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Grok icon+Posttu logoPosttu MCP for Grok • Real-Time Social Publishing

Turn live Grok conversations into published social campaigns

Grok is where sharp commentary and real-time discussions ignite. Connect Posttu via Model Context Protocol to compose structured X threads, schedule content across 16+ social networks, and track live audience traction without leaving your chat.

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Streamable HTTP MCP
Model Context Protocol

Native MCP connectivity engineered for xAI Grok

Connect your Posttu workspace to Grok with seamless OAuth 2.1 authentication. Grok gains authorized access to inspect your content pipeline, create drafts, and monitor post performance without exposing sensitive API credentials.

  • Stateless HTTP transport connected to https://posttu.com/api/v1/mcp
  • Granular OAuth 2.1 permission scopes with instantaneous revocation
  • Verified publishing across connected business and creator accounts
Grok icon
GrokMCP
Posttu Workspace Server • Connected
Verify connected channels

Check my active publishing channels in Posttu and confirm permissions.

Authenticated with your Posttu workspace via Model Context Protocol. You have 3 channels verified and ready to publish:

Connected to Posttu • 3 channels authenticated
posttu_list_accounts
X (Twitter):
@northwindhqFull publishing access
Threads:
@northwindhqVerified channel
Bluesky:
northwind.bsky.socialVerified channel
Connected via Model Context Protocol 2026-07-28POST /api/v1/mcp
Conversational distribution

From spontaneous thoughts to multi-network campaigns

Turn brainstorming sessions into published reality. Grok handles character constraints, formats multi-part threads, pairs relevant screenshots, and schedules updates for optimal time slots.

  • Multi-tweet thread composition with media attachments
  • Simultaneous syndication to Threads, Bluesky, and LinkedIn
  • Flexible routing to draft status or immediate calendar scheduling
Grok icon
GrokMCP
Posttu Workspace Server • Connected
Compose and queue threads

Draft a 4-part release thread on our vector search upgrade and schedule it for tomorrow at 9:00 AM on X and Threads.

I structured your product announcement into an engaging thread and scheduled it on your Posttu calendar:

Thread scheduled on Posttu calendar
posttu_create_post
X (Tomorrow 9:00 AM):
4-tweet thread: “How we reduced query latency by 85%”Media attached
Threads (Tomorrow 9:00 AM):
Cross-posted narrative summary with benchmark chartAuto-synced
Calendar status:
Queued for automated publicationEditable anytime
Connected via Model Context Protocol 2026-07-28POST /api/v1/mcp
Actionable intelligence

Instant audience signals without navigating complex dashboards

Ask Grok how your social presence is pacing. Posttu feeds verified impression figures, repost velocity, and audience retention rates back into the conversation for rapid editorial iteration.

  • Real-time tracking of impressions, likes, reposts, and bookmark saves
  • Algorithmic content retrospective identifying your strongest hooks
  • Follower momentum and audience retention reporting
Grok icon
GrokMCP
Posttu Workspace Server • Connected
Review live performance

Which of our X posts generated the most engagement this week?

Here is your traction breakdown synthesized directly from Posttu:

Weekly analytics compiled from Posttu
posttu_get_analytics
Top performer:
Database migration thread (posted Tuesday)Top 1% reach
Traction:
92,400 impressions • 1,340 likes • 118 reposts5.2% engagement rate
Audience gain:
+174 net-new followers acquired from threadStrongest growth day
Takeaway:
Technical problem-solving narratives outperform feature list announcements by 3.8xActionable insight
Connected via Model Context Protocol 2026-07-28POST /api/v1/mcp

Orchestrate your entire social presence directly within Grok

Command your publishing pipeline in natural language. Grok drafts, schedules, reschedules, and reports across every profile in your Posttu workspace.

Multi-part thread architect

Compose narrative threads on X with custom pacing, numbering, and media attachments handled automatically.

Real-time trend distribution

Capitalize on breaking industry moments by drafting and deploying authoritative commentary while topics trend.

Link-to-campaign distillation

Drop a blog post or research paper URL into Grok to produce a formatted social campaign in seconds.

Media vault integration

Instruct Grok to search your Posttu media library and attach relevant graphics or video clips to your posts.

Granular engagement audits

Examine engagement rates, link click-throughs, and quote-tweet conversations without leaving your prompt.

Audience momentum tracking

Identify which specific discussions drove the highest subscriber and follower growth over the past 30 days.

Post to 16+ platforms from Grok

Posttu’s first-party Model Context Protocol server lets Grok schedule, format, and analyze content across your connected channels from one central hub.

x
x
reddit
reddit
tiktok
tiktok
instagram
instagram
facebook
facebook
threads
threads
bluesky
bluesky
mastodon
mastodon
youtube
youtube
snapchat
snapchat
linkedin
linkedin
pinterest
pinterest

Connect Posttu to Grok in three simple steps

Link your accounts once, and manage your entire publishing schedule conversationally.

1

Register Posttu’s MCP connector

In Grok’s connector configuration, supply Posttu’s Streamable HTTP MCP server URL:

https://posttu.com/api/v1/mcp
2

Authorize your Posttu workspace

Sign in to Posttu via OAuth 2.1, select your brand workspace, and approve scopes for social publishing and analytics.

3

Issue your first publishing instruction

Instruct Grok: “Schedule an educational thread on our latest update for tomorrow at 9:00 AM on X and Threads.”

Grok integration FAQs

Clear answers about connecting Grok to Posttu via Model Context Protocol.

How does Grok communicate with my Posttu workspace?
Grok connects using the open Model Context Protocol (MCP) standard through Posttu’s first-party endpoint (https://posttu.com/api/v1/mcp). All communication is encrypted and governed by OAuth 2.1 tokens, ensuring Grok never has direct custody of your social media passwords.
Can Grok schedule multi-tweet threads on X?
Yes. Grok can draft, sequence, and schedule multi-tweet threads of 10+ posts with media attachments and custom time intervals. You can inspect or modify the scheduled thread on your Posttu calendar at any time before it publishes.
Does Grok publish directly to social networks or through Posttu?
All requests route strictly through Posttu’s publishing engine. Posttu manages official platform rate limits, token refreshes, and delivery schedules to ensure safe, compliant publishing.
Can I require team review before Grok’s drafts go live?
Yes. You can instruct Grok to save posts as drafts or submit them to your Posttu workspace approval queue, ensuring human sign-off before anything is published.
How do I revoke Grok’s access to my Posttu accounts?
You can disconnect Grok instantly at any time from your Posttu dashboard under Settings > Developer > Connected AI Agents.
Is there an additional charge for using Grok with Posttu?
No. First-party Model Context Protocol server access is included in every Posttu subscription, including your 7-day free trial.

Have questions about custom agent setups? Explore our MCP documentation

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Accelerate your social workflow with Grok and Posttu

Connect Grok to Posttu today and turn conversational thinking into published social reach across 16+ channels.

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x
instagram
threads
tiktok
youtube
linkedin
pinterest
facebook
reddit
bluesky
mastodon

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