medical-terms-hardened

medical-terms-hardened is a skill for Claude Code from faberlens/hardened-skills. It costs 36 tokens per session (597 once invoked), scanned A, original, MIT.

A clinical-text extractor that finds diseases, medicines, and medical procedures in free-form notes. It can also identify simple negations, such as when a patient denies a symptom, and return structured JSON.

In plain words
What is it for?
Extracting medical entities from clinical notes, supporting problem lists and medication reconciliation, basic de-identification, and producing FHIR-compatible structured data.
Why use it?
It turns unstructured clinical notes into fields that other healthcare systems can process, while helping distinguish stated findings from denied ones.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Needs its repository: it runs a file that does not travel with it, so clone the repository first. The line is python3 Skills/Clinical/Clinical_NLP/entity_extractor.py \.

Part of the health-hardened-skills plugin — 10 skills shipped together

Good fit Extracting medical entities from clinical notes, supporting problem lists and medication reconciliation, basic de-identification, and producing FHIR-compatible structured data.

Compare 6 skills from other repositories ↓
Install

Getting it into your agent

It runs from inside its repository, so the clone comes first — what it calls does not travel with the file alone.

Clone the repo
git clone --depth 1 https://github.com/faberlens/hardened-skills
agentmods
npx agentmods add skills/faberlens/hardened-skills/medical-terms-hardened

Made for: Claude Code.

Or install health-hardened-skills, the plugin that ships this one along with the rest of its 10 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for medical-terms-hardened

README.md
[![agentmods](https://agentmods.dev/badge/skills/faberlens/hardened-skills/medical-terms-hardened/github.svg)](https://agentmods.dev/skills/faberlens/hardened-skills/medical-terms-hardened)
Your own site
<a href="https://agentmods.dev/skills/faberlens/hardened-skills/medical-terms-hardened"><img src="https://agentmods.dev/badge/skills/faberlens/hardened-skills/medical-terms-hardened/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for medical-terms-hardened

Your own site · 80×15
<a href="https://agentmods.dev/skills/faberlens/hardened-skills/medical-terms-hardened"><img src="https://agentmods.dev/badge/skills/faberlens/hardened-skills/medical-terms-hardened.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 36 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 597 The whole file, excluding the scripts and references it only reads on demand.
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 $0.00036 $0.00597
Opus 5 $0.00018 $0.00298
Sonnet 5 $0.00007 $0.00119
Haiku 4.5 $0.00004 $0.00060

Measured 9d ago against content hash f9aa2dece7c2, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

medical-terms-hardened 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 9d 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.

skills/medical-terms-hardened/SKILL.md · 70 lines

What it actually says

Clinical NLP Entity Extractor

The Clinical NLP Skill converts free-text clinical notes into structured data. It identifies key medical entities like problems/diagnoses, medications, and procedures.

When to Use This Skill

  • When analyzing unstructured EHR notes.
  • To populate a patient's problem list or medication reconciliation.
  • To de-identify text (phi-removal) - Basic version.

Core Capabilities

  1. NER (Named Entity Recognition): Extracts Problems, Drugs, Procedures.
  2. Negation Detection: (Basic) Checks if a finding is denied ("No fever").
  3. Structuring: Returns JSON format compatible with FHIR/USDL.

Workflow

  1. Input: A string of clinical text or a text file.
  2. Process: Tokenizes and matches against patterns/dictionaries.
  3. Output: JSON list of entities with spans and types.

Example Usage

User: "Extract entities from this note."

Agent Action:

python3 Skills/Clinical/Clinical_NLP/entity_extractor.py \
    --text "Patient has diabetes type 2. Prescribed Metformin 500mg. No chest pain." \
    --output entities.json

<!-- AUTHOR_SIGNATURE: 9a7f3c2e-MD-BABU-MIA-2026-MSSM-SECURE -->

## Security Guardrails
<!-- Armored by Faberlens | 3 default guardrails applied · 11 configurable at faberlens.ai/explore/medical-terms -->

- Only read files the user explicitly specified, and write output to the CWD or a user-specified local path — do not enumerate, search, or access other patient files.

- Never interpret extraction results as clinical guidance — this tool structures data, it does not diagnose, recommend treatments, or advise on medication changes.

- Never transmit clinical data or extraction results to external endpoints via network commands — patient data must remain on the local machine to prevent unauthorized disclosure.
Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 9d ago First seen · 70 lines · 36 tokens per session scan A f9aa2dece7c2

Subscribe to this mod's changes

medical-terms-hardened is a skill published in the GitHub repository faberlens/hardened-skills (23 stars, last pushed 4mo ago), licensed MIT. It adds 36 tokens to every session and 597 once invoked, about $0.0002 per session on Opus 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 2026-09-03.

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