# Orbuc [Health: Active] **Category:** 💰 Finance & Fintech **Repository:** https://github.com/xOrbuc/orbuc-mcp-server **GitHub Stars:** 0 **Views:** 0 **Installs:** 0 **Upvotes:** 0 **Directory Page:** https://allmcps.com/mcp/orbuc ## Description On-chain stablecoin market cap and Bitcoin institutional holdings data. ## Tools Capabilities this server exposes over MCP: - **orbuc_stablecoin_mcap** — Historical daily total stablecoin market cap - **orbuc_stablecoin_latest** — Latest snapshot — all 13 coins with per-chain breakdown - **orbuc_stablecoin_coin** — Historical supply for a specific stablecoin - **orbuc_stablecoin_coin_latest** — Latest supply for one coin with chain breakdown - **orbuc_stablecoin_aggregate** — Daily aggregate by total, symbol, or chain - **orbuc_stablecoin_chains** — Supply distribution across chains - **orbuc_btc_holdings_current** — Latest BTC held by institutions per segment - **orbuc_btc_holdings_segments** — Segment breakdown with confidence and sources - **orbuc_btc_holdings_daily** — Daily time series, optionally by segment - **orbuc_btc_holdings_weekly** — Weekly aggregated holdings - **orbuc_btc_health** — BTC tracker health status - **orbuc_stablecoin_health** — Stablecoin tracker health status ## Claude Desktop Quick Installation Remote MCP endpoint (confidence: high). Install path detected from listing signals. Add as a URL/SSE server in your client: ```json "mcpServers": { "orbuc": { "url": "https://mcp.orbuc.io/mcp/orbuc" } } ``` ## Documentation & README # Orbuc MCP Server Remote MCP server providing AI agents with direct access to independent on-chain stablecoin market cap and Bitcoin institutional holdings data. **Endpoint:** `https://mcp.orbuc.io/mcp/orbuc` **Protocol:** MCP Streamable HTTP (JSON-RPC 2.0 over POST) **Authentication:** None required (open access) **Transport:** Stateless HTTP — no session persistence --- ## What is Orbuc? Orbuc is a digital asset research and investment firm. Orbuc produces its own data, tracking two core datasets independently — no third-party aggregators: - **Stablecoin Market Cap** — direct on-chain `totalSupply()` RPC calls across 19 blockchain networks covering 13 stablecoins (USDT, USDC, USDS, DAI, USDe, FDUSD, PYUSD, USD1, BUIDL, BUIDL-I, crvUSD, GHO, FRAX). Updated daily at 03:00 UTC. - **Bitcoin Institutional Holdings** — compiled from SEC EDGAR 8-K filings, on-chain Etherscan data, and verified public disclosures across 6 segments (ETF funds, public companies, governments, private companies, DeFi/wrapped BTC, exchanges & custodians). Updated daily at 02:00 UTC. --- ## Available Tools (12) ### Stablecoin Market Cap | Tool | Description | Parameters | |------|-------------|------------| | `orbuc_stablecoin_mcap` | Historical daily total stablecoin market cap | `days`, `start_date`, `end_date` | | `orbuc_stablecoin_latest` | Latest snapshot — all 13 coins with per-chain breakdown | — | | `orbuc_stablecoin_coin` | Historical supply for a specific stablecoin | `symbol`, `days`, `start_date`, `end_date` | | `orbuc_stablecoin_coin_latest` | Latest supply for one coin with chain breakdown | `symbol` | | `orbuc_stablecoin_aggregate` | Daily aggregate by total, symbol, or chain | `level`, `start_date`, `end_date` | | `orbuc_stablecoin_chains` | Supply distribution across chains | `days` | ### Bitcoin Institutional Holdings | Tool | Description | Parameters | |------|-------------|------------| | `orbuc_btc_holdings_current` | Latest BTC held by institutions per segment | — | | `orbuc_btc_holdings_segments` | Segment breakdown with confidence and sources | — | | `orbuc_btc_holdings_daily` | Daily time series, optionally by segment | `segment`, `start_date`, `end_date` | | `orbuc_btc_holdings_weekly` | Weekly aggregated holdings | `segment` | | `orbuc_btc_health` | BTC tracker health status | — | | `orbuc_stablecoin_health` | Stablecoin tracker health status | — | --- ## Quick Start ### Claude.ai / Claude Desktop Add as a custom MCP connector: ``` https://mcp.orbuc.io/mcp/orbuc ``` ### VS Code / Cursor / Windsurf Add to `.vscode/mcp.json`: ```json { "servers": { "orbuc": { "type": "http", "url": "https://mcp.orbuc.io/mcp/orbuc" } } } ``` ### Claude Desktop Config Add to `claude_desktop_config.json`: ```json { "mcpServers": { "orbuc": { "type": "url", "url": "https://mcp.orbuc.io/mcp/orbuc" } } } ``` ### Python (MCP SDK) ```python from mcp import ClientSession from mcp.client.streamable_http import streamablehttp_client async def query_orbuc(): async with streamablehttp_client("https://mcp.orbuc.io/mcp/orbuc") as (read, write, _): async with ClientSession(read, write) as session: await session.initialize() tools = await session.list_tools() print(f"{len(tools.tools)} tools available") result = await session.call_tool("orbuc_btc_holdings_current", {}) print(result.content[0].text) ``` ### cURL ```bash # Initialize curl -X POST https://mcp.orbuc.io/mcp/orbuc \ -H "Content-Type: application/json" \ -d '{"jsonrpc":"2.0","id":1,"method":"initialize","params":{"protocolVersion":"2024-11-05","capabilities":{},"clientInfo":{"name":"test","version":"1.0"}}}' # List tools curl -X POST https://mcp.orbuc.io/mcp/orbuc \ -H "Content-Type: application/json" \ -d '{"jsonrpc":"2.0","id":2,"method":"tools/list","params":{}}' # Call a tool curl -X POST https://mcp.orbuc.io/mcp/orbuc \ -H "Content-Type: application/json" \ -d '{"jsonrpc":"2.0","id":3,"method":"tools/call","params":{"name":"orbuc_stablecoin_mcap","arguments":{"days":7}}}' ``` --- ## Example Queries Once connected, ask your AI agent: - *"What's the total stablecoin market cap today?"* - *"Show me USDT supply broken down by chain"* - *"How much BTC do public companies hold vs ETF funds?"* - *"What's the daily change in ETF segment BTC holdings over the past two weeks?"* - *"Compare USDC and USDT market share across Ethereum, Tron, and Solana"* - *"Which BTC segments have high confidence data vs carry-forward estimates?"* --- ## Data Coverage ### Stablecoins - **Coins:** USDT, USDC, USDS, DAI, USDe, FDUSD, PYUSD, USD1, BUIDL, BUIDL-I, crvUSD, GHO, FRAX - **Chains:** Ethereum, Tron, Solana, Arbitrum, Base, BSC, Polygon, Avalanche, Optimism, TON, Near, Stellar, Sui, Celo, Gnosis, Linea, Mantle, zkSync, Algorand - **History from:** August 2024 - **Source:** Direct on-chain `totalSupply()` RPC calls ### Bitcoin Holdings - **Segments:** public_companies, etf_funds, governments, private_companies, defi_other, exchanges_custodians - **History from:** August 2025 - **Sources:** SEC EDGAR, Etherscan, event detection --- ## x402 Payment Protocol Orbuc also supports [x402](https://x402.org) micropayments for autonomous agent access via USDC on Base. The MCP server is currently **free and open access** — x402 pricing may be introduced in future. Discovery file: `https://orbuc.io/.well-known/x402.json` --- ## Links - **Website:** [orbuc.io](https://orbuc.io) - **MCP Endpoint:** `https://mcp.orbuc.io/mcp/orbuc` - **Health Check:** `https://mcp.orbuc.io/mcp/health` - **Contact:** info@orbuc.io --- ## License Proprietary. Data provided by Orbuc Research. See [data disclaimer](https://orbuc.io) for terms of use.