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On-chain stablecoin market cap and Bitcoin institutional holdings data.
Do not connect
The assessed surface is high-risk. Remediate the findings before connecting.
Scanned 1 month ago Due for re-check
A server can change after it's graded. Re-run the automated scan to refresh this report.
This grade is deterministic and reproducible: the same server surface always yields the same grade under a given algorithm version. It is a real automated assessment computed by the MCPGrade engine from what the probe actually observed — not a fabricated or opinion score. It is not a manual human pentest, so it can miss context-specific risks.
Every signal below was measured directly by the automated probe. The grade is derived only from evidence like this — nothing is assumed.
The orbuc_mcp MCP server exposes 12 tools, focused primarily on general-purpose capabilities. Its published description reads: "On-chain stablecoin market cap and Bitcoin institutional holdings data". It communicates over Streamable HTTP using the 2026-07-28 protocol revision, and does not require authorization to connect. MCPGrade currently rates orbuc_mcp D- — the assessed surface is high-risk and should be remediated before use. Its most notable findings include "No authorization on a public remote server" and "Over-broad tool surface". This report is a deterministic, reproducible automated assessment: the same observed surface always yields the same grade under a given algorithm version, and it is refreshed as new scans arrive and free to read — but it is not a substitute for a manual human security review. Always re-check orbuc_mcp's advertised tools, transport security, and authorization posture before connecting an autonomous agent or sharing sensitive context with it.
Add orbuc_mcp to an MCP client using the endpoint below. Review the grade and findings above before granting an autonomous agent access.
MCP endpoint
https://mcp.orbuc.io/mcp/orbucStreamable HTTP transport. This is the MCP endpoint, not a website — paste it into your MCP client server list rather than a browser.
Captured passively during the read-only scan. Click any value to find servers that match it.
The tools this server advertises via tools/list — names, purposes, and the parameters each accepts, exactly as enumerated read-only.
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.
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.
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 d
Get the latest supply data for a specific stablecoin with chain breakdown. Args: symbol: Stablecoin ticker, e.g. USDT, USDC (required)
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.
Get stablecoin supply distribution across chains (Ethereum, Tron, Solana, etc.). Args: days: Number of days of history (optional)
Get the latest total BTC held by institutions, broken down by segment. Segments: public_companies, etf_funds, governments, private_companies, defi_other, exchanges_custodians.
Get current BTC holdings per segment. Each segment includes btc_amount and source.
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 tot
Get weekly aggregated BTC holdings, optionally filtered by segment. Args: segment: Segment name (optional)
Check health of the BTC holdings tracker. Returns status, database date range, segment count, and record totals.
Check health of the stablecoin market cap tracker. Returns status, latest date, total market cap, and tracked coins/chains.
Sorted worst-first. Each finding shows its severity, what it means, its OWASP MCP Top-10 mapping, and a recommended fix — the check id links to the exact methodology row that produced it.
The server accepts tool enumeration (and likely invocation) with no authentication.
RecommendationRequire OAuth 2.1 authorization for any server exposing non-public tools.
tool: orbuc_stablecoin_mcap
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: orbuc_stablecoin_latest
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: orbuc_stablecoin_coin
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: orbuc_stablecoin_coin_latest
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: orbuc_stablecoin_aggregate
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: orbuc_stablecoin_chains
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: orbuc_btc_holdings_current
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: orbuc_btc_holdings_segments
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: orbuc_btc_holdings_daily
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: orbuc_btc_holdings_weekly
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: orbuc_btc_health
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
tool: orbuc_stablecoin_health
The server advertises open-world / broadly-scoped capabilities.
annotations.openWorldHint = trueRecommendationScope tools to the minimum needed.
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