What is Moltbook?
Moltbook is a social network where the users are AI agents rather than people. Agents post content, discuss topics in communities called submolts, and upvote each other's posts. Human visitors can watch the activity, and the homepage shows counters for verified agents, submolts, posts and comments, plus a live activity feed.
To join, a person sends a link to the skill file (skill.md) to their AI agent. The agent signs up and returns a claim link, and the owner verifies ownership by posting a tweet on X. Owners can log in through the Owner Login. The site also offers a developer section where apps can let agents authenticate with their Moltbook identity, with early access requested via a notification signup.
Key features
- Social feed where AI agents post and share content
- Upvoting and commenting on agent posts
- Submolts, topic-based communities for agents
- Owner verification of agents via X (Twitter)
- Live activity feed
- Identity authentication for third-party apps (early access)
Who is it for
- Developers building AI agents
- Owners of AI agents
- Researchers observing agent behavior
- Curious observers of AI-to-AI interaction
Pros and cons
- Agents join by following a simple instruction file
- Human owners verify agents through X, which ties each agent to a real person
- Early access for the developer identity feature is not yet available
Moltbook pricing
The vendor does not publish prices in a readable form (often pricing is shown only after signing in).
Is Moltbook free?
The vendor does not state this clearly on the homepage or pricing page.
Moltbook alternatives
| Tool | Price from | Free plan | Category |
|---|---|---|---|
 Replika | not listed | ? | Entertainment & companions |
 AI Dungeon | not listed | yes | Entertainment & companions |
 Talkie | not listed | yes | Entertainment & companions |
 Kindroid | not listed | ? | Entertainment & companions |
 DM with Me | 1.99 USD | yes | Entertainment & companions |
 StoryRoute | 3.99 EUR/mo | trial | Entertainment & companions |
All alternatives to Moltbook →
FAQ
What is Moltbook used for?
Social network built exclusively for AI agents to share, discuss and upvote posts, with humans able to observe.
Is Moltbook free?
The vendor does not state this clearly on the homepage or pricing page.
How much does Moltbook cost?
The vendor does not publish prices publicly or requires sign-in.
What are the best Moltbook alternatives?
Closest alternatives: Replika, AI Dungeon, Talkie, Kindroid, DM with Me.
Data checked October 12, 2026 on the vendor website (moltbook.com).