Community · Official remote MCP server

The Graham Number Calculator MCP server,
connected in one click.

Benjamin Graham's fair-value ceiling and margin of safety for a US-listed ticker. Connect the official Graham Number Calculator MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.

Connect Graham Number Calculator free How it works

Free to start · No credit card · No hosting needed

Use this server

Add Graham Number Calculator to your AI in one minute

Pick your client. Copy, paste, done — or let gate handle sign-ins and policies for you.

claude mcp add --transport http graham-number-calculator https://www.edgethirteen.com/api/mcp/graham-number-calculator

Run in your terminal, then restart Claude Code.

Graham Number Calculator · https://www.edgethirteen.com/api/mcp/graham-number-calculator

What you can do

What your AI can do with Graham Number Calculator

Real prompts you can type the moment it's connected — no setup, no docs to read.

“Use “compute_graham_number”: Compute Benjamin Graham's fair-value ceiling (sqrt(22.5 * EPS * book value per share)) for a US-listed ticker, and the margin of safety agai.”

Security check

How secure is the Graham Number Calculator MCP server?

Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Graham Number Calculator holds up.

A100/100

Security grade A

gate scanned 1 tools on Oct 4, 2026 for prompt injection and risky tool definitions — nothing to flag.

Full report Badge for your README

✓ Verified directory serverGraham Number Calculator · edgethirteen.com

Official endpoint

Operated by Graham Number Calculator (edgethirteen.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 Graham Number Calculator adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.

Run the free scanner on Graham Number Calculator's server →

How it works

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 Graham Number Calculator

Choose Graham Number Calculator in the gate directory. No sign-in needed.

Use it anywhere

Graham Number Calculator's tools are live in every AI client you've connected — with rules and logging built in.

Connect Graham Number Calculator free

Free to start · No credit card · No hosting needed

Straight from the server

The actual tools Graham Number Calculator exposes

Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.

compute_graham_number — Compute Benjamin Graham's fair-value ceiling (sqrt(22.5 * EPS * book value per share)) for a US-listed ticker, and the margin of safety agai

Author

Who runs the Graham Number Calculator MCP server?

edgethirteen.com

Homepage More servers from edgethirteen.com →

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Server facts

The Graham Number Calculator MCP server at a glance

Endpointhttps://www.edgethirteen.com/api/mcp/graham-number-calculator

Operated byGraham Number Calculator (edgethirteen.com)

CategoryCommunity

Sign-inNone — public data only

Available in gateYes — one-click connect

Works withClaude, ChatGPT, Cursor & any MCP client

FAQ

Questions, answered

Is there an official Graham Number Calculator MCP server?

Yes — Graham Number Calculator operates its own remote MCP server at www.edgethirteen.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 Graham Number Calculator to Claude or ChatGPT?

Add gate's gateway URL to your AI client once, then pick Graham Number Calculator in the directory. No account or sign-in is needed. From then on, Graham Number Calculator's tools are available in every client you've connected to gate.

Do I need to host anything?

No. Graham Number Calculator runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.

Is the Graham Number Calculator 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.