Mosaic – self-hosted portfolio analytics for UK Stocks and Shares ISAs

Description and use

Here's a brief summary of the Mosaic project:

Mosaic is an open-source project that provides self-hosted portfolio analytics for UK Stocks and Shares ISAs, enabling users to leverage AI capabilities without starting from scratch. This project offers a practical adoption path for developers who want to prototype AI features, build rules-based or agent workflows, or evaluate model tooling, making it suitable for internal workflows and proof-of-concepts. However, its production readiness is medium due to potential quality signal limitations and the need for thorough verification of its license, maintenance, documentation, issues, and release cadence before widespread adoption.

Use in a workflow

Mosaic – self-hosted portfolio analytics for UK Stocks and Shares ISAs helps add AI capability without starting from a blank model stack.

• prototype AI features
• build RAG or agent workflows
• evaluate model tooling

Limitations and review notes

Medium: useful for prototypes or internal workflows, with dependency and maintenance checks before production.