How Modern Treasury Built a Bank Operations Agent

Modern Treasury deployed a Bank Operations Agent, built with MintMCP Coworker Agents and governed through MintMCP’s MCP and Agent Gateways, to help Technical Account Managers investigate payment failures, reconciliation anomalies, and other customer issues across systems including Notion, Hex, Linear, Sentry, Devin, Zendesk, and Slack. The agent decomposes requests, queries relevant sources in parallel, assigns each tool a distinct role such as documentation, production data, runtime errors, or customer history, and synthesizes evidence while escalating unresolved ambiguity rather than guessing. Its reported benefits include saving 30 to 60 minutes on simpler process or webhook questions and 2 to 4 hours on complex multi-system cases, although these results are specific to Modern Treasury’s workflow. Governance measures include agent-specific identities, scoped credentials, read-only production-data access through Hex, audit logging, and mandatory human approval for customer-facing communications and Zendesk ticket filing. The implementation illustrates a “smart overlay” approach that connects AI agents to existing systems rather than replacing them, while emphasizing documented procedures, conservative escalation during rollout, monitoring of tool usage and quality, and feedback-driven updates to agent instructions.

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