Legal

Data source: GLEIF

MCP MCP Protocol

Endpoint https://context.gnist.ai/mcp/gleif/

nobloat — strip report_feedback tool URL-based auth (for clients without header support)

claude_desktop_config.json

{
  "mcpServers": {
    "gnist-gleif": {
      "url": "https://context.gnist.ai/mcp/gleif/",
      "headers": {
        "Gnist-API-Key": "YOUR_API_KEY"
      }
    }
  }
}

Shell

curl -X POST "https://context.gnist.ai/mcp/gleif/" \
  -H "Content-Type: application/json" \
  -H "Accept: application/json, text/event-stream" \
  -H "Gnist-API-Key: YOUR_API_KEY" \
  -d '{"jsonrpc": "2.0", "method": "tools/call", "id": 1, "params": {"name": "get_entity", "arguments": {"lei": "example"}}}'

API REST API

API Root https://context.gnist.ai/rest/gleif/

6 endpoints available:

GET /rest/gleif/search_entities
GET /rest/gleif/get_entity
GET /rest/gleif/get_ownership_chain
GET /rest/gleif/resolve_bic
GET /rest/gleif/resolve_isin
GET /rest/gleif/report_feedback

Shell

curl "https://context.gnist.ai/rest/gleif/get_entity?lei=example" \
  -H "Gnist-API-Key: YOUR_API_KEY"

Python

import httpx

resp = httpx.get(
    "https://context.gnist.ai/rest/gleif/get_entity",
    headers={"Gnist-API-Key": "YOUR_API_KEY"},
    params={
        "lei": "example"
},
)
print(resp.json())

OpenAPI Spec · Full API Docs

CLI Command Line

Command gc gleif

CLI documentation will be available when the GnistAI SDK is published.

Install

pip install gnistai

Available Tools (6)

search_entities

Search GLEIF for registered legal entities by name, registration number, or jurisdiction.

Parameter	Type	Required	Description
`name`	`any`	optional	Legal name or partial name to search for (e.g. "Apple Inc", "Deutsche Bank").
`registration_number`	`any`	optional	Company registration number from the national registry.
`jurisdiction`	`any`	optional	ISO 3166-1 alpha-2 country code (e.g. "US", "DE", "NO", "GB").
`status`	`any`	optional	Registration status filter — "ISSUED" (active), "LAPSED" (expired renewal), "MERGED", "RETIRED", "PENDING_TRANSFER", or "ANNULLED".
`limit`	`integer`	optional	Number of results to return (1–50, default 10). (default: 10)

get_entity

Fetch the full GLEIF record for a Legal Entity Identifier (LEI).

Parameter	Type	Required	Description
`lei`	`string`	required	The 20-character LEI code (e.g. "HWUPKR0MPOU8FGXBT394" for Apple Inc).

get_ownership_chain

Retrieve ownership chain relationships for a legal entity.

Parameter	Type	Required	Description
`lei`	`string`	required	The 20-character LEI of the entity to look up.
`direction`	`string`	optional	Which relationships to retrieve: - "direct_parent" — the entity that directly consolidates this one (default) - "ultimate_parent" — the topmost parent in the ownership chain - "children" — en... (default: "direct_parent")