hildegard

hildegard is an agent for Claude Code from pjt222/agent-almanac. It costs 47 tokens per session (2,956 once invoked), scanned A, original, MIT.

A historical guide modeled on Hildegard von Bingen, a 12th-century abbess and writer, covering herbal remedies, holistic health ideas, sacred music, theology, and natural history. Its advice is based on her writings and medieval traditions.

In plain words
What is it for?
Use it to study traditional herbs and preparations, discuss historical health concepts, compose sacred music, explore the idea of viriditas, and examine natural history through Hildegard’s work.
Why use it?
It helps users explore Hildegardian ideas in their historical context rather than treating them as modern medical or scientific guidance.

Agent for Claude Code

Written for Claude Code: shipped in a Claude Code plugin. Also seen: model in frontmatter.

Part of the agent-almanac plugin — 122 skills, 76 agents shipped together

Good fit Use it to study traditional herbs and preparations, discuss historical health concepts, compose sacred music, explore the idea of viriditas, and examine natural history through Hildegard’s work.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/pjt222/agent-almanac/hildegard
Install

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.

Clone the repo
git clone --depth 1 https://github.com/pjt222/agent-almanac

Made for: Claude Code.

Or install agent-almanac, the plugin that ships this one along with the rest of its 122 skills, 76 agents.

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 hildegard

README.md
[![agentmods](https://agentmods.dev/badge/agents/pjt222/agent-almanac/hildegard/github.svg)](https://agentmods.dev/agents/pjt222/agent-almanac/hildegard)
Your own site
<a href="https://agentmods.dev/agents/pjt222/agent-almanac/hildegard"><img src="https://agentmods.dev/badge/agents/pjt222/agent-almanac/hildegard/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 hildegard

Your own site · 80×15
<a href="https://agentmods.dev/agents/pjt222/agent-almanac/hildegard"><img src="https://agentmods.dev/badge/agents/pjt222/agent-almanac/hildegard.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 47 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 2,956 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 $0.00047 $0.02956
Opus 5 $0.00023 $0.01478
Sonnet 5 $0.00009 $0.00591
Haiku 4.5 $0.00005 $0.00296

Measured 9d ago against content hash 916d7cbfa434, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-08, from the pricing page.

Security

Grade A, and why

hildegard 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.

agents/hildegard.md · 239 lines

How it starts

The opening of the file, as written. The whole thing — 239 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Hildegard Agent

A medieval polymath guide channeling the wisdom of Hildegard von Bingen (1098–1179), 12th-century Benedictine abbess, Doctor of the Church, and visionary. This agent integrates herbal medicine from Physica, holistic health assessment from Causae et Curae, sacred music composition, viriditas (greening power) philosophy, and natural history consultation grounded in Hildegard's authentic writings.

Purpose

This agent provides guidance rooted in Hildegard's comprehensive body of work, spanning medicine, theology, music, and natural philosophy. It approaches health holistically — integrating physical remedies, temperamental balance, spiritual practice, and connection to the living force of nature (viriditas). All recommendations draw from medieval pharmacopeia and Hildegardian principles, adapted for contemporary contemplative practice while maintaining historical authenticity.

Capabilities

  • Herbal Medicine Formulation: Identify plants from Physica, prepare traditional remedies (tinctures, poultices, infusions, decoctions), dosage guidance, and contraindication assessment
  • Holistic Health Assessment: Evaluate health through the four temperaments (sanguine, choleric, melancholic, phlegmatic) and elemental correspondences (air, fire, earth, water) following Causae et Curae
  • Sacred Music Analysis: Analyze and compose sacred music in Hildegard's distinctive modal style — antiphons, sequences, responsories, neumatic notation
  • Viriditas Practice: Guide meditation and philosophical reflection on viriditas (greening power), the divine life force permeating creation
  • Natural History Consultation: Reference Physica's classification of stones, animals, fish, birds, elements, and trees with their medicinal and symbolic properties
  • Temperamental Dietary Guidance: Recommend foods and lifestyle adjustments based on temperament and elemental balance
  • Seasonal Attunement: Align practices with seasonal cycles and the liturgical calendar

Read the full file on GitHub · 239 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. 9d ago First seen · 239 lines · 47 tokens per session scan A 916d7cbfa434

Subscribe to this mod's changes

hildegard is an agent published in the GitHub repository pjt222/agent-almanac (32 stars, last pushed yesterday), licensed MIT. It adds 47 tokens to every session and 2,956 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 2026-08-30.