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Trouble with Mistral subagent

1 post from 1 person1d activeNew, +1 this weekunverified

Posts per day

Posts per day1 posts, Nov 6 to Nov 11

The posts behind it

GitHub issuesmistralai/mistral-vibe · ummon-vNov 6

bug: agents.spawn intermittently called without `message` (subagent spec passed verbatim), fails with '"message" is a required property'

...contains name + instructions but no message, and is rejected. Retrying usually works. Failing payload: Expected shape per harness/core/src/core/features/subagents/tools.rs: The failure looks like the model conflating the subagent config shape with the spawn arguments shape,...

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Companies and products named

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About this problem

Evidence

1 post from 1 person in 1 place. Mostly on mistralai/mistral-vibe. Tools named alongside: Observe.

Frustration Frustration 0 of 3· Seen on GitHub issues

How it was grouped

Posts about Mistral with no known issue, sharing the word "subagent". First post Nov 6, 2026, latest Nov 6, 2026. Unverified: fewer than 3 posts, or one person or place only. Method

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History

First seen with 1 post; the top post now: "agents.spawn intermittently called without `message` (subagent spec passed verbatim), fails with 'message is".

Nov 10, 2026