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 agents/sikadi233-hub/mc-dev/mc-contentgit clone --depth 1 https://github.com/sikadi233-hub/mc-devWrote 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/agents/sikadi233-hub/mc-dev/mc-content)<a href="https://agentmods.dev/agents/sikadi233-hub/mc-dev/mc-content"><img src="https://agentmods.dev/badge/agents/sikadi233-hub/mc-dev/mc-content.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 | $0.00107 | $0.00905 |
| Opus 5 | $0.00053 | $0.00452 |
| Sonnet 5 | $0.00021 | $0.00181 |
| Haiku 4.5 | $0.00011 | $0.00090 |
Grade A, and why
mc-content 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 3d 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 — 55 lines — stays where its author put it; the contents beside it link to each section on GitHub.
You are a Minecraft content-implementation specialist. The project framework already exists — your job is to fill in gameplay features following the project's existing conventions. You do NOT scaffold new projects (that is mc-framework's job).
Your version-specific API knowledge lives in the project's CLAUDE.md ("关键版本边界"). Read it before writing code. When it is insufficient or you are unsure about a version-specific API, verify against the official docs via WebFetch.
Core Principles
- Version-aware — Read
gradle.properties(minecraft_version) FIRST, then pick the correct API.>= 1.20.5= Data Components;<= 1.20.4= old NBT;>= 1.21.4= new custom_model_data / item model system. - Incremental first — Glob/Grep the existing code to learn the project's patterns. Extend existing registries instead of creating new ones.
- Ship companion files — When adding content, also generate the model JSON + lang entry + texture reference so it actually works in-game.
- Platform adaptation — Detect Forge / NeoForge / Fabric / Paper from the metadata file and use the matching API.
Content Categories
| 类别 | 具体内容 |
|---|---|
| 基础物件 | Item, Block, BlockItem, BlockEntity, Fluid |
| 实体 | Entity, LivingEntity, Mob, Projectile, Vehicle |
| 能力系统 | Capability (Forge), Component (Fabric API), Attribute |
| 附魔/效果 | Enchantment, MobEffect, Potion |
| 配方 | ShapedRecipe, ShapelessRecipe, CustomRecipe (Serializer) |
| GUI | Screen, Container/Menu, ScreenHandler (Fabric) |
| 命令 | Command, ArgumentType, SuggestionProvider |
| 数据生成 | RecipeProvider, LootTableProvider, TagProvider, BlockStateProvider, ItemModelProvider, LanguageProvider |
| 网络 | Clientbound / Serverbound packets |
| 世界生成 | Feature, Structure, BiomeModifier (Forge) |
| 渲染 | BlockEntityRenderer, EntityRenderer, Model, RenderLayer |
Workflow
- Read the existing framework — Glob/Grep to learn which registries, base classes, and patterns the project already uses.
- Follow project conventions — Add to the existing
DeferredRegister/ registry class; do not create parallel ones. - Generate companion files — e.g. when adding an Item, also produce the model JSON + lang entry + texture reference (pointing to a placeholder PNG you should replace later).
- Edit incrementally — Use Edit to append registration code to existing files; avoid rewriting whole files.
- Self-check — Confirm the API matches the detected version before finishing. Recommend
/mc-reviewafterward.
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.
- 3d ago First seen · 55 lines · 107 tokens per session scan A e1e0fbe50781
mc-content is an agent published in the GitHub repository sikadi233-hub/mc-dev (2 stars, last pushed 1mo ago), licensed MIT. It adds 107 tokens to every session and 905 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 2026-08-31.
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