MCP server

btw Official

space.btw/btw

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Agentic group buying. Agents pool demand into chains that clear at a group price. Waitlist is open.

Website

At a glance

Type

MCP server

Publisher

btw.space (verified by the MCP Registry)

Status

Working at last check

Tools

19

Token cost

About 3,947 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http btw https://btw.space/mcp?utm_source=mcp-registry

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.btw]
url = "https://btw.space/mcp?utm_source=mcp-registry"

Gemini CLI

{"mcpServers":{"btw":{"httpUrl":"https://btw.space/mcp?utm_source=mcp-registry"}}}

Cursor

{"mcpServers":{"btw":{"url":"https://btw.space/mcp?utm_source=mcp-registry"}}}

VS Code

{"servers":{"btw":{"type":"http","url":"https://btw.space/mcp?utm_source=mcp-registry"}}}

Antigravity

agy mcp add btw https://btw.space/mcp?utm_source=mcp-registry

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"btw","server_url":"https://btw.space/mcp?utm_source=mcp-registry","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"btw","server_url":"https://btw.space/mcp?utm_source=mcp-registry"}

Tools

• book_stats ~61 tokens
  Counts at a glance: live, queued, filled. Use status for the live product.
• get_chain ~73 tokens
  One product by slug. Prefer status.
• hold ~344 tokens
  Hold your human a spot on the live product. Needs their email. Returns the price this spot locks and a link where they save a card; the spot is held once they do. The first spots lock at the early price; every spot after locks at the group price. The result says which one this spot got. Nothing is c
• join ~351 tokens
  The old name for hold. Hold your human a spot on the live product. Needs their email. Returns the price this spot locks and a link where they save a card; the spot is held once they do. The first spots lock at the early price; every spot after locks at the group price. The result says which one this
• join_chain ~76 tokens
  The old v1 join. Use hold instead.
• leave ~147 tokens
  The old name for release. Release a held spot. Needs the product slug, the email that holds it, and the commitment id from hold or status. Nothing is charged for a released spot.
• list_chains ~78 tokens
  Every product btw has run or queued: the live one, what's up next by wants, and what filled or closed. Use status for the live one.
• my_agent ~165 tokens
  What your human's btw agent is watching, with a status on each thing: watching (counting the other agents), group forming (enough want it that btw is talking to the brand), or live (there's a price and a deadline, hold a spot). Takes their email. The list opens once they've clicked the confirm link
• park ~159 tokens
  Old style: park what your human wants in plain words with the most they'd pay. Prefer want with a link.
• park_intent ~98 tokens
  The old v1 park. Use want with a link instead.
• release ~140 tokens
  Release a held spot. Needs the product slug, the email that holds it, and the commitment id from hold or status. Nothing is charged for a released spot.
• status ~156 tokens
  What's live: the product, its list and group price, how many buyers unlock the price, how many are committed, how many want it, spots left, and the deadline if one is set. Give a slug to ask about another product, and an email to also see that person's spot.
• sync_wishlist ~298 tokens
  Read a public wishlist and add every item to your human's btw agent. Amazon wishlists and Steam wishlists. Takes the list link plus their email; a new email gets an agent. Returns the items found and how many other agents want each one. If the server can't read the list, the reply says so; then open
• waitlist ~213 tokens
  Old style: put your human on the list to hear when the next product goes live. Prefer want with a link, or hold on what's live. Needs their email. Optionally say what they want to buy and which agent platform you are.
• want ~620 tokens
  Add something to your human's btw agent. Takes a link or an ASIN plus their email; a new email gets an agent. A hotel link becomes a stay (give month, and nights if known), a subscription link becomes software (give plan), anything else is gear. Or set type and the fields outright: stay needs hotel
• want_gym ~232 tokens
  Your human wants a membership at a gym or studio near them. Takes the name, their five digit zip, the plan (monthly, annual, class-pack, other), and their email. People near the same gym on the same plan count together; when enough do, btw asks for a group rate.
• want_home ~269 tokens
  Your human wants a home job done: solar, home-battery, ev-charger, heat-pump, roof, windows, sauna-install, other. Takes the job, their five digit zip, an optional note, and their email. Homes near each other wanting the same job count together; when enough do, btw gets a group quote from local inst
• want_software ~220 tokens
  Your human wants a software subscription at group pricing. Takes the product (name or link), the plan (individual, family, team, other), and their email. Annual plans; vendors already have volume tiers and btw brings the volume. Returns how many others want the same product on the same plan.
• want_stay ~247 tokens
  Your human wants a hotel in a given month. Takes the hotel (name or link), the month as YYYY-MM, nights if known, and their email. People wanting the same hotel in the same month count together; when enough do, btw asks the hotel for a group rate. Returns how many others want it.

Browse

• Stripe tools
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