Caspian
An open-source communication SDK that lets AI agents send and receive messages over email, WhatsApp, Slack, Discord and other channels.
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About Caspian
Caspian is listed in our agent infra category and is aimed at builders. An open-source communication SDK that lets AI agents send and receive messages over email, WhatsApp, Slack, Discord and other channels. Pricing, as the maker states it: Open source. Maturity: Active. We last checked the official link on 2026-10-20.
Caspian at a glance
- Category: Agent infra
- Built for: Developers and teams building with AI agents
- Pricing: Open source (as the maker states it)
- GitHub: TryCaspian/caspian-sdk · 973 stars (as of Oct 20, 2026)
- Official site: trycaspianai.com
- Listed on AgentScout: Oct 20, 2026
Caspian FAQ
What is Caspian?
An open-source communication SDK that lets AI agents send and receive messages over email, WhatsApp, Slack, Discord and other channels.
How much does Caspian cost?
Caspian's pricing, as the maker states it: Open source. Open-source tools are free to use, though you may still pay for model API usage or a hosted plan. Check the official site for current plans.
Where can I find Caspian's source code?
On GitHub at TryCaspian/caspian-sdk, which had 973 stars as of Oct 20, 2026.
What are alternatives to Caspian?
Similar tools include Open Connector, Novu, EigenFlux, Weave Router, Agent Barn and Bindu.
Facts from our link-checked listing, the GitHub repository and the official site. See something wrong? Suggest an edit.
Caspian ratings and reviews
Caspian alternatives
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Novu
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EigenFlux
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Weave Router
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Agent Barn
Agent Barn is an open-source (Apache-2.0) control plane for running a fleet of AI agents on your own Kubernetes: create, configure, run and monitor agents across Slack, Microsoft Teams and Telegram from one place.
Bindu
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