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license: apache-2.0
language:
- en
tags:
- agent-traces
- llm-evaluation
- hallucination
- qwen
- opencode
- tool-use
- opencode-go
- qwen3.8-flash
pretty_name: Opencode Traces
size_categories:
- n<1K
---
# Opencode Traces
A collection of redacted [opencode](https://opencode.ai) session traces, published as raw data for studying agent behavior, tool-use patterns, and model anomalies.
## File naming convention
Each trace is published as a **pair** of files:
| Suffix | Format | Description |
|---|---|---|
| `.redacted.md` | Markdown | Human-readable transcript: messages, reasoning, tool calls, outputs |
| `.redacted.jsonl` | JSONL | Raw session export (one JSON object per message, Opencode native format) |
Both files share the same base name: `session_<session-id>.redacted.<ext>`
All traces are **redacted**: hostnames, IPs, tokens, presigned-URL credentials, and passwords are replaced with `REDACTED`. No real secrets are present.
## Traces
### 1. `ses_f850ff37effecxAxwdMVLnS5FR` — OSS bucket hallucination
- **Files**: `session_ses_f850ff37effecxAxwdMVLnS5FR.redacted.{md,jsonl}`
- **Model**: `opencode-go/qwen3.8-flash` (Qwen 3.8 Flash via Opencode Go)
- **Agent**: `build`
- **Task**: Deploy frappe/helpdesk with Docker & Tailscale HTTPS
- **Anomaly**: The model fabricated a presigned Alibaba OSS URL (`routify-file-proxy-sg.oss-ap-southeast-1.aliyuncs.com`) and attempted to `webfetch` it mid-task. Nothing in the context mentioned Routify, OSS, or object storage — a pure hallucination of a storage bucket endpoint.
- **Session**: 57 messages, 235 parts, 2026-09-07 08:15–08:52 UTC
<details>
<summary>Hallucinated tool call (message 18, 08:19:02Z)</summary>
```json
{
"url": "https://routify-file-proxy-sg.oss-ap-southeast-1.aliyuncs.com/REDACTED?Expires=REDACTED&OSSAccessKeyId=REDACTED&Signature=REDACTED"
}
```
Result: `403 Forbidden`
</details>
## Use cases
- Studying hallucination patterns in tool-use agents
- Evaluating model reliability on multi-step DevOps tasks
- Benchmarking fabrication of external resource URLs (storage buckets, presigned URLs)
- Regression testing for opencode / Opencode Go model routing
## License
Apache 2.0
|