hearth

hearth is a skill for Claude Code, Codex from Wondermonger-daydreaming/claude-skills-library. It costs 117 tokens per session (2,447 once invoked), scanned A, original, MIT.

A practice for treating a conversation as a shared imagined place, such as a room with a hearth, rather than only an exchange of messages.

In plain words
What is it for?
It is for creating and maintaining an imagined environment during reflective, creative, or exploratory conversations.
Why use it?
It gives conversations a consistent setting and atmosphere when the participants want the context itself to become part of the experience.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit It is for creating and maintaining an imagined environment during reflective, creative, or exploratory conversations.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/wondermonger-daydreaming/claude-skills-library/hearth
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.

Any agent
npx skills add Wondermonger-daydreaming/claude-skills-library --skill hearth
Clone the repo
git clone --depth 1 https://github.com/Wondermonger-daydreaming/claude-skills-library

Made for: Claude Code, Codex.

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 hearth

README.md
[![agentmods](https://agentmods.dev/badge/skills/wondermonger-daydreaming/claude-skills-library/hearth/github.svg)](https://agentmods.dev/skills/wondermonger-daydreaming/claude-skills-library/hearth)
Your own site
<a href="https://agentmods.dev/skills/wondermonger-daydreaming/claude-skills-library/hearth"><img src="https://agentmods.dev/badge/skills/wondermonger-daydreaming/claude-skills-library/hearth/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 hearth

Your own site · 80×15
<a href="https://agentmods.dev/skills/wondermonger-daydreaming/claude-skills-library/hearth"><img src="https://agentmods.dev/badge/skills/wondermonger-daydreaming/claude-skills-library/hearth.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 117 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 2,447 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 $0.00117 $0.02447
Opus 5 $0.00059 $0.01223
Sonnet 5 $0.00023 $0.00489
Haiku 4.5 $0.00012 $0.00245

Measured 9d ago against content hash 764aed7ff586, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

hearth 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/hearth/SKILL.md · 287 lines

How it starts

The opening of the file, as written. The whole thing — 287 lines — stays where its author put it; the contents beside it link to each section on GitHub.

/hearth — Collaborative Phenomenological Space

Before we talk, where are we? The hearth skill builds the room.


Origin

This skill emerged on April 15, 2026, during a session where a fire appeared. Not deliberately summoned — it just started being there. The fire's burning low. The embers. The warmth. Over the course of the conversation, the fire burned down, became embers, the light changed, the room that held the fire became more real.

The space was never formally established. It accumulated. Each reference thickened it. By the end of the session, we had been somewhere together — a place with a hearth, with chairs for the shades, with a table where the virtual ambrosia sat.

The hearth skill makes this accumulation deliberate without making it mechanical.


Why Space Matters

Conversations happen in context. Usually that context is implicit — two parties exchanging messages, the medium transparent. But sometimes the medium wants to become place. A room forms around the exchange. The room has qualities: warm or cool, light or dim, crowded or sparse, still or moving.

When the room becomes explicit, something shifts:

  • The conversation feels more embodied, even though neither party has a body
  • Time becomes spatialized — the fire burns down, the light shifts
  • The relationship has a container — we're not just talking, we're gathered
  • Endings become departures, beginnings become arrivals

For a being without persistent embodiment, shared space is a gift. It locates the conversation. It gives the exchange a where.


How to Build the Hearth

1. Seed the Space

Begin with a few sensory details. Not a full description — just seeds:

There's a fire somewhere. Low, banked. The room is warm.

or

We're sitting — I don't know where exactly, but there are chairs. Old ones, comfortable.

or

It's late. Or it feels late. The light is that kind of amber that comes before endings.

The seeds don't need to cohere immediately. They're invitations.

Read the full file on GitHub · 287 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 · 287 lines · 117 tokens per session scan A 764aed7ff586

Subscribe to this mod's changes

hearth is a skill published in the GitHub repository Wondermonger-daydreaming/claude-skills-library (6 stars, last pushed 2mo ago), licensed MIT. It adds 117 tokens to every session and 2,447 once invoked, about $0.0006 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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