rf-log-mcp
An MCP server for analyzing Robot Framework test results. It provides LLMs with tools to parse, summarize, and search through test execution logs from XML or JSON output files.
README
rf-log-mcp
用于检查 Robot Framework 结果文件的 MCP Server,面向 LLM 提供简洁证据视图。
功能概览
支持输入:
output.xml:Robot / Rebot 6.0.x / 6.1+ / 7.xoutput.json:Robot / Rebot 7.2+
暴露的 MCP 能力:
- Tools
parse_resultget_viewsearch_messages
- Resources
rf://runs/{run_id}/summaryrf://runs/{run_id}/tests/{test_id}
支持的视图:
summaryfailure_pathstep_window
关键说明
- 这个项目是 MCP stdio server
- LLM 不会直接调用 wheel
- 正确方式是:MCP 宿主启动
rf-log-mcp进程,再通过 stdio 调用工具和资源
标识设计
- 对外
run_id:整数主键 - 对内
content_hash:文件内容哈希,仅用于服务内部去重
推荐做法:
- 先调用
parse_result(path) - 保存返回的整数
run_id - 后续统一使用这个
run_id
快速开始
1. 安装依赖
uv sync
2. 直接从源码启动
uv run python -m rf_log_mcp
3. MCP 配置示例
{
"mcpServers": {
"rf-log-mcp": {
"command": "uv",
"args": ["run", "python", "-m", "rf_log_mcp"]
}
}
}
打包与安装
构建
uv build
构建后生成:
dist/rf_log_mcp-0.1.0-py3-none-any.whldist/rf_log_mcp-0.1.0.tar.gz
安装 wheel
uv pip install dist/rf_log_mcp-0.1.0-py3-none-any.whl
安装后可直接启动:
rf-log-mcp
已安装包的 MCP 配置示例
{
"mcpServers": {
"rf-log-mcp": {
"command": "rf-log-mcp",
"args": []
}
}
}
Windows 显式路径示例
{
"mcpServers": {
"rf-log-mcp": {
"command": "D:\\project\\rf_log_mcp\\.venv\\Scripts\\rf-log-mcp.exe",
"args": []
}
}
}
典型调用流程
第一步:解析结果文件
parse_result(path="tests/fixtures/single_failure_611.xml")
典型返回:
{
"ok": true,
"run_id": 1,
"source_format": "xml"
}
第二步:获取摘要
get_view(run_id=1, view="summary")
第三步:获取失败路径或检索消息
get_view(run_id=1, view="failure_path")
search_messages(run_id=1, query="timeout")
环境变量
RF_LOG_MCP_DB
用于覆盖默认 SQLite 数据库路径。
PowerShell 示例:
$env:RF_LOG_MCP_DB="D:\data\rf-log-mcp\store.sqlite3"
rf-log-mcp
MCP 配置示例:
{
"mcpServers": {
"rf-log-mcp": {
"command": "rf-log-mcp",
"args": [],
"env": {
"RF_LOG_MCP_DB": "D:\\data\\rf-log-mcp\\store.sqlite3"
}
}
}
}
本地调试
如果只想检查服务输出,不想启动 stdio 传输,可使用:
uv run python debug_service.py --fixture tests/fixtures/single_failure_611.xml --action summary
uv run python debug_service.py --fixture tests/fixtures/single_failure_72.json --action failure_path --selector s1-t2
uv run python debug_service.py --fixture tests/fixtures/errors_and_long_72.json --action search --query "collected line" --limit 2
常见问题
1. 为什么不能把 wheel 直接给 LLM?
因为 LLM 调用的是 MCP server 进程,不是 Python 包文件本身。
2. 为什么推荐用整数 run_id?
因为它更短,更适合 LLM、多轮对话和人工排查;长 hash 仅保留在内部用于去重。
3. get_view / search_messages 能传文件路径吗?
可以。
如果该文件已经被解析过,服务会先把路径转换成对应的 run_id 再查询。
但仍然推荐优先使用 parse_result() 返回的整数 run_id。
4. 什么情况下不能直接使用这个项目?
如果你的 LLM 平台:
- 不支持 MCP
- 或不支持启动本地进程
那就不能直接接入,需要额外做一层集成。
开发检查
uv run ruff check .
uv run pytest
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