# Orbuc

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

- name: io.github.xOrbuc/orbuc
- version: 1.0.0
- connection class: R0 (autonomous)
- trust: 86/100
- quality: 91/100 (strong)
- owner: not claimed
- descriptor: https://api.protogrid.dev/v1/servers/io.github.xOrbuc%2Forbuc
- tools: https://api.protogrid.dev/v1/servers/io.github.xOrbuc%2Forbuc/tools

**An agent can connect right now, no human step.** Remote endpoint, no authentication, reachable on the last probe.

## Connection (mcpServers)

```json
{
  "mcpServers": {
    "orbuc": {
      "type": "http",
      "url": "https://mcp.orbuc.io/mcp/orbuc"
    }
  }
}
```


## Trust

- hygiene: 100
- liveness: 100
- freshness: 45
- provenance: 90
- drivers: +repository +namespace-matches-repo +website +reachable +uptime-100% -stale-203d
- Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed.

## Quality 91/100 (strong)

### protocol: 75 (weight 25)

- warn `protocol.modern`: newest supported version is 2024-11-05; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
- n/a `protocol.stateless`: only applies to 2026-07-28 servers
- pass `protocol.transport`: streamable HTTP
- n/a `protocol.list_ttl`: only applies to 2026-07-28 servers

### authorization: n/a (weight 15)

- n/a `auth.prm`, `auth.as_metadata`, `auth.cimd`: no remote uses OAuth
- n/a `auth.secret_in_url`: no templated URL

### tool hygiene: 100 (weight 30)

- pass `tools.descriptions`: every tool has a description
- pass `tools.description_length`: descriptions are concise
- pass `tools.schemas`: every tool has an object input schema
- pass `tools.annotations`: 12 of 12 tools declare readOnlyHint or destructiveHint
- pass `tools.directory_hints`: every tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
- pass `tools.token_cost`: about 1,542 tokens to load every tool
- pass `tools.api_dump`: tools are not a one-to-one API dump

### stability: 100 (weight 15)

- pass `stability.changes`: no tool changes in 30 days
- pass `stability.rug_pull`: no tool changed its meaning under the same name

### dependencies: n/a (weight 15)

- n/a `deps.known_vulns`, `deps.mcp_sdk_version`, `deps.resolvable`: no npm or PyPI package

- tools: 12, about 1,542 tokens to load them all
- tool set hash: 8e52000a2a562277a45d199873457a6d
- badge: [![protogrid quality](https://protogrid.dev/badge/io.github.xOrbuc/orbuc.svg)](https://protogrid.dev/servers/io.github.xOrbuc/orbuc)
- Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed.

### Tool changes

_No tool definition changes recorded._

## Remotes

- https://mcp.orbuc.io/mcp/orbuc (streamable-http, auth none, reachable true, uptime30d 1)

## Packages

_none_

## Tools (12)

- `orbuc_btc_health`: Check health of the BTC holdings tracker.

    Returns status, database date range, segment count, and record totals.
    
- `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_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_segments`: Get current BTC holdings per segment.

    Each segment includes btc_amount and source.
    
- `orbuc_btc_holdings_weekly`: Get weekly aggregated BTC holdings, optionally filtered by segment.

    Args:
        segment: Segment name (optional)
    
- `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_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_health`: Check health of the stablecoin market cap tracker.

    Returns status, latest date, total market cap, and tracked coins/chains.
    
- `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_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.