Postbase MCP Server

by postbasehq Your server? Claim it

answering

Postbase is answering right now. Last checked 9 min ago. 441 installs a week from npm. Last commit 10 Oct 2026.

Schedule social posts, threads and video to X, LinkedIn, Bluesky, Mastodon and YouTube from your AI.

Installs per day peak 172 · avg 24 · +6214% w/w

a month agotoday

Uptime history 10 days of history · worst day 29%

10 days agonow

100.0%

Uptime 24h

92 of 92 checks

—

Tools

hidden behind auth

293 ms

Response time

average over 24h

441

Installs / week

npm and PyPI

Postbase does not always answer

Over the last week it answered 89.8% of our checks. We check every 15 minutes, so you hear about the next outage within the hour — not from your users.

Connect this server

Endpoint below is the one we actually reach during checks — not the one copied from a README. Last verified 9 min ago.

Claude Code Claude Desktop Codex Cursor VS Code

run in your terminal

claude mcp add postbase --transport http https://mcp.postbase.so/mcp

~/Library/Application Support/Claude/claude_desktop_config.json

{
  "mcpServers": {
    "postbase": {
      "url": "https://mcp.postbase.so/mcp"
    }
  }
}

~/.codex/config.toml

[mcp_servers.postbase]
url = "https://mcp.postbase.so/mcp"

.cursor/mcp.json

{
  "mcpServers": {
    "postbase": {
      "url": "https://mcp.postbase.so/mcp"
    }
  }
}

.vscode/mcp.json

{
  "mcpServers": {
    "postbase": {
      "url": "https://mcp.postbase.so/mcp"
    }
  }
}

This one needs environment variables set before it will start: POSTBASE_API_KEY (API key from Postbase → Developers), POSTBASE_API_URL (API base URL, for self-hosted instances (default https://www.postbase.so/api/v1)). The author declared them in the registry entry; get the values from the project itself.

This endpoint answered with an authorization challenge. The server is running, and it signs you in through your browser: there is no API key to paste.

Endpoints

URL	Transport	State	Latency	Checked
https://mcp.postbase.so/mcp	streamable-http	sign-in	204 ms	9 min ago

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Postbase — questions

Answers built from our own checks of this server.

Why is there no tool list for Postbase?

The server answered our handshake with an authorization challenge, so it is running — but it will not describe its tools to an anonymous client. To see them you need to connect with your own credentials. We record it as alive, not as broken: 100.0% of checks in the last 24 hours got a reply.

Is Postbase working right now?

We send a real MCP handshake every 15 minutes. Over the last 24 hours 92 of 92 checks got a reply (100.0%), average response time 293 ms. The bar chart above shows every period we have measured.

How do I connect Postbase?

Copy the ready config from this page — we generate it for Claude Code, Claude Desktop, Codex, Cursor and VS Code, each with the file path that client actually reads. It is a remote server, so there is nothing to install — the client connects to the address. You sign in through your browser once and the client keeps the session: no key to copy, and it refuses anonymous clients.

How do you sign in to Postbase?

No API key is involved. Postbase answers our knock with an OAuth challenge, so you authorise it once in your browser and the client keeps the session. That is also why we see no tool list: it will not describe itself to an anonymous client, and that is the server working as intended, not a fault.

How fast is Postbase?

It answers our handshake in 293 ms on average, which is faster than 45% of all working MCP servers we measure. The comparison comes from our own checks across the whole registry, every 15 minutes.

How many people use Postbase?

The npm package @postbasehq/mcp was installed 441 times in the last week. Week over week that is +6214%. We show installs rather than GitHub stars on purpose: a star is a bookmark, an install is someone actually running it.

Is Postbase open source?

Yes — it is published under the AGPL-3.0 licence, written in TypeScript and 7 stars on GitHub. The source link is on this page, so you can read exactly what it does with your data before you connect it.