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 skills add nightquill/rpgmaker-agent-skills --skill rpgmaker-databasegit clone --depth 1 https://github.com/nightquill/rpgmaker-agent-skillsWrote 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/nightquill/rpgmaker-agent-skills/rpgmaker-database)<a href="https://agentmods.dev/skills/nightquill/rpgmaker-agent-skills/rpgmaker-database"><img src="https://agentmods.dev/badge/skills/nightquill/rpgmaker-agent-skills/rpgmaker-database.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 5.1 | $0.00148 | $0.02660 |
| Opus 5 | $0.00074 | $0.01330 |
| Sonnet 5 | $0.00030 | $0.00532 |
| Haiku 4.5 | $0.00015 | $0.00266 |
Grade A, and why
rpgmaker-database 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 8d 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 — 231 lines — stays where its author put it; the contents beside it link to each section on GitHub.
RPG Maker Database Skill
This skill covers reading and modifying RPG Maker MV and MZ database files. It teaches agents what each database file contains, how damage formulas work, how to detect balance outliers, and how to safely append new entries without corrupting cross-file references.
All database suggestions generated by this skill are drafts for developer review — never authoritative final content.
Database Files Overview
All database files in data/ are JSON arrays where index 0 is always
null. Each entry's id field equals its array index. The two exceptions
are System.json (single object) and MapInfos.json (positional array but
append-only — see rpgmaker-core).
| File | Content | Key Fields | Notes |
|---|---|---|---|
Actors.json |
Playable characters | classId, equips, traits |
equips cross-refs Weapons/Armors |
Classes.json |
Character class definitions | expParams, params, traits |
Stat growth curves per level |
Skills.json |
Learnable abilities | damage.formula, mpCost, scope |
damage.formula is JavaScript |
Items.json |
Consumables and key items | itypeId, consumable, effects |
itypeId: 2 = key item (unsellable) |
Weapons.json |
Equippable weapons | wtypeId, params, animationId |
params = stat bonuses (not base stats) |
Armors.json |
Equippable armor/accessories | atypeId, etypeId, params |
etypeId determines equipment slot |
Enemies.json |
Enemy battlers | params, exp, dropItems |
params = base stats (not bonuses) |
Troops.json |
Enemy group definitions | members, pages |
Battle event pages |
States.json |
Status effects | restriction, autoRemovalTiming |
restriction: 4 = cannot act |
Animations.json |
Battle animations | frames, timings |
Referenced by animationId fields |
Tilesets.json |
Map tile configuration | tilesetNames, flags |
Passage/terrain tag data |
CommonEvents.json |
Reusable event scripts | trigger, list |
Call from maps or other events |
System.json |
Global game settings | switches, variables, elements |
Single object — not a positional array |
MapInfos.json |
Map tree for the editor | parentId, order |
Append-only — never reorder or delete |
What ships with it
13 files 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.
- references/actor-schema.md 2.2 KB
- references/armor-schema.md 2.2 KB
- references/balance-heuristics.md 4.8 KB
- references/damage-formulas.md 4.3 KB
- references/enemy-schema.md 2.8 KB
- references/item-schema.md 2.0 KB
- references/skill-schema.md 2.9 KB
- references/state-schema.md 2.6 KB
- references/weapon-schema.md 2.0 KB
- scripts/add_enemy.py 4.7 KB runs code
- scripts/add_skill.py 3.7 KB runs code
- scripts/balance_check.py 7.1 KB runs code
- scripts/validate_database.py 4.3 KB runs code
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.
- 8d ago First seen · 231 lines · 148 tokens per session scan A b1a4e549b976
rpgmaker-database is a skill published in the GitHub repository nightquill/rpgmaker-agent-skills (23 stars, last pushed 4mo ago), licensed MIT. It adds 148 tokens to every session and 2,660 once invoked, about $0.0007 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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