MCP and AI agents

I love the Fibery MCP connector. I am using it like this:

  • I use Fibery as an ordinary interactive user
  • Three user accounts, Peter, Claude, Codex
  • Claude Code & Chat GPT Codex integrated in VS Code
  • I assign stories and bugs to the three users
  • I instruct Code and Codex to work on their assigned stories
  • Anyone can update and re-assign stories

This is all good, but I am running into two issues:

  1. Code and Codex cannot add comments to stories or bugs. Is this a legitimate limitation, or something else?
  2. I would like Code and Codex to authenticate through MCP independently, using their user accounts. This way, the Activity Log would accurately reflect who made which changes in Fibery. When I tried this, the MCP connection stopped working.

I am currently a free user. In my old job, we had 20+ premium seats. I am reaching the point where I should upgrade to the €20/month plan. Do I need to buy seats for the agent users and mee too? That would be €60/month - a bit pricy for me.

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So far MCP has not tools to create comments, it will be added soon

Could you explain it deeper? Do you use separate users for that? It is not clear.

Currently MCP works under existing user. In some future we do want to introduce Agents users, but right now there are no other ways. So if you really need to separate your work from agents work, purchasing additional users is the only way. You can try to experiment with Guests, but they are quite limited.

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Note: you might be able to add user accounts specifically for AI MCP connections and still fall within the limits of the free plan

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Thank you for replying. I made three users:

  1. “Codex”, blahblahblah@gmail.com+codex.com (real email addresses)
  2. “Claude”, blahblahblah@gmail.com+claude.com
  3. “Peter”, my email address

I log in to Fibery in the browser with the “Peter” account. I connect to Fibery using the “Codex” user through MCP from VS Code. This causes problems. If I use the same email for both, there are no problems.

The MCP connection gets corrupted somehow, and the AI agent can’t read or make changes in Fibery. I have to delete the connection and set it up again. That doesn’t always work, and sometimes I can only access a small subset of the MCP interface.

I also see problems if I try to authenticate with Code, and Codex at the same time. Same or different emails.

It seems like there is only one authentication on the system, and trying to have two separate ones causes problems.

I hope that’s more clear. LMK if I can clarify further. Thank you.

Hello.

Unfortunately I wasn’t able to reproduce the issue.

I did exactly like you’ve described. Installed codex, I have claude code running.

I authenticated with one User to the same Fibery workspace via codex and claude-code.

Was able to work with Fibery mcp in both tools in parallel.

Then I’ve authenticated 2 different fibery users in codex and claude-code. Same thing, all works as expected.

Thank you. I will retest here, and let you know my results.

Add comment tool added to MCP in latest release May 14, 2026 / Bullet and checklist improvements, MCP Server improvements