Postlyra
Draft, format, schedule and publish rich posts to Telegram channels with media and templates.
Postlyra connects to Telegram to let you compose beautifully formatted posts with images, schedule them for specific times, and publish to your channels and groups. Create drafts, manage templates, and track publication status.
Try asking Muse: "Create a formatted promotional post with images and schedule it to publish to my Telegram channel tomorrow at 2 PM."
Source: Found in the official MCP Registry (io.github.prof-1t/postlyra-mcp) · First listed September 25, 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: It does not ask you to sign in, so it cannot see your accounts. It only sees what Muse sends it from your request.
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://postlyra.app/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: 875ms. Worked in 100% of checks over 30 days.
Screening · September 25, 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 · 32
get_auth_statusUse this when you need to check whether the current MCP caller is authorized through Telegram and linked to a Postlyra account.get_formatting_capabilitiesUse this when composing or formatting any Postlyra post: call it FIRST, once per task. Postlyra creates beautifully structured rich Telegram posts, illustrated instructions, articles and presentations. Returns the complete RichDocument contract: exact JSON examples for every bloclist_channelsUse this when you need to list Telegram channels, groups, and chats the authorized user can manage through Postlyra.list_templatesUse this when the user wants an existing reusable Postlyra layout template. Optional for custom composition. For supported blocks, JSON syntax or formatting choices call get_formatting_capabilities; this tool lists saved templates and their ids.search_post_draftsUse this when finding an existing draft by topic, title or content. Search first when draftId is unknown; do not ask for a link. Matches all keywords/fragments in title and rich text, ignoring case. Empty query lists recent drafts. Follow nextCursor while hasMore. For an in-chat create_post_draftUse this when creating a Telegram draft. Read get_formatting_capabilities; prefer finished richDocument, which overrides text/preset/template. Bind mediaFile1..mediaFile6 or mediaFiles slots as media.src. Returns draftId, JPEG and public preview link. Display the image in the FINpreview_postUse this when requesting a saved draft screenshot, public browser preview or validation warnings. Find draftId with search_post_drafts. Returns documentJson/richHtml, JPEG and enables a public preview link. Use show_post_card for an in-chat card. Follow display.instruction; checkupdate_post_draftUse this when editing a draft. Read preview_post and get_formatting_capabilities. Send the complete edited richDocument, preserving untouched content and media; text replaces layout. Bind imported file slots as media.src. Returns JPEG and enables a public preview link. Display thattach_media_to_draftUse this when adding images without changing draft text. Pass mediaFile1..mediaFile6 or mediaFiles: six total, JPEG/PNG/GIF/WebP, 10 MiB each. Exact placement uses update_post_draft with richDocument slot bindings. Returns JPEG and enables a public preview link. Display the imagepublish_postUse this when the user explicitly authorizes publishing a reviewed existing Postlyra rich draft to a connected Telegram channel. Resolve channelId using list_channels, inspect preview_post, and supply confirmed=true plus confirmationText containing the user's authorization. Reuseget_workspaceUse when checking publication quotas, storage, connected chat count or the account time zone before planning content.update_workspaceUse when the author asks to change the account time zone, weekly publication target or content reminder preference. Does not change existing publication times.search_postsUse when finding any existing Postlyra post, including scheduled, published or archived content. Search owner content by words, status, connected channel and update dates. Read the selected post with get_post.get_postUse when reading an existing post and its current revision before editing. Returns the working document without enabling a public preview or publishing anything.show_post_cardUse this when the author asks to show a post card inside the chat or choose publication controls there. After search_posts or search_post_drafts, pass the found post ID as postId. Renders the MCP Apps UI with preview, text editing and scheduling. A screenshot or preview_post URL update_postUse when changing a post's working content, title, buttons or attention flag. Read its revision first. Scheduled and sent messages remain on their own snapshots until apply_post_to_publication is requested.copy_postUse when reusing an existing post as a new independent draft. Copies formatting, media and buttons; does not copy publication jobs or publish.archive_postUse when the author asks to archive a post and cancel its pending publications. Already delivered Telegram messages stay available. Restore later with restore_post.restore_postUse when restoring an archived Postlyra post as a working draft. Previously canceled publication jobs are not restarted.list_publicationsUse when inspecting scheduled publications, delivery failures or messages previously published by Postlyra. Returns publicationId for rescheduling, cancellation, targeted edits or deletion.schedule_postUse when the author explicitly asks to schedule a post to a connected channel or group. Supply an exact ISO date with UTC offset and an idempotency key. The server uses the shared publishing rules and stores an immutable delivery snapshot.reschedule_publicationUse when the author asks to change the date or time of one pending publication. Supply its publicationId and a concrete ISO date with UTC offset. Does not change its content.cancel_publicationUse when the author asks to cancel one pending publication. Preserves the source post and its history. A publication already being sent cannot be canceled.apply_post_to_publicationUse when the author explicitly asks to apply a working post revision to one selected scheduled or delivered Telegram publication. Other destinations stay unchanged. Read the post revision and publicationId first.delete_publicationUse only when the author explicitly asks to delete one message previously published by Postlyra. Supply its publicationId. The source post and messages in other destinations remain available.create_templateUse when the author asks to save a reusable post layout. Supply a name and RichDocument. Creates an owner-only template without publishing.update_templateUse when changing the author's saved template. System templates and other users' templates cannot be edited.delete_templateUse when the author asks to delete their saved template. Existing posts made from it are preserved.create_media_uploadUse when uploading a local image, video, document, audio or voice file from any MCP client. Returns a short-lived PUT URL, headers and uploadIntentId. Upload the actual bytes, then call finalize_media_upload. A local filesystem path cannot be read by the server.finalize_media_uploadUse after uploading bytes to the URL from create_media_upload. Verifies file content, size and ownership and returns a durable mediaId for attach_media. Expired or invalid uploads are rejected.attach_mediaUse when adding a finalized owner mediaId to a working post. Read the post revision first. Images, videos, audio and voice become media blocks; documents become file blocks. Does not publish or change existing delivery snapshots.get_content_attentionUse when reviewing unfinished drafts, formatting or media problems, lost publishing permissions, failed deliveries and gaps in the author's publication target. Does not read private Telegram Business conversations or send messages.Recent checks
Link
https://postlyra.app/mcpQuestions about Postlyra in Muse
How do I connect Postlyra to Muse?
Not in Muse's Connectors list yet, but Muse can still use it. Paste this into Muse: "Use Postlyra to help me. It is a free service with an MCP server at https://postlyra.app/mcp. It does not need an API key. 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 Postlyra working right now?
At the last check (September 28, 2026, 07:31 UTC) the endpoint was working, answering in 875ms. Over the last 7 days it answered 100% of health checks. It is checked every 15 minutes.
Is Postlyra safe to connect to Muse?
It was screened on September 25, 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 Postlyra do in Muse?
It exposes 32 tools, including get_auth_status, get_formatting_capabilities, list_channels, list_templates. For example, you could ask Muse: "Create a formatted promotional post with images and schedule it to publish to my Telegram channel tomorrow at 2 PM."
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