MCP Server

Zei World MCP

Explore ESG & CSR company data from Zei World directly inside ChatGPT, Claude, or any MCP-compatible client.

Endpoint

https://zei-world-mcp.vercel.app/mcp

Connect from ChatGPT

Requires ChatGPT Pro, Team, Enterprise, or Edu.

Open ChatGPT and go to Settings → Apps
Click New App (or the + button)
Fill in:
• Name: Zei World
• Description: ESG/CSR company data from Zei World
• MCP Server URL: paste the endpoint URL above
• Authentication: No Auth
Check "I understand and want to continue" and click Create
In a new chat, click the connectors icon in the composer and enable Zei World

Connect from Claude Desktop

Open your Claude Desktop config file:
~/.claude/claude_desktop_config.json (macOS/Linux) or
%APPDATA%\Claude\claude_desktop_config.json (Windows)
Add the following to "mcpServers":
{ "zei-world": { "type": "url", "url": "https://zei-world-mcp.vercel.app/mcp" } }
Restart Claude Desktop

Available tools

list_sectorsBrowse all ESG sectors

list_activitiesSub-categories within a sector

list_companies_by_activityRanked companies in an activity

search_companyFind a company by name

get_company_profileE/S/G scores & classifications

get_company_criteriaDetailed criteria per category

compare_companiesSide-by-side comparison (2-5)

get_activity_rankingFull ranking within an activity

Try asking

• "What's the ESG profile of Comme Avant?"
• "Compare Hopaal and Balzac Paris"
• "Who are the top-ranked eco-friendly banks?"
• "How does Les 2 Marmottes score on environmental criteria?"