In a podcast, Joel Hron, chief technology officer at Thomson Reuters, discussed how agentic AI and MCP-connectivity into Claude are streamlining legal work. Hron noted that AI can now draft, summarise, and analyse in seconds, but the hard part is ensuring outputs are grounded in authoritative sources. Thomson Reuters spent the last three years developing an agentic AI workflow for the legal profession. About nine months ago, the company rebuilt CoCounsel from the ground up with an agent-first approach in partnership with Anthropic. Hron highlighted an evaluation framework called CoCounsel Bench, for which the company spent hundreds of thousands of man-hours with internal experts. While 99.99% of development effort was spent on CoCounsel, there is now support for agentic AI workflows using Model Context Protocol (MCP). Product development began in 2023 with the $650m acquisition of CaseText. In May, Thomson Reuters announced new MCP integration with Anthropic that connects Claude directly to CoCounsel Legal, enabling legal professionals to move between general-purpose AI and citation-grounded legal work.