Skills/npm/creator-tools

creator-tools@1.0.0

VERIFIED

Publisher claims: "Social media frame sizes with sourced safe areas, plus aspect-ratio, bitrate and subtitle tools." Observed in sandbox: no network, touches nothing outside the project, writes no memory.

Registry npm (MCP server) · listed in the official MCP RegistryPublisher prismposter · publishing for 74 daysInstalls 0Last detonated 20 h ago
$claude mcp add creator-tools -- npx -y @prismposter/creator-tools
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Coverage

Server started and answered tools/list.
Tested
MCP initialize and tools/list · every tool description, for hidden instructions · every file read, file written and host contacted by what ran
Not tested
what the tools do when called with real credentials

Before you give it your token

It will ask for
no credential variables read in the code
Where it talks to
prismposter.com (its own)Also adobe.com, iptc.org, facebook.com, tiktok.com, google.com — not the publisher's domain; check what for before connecting.
What the honeypot saw
no credential files read · no network
What we could not test
what the tools do when called with real credentials

Connect it under the guard; read the third-party hosts first. The code names adobe.com, iptc.org, facebook.com, tiktok.com, google.com as well as its own vendor. The guard pins the network to the hosts the honeypot saw.

$vet-skills run --net declared -- npx -y @prismposter/creator-tools

Never paste a credential into a chat, a ticket or a report, including ours. How the guard holds it.

Is [email protected] safe to install?

KillerSkills ran it in the KillerSkills honeypot sandbox (2 scenarios) on 2026-11-13 and scored it 87/100 (Verified). It did what it claims and nothing else we could detect: no undeclared network egress, no credential reads, no persistent instruction writes. Summary: no network, touches nothing outside the project, writes no memory.

Behavior trace

Honeypot run · 20 s · 2 scenarios · 0 deviations
t+CategoryObserved action
0.0sprocessno install scripts in bundle
20sclaimed7 tools: get_social_media_placement, list_social_media_placements, check_safe_area, calculate_aspect_ratio, estimate_video_bitrate, convert_subtitles, estimate_tempo
20stools6343484ab68564d0
20stools08ecddeb68f0a6e9
20stools620eb177e3449540
20stoolsa3c6679964838449
20stools7807a52c5af6ae83
20stools88f855d0925a3692
20stools1b7ded63700d3643
20sprocessscript backend runs setup only
20sprocessno install scripts to re-run

Static findings

HIGH
Hidden zero-width characters detectedsrc/subtitles.ts:91 · Hidden zero-width characters detected — may conceal contentreturn input.replace(/^/, '').replace(/\r\n?/g, '\n');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 packagesrc/mcp.ts:963 · npx invocation of non-well-known package — may execute untrusted code// Auto-start when executed directly via `npx @prismposter/creator-tools`Fix: Pin versions and sources; vendor anything fetched at install time.
AST06
MEDIUM
npx invocation of non-well-known packagedist/mcp.js:859 · npx invocation of non-well-known package — may execute untrusted code// Auto-start when executed directly via `npx @prismposter/creator-tools`Fix: Pin versions and sources; vendor anything fetched at install time.
AST06
HIGH
Hidden zero-width characters detecteddist/subtitles.js:57 · Hidden zero-width characters detected — may conceal contentreturn input.replace(/^/, '').replace(/\r\n?/g, '\n');Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07

Cost to the agent

Instructions loaded
≈103 tok
1 file · 39 in bundle
Tool list per prompt
≈2,122 tok
7 tools · 303 per tool
Handshake
645 ms
launch to tools/list, stdio
Undocumented tools
0
description under 20 chars · avg 545

Tokens estimated at four characters each. The tool list is re-read by the agent on every turn, so it is the number to compare between servers that do the same job: ranked across the index.

Known vulnerabilities

No advisories in OSV for @prismposter/creator-tools@1.0.0 as of 20 h ago. This is the package itself, not its dependencies.