Openpost MCP Server

An open-source alternative to Buffer, Canva, and CapCut. Write posts, design images and carousels, edit videos, and schedule your content in one app. It is available as a remote MCP endpoint.

Teams that work with social media, svelte and automation and want a hosted endpoint instead of running a local process. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-09-30 · ★ 636 · #13 OF 53 MAINTAINED SOCIAL MEDIA · VERIFIED 2026-09-30

AGPL-3.0 · TypeScript servers · how we verify → /methodology

01 · Install Openpost

Claude Code

claude mcp add getopenpost-openpost --transport http https://app.openpo.st/mcp

Claude Desktop / Cursor / VS Code - add to config

{
  "mcpServers": {
    "getopenpost-openpost": {
      "url": "https://app.openpo.st/mcp"
    }
  }
}

Same JSON for Cursor. For VS Code, rename the top-level key from `mcpServers` to `servers`.

Using another client? Same JSON, different key

Claude Desktop · mcpServers

Cursor · mcpServers

VS Code · servers

Windsurf · mcpServers

Zed · context_servers

Cline · mcpServers

Roo Code · mcpServers

Continue · mcpServers

LibreChat · mcpServers

Gemini CLI · mcpServers

Codex CLI · mcp_servers

Full setup guides: every client.

02 · Evidence

https://app.openpo.st/mcp

transport: streamable-http

endpoint alive - authentication required · probed 2026-09-30

Security posture

What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.

runs as remote - your agent's requests go to app.openpo.st

endpoint auth requires authentication - rejected our unauthenticated MCP initialize

license AGPL-3.0 - declared in the repository

registry registry publisher io.github.rodrgds is not the repo owner (getopenpost) - the registry entry was published by someone else

03 · What Openpost can do

Prose above is summarized from the project's README and registry record - no invented capabilities.

Latest releases

v7.6.1 · 2026-09-30

Security · Update locked brace-expansion build dependencies to versions that fix the reported denial-of-service flaws. · Improved · Add polls from an icon beside the composer media button, keeping the writing area clear.

v7.5.2 · 2026-09-29

Fixed · Updated the Android app's Expo dependencies to the supported SDK patch versions. · Prevent blank Video Editor preview frames at cuts by preparing adjacent clips before playback reaches them. · Resume preview…

v7.4.2 · 2026-09-29

Fixed · Keep generated captions aligned in preview and export when their source clip starts later in the timeline. Trim exported captions to the retained clip. · Fix Motion ruler seeking and preserve authored…

04 · Who maintains Openpost

openpost is maintained by getopenpost. It's the only MCP server we track from this author; the repo dates to Mar 2026.

05 · Facts

repository: github.com/getopenpost/openpost
website: https://docs.openpo.st/mcp/
category: social media - ranked #13 of 53 actively-maintained social media servers as of 2026-09-30.
release cadence: 10+ releases in the last 90 days (latest 2026-09-30)
registry: io.github.rodrgds/openpost (active, first published 2026-07-26 · 3 versions)

06 · Openpost FAQ

What is Openpost?

An open-source alternative to Buffer, Canva, and CapCut. Write posts, design images and carousels, edit videos, and schedule your content in one app. It is available as a remote MCP endpoint.

Is Openpost still maintained?

Yes - as of 2026-09-30, its last commit was 2026-09-30 and it shipped 10+ releases in the last 90 days. We re-verify nightly.

How do I install Openpost?

Run `claude mcp add getopenpost-openpost --transport http https://app.openpo.st/mcp`. You can also paste the ready-made client config above.

Does Openpost require authentication?

Yes - when we probed the endpoint on 2026-09-30, it rejected an unauthenticated MCP initialize; you'll need credentials to connect.

07 · Alternatives to Openpost

Alternatives to Openpost

Maintained social media servers if Openpost isn't the fit.

More social media MCP servers · gtm-api: LinkedIn MCP Server · HasData TikTok · PullPush Reddit

More TypeScript MCP servers · Rephonic · Sentry MCP · Xcode Build MCP · Squish · Weckr · see all