.lattice-sys.com/mcp/demoQuestions, answered
Is there an official Plumbline — a trust layer for LLM answers MCP server?
Yes — Plumbline — a trust layer for LLM answers operates its own remote MCP server at plumbline.lattice-sys.com. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
How do I connect Plumbline — a trust layer for LLM answers to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick Plumbline — a trust layer for LLM answers in the directory. No account or sign-in is needed. From then on, Plumbline — a trust layer for LLM answers's tools are available in every client you've connected to gate.
Do I need to host anything?
No. Plumbline — a trust layer for LLM answers runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the Plumbline — a trust layer for LLM answers MCP server safe to connect?
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Is it free?
Yes — you can get started with gate for free and connect Plumbline — a trust layer for LLM answers in minutes. No credit card required.
Connect more than just Plumbline — a trust layer for LLM answers
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up Plumbline — a trust layer for LLM answers in: Claude · Claude Code · ChatGPT · Cursor · VS Code
Give your AI Plumbline — a trust layer for LLM answers — safely.
One URL. All MCPs. Full control. Free to start.
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