---
title: "Mercury MCP Server: Claude and ChatGPT Setup | SourceMedium"
description: Mercury's MCP server at mcp.mercury.com reads balances, transactions, statements, cards, and recipients after OAuth sign-in, and cannot move money.
url: "https://sourcemedium.com/mcp-directory/mercury/"
type: static
generatedAt: "2026-09-29T01:21:01.000Z"
---

[MCP Directory](https://sourcemedium.com/mcp-directory/) Payments and finance Official
# Mercury MCP server

Remote endpoint mcp.mercury.com/mcp. Checked September 2026.

Balances, transactions with merchant and category detail, monthly statements, cards, payment recipients, and invoice and customer records are what Mercury's hosted server returns for a business's checking, savings, and treasury accounts. It is read-only and cannot move money.

## Mercury MCP options

Every fact in a row comes from the publisher's own documentation.

| Option | Audience | Reads or changes | Sign-in | Setup |
| --- | --- | --- | --- | --- |
| Mercury MCP `https://mcp.mercury.com/mcp` Mercury | Merchants | Hosted read-only server that returns accounts and balances, transactions, monthly and treasury statements, cards, recipients, expense categories, users, and invoice and customer records for the Mercury account that signs in. Read only | OAuth sign-in | [Setup guide →](https://docs.mercury.com/docs/connecting-mercury-mcp) |

## Connect Mercury to your assistant

Each card lists the servers whose setup guide covers that assistant.

### Connect Mercury to ChatGPT

- [Mercury MCP →](https://docs.mercury.com/docs/connecting-mercury-mcp) [Add from ChatGPT's plugin directory](https://openai.com/business/plugins/mercury/)

### Connect Mercury to Claude

- [Mercury MCP →](https://docs.mercury.com/docs/connecting-mercury-mcp) [Add from Claude's connector directory](https://claude.com/marketplace/connectors/mercury)
Claude Code

```
claude mcp add --transport http mercury https://mcp.mercury.com/mcp
```

### Connect Mercury to Codex

- [Mercury MCP →](https://docs.mercury.com/docs/connecting-mercury-mcp)

Mercury's setup guides also name Google AI Studio.

## Other ways to reach Mercury data

- [Mercury API docs →](https://docs.mercury.com/docs/welcome)
- [Mercury API, CLI and MCP overview →](https://mercury.com/api)

## One MCP server per tool still can't answer a cross-channel question.

Each server brings its own sign-in, its own definition of revenue, and data your assistant can't join to the rest.

SourceMedium connects 63 commerce and marketing sources, keeps one set of maintained definitions, and gives ChatGPT, Claude, and other assistants a single connection to all of it. Mercury is not a SourceMedium source today.
## More in Payments and finance

- [NetSuite MCP server →](https://sourcemedium.com/mcp-directory/netsuite/)
- [PayPal MCP server →](https://sourcemedium.com/mcp-directory/paypal/)
- [QuickBooks MCP server →](https://sourcemedium.com/mcp-directory/quickbooks/)