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ChatGPT / OpenAI icon+Posttu logoPosttu MCP for ChatGPT & Codex • Automated Social Operations

Operate your entire social media calendar directly within ChatGPT

Harness ChatGPT’s advanced reasoning and Codex CLI’s developer speed to streamline your social media presence. Draft cross-platform campaigns, rebalance posting schedules, and audit content metrics across 16+ networks through Posttu’s first-party Model Context Protocol server.

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Streamable HTTP MCP
Model Context Protocol

First-party MCP server built for ChatGPT and Codex

Equip ChatGPT and Codex CLI with native workspace tools to inspect your social queue, create posts, schedule media, and run analytics across 16+ platforms using open standards.

  • Stateless HTTP MCP transport over https://posttu.com/api/v1/mcp
  • Full dual support for ChatGPT web/desktop apps and the Codex terminal CLI
  • Isolated OAuth 2.1 access tokens with granular workspace authorization
ChatGPT / OpenAI icon
ChatGPTMCP
Posttu Workspace Server • Connected
Verify workspace connection

Audit my connected Posttu channels and confirm my publishing permissions.

Connected to your Posttu workspace via Streamable HTTP MCP. Active publishing surfaces:

Connected to Posttu • 4 channels verified
posttu_verify_connection
LinkedIn:
Northwind HQ (Company Page)Full publishing rights
X (Twitter):
@northwindhqFull publishing rights
Instagram:
@northwind_hqBusiness account active
YouTube:
Northwind StudiosShorts & Community ready
Connected via Model Context Protocol 2026-07-28POST /api/v1/mcp
Multi-channel synthesis

One creative brief, customized posts for every social feed

Stop manually rewriting the same announcement. ChatGPT writes native copy respecting character limits, cultural norms, and visual formats for each social network.

  • Network-specific copy adaptation for LinkedIn, X, Instagram, and more
  • Interactive post preview before committing to the schedule
  • Flexible routing to draft status or direct calendar scheduling
ChatGPT / OpenAI icon
ChatGPTMCP
Posttu Workspace Server • Connected
Synthesize notes into campaigns

Convert our feature release notes into an integrated launch campaign and schedule it for Monday at 10:00 AM on LinkedIn and X.

I synthesized your release notes into network-optimized posts and scheduled them on your Posttu calendar:

2 campaign posts scheduled on Posttu calendar
posttu_create_post
LinkedIn (Monday 10:00 AM):
Technical case study on architecture improvements with benchmark graphsDraft approved
X (Monday 10:00 AM):
3-part headline thread with direct link to developer documentationSequenced thread
Calendar alignment:
Placed in peak morning engagement windowAuto-timed
Connected via Model Context Protocol 2026-07-28POST /api/v1/mcp
Conversational analytics

Data-backed content refinement directly in the chat

End the friction of toggling between multiple social dashboards. Ask ChatGPT which hook generated the most conversions, then immediately queue new variations based on historical engagement patterns.

  • Cross-network aggregation across all connected channels
  • Instant ROI attribution and referral link click tracking
  • Conversational suggestions for content recycling and reposting
ChatGPT / OpenAI icon
ChatGPTMCP
Posttu Workspace Server • Connected
Audit campaign metrics

Evaluate our launch campaign performance across all networks this week.

Here is your cross-platform performance summary compiled from Posttu:

Campaign performance report compiled from Posttu
posttu_get_analytics
Aggregate reach:
154,200 impressions+48% vs 30-day baseline
Top network:
LinkedIn: 980 reactions • 154 comments • 340 doc clicks6.8% CTR
X engagement:
52,800 impressions • 740 likes • 126 repostsPeak: Monday 10:15 AM
Action item:
Repurpose the LinkedIn architectural graphic for Threads tomorrowOpportunity identified
Connected via Model Context Protocol 2026-07-28POST /api/v1/mcp

Plan, schedule, and refine your content inside ChatGPT

Bring the full power of your Posttu social publishing stack into every ChatGPT conversation and terminal session.

Conversational queue management

Add, reorganize, or pause posts in your publication pipeline with simple natural language prompts.

Long-form content recycling

Transform blog posts, Notion docs, and product updates into cohesive multi-day posting schedules.

Reschedule and edit posts

Move scheduled posts, pause upcoming queues, or update copy across multiple platforms at once.

Smart asset pairing

Ask ChatGPT to inspect your Posttu asset library and match high-performing visuals to your drafts.

Conversion & click attribution

Gauge link clicks, audience engagement, and referral traffic generated by your scheduled updates.

Codex CLI & IDE support

Commit code and schedule release announcements directly from your developer terminal.

Post to 16+ platforms from ChatGPT

Posttu’s first-party Model Context Protocol server lets ChatGPT 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 ChatGPT in three steps

Whether using ChatGPT or the Codex CLI, connecting takes less than two minutes.

1

Add Posttu as an MCP app

In ChatGPT or Codex settings, add Posttu’s Streamable HTTP MCP server:

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

Sign in and select your workspace

Authenticate securely via OAuth 2.1 and grant permission to schedule posts and inspect analytics for your brand.

3

Start issuing social commands

Ask ChatGPT: “Review my calendar for next week and add 3 posts announcing our feature release.”

ChatGPT integration FAQs

Common questions about using Posttu with ChatGPT and the Codex CLI.

How do I connect Posttu to ChatGPT?
Add Posttu’s MCP endpoint (https://posttu.com/api/v1/mcp) to your ChatGPT client or MCP settings. You will be redirected to Posttu to log in via OAuth 2.1 and select which workspace to connect.
Does Posttu work with the Codex CLI as well as ChatGPT?
Yes! Posttu implements the official MCP 2026-07-28 standard. You can configure Posttu in your config.toml and authenticate directly from your terminal using `codex mcp login posttu`.
Is my Posttu data used to train AI models?
No. Posttu does not sell or share your workspace data or social drafts for AI model training. Your data is accessed strictly to fulfill your explicit tool requests.
What permissions does ChatGPT have in my workspace?
You control the granted scopes during the OAuth 2.1 handshake. You can grant read-only access (for analytics), draft-only access, or full scheduling privileges across selected channels.
Can I revoke ChatGPT’s access at any time?
Yes. In your Posttu settings under Developer > Connected AI Agents, you can revoke access instantly, invalidating all associated OAuth tokens.
Does connecting ChatGPT to Posttu cost extra?
No. Posttu includes full MCP server access in every plan with no extra per-seat or per-request surcharges.

Have questions about custom agent setups? Explore our MCP documentation

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Streamline your publishing with ChatGPT and Posttu

Connect Posttu to ChatGPT and Codex to automate social publishing and analytics across 16+ platforms.

Start 7-day free trial
x
instagram
threads
tiktok
youtube
linkedin
pinterest
facebook
reddit
bluesky
mastodon

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