mercury-invoicing-mcp

Mercury Banking MCP server with full Invoicing API support. Read accounts/transactions and create/manage recurring invoices via Model Context Protocol.

→ klodr/mercury-invoicing-mcp · listed on glama

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// key findings

✅

No credential exfiltration, no sensitive file access, no obfuscation

Static analysis found nothing flowing your secrets to unexpected places.

✅

Open source with a license and README

Anyone can audit the code, the license is declared, and the publisher documents what it does.

🔐

You'll be asked for 1 credential: MERCURY_API_KEY

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// required environment variables

This server reads these from process.env. You'll be asked to provide them before it can run.

configMERCURY_API_BASE_URL

🔐 secretMERCURY_API_KEY— The server reads from the environment. Get your API key at [Mercury Settings → API Tokens](https://app.mercury.com/settings/tokens).

configMERCURY_MCP_ALLOW_NON_MERCURY_HOST

configMERCURY_MCP_AUDIT_LOG— /var/log/mercury-mcp-audit.log

configMERCURY_MCP_AUDIT_LOG_MAX_BYTES

configMERCURY_MCP_DRY_RUN

configMERCURY_MCP_RATE_LIMIT_DISABLE— true # disable all rate limiting (not recommended)

configMERCURY_MCP_RATE_LIMIT_invoices_write— 20/day,400/month # large monthly billing run

configMERCURY_MCP_RATE_LIMIT_payments— 15/day,300/month # larger supplier batch

configMERCURY_MCP_RATE_LIMIT_webhooks_create

configMERCURY_MCP_SOURCEMAP

configMERCURY_MCP_STATE_DIR

// full audit trail

The full breakdown of what we checked, the deductions that landed, the network hosts, the dependency advisories, and concrete fix guidance is available to verified publishers.

// embed badge in your README

[![M8ven Score](https://m8ven.ai/badge/mcp/klodr-mercury-invoicing-mcp-w7f5yn)](https://m8ven.ai/mcp/klodr-mercury-invoicing-mcp-w7f5yn)

commit: b90cdd7c25225ccdb6715a6e01577c036bc24b7e

code hash: fb18df3b41015f391b8d41a01ce3f1f2c2696d43df0474aa353c060f600141ee

verified: 6/10/2026, 11:19:10 AM

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