Legal Data Hunter for AI agents

Legal Data Hunter gives structured access to legal filings and regulatory sources across countries for research and compliance teams tracking cross-border requirements. Connect it once through Arc0, and your agent, or Claude, ChatGPT and Cursor, can use it through one MCP endpoint, limited to what each user approved.

Connect Legal Data Hunter See the 7 actions ↓

Developer toolsOAuth 2.0 (MCP)MCP + REST

AUDIT LOG · LEGAL DATA HUNTERPOLICY: acme-support

09:41:07 · claude · u_8f2read

legal_data_hunter.search

Search✓ allowed · 212ms

09:41:08 · claude · u_8f2read

legal_data_hunter.get_filters

Get filters✓ allowed · 164ms

09:41:09 · claude · u_8f2write

legal_data_hunter.discover_sources

Discover sources✓ approved · approved by user

EVERY LEGAL DATA HUNTER CALL, ON THE RECORD

01 · USE CASES

What agents do in Legal Data Hunter.

Search legal sources by topic

Search available legal sources for filings relevant to a research question, read-only.

Pull a specific legal document

Retrieve the full text of a document identified from a prior search.

Check which countries are covered

Discover which countries and sources are supported before scoping a research task.

02 · ACTIONS

7 Legal Data Hunter actions, graded by risk.

Every Legal Data Hunter action is tagged read, write or destructive, so one policy covers the whole app and new actions inherit the right default.

read

Look things up. Allowed by default.

legal_data_hunter.get_filters
Get filters
legal_data_hunter.get_document
Get document
legal_data_hunter.search
Search
legal_data_hunter.resolve_reference
Resolve reference

write

Create and change things. Allow, or ask the user first.

legal_data_hunter.discover_sources
Discover sources
legal_data_hunter.discover_countries
Discover countries
legal_data_hunter.report_source_issue
Report source issue

destructive

Delete, cancel or archive. Ask first, or deny outright.

No destructive actions.

03 · HOW IT WORKS

Legal Data Hunter in three steps.

01Your users connect Legal Data HunterThey sign in to Legal Data Hunter on Arc0 Connect, under your brand, and approve the access you ask for.
02You set the rulesReads run, and writes like “discover sources” can wait for the user to approve.
03Any agent can actYour agent calls Legal Data Hunter through the Arc0 SDK or MCP, and so can Claude, ChatGPT and Cursor. Every call lands on the audit log.

POLICY.TS

await arc0.policies.set('legal_data_hunter', {
  read: 'allow',
  write: 'ask',        // discover_sources
  destructive: 'deny',  
})

# Claude Code: the same connection, one URL
$ claude mcp add --transport http arc0 \
    https://mcp.arc0.ai/u/u_8f2

04 · AUTH AND DATA

How Legal Data Hunter connects.

Legal Data Hunter runs its own MCP server behind OAuth. Arc0 registers the client, users approve access on Arc0 Connect, and your agent reaches Legal Data Hunter through the same endpoint, policies and audit log as every other app.

The same Legal Data Hunter connection serves your agent over MCP and your own backend over REST and the proxy, so a user connects once. How Arc0 handles credentials →

AUTH: OAuth 2.0 (MCP)
CREDENTIALS: Per-tenant encrypted vault
MODEL SEES: Results only, never credentials
AUDIT LOG: Every call, on every plan

05 · WORKS WITH

Use Legal Data Hunter from any agent.

Claude

ChatGPT

Cursor

Codex

VS Code

OpenAI Agents SDK

Claude Agent SDK

Vercel AI SDK

Mastra

LangGraph

06 · RELATED

More developer tools apps.

Addressfinder17 actions

Addresszen2 actions

Alchemy36 actions

ALL DEVELOPER TOOLS APPS →

07 · FAQ

Legal Data Hunter and Arc0, answered.

Q01

Can I use Legal Data Hunter with Claude, ChatGPT or Cursor?

Yes. Connect Legal Data Hunter to Arc0 once, then add your Arc0 MCP URL to Claude, ChatGPT, Cursor, Claude Code or any other remote-MCP client. Each assistant only gets the Legal Data Hunter actions you allow.

Q02

How do users connect Legal Data Hunter?

Q03

Which Legal Data Hunter actions can my agent take?

7 in total: 4 read, 3 write and 0 destructive, such as “discover sources”. Your policies decide which of them each agent may call.

Q04

Can I make my agent read-only in Legal Data Hunter?

Yes. Allow read actions and deny writes in the Legal Data Hunter policy. Your agent can still look things up, and any write it attempts is blocked and logged.

Q05

Can my own backend call Legal Data Hunter too?

Yes. The same Legal Data Hunter connection is available over REST and through the Arc0 proxy, so your product and your agent share one connection per user.

Get started

Plug Legal Data Hunter into your agent.

Your users connect Legal Data Hunter once, under your brand. Your agent gets 7 actions behind your policies, with every call on the record.

Connect Legal Data Hunter Browse all apps →

Free to build · MCP + REST · Audit log on every plan