Arlet

Connect GLEIF (LEI) to ChatGPT

Query GLEIF (LEI) directly from ChatGPT. Arlet links the two through one MCP connection and takes care of API keys.

Connects your AI client to the GLEIF API v1 (the operator of the global LEI system).

Tools:

  • search_lei_records: full-text search by company name. Returns LEI, legal name, jurisdiction and status.
  • get_lei_record: one entity record by its 20-character LEI.
  • get_lei_ownership: the reported direct parent and ultimate parent of an entity. Note that a missing parent means none is *reported* to GLEIF, not necessarily that none exists.

LEI is the cross-reference hub for other corporate data sources (it also carries BIC and other identifier mappings), which makes this server useful together with jurisdiction-specific corporate registries.

How to connect GLEIF (LEI) to ChatGPT

  1. 1

    In the Arlet dashboard, open Data tools, find GLEIF (LEI) and switch it on. No API key setup is needed.

  2. 2

    In ChatGPT, open Settings β†’ Plugins β†’ Browse plugins and click + at the top right.

  3. 3

    In the New Plugin form, enter "Arlet" as the Name, choose Server URL for Connection and enter https://mcp.arlet.dev/mcp/, pick OAuth for Authentication, check the risk acknowledgement and click Create.

  4. 4

    Open the Arlet plugin you created, click Sign in with Arlet, sign in with Google and click Allow. The connection is complete.

If the Plugins screen is not shown, turn on Developer mode under Settings β†’ Security and login.

Use GLEIF (LEI) with other AI clients