# Bitcoin Power Law

> bitcoin-powerlaw.com: everything for long-term bitcoin holders. Bitcoin treasuries (companies, ETFs, exchanges, states holding bitcoin) and instruments (stocks, preferred shares, funds, ETFs), each with its source and the date it is valid for. Information, not investment advice.

Any AI agent may read this data, without an account or sign-in.

## Data

- [All treasuries and instruments](https://bitcoin-powerlaw.com/api/data): JSON, by kind and id; `?kind=treasury` or `?kind=instrument` for one kind
- [One record](https://bitcoin-powerlaw.com/api/data/treasury/MSTR): JSON, `/api/data/{kind}/{id}`, for example the treasury MSTR or the instrument STRC
- [OpenAPI description](https://bitcoin-powerlaw.com/api/openapi.json): the two reads above, to import as actions or tools

## Pages

- [Bitcoin treasuries](https://bitcoin-powerlaw.com/en/treasuries) (German: https://bitcoin-powerlaw.com/treasuries): every holder by category, the total and its share of 21 million, a world map, US spot ETF flows; each holder at `/en/treasuries/{slug}`

## MCP

- [Public MCP server](https://bitcoin-powerlaw.com/api/mcp): Streamable HTTP, no sign-in, read-only tools `list_data` and `get_data`
- [Connect your AI agent](https://bitcoin-powerlaw.com/en/agents) (German: https://bitcoin-powerlaw.com/agents): how to add it in Claude, ChatGPT, Gemini, Google's agents, Cursor, VS Code and others