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.
npx agentmods add skills/mm-weber/loremaester/worldbuildingnpx skills add mm-weber/loremaester --skill worldbuildinggit clone --depth 1 https://github.com/mm-weber/loremaesterWrote 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.
[](https://agentmods.dev/skills/mm-weber/loremaester/worldbuilding)<a href="https://agentmods.dev/skills/mm-weber/loremaester/worldbuilding"><img src="https://agentmods.dev/badge/skills/mm-weber/loremaester/worldbuilding.svg" alt="Measured on agentmods" height="20"></a>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.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00093 | $0.01606 |
| Opus 5 | $0.00046 | $0.00803 |
| Sonnet 5 | $0.00019 | $0.00321 |
| Haiku 4.5 | $0.00009 | $0.00161 |
Grade A, and why
worldbuilding 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 4d 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.
How it starts
The opening of the file, as written. The whole thing — 151 lines — stays where its author put it; the contents beside it link to each section on GitHub.
Worldbuilding Assistant
Orchestrate Obsidian vault navigation, source book research, and TTRPG content generation. The GM's vault is the single source of truth — source books provide inspiration, never override what's already established.
Workflow
Every worldbuilding request follows four steps. Some requests (pure research, quick lookups) may only need steps 1–2. Use judgment about which steps apply.
Step 1: Gather Vault Context
Before generating anything, understand what already exists. The vault is canon.
-
Search the graph for related notes:
vault_search_notes(name_pattern="topic")to find notes by namevault_search_notes(tag="faction")orvault_search_notes(note_type="NPC")to find by categoryvault_central_notes(tag="location")to find the most-connected notes in a category
-
Map connections around the topic:
vault_graph(note="Note Name", depth=2)to see how a note connects to the rest of the worldvault_backlinks(note="Note Name")to see what references this note
-
Read primary notes — Read the most relevant notes found above. Follow wikilinks 1–2 levels deep to build context:
- Read the note itself
- Read notes it links to (first-level wikilinks)
- Optionally read one more level if the topic is broad
-
Search for mentions across the vault:
- Grep for
[[Topic Name]]to find every note that references this concept - Grep frontmatter fields like
faction: "Name"orlocation: "Place"for structured references
- Grep for
-
Summarize what's established before proceeding. Note any contradictions or gaps.
Step 2: Research Source Books
Use the sourcebooks MCP server to find relevant published material.
- Broad search:
search_lore(query="topic keywords")for general results - Filtered search: Narrow with
bookandcontent_typewhen results are too broad:search_lore(query="dwarven politics", book="Dwarf Kingdoms Sourcebook")search_lore(query="undead", content_type="bestiary")
- Deep dive:
get_chapter(book="Book Title", chapter="Chapter 3")when you need full chapter context - Discover sources:
list_books()if unsure what source books are available
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.
- 4d ago First seen · 151 lines · 93 tokens per session scan A dcb476d8ce75
worldbuilding is a skill published in the GitHub repository mm-weber/loremaester (19 stars, last pushed 1mo ago), licensed MIT. It adds 93 tokens to every session and 1,606 once invoked, about $0.0005 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.
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