Postiz Agent

⚠ Reviewed, with warnings on October 26, 2026 Claude plugin

Postiz skill and CLI to schedule posts on 28+ channels (X, LinkedIn, Instagram, TikTok, YouTube...) from your agent, with media upload and analytics.

Author: Postiz (Nevo David) (Service vendor, official)
Type: Claude plugin
Declared platforms: Claude, OpenAI Codex, Cursor
Standard format, also loadable in: ChatGPT, Gemini CLI, Grok Build (not declared by the author, not tested)
Use cases: Social media, Content and copywriting
Licence: AGPL-3.0
Cost: Free (AGPL-3.0); paid hosted Postiz account or self-hosted
Language: English
Official page: github.com/gitroomhq/postiz-agent
Information checked on: October 26, 2026

Security review

⚠ Reviewed, with warnings on October 26, 2026

Passive review of the public code, commit 17f1e27 of October 22, 2026: 1 SKILL.md file(s), 59 files, 15 script(s). Nothing was run.

What it can do: Creates, schedules and publishes posts, uploads media and reads analytics through the Postiz API.
Files: Reads the media you choose to upload; keeps the session in a config file.
Network: api.postiz.com or your instance; hosted MCP mcp.postiz.com.
Credentials: Postiz API key or OAuth.
Red flags: none found with our checklist

Warnings

Contains 15 scripts that run on your machine when the agent calls them.
13 dependencies without a pinned version: an update to a third-party package can change behaviour.
Can act on your behalf: publish on your social accounts.
Approval before acting is requested in the skill instructions, it is not enforced technically.
The hosted service (Postiz MCP) is not covered: only the public code was read.

A new version can change everything: the review covers the commit above only. Our review method →

Install

npx skills add gitroomhq/postiz-agent

Command copied from the official documentation. Read the code before you run it, and prefer a version pinned to a commit or a release.

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Postiz Agent

Security review

Warnings

Install

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