---
description: You can now use an Access service token to connect autonomous agents and bots to an MCP server portal with full access to upstream MCP servers.
title: Service token support for MCP server portals
image: https://developers.cloudflare.com/changelog/post/2026-06-26-mcp-portal-service-tokens/og.png?v=5d9b6fc556a9d133
---

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June 26, 2026

## Service token support for MCP server portals

[Cloudflare One](https://developers.cloudflare.com/cloudflare-one/) [Access](https://developers.cloudflare.com/cloudflare-one/access-controls/policies/)

Copy as Markdown| [View as Markdown](https://developers.cloudflare.com/changelog/post/2026-06-26-mcp-portal-service-tokens/index.md)| [Agent setup](https://developers.cloudflare.com/agent-setup/)

You can now connect autonomous agents and bots to an [MCP server portal](https://developers.cloudflare.com/cloudflare-one/access-controls/ai-controls/mcp-portals/) using an [Access service token](https://developers.cloudflare.com/cloudflare-one/access-controls/service-credentials/service-tokens/). Service token sessions can reach upstream MCP servers through the portal without a browser-based OAuth flow.

To set this up:

- Add a [Service Auth policy](https://developers.cloudflare.com/cloudflare-one/access-controls/policies/#service-auth) that matches your service token to the portal's Access application.
- Add a Service Auth policy that matches the same token to each linked MCP server's Access application.
- Turn **Require user auth** off ( `on_behalf: false`) for each linked server so the portal uses the admin credential instead of a per-user OAuth grant.

The bot connects with `CF-Access-Client-Id` and `CF-Access-Client-Secret` headers and sees the tools from every linked server it is authorized for. Servers that still require per-user OAuth are excluded from service token sessions because a service token cannot complete a per-user OAuth grant.

For step-by-step setup, refer to [Connect with a service token](https://developers.cloudflare.com/cloudflare-one/access-controls/ai-controls/mcp-portals/#connect-with-a-service-token).

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