MCP.Market

PostPen MCP server

online · 96% uptime
by postpen.ai·ai.postpen/postpen·v1.0.0
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Schedule and publish LinkedIn posts to profiles and company pages from AI agents.

B77/100grade B
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Safety scan
B77/100

full report

Adoption
New

Little public usage data yet

Reviews

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

PostPen tools

Tool list not cached yet. `describe` through the gateway fetches it live.

Public scan report

scanner v0.1.10 · 2026-10-01 · same rubric, same numbers if you re-run it

1 low
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 1006ms (auth required)20/20
  • –Tool poisoningtools not inspected (endpoint requires auth); not countedn/a
  • Auth qualityOAuth resource metadata advertised on 40115/15
  • Maintenanceno repository listed3/15
  • Maintainer identityendpoint served from the registry-verified namespace domain8/10

Findings (1)

  • lowNo source repository listedmaint.no-repo
Overall 77/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How PostPen compares

Against every graded Sales and outbound MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
77/100
higher than 50% of 876 Sales and outbound servers
Uptime
96%
of our recent checks; the typical remote Sales and outbound server answers 100%
Response time
615 ms
faster than 23% of 671 Sales and outbound servers

Install PostPen in Claude Code, Cursor or VS Code

claude mcp add --transport http postpen https://mcp.postpen.ai
Add to Cursor

PostPen: common questions

Is PostPen MCP server safe?
Mostly: it is graded B (77/100). Read the PostPen safety report
How do I install PostPen?
It runs remotely at mcp.postpen.ai. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does PostPen need an API key?
No key to paste: it signs you in with OAuth when your client connects.
Is PostPen maintained?
The latest release is v1.0.0.
Is PostPen up?
96% of our last 28 checks got an answer. We check remote servers about four times a day.
What can I use instead of PostPen?
Servers from other publishers that do the same job: Postbase MCP server, Chirpie MCP server and Upload-Post MCP server.
How does PostPen compare with other Sales and outbound MCP servers?
safety score 77/100 (higher than 50% of 876 Sales and outbound servers); uptime 96% (of our recent checks; the typical remote Sales and outbound server answers 100%); response time 615 ms (faster than 23% of 671 Sales and outbound servers). Full comparison.

Alternatives to PostPen

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

  • Postbase
    Schedule social posts, threads and video to X, LinkedIn, Bluesky, Mastodon and YouTube from your AI.
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  • Chirpie
    Post, schedule, and track social posts on X, Bluesky, LinkedIn, Instagram and more from AI agents.
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  • Upload-Post
    Social media MCP: publish, schedule & analyze posts on TikTok, Instagram, YouTube, LinkedIn & X
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  • ViralNote
    Schedule, publish, and analyze social posts on TikTok, Instagram, YouTube, X, Threads, LinkedIn.
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  • Publora
    Schedule and publish to 10 social platforms: LinkedIn, X, Instagram, TikTok, YouTube, and more.
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