Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add agents/xerrors/yuxi/agent-evaluationgit clone --depth 1 https://github.com/xerrors/YuxiWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00000 | $0.01028 |
| Opus 5 | $0.00000 | $0.00514 |
| Sonnet 5 | $0.00000 | $0.00206 |
| Haiku 4.5 | $0.00000 | $0.00103 |
Grade A, and why
agent-evaluation scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 84 lines — stays where its author put it; the contents beside it link to each section on GitHub.
评估智能体
智能体评估用 Langfuse Dataset 保存一组固定任务,再让 Yuxi 按真实的 AgentRun、worker 和工具链路逐条执行。它适合比较一个智能体在研究、编程、文件处理或多步骤任务上的表现。
本页不介绍知识库的 recall@K 和答案指标;那部分见知识库评估。
需要准备什么
-
Yuxi 已配置 Langfuse tracing,API/worker 环境包含:
LANGFUSE_PUBLIC_KEY=<your-public-key> LANGFUSE_SECRET_KEY=<your-secret-key> LANGFUSE_BASE_URL=https://cloud.langfuse.com -
本机运行 CLI 时也能读取同一 Langfuse 项目的变量。CLI 会直接读取 Dataset 并创建 experiment。
-
已安装
yuxi-cli,并登录目标实例:yuxi remote add local http://localhost:5173 yuxi login --browserCI 或没有浏览器时,可以使用
yuxi login --api-key "$YUXI_API_KEY"。 -
目标智能体已经存在,登录用户有权访问它。命令使用 Agent slug,例如
default-chatbot。
准备 Dataset
在 Langfuse 中创建 Dataset,并为每个 item 的 input 提供任务文本:
{"input":"请整理这份资料,并列出三个需要核实的事实。"}
也兼容把任务放在 query、question 或 prompt 字段中。expected_output 可以保存参考答案,具体评分规则由 Langfuse evaluator 或人工评审负责。
Yuxi 不负责创建或上传 Dataset。先在 Langfuse 中检查任务文本、参考输出和数据集版本,再运行实验。
运行实验
yuxi agent eval \
--dataset-name demo-dataset \
--agent-slug default-chatbot \
--experiment-name default-chatbot-demo \
--max-concurrency 1 \
--timeout-seconds 900
CLI 对每条 item:
- 从 Dataset 读取任务文本;
- 调用 Yuxi 的
POST /api/agent-invocation/eval/runs; - 由 Yuxi 创建临时 Conversation 和 AgentRun;
- 通过 worker 执行真实智能体;
- 等待 Run 进入终态;
- 把最终输出写回 Langfuse experiment item。
--max-concurrency 是 Dataset 实验的并发数。先从 1 开始,再根据模型服务、worker 和沙盒容量提高。--timeout-seconds 是每条样例等待 Yuxi 结果的上限;超时会报告当前运行状态,不应把它当作成功。
查看结果
实验完成后,在 Langfuse Dataset 的 experiment 中查看每条 item 的最终输出。Yuxi 会在本地运行上下文和 trace 中保存以下标记,便于筛选:
source=agent_evaluation
evaluation_dataset_name=<dataset-name>
evaluation_dataset_item_id=<item-id>
evaluation_experiment_name=<experiment-name>
先比较同一数据集的输出,再按自己的评估规则打分。一次实验的输出只代表当时的模型、Agent 配置、工具、知识库和外部服务状态;改变这些条件后,应创建新的 experiment 名称。
排查失败
- 没有 experiment:检查 CLI 的 Langfuse 公钥、密钥、地址和 Dataset 名称。
- experiment 有 item 但 Yuxi 失败:检查 CLI 登录的 API Key、Agent slug、
api-dev和worker-dev日志。 - Trace 缺失:检查 API/worker 是否读取到 Langfuse 配置;Yuxi 业务结果仍以 PostgreSQL 的 Run 和消息为准。
- 大量超时:降低
--max-concurrency,检查模型响应时间、worker 健康状态和沙盒创建耗时。 - 实验部分成功:不要只看命令退出前的汇总,回到 Langfuse 检查每条 item 是否都有结果;CLI 会在成功写入数量与 Dataset 总数不一致时报告错误。
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 84 lines · 0 tokens per session scan A 1a48c5f30e85
agent-evaluation is an agent published in the GitHub repository xerrors/Yuxi (6,591 stars, last pushed 2d ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 1,028 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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