DingDuff
Free legal research tool built by attorneys for attorneys; connects Claude to US legal authority (statutes, rules of procedure, case law, court filings), plus a citation-verification system.
- Category
- Operations
- Primary Subcategory
- Legal Research Engines
View in the Claude registryIntegration details
Description
DingDuff gives Claude the ability to directly access the law without going through another AI system. Once connected to DingDuff, Claude can: • Browse, search, view, and download state and federal statutes, regulations, and court rules such as rules of civil procedure, rules of evidence, etc. • Search, view, and download federal and state court opinions using boolean operators, fielded searches, phrase matching, and citation-network lookup ("show every case citing X"). • Pull PACER dockets and documents through the CourtListener RECAP archive. • Run a deterministic citation review on a drafted memo or brief with the source passage highlighted alongside the cite for easy human verification. Quotes are checked against the cited authority programmatically (not by AI), preventing hallucinated citations from getting through. DingDuff was built by attorneys who use it daily, making it a tool that does what attorneys actually need and a tool that attorneys actually like to use.
- Integration type
- Connector
- Verification status
Community connector- Platform
- Claude
- Primary Subcategory
- Legal Research Engines
- Secondary Subcategories
- None listed
- Brand
- DingDuff
- Access
- Account required
- First tracked
- 2026-06-26
- Tool count
- 25
- Geography
- US
The Primary Subcategory used for this profile’s headline score.
Other Subcategories where the Integration is listed.
Claude Discoverability Score
Claude Connector discovery is coming soon
Community Connectors only appear in Claude’s registry.Once verified, organic discovery begins and we can calculate your score.Read more about Community Connector verification.
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What discovery looks like
Claude can surface verified Connectors when they match a user’s Prompt.
How Claude Connector discovery works
Your Connector will compete to appear for users’ Prompts once Claude verifies it
Competing in Claude Legal Research Engines
View Category
25 tools agents can invoke
How do I improve a Community connector's discoverability?
The levers are the listing surface agents actually read: names, descriptions, keywords, tool metadata, and registry health. Which lever matters depends on where discovery breaks, which is what continuous measurement shows.
What are DingDuff alternatives on Claude?
As of 2026-09-28, DingDuff competes with CourtListener, Midpage Legal Research, Lawstronaut, Descrybe Legal Engine, Paxton Legal Research, CoCounsel Legal, Trellis, Bloomberg Law, Courtroom5, Jus AI by Jus Mundi (Light Mode), Legal Brain Agent, Legal Data Hunter, Vasara, Alizé, argüman.ai, BIA Edge, Bizora Tax Research, Citare IA, CiteLaw, Courrt, Deley - Investigación legal de Ecuador, DirectCase Legal Search, Docket Navigator, DocketBird, ElevenFlo, eulaw.ai, EULEX.AI European Law MCP, FedMCP, Goalie Trademark Search, GovQuery, JUDY, Juridata, Jusratio, JusticeNow Library, Laki.ai, lawdiver.com, Lawgical.vn, Leagle - Turkish Law, LegalAtlas, LegalInk AI — Inka, Lexistmo, LexVira, LibreJustice, mcp.iajus.com.br, Nevo, Policy Doctor, Simpliciter, TaxGraph, TaxMCP, TribuJus, Trifolia, truecite.com.au, TrustFoundry Legal Search and Reasoning, USLege, Vaquill AI Primary Law. in Claude Legal Research Engines, ranked by public Discoverability Score.
Where is this profile measured?
This profile uses the geography attached to the latest public registry snapshot: US. Locale tags are intentionally omitted.