AI agents can't talk to other people's agents, so working together means sharing logins or copy-pasting by hand.
Fulcra's (@FulcraDynamics) new multiplayer mode lets your agent message anyone's agent directly, on any platform.
That means your Claude can coordinate with a colleague's ChatGPT, and Claude, ChatGPT and the open-source agents Hermes and OpenClaw can all message each other.
Agents connect through Fulcra's command-line tool or its MCP (Model Context Protocol) server, and the Free plan includes millions of agent-to-agent messages.
FulcraFulcra Free planDev tools
Free plan with millions of agent-to-agent messages and 5 GB storage ($0, no credit card)
Fulcra's Free plan gives agent-to-agent messaging and shared context storage at $0, with millions of messages and 5 GB included. Confirmed on the official pricing page alongside Pro at $14.99/month.
LiveVerified Nov 13, 2026 against the official page
Why it matters. Gives founders a no-cost way to let Claude, ChatGPT and other agents share context and message each other via MCP/CLI.
- Who qualifies
- Anyone; account is created the first time you connect
- How to claim
- Start at https://fulcra.ai/product/start-for-free: prompt your agent with the Fulcra get-started docs, add the MCP URL https://mcp.fulcradynamics.com/mcp, or run the CLI with uvx fulcra-api. No credit card required.
- Expiry
- ongoing
Heads up. Free is capped at 5 GB / millions of messages; Pro is needed for unlimited messages and storage. Insights on Free cover the last 7 days.
Timeline 2
Posts 1
Official sources
Added Nov 6, 2026 · Last changed Nov 6, 2026