Anthropic announced in May 2026 that it is launching a new set of features for law firms under its Claude for Legal platform, expanding an offering that first launched earlier in the year. The additions include legal plugins and model context protocol (MCP) connectors tailored to specific areas of law, and are available to all paying Claude customers.
The new plugins are designed to automate clerical legal functions such as document search and review, case law research, deposition preparation, and document drafting. They cover legal fields including commercial, privacy, corporate, employment, product, and AI governance law. The MCP connectors link Claude directly to third-party software already used by law firms — including DocuSign for document management, Box for file search, and Thomson Reuters’ Westlaw for legal research.
The announcement comes as competition in the AI legal services market intensifies. In March 2026, legal AI startup Harvey raised $200 million at an $11 billion valuation. The following month, rival startup Legora raised $600 million in a Series D round and launched an advertising campaign featuring actor Jude Law. Both companies offer automated tools aimed at streamlining complex legal workflows.
“The legal sector is facing mounting pressure to adopt AI, and the firms and in-house teams that move are pulling ahead fast,” an Anthropic spokesperson said. “Claude is making a deeper push into knowledge work, with the legal sector emerging as one of its most significant and fastest-growing industries.”
The expansion arrives against a backdrop of well-documented AI failures in legal settings. Lawyers have been sanctioned for submitting AI-generated filings containing errors and fabricated citations. Last year, California issued a fine against an attorney who used ChatGPT to draft an appeal containing fake quotes, and federal judges drew Congressional scrutiny after using AI to help draft rulings. Courts have also reported being overwhelmed by a surge in poorly reasoned AI-generated lawsuits.
Source: TechCrunch