Anthropic’s Matt Samuels and Den Delimarsky - Claude & MCP: Building the USB-C for the Legal Tech

The Geek In Review (3 Geeks and a Law Blog)
The Geek In Review (3 Geeks and a Law Blog)Mar 16, 2026

Why It Matters

MCP standardizes AI‑data integration, cutting development costs and bolstering security for law firms, while unlocking a scalable ecosystem of legal‑tech tools.

Key Takeaways

  • MCP provides a universal protocol to connect AI with siloed data
  • Law firms can compose multiple data sources through a single AI interface
  • Open‑source standard ensures consistent authentication via OAuth across platforms
  • Admins gain granular tool permissions and audit trails for compliance
  • Demo Dozen events showcase emerging legal tech, fostering rapid vendor evaluation

Summary

The podcast introduces Anthropic’s Model Context Protocol (MCP) as the "USB‑C" moment for legal‑tech stacks, positioning it as a universal, open‑source standard that lets AI models securely access data spread across disparate systems such as iManage, Slack, and LexisNexis.

Key insights include MCP’s opinionated yet flexible rail system that standardizes data retrieval, authentication, and authorization via OAuth, while enabling composable connections to multiple MCP servers. The protocol reduces the need for bespoke integrations, offers point‑and‑click admin controls for tool permissions, and provides a compliance API that logs tool usage for auditability.

Den Delmarsski likens MCP to a USB‑C adapter: one standardized plug can connect to any data source, whether an official server from Slack or a custom in‑house server. Real‑world examples show how a law firm could query Slack conversations and iManage documents in a single Claude prompt, with the model transparently invoking the appropriate tools. Matt Samuels emphasizes that CISOs can enforce granular policies—allow, deny, or conditional tool access—and review detailed logs to ensure security and compliance.

The implications are significant: law firms can accelerate AI adoption without extensive custom development, maintain strict security postures, and leverage a growing ecosystem of MCP‑compatible plugins. Vendors gain a clear integration pathway, and the broader legal market benefits from faster, safer, and more interoperable AI‑driven workflows.

Original Description

This week, we sit down with two guests from Anthropic, Matt Samuels, Senior Product Counsel, and Den Delimarsky, a core maintainer of the Model Context Protocol, or MCP. Together, they unpack why MCP is drawing so much attention across the legal industry and why some are calling it the USB-C for AI. For law firms long burdened by disconnected systems, scattered data, and the infamous integration tax, MCP offers a shared framework for connecting models to the places where real work and real knowledge live, from iManage and Slack to email, data lakes, and internal tools.
Den explains that the promise of MCP is not tied to one model or one vendor. Instead, it creates a standardized way for AI tools to securely interact with many different systems without forcing organizations to build one-off integrations every time they want to connect a new source. The conversation gets especially relevant for legal listeners when Greg and Marlene press on issues like permissions, ethical walls, least-privilege access, and auditability. The answer from Anthropic is reassuring. MCP is built to work with familiar enterprise security concepts such as OAuth and role-based access, meaning firms do not have to throw out their security model in order to explore new AI workflows.
Matt brings the legal and operational lens, translating MCP into practical use cases for lawyers, legal ops teams, and security leaders. He describes how AI becomes far more useful once it has access to the systems lawyers already rely on every day, while still operating within carefully defined administrative controls. The discussion highlights a key shift in how firms should think about AI. This is no longer about asking a chatbot a clever question and getting a polished paragraph back. With MCP, firms are moving toward systems where AI can retrieve, correlate, summarize, draft, and support actions across multiple platforms, all while staying inside the guardrails set by the organization.
The episode also explores how MCP fits into the rise of agentic workflows, apps, plugins, and skills. Rather than treating AI as a static assistant, Anthropic describes a future where these tools become active participants in legal work, pulling together information from multiple sources, helping assemble case timelines, drafting notes into a shared document, and supporting lawyers in a far more integrated workspace. The conversation around skills is especially useful for firms thinking about standard operating procedures, preferred drafting styles, escalation rules, and repeatable work product. Skills and MCP do different jobs, but together they start to look like the operating system for structured legal workflows.
By the end of the conversation, one message comes through clearly. The legal profession is still early in this shift, but the pace is picking up fast. Both Matt and Den encourage listeners to stop treating these tools like abstract future concepts and start experimenting with them now. At the same time, they offer an important note of caution. As much as these systems promise speed and efficiency, lawyers still need to protect the craft of lawyering, their judgment, and the human choices that matter most. For firms trying to make sense of where AI is headed next, this episode offers a grounded and practical look at the infrastructure layer that could shape what comes next.
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[Special Thanks to ⁠Legal Technology Hub⁠ for their sponsoring this episode.]
⁠⁠⁠⁠⁠Email: geekinreviewpodcast@gmail.com
Music: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠Jerry David DeCicca⁠⁠⁠⁠⁠⁠⁠⁠⁠

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