Postlia
Schedule and publish social posts to 7 networks from AI agents
Postlia lets Muse schedule and publish posts to LinkedIn, Bluesky, Instagram, TikTok, Pinterest, YouTube and other networks. Create, edit, reschedule posts, upload media, check delivery status and view analytics. Requires Postlia Pro API key.
Try asking Muse: "Schedule a carousel post to Instagram and LinkedIn for tomorrow at 9 AM with different captions for each platform"
Source: Found in the official MCP Registry (com.postlia/postlia) · First listed September 24, 2026
Last 24 hours
Each bar is one check, every 15 minutes. Green means it answered. Last checked 2 h ago.
Is it safe to connect?
What Muse can see: You sign in to your own account with it, so Muse can reach what that account allows. Read what it asks for before you agree.
Before it acts: Read what Muse plans to do before you approve it, and remove the app from Muse when you stop using it.
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How to add it to Muse
Not in Muse's Connectors list yet, but Muse can still use it. Copy the request below and paste it into Muse. Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
https://postlia.com/api/mcpNot in Muse's Connectors list yet. Muse can still use it: its page gives you a request to paste into Muse.
Technical details: safety screening, tools, response time and recent checks
Response time at the last check: 196ms. Worked in 100% of checks over 30 days.
Screening · September 24, 2026
Screened, no issues found
Screening looks for known threats and hidden instructions at the time of the check, and runs again weekly and whenever the tool list changes. It cannot see the server's code, so only connect what you need and review what Muse asks to do. How screening works.
Tools · 15
list_accountsList the connected social accounts on this Postlia workspace.list_scheduled_postsList upcoming scheduled posts.create_postCreate a post. Provide scheduledAt (ISO datetime) to schedule, queue=true for the next open queue slot, or neither to post within ~5 minutes. Media platforms (instagram, tiktok, pinterest, youtube) need mediaUrl/mediaUrls from upload_media; tiktok/pinterest/youtube also need theicancel_postCancel a scheduled post by id.upload_mediaPull an image or video from a public https URL into Postlia storage. Returns the storage URL and media type, ready for create_post. PNG, JPEG, WebP, GIF, MP4, WebM, MOV, max 25 MB.get_post_receiptDelivery receipt for a post: per-platform outcome (published/failed/retrying/pending), platform post ids, and the platform's real error text. Use this to VERIFY a post actually went live instead of assuming. Accepts the id from create_post or from list_published_posts.list_published_postsRecent post history with per-post outcome status and any platform errors.get_posting_quotaThe posting quota that will actually be enforced: tier, posts used, limit and remaining. Check this before composing a batch instead of discovering the limit via errors.reschedule_postMove a pending scheduled post to a new future time (ISO datetime).update_post_contentRewrite a pending scheduled post's text. Platform character limits are enforced.list_draftsList saved drafts (not scheduled, cost no quota).create_draftSave a draft for later without spending posting quota.delete_draftDelete a draft by id.get_queue_infoThe posting schedule (timezone + weekly slots) and the next open queue slots, i.e. when a create_post with queue=true would actually publish.get_analytics_summaryPost-outcome summary over the last N days: totals, published/partial/failed counts, per-platform volume, and recent platform errors.Recent checks
Link
https://postlia.com/api/mcpQuestions about Postlia in Muse
How do I connect Postlia to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Postlia to help me. It is a free service with an MCP server at https://postlia.com/api/mcp. It needs an API key from Postlia; ask me to enter it through your secure credential prompt. Ask me before you share anything with it." Muse asks before it shares anything with the app's site. Meta does not review apps used this way, so only use ones you trust. We tested this in the Muse app on September 24, 2026: Muse used an app's link directly this way and returned a live answer.
Is Postlia working right now?
At the last check (September 28, 2026, 07:45 UTC) the endpoint was working, answering in 196ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is Postlia safe to connect to Muse?
It was screened on September 24, 2026 with the result "screened, no issues found". Screening checks the domain against threat feeds and reads the tools for hidden instructions and requests for passwords or card numbers. It cannot see the server's code, so grant only the access you need.
What can Postlia do in Muse?
It exposes 15 tools, including list_accounts, list_scheduled_posts, create_post, cancel_post. For example, you could ask Muse: "Schedule a carousel post to Instagram and LinkedIn for tomorrow at 9 AM with different captions for each platform"
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