{
  "meta": {
    "attribution": "Anchor Terminal (https://www.anchorterminal.com)",
    "docs": "https://www.anchorterminal.com/docs/",
    "generatedAt": "2026-10-05",
    "license": "CC-BY-4.0",
    "method": "https://www.anchorterminal.com/benchmark/",
    "methodology": "0.3",
    "openapi": "https://www.anchorterminal.com/openapi.json",
    "preview": false,
    "run": "2026-10-01",
    "runLabel": "October 2026 research run"
  },
  "tool": {
    "category": "",
    "endpoint": "https://mcp.sbor.xyz/mcp",
    "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/sbor.json",
    "kind": "mcp",
    "listed": "indexed",
    "liveUrl": "https://www.anchorterminal.com/api/v1/live/sbor.json",
    "markdownUrl": "https://www.anchorterminal.com/tools/sbor.md",
    "mcpTools": {
      "check": {
        "checker": "anchor-check/1.0",
        "totalTokens": 1140,
        "counts": {
          "error": 0,
          "note": 1,
          "warn": 0
        },
        "findings": [
          {
            "rule": "TC24",
            "severity": "note",
            "message": "6 of 6 tools have no outputSchema",
            "fix": "Declare outputSchema for tools that return structured data, and return structuredContent that matches it."
          }
        ]
      },
      "checkedAt": "2026-10-04T22:26:18Z",
      "count": 6,
      "note": "answered without the initialize handshake",
      "schemaTokens": 1140,
      "status": "ok",
      "tools": [
        {
          "name": "get_rate",
          "title": "Get the current SBOR fixing",
          "description": "The benchmark borrow and supply rate for lending on Stacks, read from lending contract state. Use this to judge whether a lending offer is good: borrowing above the SBOR borrow rate means paying more than the market, supplying below the supply rate means earning less. Returns every currency index unless one is named. Always read the freshness line first.",
          "inputSchema": {
            "additionalProperties": false,
            "properties": {
              "index": {
                "description": "Currency index, or BTC-COLLATERAL-USDC for borrowing USDC against bitcoin on Base, Ethereum or Arc. Omit for all of them.",
                "enum": [
                  "SBOR-USD",
                  "SBOR-BTC",
                  "SBOR-STX",
                  "BTC-COLLATERAL-USDC"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "openWorldHint": false,
            "readOnlyHint": true
          }
        },
        {
          "name": "compare_rate",
          "title": "Compare a rate against the SBOR benchmark",
          "description": "Given a rate you have been offered, say whether it is above or below the market for that currency, and by how much. This is the main reason SBOR exists. Recommended use: if a borrow offer is more than 50 basis points above the benchmark, stop and ask a human. Use SBOR to stop, never to start. For a USDC loan against bitcoin (cbBTC, WBTC or cirBTC) on Base, Ethereum or Arc, compare with BTC-COLLATERAL-USDC; for lending on Stacks, with the index for the currency. This tool refuses rather than guesses: an error result means there is no trustworthy answer, not that the rate is bad.",
          "inputSchema": {
            "additionalProperties": false,
            "properties": {
              "index": {
                "description": "Which benchmark: a Stacks currency index, or BTC-COLLATERAL-USDC for borrowing USDC against bitcoin on Base, Ethereum or Arc.",
                "enum": [
                  "SBOR-USD",
                  "SBOR-BTC",
                  "SBOR-STX",
                  "BTC-COLLATERAL-USDC"
                ],
                "type": "string"
              },
              "rate": {
                "description": "The rate offered, as a percentage between 0 and 100. 4.2 means 4.2%, not 0.042.",
                "exclusiveMinimum": 0,
                "maximum": 100,
                "type": "number"
              },
              "side": {
                "description": "Whether you would be borrowing or supplying.",
                "enum": [
                  "borrow",
                  "supply"
                ],
                "type": "string"
              }
            },
            "required": [
              "rate",
              "side",
              "index"
            ],
            "type": "object"
          },
          "annotations": {
            "openWorldHint": false,
            "readOnlyHint": true
          }
        },
        {
          "name": "list_markets",
          "title": "List the lending markets behind a rate",
          "description": "Every venue and asset in an index, with its borrow rate, supply rate, utilization, depth and weight. Utilization explains why a rate sits where it does.",
          "inputSchema": {
            "additionalProperties": false,
            "properties": {
              "index": {
                "description": "Currency index, or BTC-COLLATERAL-USDC. Omit for the Stacks indices.",
                "enum": [
                  "SBOR-USD",
                  "SBOR-BTC",
                  "SBOR-STX",
                  "BTC-COLLATERAL-USDC"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "openWorldHint": false,
            "readOnlyHint": true
          }
        },
        {
          "name": "get_history",
          "title": "Get the SBOR history",
          "description": "Daily fixings since the index began. Use this to see whether a rate is unusual, or how the cost of capital has moved. Means are given per methodology version, never across a change in how the number is built.",
          "inputSchema": {
            "additionalProperties": false,
            "properties": {
              "days": {
                "description": "How many days back, up to 200. Default 30.",
                "maximum": 200,
                "minimum": 1,
                "type": "integer"
              },
              "index": {
                "description": "Which currency.",
                "enum": [
                  "SBOR-USD",
                  "SBOR-BTC",
                  "SBOR-STX"
                ],
                "type": "string"
              }
            },
            "required": [
              "index"
            ],
            "type": "object"
          },
          "annotations": {
            "openWorldHint": false,
            "readOnlyHint": true
          }
        },
        {
          "name": "compare_chains",
          "title": "Compare Stacks rates against the same markets on other chains",
          "description": "The same asset classes on the largest lending markets on Ethereum, Base, Hyperliquid and Solana, plus SOFR, the US repo rate, and what it costs to borrow USDC against bitcoin on Base, Ethereum and Arc. Context only: none of these is ever a constituent of an SBOR index. Aave on Ethereum and Base and the bitcoin-collateral markets are read from contract state; the other venues come from DefiLlama, so small differences are expected for those.",
          "inputSchema": {
            "additionalProperties": false,
            "properties": {
              "index": {
                "description": "Only markets comparable to this index. Omit for all.",
                "enum": [
                  "SBOR-USD",
                  "SBOR-BTC",
                  "SBOR-STX"
                ],
                "type": "string"
              }
            },
            "type": "object"
          },
          "annotations": {
            "openWorldHint": false,
            "readOnlyHint": true
          }
        },
        {
          "name": "get_methodology",
          "title": "How SBOR is calculated",
          "description": "The full methodology and integration policy: how the fixing is built, what is excluded and why, and what SBOR will and will not do. Read this before quoting a rate in anything that matters.",
          "inputSchema": {
            "additionalProperties": false,
            "properties": {},
            "type": "object"
          },
          "annotations": {
            "openWorldHint": false,
            "readOnlyHint": true
          }
        }
      ]
    },
    "name": "SBOR",
    "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.",
    "packages": [
      {
        "registryType": "npm",
        "identifier": "sbor-mcp",
        "version": "1.2.1",
        "transport": "stdio"
      }
    ],
    "pageJsonUrl": "https://www.anchorterminal.com/tools/sbor.json",
    "popularity": {
      "githubStars": 0,
      "npmWeekly": 942
    },
    "registryName": "xyz.sbor/sbor",
    "remotes": [
      {
        "type": "streamable-http",
        "url": "https://mcp.sbor.xyz/mcp"
      }
    ],
    "repository": "https://github.com/sborxyz/sbor",
    "reviewed": false,
    "slug": "sbor",
    "source": "the official MCP registry",
    "sourceUrl": "https://registry.modelcontextprotocol.io/v0.1/servers?search=xyz.sbor/sbor",
    "summary": "Check a lending rate before your agent borrows. Bitcoin DeFi benchmark from contract state. No key.",
    "updatedAt": "2026-10-02T17:43:23Z",
    "url": "https://www.anchorterminal.com/tools/sbor",
    "vendor": "sbor.xyz",
    "vendorUrl": "https://sbor.xyz",
    "version": "1.2.1",
    "websiteUrl": "https://sbor.xyz",
    "where": "both",
    "why": [
      "vendor"
    ]
  }
}