Custodians
Dispatches on custodians for AI agents in financial services.
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Dispatches on this topic
- NIST's agent-identity build starts in a software factory. The advisor-to-custodian hop isn't on its schedule.
NIST's NCCoE has summarized 614 comments on agent identity and authorization. Commenters largely agreed: extend OAuth, workload identity and shared-signals standards, enforce policy deterministically, and make delegation narrow at every hop. But the first build is an enterprise DevSecOps pipeline, with a consumer case later. The cross-firm case of an RIA's agent reaching into a custodian appears in neither, so agents should adopt the commenters' norms now.
- Advisor agents can only see the vendors that agreed to share. Betterment says an MCP release is coming.
Kitces counts 11 connectors in Claude for Financial Advisors and a longer list of planning tools and custodians that are not connected. Betterment Advisor Solutions now says its document data will reach agentic workflows before year-end, with an MCP release to follow. Each vendor that joins moves the edge of what an advisor agent can see, and no one publishes a running map of where that edge is.
- Zeplyn's agent reads what the firm never assembled. NIGO only grades the form.
An agent just did the thing every unified-data-layer program promised and never delivered: it read the client knowledge scattered across meetings, emails and documents that no firm ever assembled. The one number published about its accuracy grades whether the form was filled in correctly — not whether the facts in it are still true.