4chems Platform MCP

Official MCP server for the 4chems EU-hosted regulatory platform, enabling AI agents to manage tenant onboarding, account registration, billing, and service administration for IUCLID, CHESAR, and QSAR Toolbox without exposing dossier data.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-18Operated by 4chems

MCP endpoint (Streamable HTTP)

https://mcp.4chems.com/mcp

Vendor documentation

What you can do with it

Register new accounts and verify device login
Manage tenant members, consents, and service assignments
Submit inquiries and check onboarding requirements
Handle billing and invitation workflows

Tools advertised by the last live check:

get_catalog_templates
list_consents
record_consent
start_inquiry
verify_inquiry
accept_invitation
get_my_access
create_access_request
approve_access_request
dismiss_access_request
withdraw_access_request
enrich_domain
start_device_login
verify_device_login
start_account_registration
verify_account_registration
start_registration
verify_registration
get_onboarding_route
create_self_service_tenant
get_my_operation
get_legal_entity_types
get_billing
complete_billing
list_invitations
create_invitation
revoke_invitation
list_members
grant_assignment
revoke_assignment
list_tenant_services
add_tenant_service

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http 4chems-platform-mcp https://mcp.4chems.com/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add 4chems-platform-mcp --url https://mcp.4chems.com/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable 4chems-platform-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "4chems-platform-mcp": {
      "url": "https://mcp.4chems.com/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "4chems-platform-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.4chems.com/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start 4chems-platform-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "4chems-platform-mcp": {
      "type": "http",
      "url": "https://mcp.4chems.com/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http 4chems-platform-mcp https://mcp.4chems.com/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "4chems-platform-mcp": {
      "url": "https://mcp.4chems.com/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "4chems-platform-mcp": {
      "serverUrl": "https://mcp.4chems.com/mcp"
    }
  }
}

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