PlainSite Legal and Financial Research
Research and analyze millions of court cases, legal filings, judicial opinions, attorneys, judges, companies, statutes, patents, trademarks and SEC filings with PlainSite's public-records database.
- Brand
- Unknown
- Category
- Pending
- Primary Subcategory
- Legal Research Engines
Integration details
Description
PlainSite is a legal and financial research database built from public records. This connector puts it inside Claude, so you can research litigation, lawyers, companies and the law in conversation instead of across a dozen browser tabs. What you can do: • Find cases by party, case number, citation, patent number, attorney or judge, then read the docket: parties, counsel, entries, and the text of each filing, page by page. • Search the full text of filed documents and court opinions, across PlainSite or within a single case. • Look up attorneys, law firms, judges, courts and companies: case histories, clients, judges and outside counsel, and the related dockets that carry a case from trial court through appeal. • Check every citation in a brief against PlainSite's database before you file it. • Read statutes and regulations, USPTO patent and trademark assignments, SEC filings and insider trades. Data comes from PACER, PlainSite Recycler browser plug-ins, CourtListener, state courts and agencies, the USPTO, the SEC, the IRS, and the GPO. Opinions report how much of the underlying case PlainSite holds, so Claude can tell a record PlainSite lacks from one it has. Basic searches work without an account. Other tools include a daily free allowance, then ask you to connect a free PlainSite account. PlainSite Pro adds jurisdiction filters for full-text search, unlimited document retrieval when refreshing a docket, and filings longer than 100 pages. Sealed, expunged and pardoned cases are never returned. Apart from two actions you ask for, following a case, company or tag for e-mail alerts and asking PlainSite to fetch newer filings for a docket, the connector only reads. Opening an opinion or exporting a case can also add PlainSite's topic tags to that record.
- Integration type
- Connector
- Verification status
Community connector- Platform
- Claude
- Category
- Pending
- Primary Subcategory
- Legal Research Engines
- Secondary Subcategories
- None listed
- Brand
- Unknown
- Access
- No account required
- First tracked
- 2026-09-29
- Tool count
- 33
- Geography
- US
The broad Category that contains the Primary Subcategory.
The Primary Subcategory used for this profile’s headline score.
Other Subcategories where the Integration is listed.
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 Category33 tools agents can invoke
PlainSite Legal and Financial Research FAQ
How the directory, categories and Discoverability Score work.
Read the methodologyHow 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 PlainSite Legal and Financial Research alternatives on Claude?
As of 2026-09-30, PlainSite Legal and Financial Research competes with CourtListener, Midpage Legal Research, Lawstronaut, Paxton Legal Research, Descrybe Legal Engine, 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, DingDuff, DirectCase Legal Search, Docket Navigator, DocketBird, ElevenFlo, eulaw.ai, EULEX.AI European Law MCP, FedMCP, Goalie Trademark Search, GovQuery, IPRally, JUDY, Juridata, Jusratio, JusticeNow Library, Laki.ai, lawdiver.com, Lawgical.vn, Leagle - Turkish Law, LegalAtlas, LegalInk AI — Inka, Lexistmo, LexVira, LibreJustice, Luthor, mcp.iajus.com.br, Nevo, OpenCase, 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.