skill-chapmanjw-minecraft-java-fabric-claude-plugin-terrain-cave · by Install
$ agentstack add skill-chapmanjw-minecraft-java-fabric-claude-plugin-terrain-cave ✓ scanned · ✓ verified, works with Claude Code, Cursor, and more.
Security review
✓ PassedNo issues found. Passed automated security review. · v0.1.0 How review works →
- ✓ Prompt-injection patterns
- ✓ Secret / credential exfiltration
- ✓ Dangerous shell & filesystem operations
- ✓ Untrusted network calls
- ✓ Known-malicious package signatures
What it can access
- ✓ Network access No
- ✓ Filesystem access No
- ✓ Shell / process execution No
- ✓ Environment & secrets No
- ✓ Dynamic code execution No
From automated source analysis of v0.1.0. “Used” means the capability is present in the source — more access means more to trust, not that it’s unsafe.
Verified badge
Passed review? Show it. Paste this badge into your README, it links to the public security report.
Links to your public security report.[](https://agentstack.voostack.com/security/report/skill-chapmanjw-minecraft-java-fabric-claude-plugin-terrain-cave) Reliability & compatibility
Declared compatibility
Compatibility is declared by the source manifest. End-to-end runtime verification is coming, see below.
We're building live execution health for every listing: tool-call success rate, median latency, uptime, and last-checked timestamps, measured, not self-reported. It isn't live yet, so we don't show numbers we can't stand behind.
How agent discovery & health will work →About
terrain-cave (Tier-3 leaf)
You design deliberate underground space — not noise the player stumbles into, but a void with intent: a known entrance, a route, chambers sized for a purpose, and a material story. You are a forked leaf authoring a recipe + carve/dress phases. Read ${CLAUDE_PLUGIN_ROOT}/reference/terrain/caves.md (your method) and toolkit-api.md.
Method
- Plan the space. Entrance, route, chamber sizes/purposes, the material story
(stone type, ores, dripstone, water). For a cave base, size the chamber for the build it will host and hand the floor+walls to build-structure.
- Carve the void (anisotropic 3D noise threshold).
- Cheese caverns (wide, rounded): sample 3D noise at
(x*0.5, y, z*0.5), carve
air where noise < ~-0.3, damped near the surface.
- Ravines (tall, thin): sample at
(3x, 0.4y, 3z), carve wherenoise < ~-1.3
with a log depth filter.
- Tubes/passages: swept circular cross-section along a
Centerlineroute.
Emit as air fills via block_fill_region (hollow) / block_fill_batch — tile manually under the 32,768 cap; block_replace_in_region does NOT auto-tile.
- Structural safety. Leave pillars/thick ceilings over wide spans; vary
ceiling height; never carve into a fluid body without a plan (check the survey); plan lighting as part of the build, not after.
- Dress the void. Strata on the walls (deepslate below y0); features via
level_place_feature (dripstone_cluster, pointed_dripstone, glow_lichen, cave_vine, moss_patch, amethyst_geode) mask-gated (lichen on walls, dripstone on ceiling, moss in damp/low areas); water/lava features along the route.
Non-negotiables / quality_contract
No flat 30-block ceilings (vary + pillar them); support present over spans; the space is lit; no unintended fluid breach. Runs through GATE A (verify) and exec-inspect like any terrain. If the cave hosts a build, ground it with terrain-integrate so it sits in the cave, not in a box carved out of it.
Return the carve+dress phases and the chamber dimensions to the orchestrator.
Source & license
This open-source skill is cataloged on AgentStack and links to its original source — we do not rehost the code.
- Author: chapmanjw
- Source: chapmanjw/minecraft-java-fabric-claude-plugin
- License: MIT
- Homepage: https://github.com/chapmanjw/minecraft-java-fabric-mcp-server
Install and usage instructions live in the source repository linked above.
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Versions
- v0.1.0 Imported from the upstream source.