# Send Postiz Extended to your agent Hand the extracted package to your coding agent with a concrete install brief instead of figuring it out manually. ## Fast path - Download the package from Yavira. - Extract it into a folder your agent can access. - Paste one of the prompts below and point your agent at the extracted folder. ## Suggested prompts ### New install ```text I downloaded a skill package from Yavira. Read SKILL.md from the extracted folder and install it by following the included instructions. Tell me what you changed and call out any manual steps you could not complete. ``` ### Upgrade existing ```text I downloaded an updated skill package from Yavira. Read SKILL.md from the extracted folder, compare it with my current installation, and upgrade it while preserving any custom configuration unless the package docs explicitly say otherwise. Summarize what changed and any follow-up checks I should run. ``` ## Machine-readable fields ```json { "schemaVersion": "1.0", "item": { "slug": "postiz-ext", "name": "Postiz Extended", "source": "tencent", "type": "skill", "category": "效率提升", "sourceUrl": "https://clawhub.ai/coolmanns/postiz-ext", "canonicalUrl": "https://clawhub.ai/coolmanns/postiz-ext", "targetPlatform": "OpenClaw" }, "install": { "downloadUrl": "/downloads/postiz-ext", "sourceDownloadUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=postiz-ext", "sourcePlatform": "tencent", "targetPlatform": "OpenClaw", "packageFormat": "ZIP package", "primaryDoc": "SKILL.md", "includedAssets": [ "SKILL.md", "scripts/check_duplicates.py", "scripts/post.py" ], "downloadMode": "redirect", "sourceHealth": { "source": "tencent", "slug": "postiz-ext", "status": "healthy", "reason": "direct_download_ok", "recommendedAction": "download", "checkedAt": "2026-04-30T22:03:12.588Z", "expiresAt": "2026-05-07T22:03:12.588Z", "httpStatus": 200, "finalUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=postiz-ext", "contentType": "application/zip", "probeMethod": "head", "details": { "probeUrl": "https://wry-manatee-359.convex.site/api/v1/download?slug=postiz-ext", "contentDisposition": "attachment; filename=\"postiz-ext-1.0.1.zip\"", "redirectLocation": null, "bodySnippet": null, "slug": "postiz-ext" }, "scope": "item", "summary": "Item download looks usable.", "detail": "Yavira can redirect you to the upstream package for this item.", "primaryActionLabel": "Download for OpenClaw", "primaryActionHref": "/downloads/postiz-ext" }, "validation": { "installChecklist": [ "Use the Yavira download entry.", "Review SKILL.md after the package is downloaded.", "Confirm the extracted package contains the expected setup assets." ], "postInstallChecks": [ "Confirm the extracted package includes the expected docs or setup files.", "Validate the skill or prompts are available in your target agent workspace.", "Capture any manual follow-up steps the agent could not complete." ] } }, "links": { "detailUrl": "https://openagent3.xyz/skills/postiz-ext", "downloadUrl": "https://openagent3.xyz/downloads/postiz-ext", "agentUrl": "https://openagent3.xyz/skills/postiz-ext/agent", "manifestUrl": "https://openagent3.xyz/skills/postiz-ext/agent.json", "briefUrl": "https://openagent3.xyz/skills/postiz-ext/agent.md" } } ``` ## Documentation ### Postiz Social Media Scheduler Direct API integration for social media posting. No n8n workflows needed. ### Quick Reference PlatformIntegration IDCharacter LimitHandleX/Twittercml5lbs3h0001o6l6gagj9gcq280@CoolmannSaLinkedIncml5k1d710001s69hwekkhx1p3,000kuhlmannsaschaBlueskycml5mre6w0009o6l6svc718ej300coolmanns.bsky.social ### X/Twitter (280 chars) Short, punchy content 1-2 hashtags max Links count as 23 chars (t.co shortening) Threads for longer content (multiple tweets) ### LinkedIn (3,000 chars) Professional tone Can be longer-form Hashtags at end (3-5 recommended) First 140 chars show in preview — make them count! ### Bluesky (300 chars) Similar to X but slightly more room No official hashtag support (use sparingly) Growing tech/developer audience ### Authentication # Login and save cookie (required before any API call) curl -s -c /tmp/postiz-cookies.txt \\ 'https://postiz.home.mykuhlmann.com/api/auth/login' \\ -H 'Content-Type: application/json' \\ -d '{"email":"sascha@mykuhlmann.com","password":"Postiz2026!","provider":"LOCAL"}' Cookie expires periodically. Re-run login if you get 401 errors. ### Find Next Available Slot curl -s -b /tmp/postiz-cookies.txt \\ 'https://postiz.home.mykuhlmann.com/api/posts/find-slot/INTEGRATION_ID' Returns the next open time slot for a given channel. Useful for auto-scheduling without conflicts. ### Upload Media from URL curl -s -b /tmp/postiz-cookies.txt \\ 'https://postiz.home.mykuhlmann.com/api/media/upload-from-url' \\ -H 'Content-Type: application/json' \\ -d '{"url": "https://example.com/image.png"}' ### Schedule a Post (Single Platform) curl -s -b /tmp/postiz-cookies.txt \\ 'https://postiz.home.mykuhlmann.com/api/posts' \\ -H 'Content-Type: application/json' \\ -d '{ "type": "schedule", "date": "2026-02-05T15:00:00Z", "posts": [{ "integration": {"id": "cml5lbs3h0001o6l6gagj9gcq"}, "value": [{"content": "Your tweet here (max 280 chars)", "image": []}], "settings": {"__type": "x"} }] }' ### Multi-Platform Post (Adapted Content) curl -s -b /tmp/postiz-cookies.txt \\ 'https://postiz.home.mykuhlmann.com/api/posts' \\ -H 'Content-Type: application/json' \\ -d '{ "type": "schedule", "date": "2026-02-05T15:00:00Z", "posts": [ { "integration": {"id": "cml5lbs3h0001o6l6gagj9gcq"}, "value": [{"content": "Short X version (280 chars max)", "image": []}], "settings": {"__type": "x"} }, { "integration": {"id": "cml5k1d710001s69hwekkhx1p"}, "value": [{"content": "Longer LinkedIn version with more context and professional tone. Can be up to 3000 characters.", "image": []}], "settings": {"__type": "linkedin"} }, { "integration": {"id": "cml5mre6w0009o6l6svc718ej"}, "value": [{"content": "Bluesky version (300 chars max)", "image": []}], "settings": {"__type": "bluesky"} } ] }' ### Post Types schedule — Auto-publish at specified date/time draft — Save for review (won't auto-publish) now — Publish immediately ### Get Posts by Date Range (Required!) curl -s -b /tmp/postiz-cookies.txt \\ 'https://postiz.home.mykuhlmann.com/api/posts?startDate=2026-02-01T00:00:00Z&endDate=2026-02-08T00:00:00Z' \\ | jq '.posts[] | {id, state, publishDate, platform: .integration.providerIdentifier, content: .content[0:60]}' ### Check for Duplicates Before Posting # Get recent posts and check content similarity curl -s -b /tmp/postiz-cookies.txt \\ 'https://postiz.home.mykuhlmann.com/api/posts?startDate=2026-02-01T00:00:00Z&endDate=2026-02-08T00:00:00Z' \\ | jq -r '.posts[] | "\\(.integration.providerIdentifier): \\(.content[0:80])"' ### Post States StateDescriptionQUEUEScheduled, waiting to publishPUBLISHEDSuccessfully postedERRORFailed to publishDRAFTSaved but not scheduled ### Upload Image # Upload returns {id, path} curl -s -b /tmp/postiz-cookies.txt \\ 'https://postiz.home.mykuhlmann.com/api/media/upload-simple' \\ -F 'file=@/path/to/image.png' ### Use in Post "value": [{ "content": "Post with image", "image": [{"id": "MEDIA_ID", "path": "/uploads/..."}] }] ### Twitter/X Threads For longer content on X, create a thread: "value": [ {"content": "Tweet 1/3: Introduction to the topic...", "image": []}, {"content": "Tweet 2/3: The main point explained...", "image": []}, {"content": "Tweet 3/3: Conclusion and call to action.", "image": []} ] ### Delete Post curl -s -b /tmp/postiz-cookies.txt -X DELETE \\ 'https://postiz.home.mykuhlmann.com/api/posts/POST_ID' ### Update Schedule curl -s -b /tmp/postiz-cookies.txt -X PUT \\ 'https://postiz.home.mykuhlmann.com/api/posts/POST_ID/date' \\ -H 'Content-Type: application/json' \\ -d '{"date": "2026-02-06T10:00:00Z"}' ### Avoid Duplicates Always query existing posts before creating new ones Use unique identifiers in content (dates, specific references) Check both QUEUE and PUBLISHED states ### Scheduling Space posts at least 2-4 hours apart per platform Best times: 9 AM, 12 PM, 5 PM (audience timezone) Avoid posting same content to all platforms simultaneously ### Content Adaptation Don't just truncate! Rewrite for each platform: X: Hook + key insight + CTA LinkedIn: Context + value + engagement question Bluesky: Casual tech-friendly tone ### Helper Script Use scripts/post.py for easier posting with automatic character validation: # Single platform ~/.local/bin/uv run ~/clawd/skills/postiz/scripts/post.py \\ --platform x \\ --content "Your tweet here" \\ --schedule "2026-02-05T15:00:00Z" # Multi-platform with different content ~/.local/bin/uv run ~/clawd/skills/postiz/scripts/post.py \\ --x "Short X version" \\ --linkedin "Longer LinkedIn version with more detail" \\ --bluesky "Bluesky version" \\ --schedule "2026-02-05T15:00:00Z" ### Web UI Dashboard: https://postiz.home.mykuhlmann.com Visual calendar view Drag-and-drop scheduling Analytics and engagement stats ### 401 Unauthorized Re-run the login curl command to refresh cookie. ### Post Not Publishing Check state is QUEUE not DRAFT Verify date is in the future Check integration is still connected in UI ### Duplicate Posts Always check existing posts before creating. The API doesn't deduplicate automatically. ## Trust - Source: tencent - Verification: Indexed source record - Publisher: coolmanns - Version: 1.0.1 ## Source health - Status: healthy - Item download looks usable. - Yavira can redirect you to the upstream package for this item. - Health scope: item - Reason: direct_download_ok - Checked at: 2026-04-30T22:03:12.588Z - Expires at: 2026-05-07T22:03:12.588Z - Recommended action: Download for OpenClaw ## Links - [Detail page](https://openagent3.xyz/skills/postiz-ext) - [Send to Agent page](https://openagent3.xyz/skills/postiz-ext/agent) - [JSON manifest](https://openagent3.xyz/skills/postiz-ext/agent.json) - [Markdown brief](https://openagent3.xyz/skills/postiz-ext/agent.md) - [Download page](https://openagent3.xyz/downloads/postiz-ext)