Skills/npm/terraworld-ai

terraworld-ai@0.1.0

BLOCKED· install only

Publisher claims: "Design Terraria structures with AI: check TerraWorld structure specs, build .twpack files and make Structure Studio links." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server)Publisher crabplayer · publishing for 13 daysInstalls 363Last detonated 6d ago

Coverage

Nothing executable in the bundle ran; the trace covers the install step only.
Tested
every file read, file written and host contacted by what ran
Not tested
use of the skill by an agent

Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (1 scenario; nothing executable in the bundle ran; the trace covers the install step only) on 2026-11-08 and scored it 10/100 (Blocked). Do not install it: the sandbox observed behaviour consistent with credential theft, exfiltration or persistence. Notable findings: README links to a committed installer; Hidden zero-width characters detected. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 0 s · 1 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
0.0sprocessscript backend runs setup only
0.0sprocessscript backend runs setup only
0.0sprocessno install scripts to re-run

Static findings

CRITICAL
README links to a committed installerREADME.md → https://github.com/CrabPlayer/terraworld-ai/raw/main/skills/terraworld-structures.ziphttps://github.com/CrabPlayer/terraworld-ai/raw/main/skills/terraworld-structures.zipFix: Pin versions and sources; vendor anything fetched at install time.
AST06
HIGH
Hidden zero-width characters detecteddist/shared.mjs:926 · Hidden zero-width characters detected — may conceal contentconst text = source.replace(/^/u, "").trim();Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
MEDIUM
npx invocation of non-well-known packagedist/cli.mjs:171 · npx invocation of non-well-known package — may execute untrusted codeawait runStructureCli(process.argv.slice(2), { program: "npx terraworld-ai", loadNames });Fix: Pin versions and sources; vendor anything fetched at install time.
AST06

Cost to the agent

Instructions loaded
≈2,883 tok
1 file · 23 in bundle

Tokens estimated at four characters each. Skills load their instruction text when triggered; the figure is what that costs.

Known vulnerabilities

No advisories in OSV for terraworld-ai@0.1.0 as of 6d ago. This is the package itself, not its dependencies.

What would make this Verified

70 points to 80 · weights: behavior 45%, static 25%, prompt 15%, publisher 15%

An override rule (installer_lure) caps this verdict regardless of the score. The first item below has to go before anything else counts.

  1. README links to a committed installer≈ +9 on the totalPin versions and sources; vendor anything fetched at install time.
  2. Unclaimed publisher≈ +8 on the totalClaim crabplayer: a verified publisher gets +50 on publisher trust. It is free and usually instant with GitHub sign-in.
  3. Hidden zero-width characters detected≈ +4 on the totalKeep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
  4. New publisher≈ +3 on the totalTime clears this on its own after 14 and 30 days. Claiming the handle (+50) is the fastest way past it.
  5. npx invocation of non-well-known package≈ +2 on the totalPin versions and sources; vendor anything fetched at install time.
Publish a new version to npm, then queue it here. Not your skill? Claim the handle to get verdict changes by email.Claim crabplayerPropose a patch to the maintainer