The Pillar MCP Server

by thepillar Your server? Claim it

answering

The Pillar is answering right now. Last checked 2 min ago. It exposes 5 tools.

Find and lease ad windows and city billboards on The Pillar, a 3D tower. Paid monthly on Stripe.

Uptime history 19 days of history

19 days agonow

100.0%

Uptime 24h

184 of 184 checks

Tools

read from the server

379 ms

Response time

average over 24h

OAuth sign-in

Access

streamable-http

What changed 3

Every tool that appeared, vanished or quietly changed what it asks for. Recorded since 9 October 2026. No other catalogue keeps this.

19 Oct a tool description was rewritten start_lease

9 Oct a tool description was rewritten find_windows

9 Oct a tool changed the parameters it asks for find_windows

Nothing serious here today

Today is the operative word: we check The Pillar every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 2 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add pillar --transport http https://thepillar.io/mcp

Settings → Connectors → Add custom connector, then paste this address

https://thepillar.io/mcp

~/.codex/config.toml

[mcp_servers.pillar]
url = "https://thepillar.io/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "pillar": {
      "url": "https://thepillar.io/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "pillar": {
      "type": "http",
      "url": "https://thepillar.io/mcp"
    }
  }
}

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

This server publishes 1 more address. The block above uses the one we reach during checks; the full list is under Endpoints below, and the author may intend a particular one for your client.

Available tools 5

Read directly from the server with tools/list, grouped by what they act on. If a tool disappears, we record the date.

lease

check_lease

Where a lease stands: awaiting_payment, in_review (paid, a person checks it first), live, refused (nothing charged), rejected_refunded, refunded (the slot was taken while paying), expired (the link ran out unpaid) or ended, with a plain message.

prices

get_prices

Every floor's monthly price for a middle and a corner window, and the price range of city billboards, in US cents. The listed price is exactly what Stripe charges.

start

start_lease

Start leasing a free window or billboard for a brand. The ad (website, name, pitch, logo) is checked first; a refused ad costs nothing. Returns checkoutUrl and leaseId: give checkoutUrl to the person, who pays the monthly price on Stripe within 60 minutes (you can't pay for them, and nothing is charged before they do). No account is needed: the window belongs to the email they pay with. Name, pitch and logo come from the website when left out. Then follow the lease with check_lease. Agents with their own USDC wallet on Base can instead pay for a month themselves with x402 at POST https://thepillar.io/api/v1/leases/x402 (no account; see thepillar.io/developers#x402).

window

get_window

One window or billboard by id ("F47-S3" is floor 47, south face, column 3; "B-1234" is a city billboard): its monthly price and whether it can be leased now. When it can't, reason says why: taken (lit by a brand), reserved (paid, in review), paused, prize (a game prize, only its winner can lease it) or crown (never sold).

windows

find_windows

List the free ad windows on the tower, the free city billboards and the free casino game sponsorships, with monthly prices. Tower windows come first (floor 1 up, the cheapest floors first), then billboards (the most prominent first), then the casino's games: use kind to get only one of them, and maxPrice to cap the monthly price. Any floor, face or spot filter returns tower windows only. Pages hold up to 100 items; when next isn't null, pass it as cursor for the next page.

Endpoints

URL	Transport	State	Latency	Checked
https://thepillar.io/mcp	streamable-http	answering	310 ms	2 min ago
https://thepillar.io/mcp/account	streamable-http	sign-in	304 ms	2 min ago

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The Pillar — questions

Answers built from our own checks of this server.

What can The Pillar do?

It exposes 5 tools, read directly from the server on our last check. Among them: check_lease, find_windows, get_prices, get_window, start_lease. The full list with descriptions is on this page — we take it from the server itself via tools/list, not from a README. How MCP servers expose tools in the first place →

Is The Pillar working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 184 of 184 checks got a reply (100.0%), average response time 379 ms. The bar chart above shows every period we have measured.

How do I connect The Pillar?

Copy the ready config from this page. We generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each in the form that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.

How do you sign in to The Pillar?

No API key is involved. The Pillar answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.

How fast is The Pillar?

It answers our handshake in 379 ms on average, which is faster than 39% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.