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Postmcp MCP server

by postmcp·io.github.postmcp/postmcp-mcp-server·v1.0.1

Publish and schedule posts to LinkedIn, X, Facebook, Instagram, Threads, Bluesky and YouTube Shorts.

B80/100grade B
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0 stars21 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Postmcp tools (16, 9 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • create_postwrite action

    Schedule or immediately publish a post to specific connected social profiles. Prefer targetAccounts so the post lands only on the profiles you name. Every targeted profile becomes its own post with its own id, so each can be edited, retried or cancelled on its own - the response lists them all. With publishImmediately, each delivered profile comes back with a `url` to the live copy; pass those on

  • delete_postwrite action

    Cancel and delete a scheduled or failed post from the database.

  • generate_image

    Generate an image for a post from a text prompt and return its hosted URL, ready to pass to create_post as mediaUrl. Pass a brandingId from list_brandings to match the workspace's visual style. Spends AI tokens.

  • get_account_health

    Report connections whose access token has expired or is about to, and which therefore need the user to reconnect. Check this before scheduling anything far out - a post scheduled onto a dead connection fails silently at publish time.

  • get_connected_accounts

    List every connected social profile in the workspace with the profileId needed to target it. Call this before creating a post so the post reaches the intended profile rather than every account on a platform.

  • get_postwrite action

    Fetch a single post by id, including per-profile delivery status, the live URL of each published copy, and the error for any profile that failed.

  • get_user_info

    Retrieve details of the logged-in user including subscription plan, credit balance, AI token count, the active workspace, and the caller's role in it.

  • list_brandings

    List the workspace's brand kits: tone of voice, audience, keywords, and reference style images. Use one to keep drafted copy on-brand, and pass its id to generate_image for on-brand visuals.

  • list_posts

    Retrieve scheduled, published, draft, and failed posts, newest first, with per-profile delivery status. Every profile that received a post carries `url`, the link to the live copy - give the user that link when they ask where a post went. Returns pagination plus counts per status.

  • list_workspaces

    List every workspace (project) the user belongs to, with the id to pass as workspaceId, the caller's role, and which one is the default. Call this first whenever the user mentions a client, brand, or workspace by name.

  • multicallwrite action

    Run several PostMCP tools in one request, in the order given. Use it whenever a task needs more than one call - scheduling a week of posts, checking accounts then publishing, or cancelling a handful of posts - instead of one round trip per call. Calls run sequentially and every tool name is validated before anything executes, so a typo cannot leave half a batch written. Cannot nest: a call inside

  • preflight_postwrite action

    Dry-run a post before creating it: checks copy against each platform's character limit, flags profiles that are not connected or need reconnecting, warns when a platform requires media, reports each target's video limit when a video is attached, and reports the credit cost against the workspace balance. Costs nothing and publishes nothing. Run this before create_post whenever the copy is long, car

  • publish_post_nowwrite action

    Broadcast an existing scheduled post immediately to its platforms. Also the way to retry a failed post: profiles that already received it are skipped, so only the stragglers go out. The returned post carries a `url` per delivered profile - report those links rather than only saying it published.

  • reschedule_postwrite action

    Move a post to a different date and time, keeping its copy and target profiles. A failed or draft post is re-armed by this and will go out at the new slot; profiles that already received it are not sent to again. Published posts and posts currently publishing cannot be moved.

  • reset_stuck_postwrite action

    Release a post left stuck mid-publish so it can be retried. Profiles that already went out keep their delivered state, so retrying afterwards will not double-post. Only use this on a post whose status is 'processing'; if it started publishing recently the call is refused unless force is true.

  • update_postwrite action

    Update the fields (content, target profiles, schedule date/time) of an existing post. To move a post to a different slot without touching anything else, use reschedule_post.

Public scan report

scanner v0.1.9 · 2026-09-20 · same rubric, same numbers if you re-run it

no findings
  • Code scan16 source files scanned25/25
  • Live reliabilityno gateway calls yet and no remote to proben/a
  • Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitystatic API keys via environment variables6/15
  • Maintenancelast push 6 days ago15/15
  • Maintainer identityregistry namespace matches repository owner6/10
Overall 80/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install directly

Runs npx -y @postmcpai/server on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add postmcp-mcp-server -- npx -y @postmcpai/server
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Postmcp: common questions

Is Postmcp MCP server safe?
Mostly: it is graded B (80/100). Read the Postmcp safety report
How do I install Postmcp?
It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Postmcp need an API key?
Yes. The registry entry asks for POSTMCPAI_API_KEY.
Is Postmcp maintained?
The last commit was 6 days ago (2026-09-14). The latest release is v1.0.1.
What can I use instead of Postmcp?
Servers from other publishers that do the same job: Chirpie MCP server, Mysocial MCP server and Upload-Post MCP server. Compare all Postmcp alternatives.

Alternatives to Postmcp

Same job from other publishers: the closest match first, then the best rated.

All Postmcp alternatives →
  • Chirpie
    Post, schedule, and track social posts on X, Bluesky, LinkedIn, Instagram and more from AI agents.
    A
  • Mysocial
    Social media MCP server: your Instagram, TikTok, YouTube, LinkedIn and Threads history for your AI.
    A
  • Upload-Post
    Social media MCP: publish, schedule & analyze posts on TikTok, Instagram, YouTube, LinkedIn & X
    A
  • PostLake
    Post, schedule, reply and measure across X, LinkedIn, Instagram, TikTok, YouTube, Threads, Bluesky
    A
  • Postwire
    One prompt, a native post per network: TikTok, Instagram, YouTube, LinkedIn, X. Free, no card.
    B

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