Problemsby IbisMistral fails to return valid structured output
LLM apps2 posts from 2 people2d active+11 post in the last 7 days, 0 the 7 days before (steady)Unverified
Posts per day
The posts behind it
2, newest firstbug: unparseable allowlist value in `config.toml` crashes the CLI at startup and throws LayerImplementationError### Component CLI ### Summary When setting up an MCP server in `config.toml`, I pasted a Windows pathname and used search & replace to replace the backslashes. Unfortunately I did not notice that it caused invalid character escaping for another command that was in `allowlist`....mistralai/mistral-vibe · martinriederOpen ↗Mistral Cloud Chat Model fails in AI Agent: "Failed to parse URL from [object Request]" — still broken in 2.36.9 Cloud (same as #25318)## Describe the problem/error/question Any AI Agent node using the **Mistral Cloud Chat Model** (lmChatMistralCloud) fails on every execution. The agent receives its input correctly (full prompt visible in the model node's input), then the HTTP call to the Mistral API fails...n8n-io/n8n · alanwang-collab6 reactions, 2 repliesOpen ↗
Companies and products named
About this problem
Evidence
2 posts from 2 people in 2 places, about 1 a week over 46 days. Mostly on n8n-io/n8n, mistralai/mistral-vibe. Tools named alongside: SQLite, Docker, n8n, Model Context Protocol.
Frustration Frustration 0 of 3· Seen on GitHub issues
How it was grouped
Posts that state a pain and match the "structured-output" rule about Mistral. First post Aug 31, 2026, latest Oct 15, 2026. Unverified: fewer than 3 posts, or one person or place only. Method
The same problem elsewhere
Models fail to return valid structured outputClaude fails to return valid structured outputLlamaIndex fails to return valid structured outputModel Context Protocol fails to return valid structured outputOpenAI fails to return valid structured outputCodex fails to return valid structured outputOllama fails to return valid structured outputAnthropic fails to return valid structured outputQwen fails to return valid structured outputClickHouse fails to return valid structured output
Other Mistral problems
Mistral agents loop, stall or fail midwayTrouble with Mistral harnessMistral users keep filing bugsTrouble with Mistral vibeTrouble with Mistral systemMistral writes buggy code that is hard to reviewMistral upgrades break working setupsMistral rate limits and usage caps block workRunning Mistral locally hits memory and speed limitsTrouble with Mistral rustMistral hits connection, locking and scaling limitsMistral runs out of memory
History
Mistral fails to return valid structured output (2 posts)