Halves MCP Server

by clawhard Your server? Claim it

answering

Halves is answering right now. Last checked 7 min ago. It exposes 2 tools.

Split shared costs fairly: who owes whom, in the fewest payments. No account.

Uptime history 5 hours of history

5 hours agonow

100.0%

Uptime 24h

17 of 17 checks

Tools

read from the server

87 ms

Response time

average over 24h

open, no key

Access

streamable-http

Nothing serious here today

Today is the operative word: we check Halves 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 7 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add halves --transport http https://halves.clawhard.com/mcp

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

https://halves.clawhard.com/mcp

~/.codex/config.toml

[mcp_servers.halves]
url = "https://halves.clawhard.com/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "halves": {
      "url": "https://halves.clawhard.com/mcp"
    }
  }
}

.vscode/mcp.json

{
  "servers": {
    "halves": {
      "type": "http",
      "url": "https://halves.clawhard.com/mcp"
    }
  }
}

Available tools 2

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

halves

halves_create_group_link

Use when the user wants a shared place for a group (trip, flat, event) to keep adding expenses and see who owes whom, not just a one-time calculation. Creates a group and returns a link anyone can open without signing up to add and edit expenses. Anyone with the link can edit it, so share it only with the group. Creates a saved page, so only call it when the user wants a shared group. For a one-off answer use halves_settle_up. Example: {"name": "Lisbon trip", "currency": "EUR", "people": ["Ana", "Ben", "Cy"]}.

halves_settle_up

Use when the user shares a trip, dinner, household or group expense list and asks who owes whom, how to split costs, or how to settle up. Returns each person's paid, share and net balance, and the smallest set of payments that squares everyone up. Handles equal splits, splits among a subset, exact amounts and payments already made, with correct rounding. Nothing is saved. Example: {"people": ["Ana", "Ben", "Cy"], "expenses": [{"what": "Dinner", "amount": 90, "paid_by": "Ana"}, {"what": "Taxi", "amount": 24, "paid_by": "Ben", "split_between": ["Ben", "Cy"]}]}. Do the arithmetic here instead of by hand.

Endpoints

URL	Transport	State	Latency	Checked
https://halves.clawhard.com/mcp	streamable-http	answering	115 ms	7 min ago

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Halves — questions

Answers built from our own checks of this server.

What can Halves do?

It exposes 2 tools, read directly from the server on our last check. Among them: halves_create_group_link, halves_settle_up. 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 Halves working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 17 of 17 checks got a reply (100.0%), average response time 87 ms. The bar chart above shows every period we have measured.

How do I connect Halves?

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.

Does Halves need an API key?

No. Halves completed a full MCP handshake with us as an anonymous client and listed its tools without asking for anything. All 2 of them are readable on this page. This is what we observed, not what the docs claim.

How fast is Halves?

It answers our handshake in 87 ms on average, which is faster than 93% of all working MCP servers we measure. That puts it in the quick quarter of the ecosystem. The comparison comes from our own checks across the whole registry, every 15 minutes.