swampcastle is an open-source Python library that provides memory and semantic search capabilities for AI applications. It integrates with LanceDB, supports the Model Context Protocol (MCP), and allows developers to add structured memory to their LLM-powered tools without requiring external API keys.
In the Frameworks & SDKs space, swampcastle takes a focused approach. It enables AI applications to store, retrieve, and reason over structured memory without external APIs. It is built as an open-source project for AI developers and researchers. swampcastle is open source under the MIT license. It runs on the command line, and it can be self-hosted.
Behind swampcastle is dekoza, and the product first shipped in 2026. Development happens publicly on GitHub with 386 commits in the last 90 days. Key capabilities include AI memory, knowledge graph, and semantic search. It exposes integrations via an MCP server.
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