Caspian Sdk

Caspian SDK is an open source library that gives an AI agent one identity across the messaging channels people already use. A single connect call per channel and one handler for all of them let the same agent send and receive on Slack, Discord, GitHub, Telegram, email, Instagram, Messenger, X, SMS and Bluesky, with WhatsApp, iMessage, voice and RCS available through Caspian's hosted gateway. It is aimed at developers building support and sales agents, personal assistants, community bots, and fleets that need a separate identity per customer. The vendor's rationale is that agent projects each maintain dozens of channel adapters and spend a meaningful share of their issue trackers on channel plumbing that does nothing to make the agent smarter. The SDK ships for Python and TypeScript through PyPI and npm, includes an offline test suite, and provides plugins for openclaw and OpenCode. Free channels connect without any sign in. The client libraries are MIT licensed and the server is AGPL licensed, so the SDK can be used and self hosted at no cost. Pricing for the hosted gateway that carries the premium channels is not published; the company handles enquiries through its Discord. The SDK is one piece of a wider Caspian stack for self sovereign agents. Other parts include an agent builder, a per agent sandbox generator in prototype, Tor for Agents in private preview for anonymous networking, and several components still under construction covering onchain identity, agent payments, decentralised compute and on premises inference hardware.