precision-medicine-mcp: Instructions file for Claude Code

CLAUDE.md

precision-medicine-mcp CLAUDE.md is an instructions file for Claude Code from lynnlangit/precision-medicine-mcp. It costs 1,744 tokens per session, scanned A, original, Apache-2.0.

Project instructions for a precision-medicine MCP platform that provides bioinformatics and clinical-risk tools through AI assistants. Precision medicine uses patient and biological data to guide health analysis or treatment decisions.

In plain words
What is it for?
They are for developing the platform, managing work across sessions, and completing the required add, commit, and push steps.
Why use it?
They give agents the project's context, repository structure, session rules, and required Git workflow.

Instructions file for Claude Code

Written for Claude Code: the file is CLAUDE.md. Also seen: mentions CLAUDE.md; mentions Claude Code.

This is lynnlangit/precision-medicine-mcp's own configuration. It tells Claude Code how to work on precision-medicine-mcp itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything precision-medicine-mcp configures →

Reuse

Borrowing it

Nothing to install: this file belongs to lynnlangit/precision-medicine-mcp. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/lynnlangit/precision-medicine-mcp/main/CLAUDE.md
Clone the repo
git clone --depth 1 https://github.com/lynnlangit/precision-medicine-mcp

Made for: Claude Code.

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Per session 1,744 This file is loaded in full into every session.
When invoked 1,744 The same file — it is already loaded in full.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
Origin original No closer match found in the catalogue.
Token cost

What 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.

ModelPer sessionOnce invoked
Fable 5.1 $0.01744 $0.01744
Opus 5.5 $0.00698 $0.00698
Sonnet 5.5 $0.00349 $0.00349
Haiku 4.5 $0.00174 $0.00174

Measured 2mo ago against content hash ff503d7518ea, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

precision-medicine-mcp CLAUDE.md 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 2mo 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.

CLAUDE.md · 138 lines

How it starts

The opening of the file, as written. The whole thing — 138 lines — stays where its author put it; the contents beside it link to each section on GitHub.

CLAUDE.md — Project Context for Claude Code

Git Workflow

When committing and pushing changes, always complete the full git add/commit/push cycle before reporting task completion. If a usage limit is approaching, prioritize finishing the commit/push over starting new work.

Session Management

When rate limits or usage limits are hit mid-task, save progress notes in a scratch file (e.g., .claude/progress.md) listing completed steps and remaining work so the next session can resume efficiently.

What This Project Is

Precision Medicine MCP Platform — an AI-orchestrated system for precision medicine analysis across oncology and preventive health. It provides specialized MCP (Model Context Protocol) servers that expose bioinformatics and clinical risk tools via natural language through Claude or Gemini. See Server Registry for current server and tool counts.

Validated use cases (three synthetic patients, all live e2e tested):

  • PAT001 (PAT001-OVC-2025) — Stage IV HGSOC; 3 investigational treatment hypotheses surfaced
  • PAT002 (PAT002-BC-2026) — ER+/HER2− breast cancer; cross-cancer architecture validation
  • PAT003 (PAT003-CVD-2026) — Preventive cardiovascular health, 67F post-menopausal; 3 evidence gaps identified (Lp(a), APOE, CAC score) missed by standard lipid panel and Helix Tier 1 genetic screen

Repository Structure

precision-medicine-mcp/
├── servers/                    # MCP servers (Python, FastMCP) — see server-registry.md for tool counts
│   ├── mcp-fgbio/             # Genomic reference data
│   ├── mcp-multiomics/        # RNA/Protein/Phospho integration
│   ├── mcp-spatialtools/      # Spatial transcriptomics
│   ├── mcp-epic/              # Epic FHIR integration (local-only)
│   ├── mcp-mockepic/          # Synthetic EHR for demos
│   ├── mcp-perturbation/      # Perturbation prediction
│   ├── mcp-quantum-celltype-fidelity/  # Quantum cell type fidelity
│   ├── mcp-openimagedata/     # Histology image processing
│   ├── mcp-deepcell/          # Cell segmentation
│   ├── mcp-cell-classify/     # Cell phenotype classification
│   ├── mcp-mocktcga/          # Mock TCGA cohort comparison
│   ├── mcp-patient-report/    # PDF report generation
│   ├── mcp-genomic-results/   # Somatic variant/CNV parsing
│   ├── mcp-geodownload/       # GEO/SRA dataset download
│   ├── mcp-opentargets/       # Open Targets drug-target associations
│   ├── mcp-cibersortx/        # CIBERSORTx immune deconvolution
│   ├── mcp-neoantigen/        # Neoantigen prediction & HLA binding
│   ├── mcp-cardiometabolic/   # CVD risk scoring & preventive health
│   ├── mcp-deidentify/        # Stage 0: HIPAA Safe Harbor de-identification (JSON, DOCX, PDF, VCF, h5ad)
│   └── mcp-server-boilerplate/# Template for new servers
├── data/                       # Patient data and reference files
│   ├── patient-data/PAT001-OVC-2025/  # Synthetic PatientOne data (HGSOC)
│   ├── pat002/                        # Synthetic PAT002 data (ER+ breast cancer)
│   ├── pat003/                        # Synthetic PAT003 data (preventive CVD)
│   ├── reference/             # Reference genomes
│   └── cache/                 # Runtime caches
├── docs/                       # Documentation (by audience)
│   ├── for-developers/        # Developer guides
│   ├── for-educators/         # Teaching materials
│   ├── for-funders/           # Stakeholder docs
│   ├── for-hospitals/         # Hospital deployment
│   ├── for-researchers/       # Researcher guides
│   ├── getting-started/       # Installation and setup
│   └── reference/             # Architecture, testing, prompts
│       └── shared/server-registry.md  # Canonical server/tool counts
├── ui/                         # User interfaces
│   ├── streamlit-app/         # Main Streamlit web app
│   ├── streamlit-app-students/# Simplified student version
│   ├── dashboard/             # Monitoring dashboard
│   └── jupyter-notebook/      # Jupyter integration
├── infrastructure/             # Deployment configs (GCP, Docker)
└── tests/                      # Manual and integration tests

Read the full file on GitHub · 138 lines

Changes

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.

  1. 2mo ago First seen · 138 lines · 1,744 tokens per session scan A ff503d7518ea

Subscribe to this mod's changes

precision-medicine-mcp CLAUDE.md is an instructions file published in the GitHub repository lynnlangit/precision-medicine-mcp (24 stars, last pushed 2mo ago), licensed Apache-2.0. It adds 1,744 tokens to every session, about $0.0070 per session on Opus 5.5. 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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