Repository navigation
OpenAI-compatible tool-call stream can emit malformed JSON args (GLM-5 via NIM) #19345
Description
Reporting a cross-stack issue: with GLM-5 via NVIDIA NIM (whose model card indicates SGLang runtime), streamed tool-call arguments intermittently arrive malformed/truncated (example parser error: Expected '}' / missing closing brace), causing client tool-call failures and retries;
refs:
- [BUG] GLM-5 via NVIDIA NIM emits malformed MCP tool JSON (Expected '}') in OpenCode v1.2.6 anomalyco/opencode#13900 ,
- https://forums.developer.nvidia.com/t/nim-glm-5-malformed-tool-call-json-missing-via-openai-compatible-endpoint-opencode/360809,
- https://gist.github.com/chindris-mihai-alexandru/f3c114915f18618406030e6a2d8fa59b,
- https://build.nvidia.com/z-ai/glm5/modelcard
Reacted by YukariMindGap
Activity
LalithaMunukutla commentedon Feb 26, 2026
Hi, I’d like to work on this if it’s still open.
chindris-mihai-alexandru commentedon Feb 26, 2026
ofc! go 4 it, it's still open.
jurjevic commentedon Feb 26, 2026
if you need a tester... just reach out to me ;-)
YukariMindGap commentedon Mar 15, 2026
How's the work going?
github-actions commentedon May 15, 2026
This issue has been automatically closed due to inactivity. Please feel free to reopen it if needed.