dkaleganov/mercury-multiorg-mcp

Overview

Unofficial read-only MCP server that connects to Mercury banking APIs for multiple organizations within a single AI session. Exposes banking data to MCP-compatible clients, allowing consolidated access without write capabilities.

Best for

Best for
Developers building AI tools that need consolidated read-only Mercury banking data across organizations.

Use cases

• Query account balances across multiple Mercury organizations
• Retrieve transaction history for analysis in an AI assistant
• Consolidate banking data from several orgs into one MCP session

How to use

Install

uvx mercury-multiorg-mcp@0.1.6 --entities /private/path/entities.yaml

Tools exposed

• list_entities
• server_info
• list_accounts
• list_transactions
• reportable_totals
• list_recipients
• list_tax_docs
• get_org
• list_statements
• list_treasury
• list_treasury_transactions
• list_treasury_statements
• list_credit_accounts
• list_cards
• get_card
• list_categories
• list_merchants
• list_customers
• list_invoices
• get_invoice

Tested with

Claude Desktop, Claude Code, Cursor, Windsurf, VS Code

Notes

Unofficial read-only MCP server that connects to Mercury banking APIs for multiple organizations within a single AI session. Exposes banking data to MCP-compatible clients, allowing consolidated access without write capabilities.

0 stars on GitHub. Last updated 2026-09-15. Licensed MIT.

Use cases

• Query account balances across multiple Mercury organizations
• Retrieve transaction history for analysis in an AI assistant
• Consolidate banking data from several orgs into one MCP session

Pros

• Multi-organization support in a single session
• Read-only design minimizes risk of accidental modifications
• Open source Python implementation for customization

Cons

• Unofficial and not supported by Mercury
• Requires self-hosting and configuration of API credentials
• Limited community adoption (0 stars) may mean fewer tested edge cases

Indexed from awesome-mcp-servers-punkpeye and enriched against its public facts.