a207-lis-mcp

a207-lis-mcp

MCP server for pediatric CKD lab data, providing lab panel queries, critical value alerts, trend analysis, and write operations with role-based permissions.

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README

a207-lis-mcp —— M2 检验数据

CKDNutri / NFYY038 Wave 1 交付包。为儿童慢性肾脏病场景提供检验面板查询、危急值独立通道、单指标趋势与新增采样写入。

技术栈:FastMCP ≥2.0 + pydantic ≥2 + Python 3.13,stdio 传输。

铁律遵循

  • 不 import 任何其他 a207-* 包,不向其他 MCP 发起调用。所有入参为显式字段,由调度 Agent 从 PCP 取值后传入。
  • core.py / models.py / views.py / store.py / reference.py 不依赖 fastmcp,未安装 fastmcp 也能跑 tests/test_tools.py
  • 单位与 contracts/pcp-schema.json 锁死:Scr μmol/L,K/P/Ca/Na/Cl/BUN/HCO3 mmol/L,Alb/Hb g/L,iPTH pg/mL,UA μmol/L,eGFR mL/min/1.73m²。写入口对 mg/dL、g/dL 口径做归一化。
  • 写操作带 caller 校验,越权返回 {"ok": false, "error": "FORBIDDEN", "detail": "..."}

权限(需求文档 §7 权限矩阵)

caller get_labs get_critical_values get_lab_trend upsert_lab_result
doctor_assistant 全量 允许 允许 允许写
risk_warning 全量 允许 允许 拒绝
parent_assistant 受限视图 拒绝 拒绝 拒绝
nutritionist 拒绝 拒绝 拒绝 拒绝
child_companion 拒绝 拒绝 拒绝 拒绝
orchestrator 拒绝 拒绝 拒绝 拒绝

家长受限视图只返回最近一次 K / P / 白蛋白 / 血红蛋白的趋势方向(↑ ↓ →)是否在儿童参考区间内危急标注,不返回任何原始数值。这是"能不能吃西瓜"类问题能个体化回答、又不越界暴露化验单的前提。

工具

get_labs(patient_id, caller="doctor_assistant")

按报告日期升序返回全部检验面板。每个指标附单位、儿童年龄别参考区间上下限、状态判定(critical_high / high / in_range / low / critical_low)。caller=parent_assistant 走受限视图。

get_critical_values(patient_id, caller="risk_warning")

危急值独立通道,扫描最近一次采样。内置阈值:K⁺ > 6.5、K⁺ < 2.8、Hb < 60、Ca < 1.60、Ca > 3.50、Na < 120、Na > 160、P > 3.20、HCO₃⁻ < 12。命中时 next_action 提示编排层走通知链路。

get_lab_trend(patient_id, analyte, caller="doctor_assistant", window_days=None)

单指标时间序列,含环比绝对差、环比百分比、最小二乘拟合的每 30 天斜率与方向。analyte 取契约字段名,如 scr_umol_Lk_mmol_Lhb_g_L

upsert_lab_result(patient_id, caller, lab, write_mode=True)

新增一条采样。写权 doctor_assistant(MX-3)。lab 走 pydantic 白名单校验,未声明字段与越界数值一律拒绝。成功返回 recommend_reevaluate: true,编排层据此强制触发风险规则重评;若新值命中危急阈值,notify_action 同时给出通知动作。

write_mode=False 为回滚模式:完成校验、单位归一化与危急值预演,但不落盘。

list_known_patients()

列出本数据集覆盖的 patient_id,供跨包联调核对。

数据

data/labs.jsondata/generate.py 以固定 seed(20260808)程序化生成,重复运行结果一致,产物随包提交。

  • 34 例患儿、105 次采样,patient_id P0001P0034,格式匹配 PCP 契约的 ^P[0-9]{4,}$
  • 覆盖分期 G2 / G3a / G3b / G4 / G5 × 透析方式 none / hemodialysis / peritoneal × 年龄带 1-3 / 4-6 / 7-12 / 13-17
  • 每例 2–4 次跨月度采样,随时间轻度进展
  • 先按分期抽取 eGFR,再用 Schwartz 床边公式反解肌酐,保证分期与肌酐互不矛盾;血钾在血透例偏高(透析前采样蓄积)、白蛋白在腹透例偏低(腹透液蛋白丢失)
  • 强制置入 3 例危急值供链路测试:P0028 K⁺ 6.9 mmol/L、P0031 Hb 55 g/L、P0023 Ca 1.52 mmol/L

写入落盘到 data/labs_store.json(基线 labs.json 保持只读)。数据目录解析顺序:环境变量 A207_LIS_DATA_DIR → 包内 data/ → 仓库根 data/

重新生成:

python data/generate.py

自测

python -m py_compile src/a207_lis_mcp/*.py
python tests/test_tools.py

31 项断言,覆盖权限矩阵、受限视图零数值泄露、危急值命中、单位归一化、白名单校验、越权无副作用、零跨包引用。写操作跑在临时目录,不污染提交产物。

启动

fastmcp dev src/a207_lis_mcp/server.py

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