# Orbuc MCP server

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

## Links
- Registry page: https://www.getdrio.com/mcp/io-github-xorbuc-orbuc
- Repository: https://github.com/xOrbuc/orbuc-mcp-server
- Website: https://orbuc.io

## Install
- Endpoint: https://mcp.orbuc.io/mcp/orbuc
- Auth: Not captured

## Setup notes
- Remote endpoint: https://mcp.orbuc.io/mcp/orbuc

## Tools
- 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.
     Endpoint: https://mcp.orbuc.io/mcp/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.
     Endpoint: https://mcp.orbuc.io/mcp/orbuc
- 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
     Endpoint: https://mcp.orbuc.io/mcp/orbuc
- 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)
     Endpoint: https://mcp.orbuc.io/mcp/orbuc
- 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.
     Endpoint: https://mcp.orbuc.io/mcp/orbuc
- orbuc_stablecoin_chains - Get stablecoin supply distribution across chains (Ethereum, Tron, Solana, etc.).

    Args:
        days: Number of days of history (optional)
     Endpoint: https://mcp.orbuc.io/mcp/orbuc
- 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.
     Endpoint: https://mcp.orbuc.io/mcp/orbuc
- orbuc_btc_holdings_segments - Get current BTC holdings per segment.

    Each segment includes btc_amount and source.
     Endpoint: https://mcp.orbuc.io/mcp/orbuc
- 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
     Endpoint: https://mcp.orbuc.io/mcp/orbuc
- orbuc_btc_holdings_weekly - Get weekly aggregated BTC holdings, optionally filtered by segment.

    Args:
        segment: Segment name (optional)
     Endpoint: https://mcp.orbuc.io/mcp/orbuc
- orbuc_btc_health - Check health of the BTC holdings tracker.

    Returns status, database date range, segment count, and record totals.
     Endpoint: https://mcp.orbuc.io/mcp/orbuc
- orbuc_stablecoin_health - Check health of the stablecoin market cap tracker.

    Returns status, latest date, total market cap, and tracked coins/chains.
     Endpoint: https://mcp.orbuc.io/mcp/orbuc

## Resources
Not captured

## Prompts
Not captured

## Metadata
- Owner: io.github.xOrbuc
- Version: 1.0.0
- Runtime: Streamable Http
- Transports: HTTP
- License: Not captured
- Language: Not captured
- Stars: Not captured
- Updated: Mar 31, 2026
- Source: https://registry.modelcontextprotocol.io