Buffer already runs its own MCP server, so the old "Postey is the only AI-agent scheduler" pitch is wrong on the facts. Here's an honest head-to-head across the four tools, including where the competitors are genuinely ahead.
Pricing, side by side
- Metricool: Free (1 brand, 20 posts/mo); Starter $20–$36/mo (up to 10 brands); Advanced $53–$159/mo (up to 50 brands).
- Buffer: Free (3 channels, 10 posts/channel); Essentials $5/channel/mo; Team $10/channel/mo.
- Later: no permanent free tier; Starter $18.75/mo; Growth $37.50/mo; Scale $82.50/mo (annual pricing).
- Postey: Free (1 account, 15 posts/mo, 5 drafts); Creator $9/mo (unlimited posts); Team $29/mo (20 accounts, 2 teams); Agency $49/mo (50 accounts).
Where each one genuinely wins
Metricool's edge is analytics, not scheduling. It's the only one of the four that bundles mature website and blog traffic analytics with social scheduling, plus deep competitor tracking. If the question is "which posts drove site traffic," Metricool has closed a gap the others haven't.
Buffer's edge is simplicity, and it has agent support, too. Buffer ships its own MCP server and an API aimed at agents and automation tools. Its AI Assistant handles repurposing and tone adjustment well. The weakness is per-channel pricing: you pay per channel with no volume discount, at least up to roughly ten channels.
Later's edge is Instagram and creator commerce. It has tracked 1B+ link-in-bio transactions, a level of specialization neither Metricool nor Buffer matches. The weakness: no confirmed MCP or agent integration, and post caps persist on paid plans.
Postey's edge is agent-first drafting as the default workflow, not a bolt-on. Describe a post to Claude or ChatGPT and Postey drafts it, adapts it per platform, and queues it across eight networks (X, LinkedIn, Instagram, Threads, Bluesky, Facebook, TikTok, YouTube) with a human confirmation step before anything goes live. It also has real-time multi-person co-editing and an X-specific Auto-RT and thread-finisher toolkit the other three don't offer.
The honest gaps
None of the other three ship a website-traffic or competitor-analytics module on par with Metricool's. And Later's creator-campaign and influencer-matching tooling has no equivalent on the other three.
How to actually pick
- Analytics and website traffic are the priority: Metricool.
- Instagram and creator commerce is the priority: Later.
- Simplicity, with real agent support: Buffer.
- Agent-driven drafting and publishing from a chat, across the most platforms: Postey.
"MCP support" alone doesn't decide this comparison anymore. All four are converging on AI features fast, so the deciding factor is the thing each one still does better than the others. Pick for the gap you're actually trying to close.
