© 2026 Hedgehog Software, LLC
Twitter
GitHub
Discord
System
Light
Dark
More
Communities
Docs
About
Terms
Privacy
Search
Star
Feedback
Setup for Free
mastracode: ✗ Observation failed: Bad Request - Mastra
M
Mastra
•
2w ago
•
11 replies
dino
mastracode: ✗ Observation failed: Bad Request
Agent
I get this error at every tool call when using GPT 5
.3 Codex Spark with the Codex Pro Subscription
.
Same with
Buffering observation failed: Bad Request
Buffering observation failed: Bad Request
Mastra
Join
The TypeScript Agent FrameworkFrom the team that brought you Gatsby: prototype and productionize AI features with a modern JavaScript stack.
5,321
Members
View on Discord
Resources
ModelContextProtocol
ModelContextProtocol
MCP Server
Recent Announcements
Similar Threads
Was this page helpful?
Yes
No
Similar Threads
Error invoking mastracode
M
Mastra / help-bugs-problems
4h ago
Reasoning effort in mastracode
M
Mastra / help-bugs-problems
6d ago
mastracode Agent incomplete tools
M
Mastra / help-bugs-problems
2w ago
mastracode using wrong env for zai-coding-plan
M
Mastra / help-bugs-problems
3w ago
