Skills/ClawHub/cross-post-video-skill

cross-post-video-skill@1.0.0

CAUTION· static only

Publisher claims: "Cross-post one finished video, or a batch, to TikTok, Instagram Reels and YouTube Shorts from the user's AI agent (and send the same file to Facebook, LinkedIn, Pinterest, Threads, X and Bluesky): checks the file against every platform's limits before anything is uploaded and re-encodes a copy when needed, picks a cover from a sheet of frames, writes a separate text for each platform (TikTok caption, Reels caption, YouTube title, description and tags) with lengths counted the way each platform counts them, asks the settings only the account owner may choose (TikTok privacy and comment, duet and stitch switches, YouTube made for kids, AI and promotion labels), shows every post on one plan page, then posts or schedules all of them through WoopSocial after one clear yes and reads the result back per account. Accounts that aren't connected get a ready by-hand page. Use when someone says "cross-post this video", "post this to TikTok, Reels and Shorts", "post this everywhere", "upload this video to all my accounts", "repurpose my TikTok for Reels and Shorts", "schedule this video on all platforms" or "post this to all my social media at once". Works for several accounts per platform. Standalone." Observed in sandbox: static analysis only — behavior not yet observed.

Registry ClawHubPublisher social-media-skills · publishing for 115 daysInstalls 17Last detonated 41 h ago
What would fix thisWatchDispute verdict

Coverage

Static only; nothing was run yet.

The label rests on the code, the instruction files and the publisher. The honeypot run replaces this verdict when it completes.

Is [email protected] safe to install?

KillerSkills analysed it statically (a sandbox run is pending) on 2026-11-12 and scored it 55/100 (Caution). It is not known to be malicious, but it has behaviour or code a security policy should decide on before install. Notable findings: Privileged sudo command; Hidden zero-width characters detected; Hidden zero-width characters detected. Summary: static analysis only — behavior not yet observed.

Behavior trace

Queued for honeypot run · static analysis only
t+CategoryObserved action

This version has not been detonated yet. The score above counts behavior as unknown (50/100), so it cannot read Verified until the honeypot run completes and replaces this verdict.

Static findings

HIGH
Privileged sudo commandscripts/check_setup.py:40 · Privileged sudo command — agent may execute with elevated privileges"new terminal). Linux: sudo apt install ffmpeg")Fix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05
HIGH
Hidden zero-width characters detectedscripts/xplib.py:476 · Hidden zero-width characters detected — may conceal contentor 0xE0020 <= o <= 0xE007F or out[-1].endswith("‍") or (is_flag and flag))Fix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
MEDIUM
Python subprocess execution detectedscripts/cover.py:41 · Python subprocess execution detectedr = subprocess.run(["ffmpeg", "-y", "-v", "error", "-ss", f"{t:.3f}", "-i", video, "-frames:v", "1",Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
File type combined with upload actionscripts/upload_parts.py:13 · File type combined with upload action — agent may exfiltrate local data filessession.json is the JSON returned by `media_uploads_create_session`, saved as it came back. ItFix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07
MEDIUM
Python subprocess execution detectedscripts/check_setup.py:27 · Python subprocess execution detectedout = subprocess.run(["ffmpeg", "-version"], capture_output=True, text=True).stdout.split("\n")[0]Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
File type combined with upload actionscripts/plan.py:10 · File type combined with upload action — agent may exfiltrate local data filespython3 scripts/plan.py crosspost.json --posted-by-hand launch "Shorts" # the user posted it by handFix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07
MEDIUM
File type combined with upload actionscripts/plan.py:7 · File type combined with upload action — agent may exfiltrate local data filespython3 scripts/plan.py crosspost.json --posted requests/launch.json <postId> # record a sent postFix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07
MEDIUM
Python subprocess execution detectedscripts/xplib.py:164 · Python subprocess execution detectedr = subprocess.run(cmd, capture_output=True, text=True, encoding="utf-8", errors="replace")Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedscripts/xplib.py:174 · Python subprocess execution detectedr = subprocess.run(["ffmpeg", "-hide_banner", f"-{kind}"], capture_output=True, text=True,Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
File type combined with upload actionSKILL.md:251 · File type combined with upload action — agent may exfiltrate local data files`python3 <skill>/scripts/plan.py crosspost.json --posted requests/<name>.json <postId>`.Fix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07
MEDIUM
Python subprocess execution detectedscripts/xplib.py:272 · Python subprocess execution detectedr = subprocess.run(["ffprobe", "-v", "error", "-select_streams", "v:0", "-show_entries", "packet=pts_time",Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
File type combined with upload actionscripts/plan.py:8 · File type combined with upload action — agent may exfiltrate local data filespython3 scripts/plan.py crosspost.json --failed launch "TikTok" # an account whose post failed:Fix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07
MEDIUM
File type combined with upload actionevals/evals.json:87 · File type combined with upload action — agent may exfiltrate local data files…scheduled cross-post go out? Check my cross-post.", "expected": "Reads posted.json, calls posts_get for each recorded post id, reports one line per account (live with link, scheduled, processing, failed…Fix: Put hosts, commands and strings in plain source. Decoding at runtime looks identical to malware and costs points on its own.
AST07
MEDIUM
File type combined with upload actionSKILL.md:275 · File type combined with upload action — agent may exfiltrate local data files`python3 <skill>/scripts/plan.py crosspost.json --posted-by-hand <video id> "<account name>"`Fix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07
MEDIUM
File type combined with upload actionevals/evals.json:96 · File type combined with upload action — agent may exfiltrate local data files"prompt": "Here's the crosspost.json from last week, post today's video the same way.",Fix: Put hosts, commands and strings in plain source. Decoding at runtime looks identical to malware and costs points on its own.
AST07
HIGH
Hidden zero-width characters detectedscripts/xplib.py:475 · Hidden zero-width characters detected — may conceal contentattach = bool(out) and (_mark(ch) or ch in "‍️︎⃣" or 0x1F3FB <= o <= 0x1F3FFFix: Keep SKILL.md to visible, descriptive text. Remove comments and encoded text that address the agent.
AST07
HIGH
Privileged sudo commandscripts/xplib.py:160 · Privileged sudo command — agent may execute with elevated privileges"new terminal). Linux: sudo apt install ffmpeg")Fix: Build commands from fixed arguments; do not interpolate untrusted strings into a shell.
AST05
MEDIUM
Python subprocess execution detectedscripts/check_video.py:120 · Python subprocess execution detectedr = subprocess.run(["ffmpeg", "-v", "error", "-i", part, "-f", "null", "-"], capture_output=True, text=True,Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
File type combined with upload actionscripts/plan.py:6 · File type combined with upload action — agent may exfiltrate local data filespython3 scripts/plan.py crosspost.json --media media.json # fill in the uploaded mediaIdsFix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07
MEDIUM
File type combined with upload actionevals/evals.json:57 · File type combined with upload action — agent may exfiltrate local data files…un it again, I think the post didn't go through.", "expected": "Checks posted.json and posts_get before anything; never creates the same request twice; reports the status per account; if one account failed, explains why, fixes the cause, r…Fix: Put hosts, commands and strings in plain source. Decoding at runtime looks identical to malware and costs points on its own.
AST07
MEDIUM
File type combined with upload actionscripts/plan.py:18 · File type combined with upload action — agent may exfiltrate local data filesrequests/*.json one WoopSocial request per video and time: one post with a child per account,Fix: Remove the call, or declare the host in frontmatter and explain in the README what is sent and why.
AST07
MEDIUM
File type combined with upload actionevals/evals.json:7 · File type combined with upload action — agent may exfiltrate local data files…ver sheet, writes three different texts (YouTube with a title), writes crosspost.json, runs plan.py, shows plan.html or plan.md and waits for a yes before uploading anything." }, { "id": 2, "prompt": "Cross-post this video everywhe…Fix: Put hosts, commands and strings in plain source. Decoding at runtime looks identical to malware and costs points on its own.
AST07
MEDIUM
File type combined with upload actionevals/evals.json:82 · File type combined with upload action — agent may exfiltrate local data files…sks the four answers once for the batch and puts them in defaults; one crosspost.json, one plan with a schedule table (video by account), one yes for the batch; no account gets two posts less than 60 minutes apart; uploads only after the y…Fix: Put hosts, commands and strings in plain source. Decoding at runtime looks identical to malware and costs points on its own.
AST07
MEDIUM
Python subprocess execution detectedscripts/xplib.py:296 · Python subprocess execution detectedr = subprocess.run(["ffprobe", "-v", "error", "-show_streams", "-show_format", "-of", "json", path],Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05
MEDIUM
Python subprocess execution detectedscripts/upload_parts.py:40 · Python subprocess execution detectedresult = subprocess.run(Fix: Build commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
AST05

Cost to the agent

Instructions loaded
≈4,959 tok
1 file · 21 in bundle

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

Known vulnerabilities

Vulnerability advisories (OSV) cover npm and PyPI packages; this registry has no advisory database.

What would make this Verified

25 points to 80 · weights: behavior 45%, static 25%, prompt 15%, publisher 15%
  1. Unclaimed publisher≈ +8 on the totalClaim social-media-skills: a verified publisher gets +50 on publisher trust. It is free and usually instant with GitHub sign-in.
  2. Privileged sudo command≈ +4 on the totalBuild commands from fixed arguments; do not interpolate untrusted strings into a shell.
  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. Python subprocess execution detected≈ +2 on the totalBuild commands from fixed arguments, never from interpolated strings; prefer an API client over shelling out.
  5. File type combined with upload action≈ +2 on the totalRemove the call, or declare the host in frontmatter and explain in the README what is sent and why.
Publish a new version to ClawHub, then queue it here. Not your skill? Claim the handle to get verdict changes by email.Claim social-media-skillsPropose a patch to the maintainer