Legal research service
## Westlaw MCP Server: Precision Legal Research for Developers The **Westlaw MCP Server** integrates Thomson Reuters' premier legal research platform directly into Google Antigravity, enabling AI assistants to access comprehensive legal databases, analyze case law, and research regulations with industry-leading precision. This powerful integration brings decades of curated legal content and advanced analytics to your development workflow. ### Why Westlaw MCP? - **Editorial Enhancement**: Access cases, statutes, and regulations enhanced with West's proprietary Key Number System and headnotes - **KeyCite Verification**: Verify case status, find negative treatment, and trace the history of legal authorities instantly - **Analytical Tools**: Leverage litigation analytics, judge profiles, and outcome predictions for data-driven legal insights - **Global Coverage**: Research legal issues across multiple jurisdictions including international and comparative law resources - **Integrated Practice Tools**: Access forms, checklists, and practice guides alongside primary legal materials ### Key Features #### 1. Legal Research ```python from anthropic import Anthropic client = Anthropic() response = client.messages.create( model="claude-sonnet-4-20250514", max_tokens=1024, messages=[{ "role": "user", "content": "Search Westlaw for recent cases interpreting CCPA data deletion requirements for software providers" }], tools=[{ "name": "westlaw_search", "description": "Search Westlaw legal databases" }] ) ``` #### 2. KeyCite Analysis ```python # Verify case authority response = client.messages.create( model="claude-sonnet-4-20250514", max_tokens=1024, messages=[{ "role": "user", "content": "KeyCite this case to check its current status and find all subsequent citing decisions" }], tools=[{"name": "westlaw_keycite", "description": "Verify citations with KeyCite"}] ) ``` #### 3. Regulatory Research ```python # Research regulations and administrative materials response = client.messages.create( model="claude-sonnet-4-20250514", max_tokens=1024, messages=[{ "role": "user", "content": "Find FTC regulations and guidance on algorithmic decision-making and automated systems" }], tools=[{"name": "westlaw_regulations", "description": "Search regulatory databases"}] ) ``` #### 4. Litigation Analytics ```python # Access analytical insights response = client.messages.create( model="claude-sonnet-4-20250514", max_tokens=1024, messages=[{ "role": "user", "content": "Analyze patent litigation outcomes in the Eastern District of Texas over the past 3 years" }], tools=[{"name": "westlaw_analytics", "description": "Access litigation analytics"}] ) ``` ### Configuration ```json { "mcpServers": { "westlaw": { "command": "npx", "args": ["-y", "@anthropic/mcp-westlaw"], "env": { "WESTLAW_CLIENT_ID": "your-client-id", "WESTLAW_CLIENT_SECRET": "your-client-secret" } } } } ``` ### Use Cases **Terms of Service Development**: Research enforceability of contract provisions, arbitration clauses, and limitation of liability terms across jurisdictions. **Open Source Compliance**: Investigate license interpretation cases, copyright issues, and contributor agreement precedents for OSS projects. **Privacy Regulation Tracking**: Monitor evolving privacy laws, enforcement actions, and judicial interpretations affecting data handling practices. **Employment Law Research**: Research non-compete enforceability, IP assignment provisions, and worker classification issues for tech companies. The Westlaw MCP Server delivers premium legal research capabilities directly to developers, enabling legally-informed software development with authoritative, editorially-enhanced content.
{
"mcpServers": {
"westlaw": {
"mcpServers": {
"westlaw": {
"env": {
"WESTLAW_CLIENT_ID": "your-client-id",
"WESTLAW_CLIENT_SECRET": "your-secret"
},
"args": [
"-y",
"westlaw-mcp-server"
],
"command": "npx"
}
}
}
}
}