Agent-accessible bank front doors and service APIs
External agents may request product facts and authorized customer services through websites, APIs, MCP or Poppy-like business access patterns.
Executive question
Which bank services can independent agents safely discover and use?
What to measure
- Agent endpoint access and failure rates
- Verified vs self-declared identity
- Eligibility/quote/application completion
Relevant products and standards
Agent2Agent (A2A) is an open standard for communication and interoperability between independent AI agent systems: discovery, interaction and task management.
Model Context Protocol: the standard way an AI agent connects to tools and data. Created by Anthropic (Nov 2024); donated to the Linux Foundation's Agentic AI Foundation on 9 Dec 2025.
Copilot Studio is a platform to build, customize, deploy and manage AI agents and workflows with built-in security and governance.
Personal Agent Protocol: a draft (v0.1) for a customer's personal agent to identify itself to a business, get consent and open a session. Announced by Sierra and Meta on 6 Oct 2026 with six named partners; the 9 Oct draft lists seven initial partners and 35 design partners.
Sierra's platform (Agent OS) for brands to build, test and run customer-facing AI agents across voice, chat, email and messaging.
Relevant examples, not documented integrations, completeness, certification or endorsement. Listed alphabetically.
Evidence and current limits
Support varies by bank and protocol; no universal discovery standard.
Draft analysis, under editorial review.