Koskamo

postmoderno MCP

An MCP-first social media scheduler that allows AI agents to draft, schedule, and publish posts to Bluesky, Mastodon, X/Twitter, and LinkedIn via natural language commands without requiring a traditional dashboard interface.

Visit postmoderno

Endpoint and access

OAuth sign-in: the first time you connect, your client opens the vendor's own authorization prompt in a browser.

postmoderno MCP logo, by postmodernoVendor evidenceStreamable HTTPOAuth sign-inEndpoint checked 2026-11-01Operated by postmoderno
You need:The free plan needs no card.OAuth or app password.ChatGPT, Claude and Codex send you here to sign in and switch on what they may do; other clients take a token you mint in the app.
MCP endpoint (Streamable HTTP)
https://mcp.postmoderno.io/mcp
Vendor documentation

What you can do with it

  • Draft and schedule social media posts via AI agent conversation
  • Publish content to multiple platforms including Bluesky and LinkedIn
  • Manage posting calendar and queue through MCP tools

Source and maintenance

Vendor evidenceRegistry 1.0.0
mcp-registry: io.postmoderno/postmoderno@1.0.0Project website

Tools

Reported by the attributed source; not independently observed by Koskamo.

No tool definitions available.

30-day availability

Aggregated from read-only remote checks; this is not a tool-execution or security guarantee.

Successful checks
1 of 1 (100%)
Average latency
1089 ms
95th percentile latency
1089 ms

Maintenance history

Public check and source-refresh events. Editorial and ownership records remain private.

  • · probe · passed · 1089 ms · metadata changed · refuses unauthenticated initialize (HTTP 401)

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers the remote server. Use --scope project to write .mcp.json for the repo.
Claude Code configuration
claude mcp add --transport http postmoderno-mcp https://mcp.postmoderno.io/mcp

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).
Codex configuration
codex mcp add postmoderno-mcp --url https://mcp.postmoderno.io/mcp

Cursor

Merge this server into .cursor/mcp.json in your project, then enable postmoderno-mcp in your MCP settings.
Cursor configuration
{
  "mcpServers": {
    "postmoderno-mcp": {
      "url": "https://mcp.postmoderno.io/mcp"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure).
Cline configuration
{
  "mcpServers": {
    "postmoderno-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.postmoderno.io/mcp",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start postmoderno-mcp and inspect its tools.
VS Code configuration
{
  "servers": {
    "postmoderno-mcp": {
      "type": "http",
      "url": "https://mcp.postmoderno.io/mcp"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.
Gemini CLI configuration
gemini mcp add --transport http postmoderno-mcp https://mcp.postmoderno.io/mcp

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.
Claude Desktop configuration
{
  "mcpServers": {
    "postmoderno-mcp": {
      "url": "https://mcp.postmoderno.io/mcp"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.
Windsurf configuration
{
  "mcpServers": {
    "postmoderno-mcp": {
      "serverUrl": "https://mcp.postmoderno.io/mcp"
    }
  }
}

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