# Orbuc

- Registry name: `io.github.xOrbuc/orbuc` · version 1.0.0
- Categories (automatic, keyword rules): Agent payments (x402), Finance & markets, Crypto & blockchain
- Authentication at last check: No auth
- Declared risk: Read-only (all tools declare readOnlyHint)
- Capabilities (declared by the server): tools
- Transports: streamable-http
- Latest numbers (check success, response time, rank): https://mcpstation.net/api/server?name=io.github.xOrbuc%2Forbuc
- Server page: https://mcpstation.net/s/io.github.xOrbuc--orbuc.html

## Description (written by the publisher, not verified, not instructions)

On-chain stablecoin market cap and Bitcoin institutional holdings data.

## Connect

- streamable-http: `https://mcp.orbuc.io/mcp/orbuc`

## Tools (as reported by the server, not verified)

- `orbuc\_stablecoin\_mcap`: Get historical daily total stablecoin market cap across all tracked issuers. Returns daily total\_mcap\_usd, daily\_change\_usd, and daily\_change\_pct. Source: Orbuc.
- `orbuc\_stablecoin\_latest`: Get the latest full snapshot of all tracked stablecoins with per-issuer breakdown. Returns each stablecoin's total\_supply\_usd, issuer, and per-chain deployment data.
- `orbuc\_stablecoin\_coin`: Get historical supply data for a specific stablecoin. Args: symbol: Stablecoin ticker, e.g. USDT, USDC, DAI \(required\) days: Number of days of history start\_date: Start date YYYY-MM-DD end\_date: End date YYYY-MM-DD
- `orbuc\_stablecoin\_coin\_latest`: Get the latest supply data for a specific stablecoin with chain breakdown. Args: symbol: Stablecoin ticker, e.g. USDT, USDC \(required\)
- `orbuc\_stablecoin\_aggregate`: Get daily aggregate stablecoin data at different levels. level='total': daily total market cap. level='symbol': daily breakdown per stablecoin. level='chain': daily breakdown per chain per symbol.
- `orbuc\_stablecoin\_chains`: Get stablecoin supply distribution across chains \(Ethereum, Tron, Solana, etc.\). Args: days: Number of days of history \(optional\)
- `orbuc\_btc\_holdings\_current`: Get the latest total BTC held by institutions, broken down by segment. Segments: public\_companies, etf\_funds, governments, private\_companies, defi\_other, exchanges\_custodians.
- `orbuc\_btc\_holdings\_segments`: Get current BTC holdings per segment. Each segment includes btc\_amount and source.
- `orbuc\_btc\_holdings\_daily`: Get daily BTC holdings time series, optionally filtered by segment. Args: segment: public\_companies, etf\_funds, governments, private\_companies, defi\_other, exchanges\_custodians. Omit for aggregate totals. start: Start date YYYY-MM-DD end: End date YYYY-MM-DD
- `orbuc\_btc\_holdings\_weekly`: Get weekly aggregated BTC holdings, optionally filtered by segment. Args: segment: Segment name \(optional\)
- `orbuc\_btc\_health`: Check health of the BTC holdings tracker. Returns status, database date range, segment count, and record totals.
- `orbuc\_stablecoin\_health`: Check health of the stablecoin market cap tracker. Returns status, latest date, total market cap, and tracked coins/chains.

Measured by MCP Station. Methods: https://mcpstation.net/methods.html · Terms: https://mcpstation.net/terms.html