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 single binary, social media and svelte and want a hosted endpoint instead of running a local process. The project is written in TypeScript.

VERIFIED ACTIVE

LAST COMMIT 2026-09-18 · ★ 566 · #15 OF 47 MAINTAINED SOCIAL MEDIA · VERIFIED 2026-09-18

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 2026-09-18

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

v4.35.0 · 2026-09-17

Fixed · The instance Discord bot now rotates its presence through all four activities every few seconds instead of sitting on one for half an hour. · Searching for a PieFed community when choosing a post destination…

v4.34.2 · 2026-09-16

Fixed · Release announcements now fire on publication itself, so a skipped or retried pipeline step can no longer drop the Discord announcement. · Server-only releases publish without waiting on the skipped Android…

v4.34.1 · 2026-09-16

Changed · Show the live OpenPost GitHub star count beside the wordmark on the public landing navigation. · Fixed · Analytics for Lemmy and PieFed accounts now lists only posts the connected account wrote, instead of…

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 #15 of 47 actively-maintained social media servers as of 2026-09-18.
release cadence: 10+ releases in the last 90 days (latest 2026-09-17)
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 2026-09-18, its last commit was 2026-09-18 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 2026-09-18, 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 · HasData TikTok · PullPush Reddit

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