{
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      "markdownUrl": "https://www.anchorterminal.com/tools/marketmaster-mcp.md",
      "mcpTools": {
        "check": {
          "checker": "anchor-check/1.0",
          "totalTokens": 650,
          "counts": {
            "error": 0,
            "note": 1,
            "warn": 5
          },
          "findings": [
            {
              "rule": "TC11",
              "severity": "warn",
              "tool": "mm_arbitrage",
              "message": "2 parameters without a description: limit, offset",
              "fix": "Describe each one: format, units, an example, and what happens when it's left out."
            },
            {
              "rule": "TC11",
              "severity": "warn",
              "tool": "mm_edges",
              "message": "4 parameters without a description: category, limit, offset, platform",
              "fix": "Describe each one: format, units, an example, and what happens when it's left out."
            },
            {
              "rule": "TC11",
              "severity": "warn",
              "tool": "mm_market",
              "message": "1 parameter without a description: source",
              "fix": "Describe each one: format, units, an example, and what happens when it's left out."
            },
            {
              "rule": "TC11",
              "severity": "warn",
              "tool": "mm_markets",
              "message": "none of its 4 parameters has a description",
              "fix": "Describe each one: format, units, an example, and what happens when it's left out."
            },
            {
              "rule": "TC11",
              "severity": "warn",
              "tool": "mm_whales",
              "message": "3 parameters without a description: limit, offset, source",
              "fix": "Describe each one: format, units, an example, and what happens when it's left out."
            },
            {
              "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": "2026-10-04T22:25:31Z",
        "count": 6,
        "note": "answered without the initialize handshake",
        "schemaTokens": 650,
        "status": "ok",
        "tools": [
          {
            "name": "mm_edges",
            "description": "Mispriced prediction-market edges (model fair value vs live price), ranked by edge size, across Kalshi and Polymarket.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "category": {
                  "type": "string"
                },
                "limit": {
                  "maximum": 200,
                  "minimum": 1,
                  "type": "integer"
                },
                "min_edge": {
                  "description": "minimum absolute edge in percentage points",
                  "type": "number"
                },
                "offset": {
                  "minimum": 0,
                  "type": "integer"
                },
                "platform": {
                  "enum": [
                    "kalshi",
                    "polymarket"
                  ],
                  "type": "string"
                }
              },
              "type": "object"
            },
            "annotations": {
              "openWorldHint": true,
              "readOnlyHint": true
            }
          },
          {
            "name": "mm_markets",
            "description": "Latest normalized market snapshots across venues (title, YES/NO price, 24h volume, close time).",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "category": {
                  "type": "string"
                },
                "limit": {
                  "maximum": 500,
                  "minimum": 1,
                  "type": "integer"
                },
                "offset": {
                  "minimum": 0,
                  "type": "integer"
                },
                "source": {
                  "enum": [
                    "kalshi",
                    "polymarket"
                  ],
                  "type": "string"
                }
              },
              "type": "object"
            },
            "annotations": {
              "openWorldHint": true,
              "readOnlyHint": true
            }
          },
          {
            "name": "mm_market",
            "description": "A single market's latest snapshot plus any live edges for it.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "id": {
                  "description": "the venue's native market id (source_market_id)",
                  "type": "string"
                },
                "source": {
                  "enum": [
                    "kalshi",
                    "polymarket"
                  ],
                  "type": "string"
                }
              },
              "required": [
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                "id"
              ],
              "type": "object"
            },
            "annotations": {
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          {
            "name": "mm_arbitrage",
            "description": "Cross-platform price spreads for matched markets — buy-cheap / sell-dear venue per outcome. Indicative, gross of fees and slippage; not guaranteed arbitrage.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "limit": {
                  "maximum": 200,
                  "minimum": 1,
                  "type": "integer"
                },
                "min_spread": {
                  "description": "minimum spread in percentage points",
                  "type": "number"
                },
                "offset": {
                  "minimum": 0,
                  "type": "integer"
                }
              },
              "type": "object"
            },
            "annotations": {
              "openWorldHint": true,
              "readOnlyHint": true
            }
          },
          {
            "name": "mm_whales",
            "description": "Recent large real-money trades (whale fills) across venues, newest first.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {
                "limit": {
                  "maximum": 200,
                  "minimum": 1,
                  "type": "integer"
                },
                "min": {
                  "description": "minimum trade size in USD",
                  "type": "integer"
                },
                "offset": {
                  "minimum": 0,
                  "type": "integer"
                },
                "source": {
                  "enum": [
                    "kalshi",
                    "polymarket"
                  ],
                  "type": "string"
                }
              },
              "type": "object"
            },
            "annotations": {
              "openWorldHint": true,
              "readOnlyHint": true
            }
          },
          {
            "name": "mm_status",
            "description": "Your API key's tier, rate limits, and current usage.",
            "inputSchema": {
              "additionalProperties": false,
              "properties": {},
              "type": "object"
            },
            "annotations": {
              "openWorldHint": true,
              "readOnlyHint": true
            }
          }
        ]
      },
      "name": "marketmaster.live MCP server",
      "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.",
      "packages": [
        {
          "registryType": "npm",
          "identifier": "@marketmaster/mcp",
          "version": "0.1.3",
          "transport": "stdio"
        }
      ],
      "pageJsonUrl": "https://www.anchorterminal.com/tools/marketmaster-mcp.json",
      "popularity": {
        "npmWeekly": 31
      },
      "registryName": "live.marketmaster/mcp",
      "remotes": [
        {
          "type": "streamable-http",
          "url": "https://api.marketmaster.live/mcp"
        }
      ],
      "repository": "",
      "reviewed": false,
      "slug": "marketmaster-mcp",
      "source": "the official MCP registry",
      "sourceUrl": "https://registry.modelcontextprotocol.io/v0.1/servers?search=live.marketmaster/mcp",
      "summary": "Live Kalshi and Polymarket data: EV edges, cross-venue arbitrage, markets, and whale trades.",
      "updatedAt": "2026-09-15T00:00:53Z",
      "url": "https://www.anchorterminal.com/tools/marketmaster-mcp",
      "vendor": "marketmaster.live",
      "vendorUrl": "https://marketmaster.live/developers",
      "version": "0.1.4",
      "websiteUrl": "https://marketmaster.live/developers",
      "where": "both",
      "why": [
        "vendor"
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    }
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  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/tools/marketmaster-mcp",
    "json": "https://www.anchorterminal.com/tools/marketmaster-mcp.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/tools/marketmaster-mcp.md",
    "slim": "https://www.anchorterminal.com/tools/marketmaster-mcp.min.md"
  },
  "markdown": "# marketmaster.live MCP server\n\n\u003e Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/\n\n- Kind: MCP server, by marketmaster.live (https://marketmaster.live/developers)\n- Category: Data providers (https://www.anchorterminal.com/categories/data-providers.md)\n- Listed because: It's published in the registry under marketmaster.live, a namespace the registry only gives to whoever proves they control that domain.\n- What the official MCP registry says: Live Kalshi and Polymarket data: EV edges, cross-venue arbitrage, markets, and whale trades.\n\n## Facts\n\n- MCP registry: `live.marketmaster/mcp` 0.1.4\n- Endpoint: https://api.marketmaster.live/mcp (streamable HTTP)\n- Package: npm `@marketmaster/mcp` (stdio)\n- Website: https://marketmaster.live/developers\n- npm downloads a week: 31\n- Registry entry updated: 2026-09-15\n\n## Tools\n\n- Tools it lists (6, about 650 tokens of context, `tools/list` without credentials, checked 2026-10-04 22:25 UTC):\n  - `mm_edges` (read-only): Mispriced prediction-market edges (model fair value vs live price), ranked by edge size, across Kalshi and Polymarket.\n  - `mm_markets` (read-only): Latest normalized market snapshots across venues (title, YES/NO price, 24h volume, close time).\n  - `mm_market` (read-only): A single market's latest snapshot plus any live edges for it.\n  - `mm_arbitrage` (read-only): Cross-platform price spreads for matched markets — buy-cheap / sell-dear venue per outcome. Indicative, gross of fees and slippage; not guaranteed arbitrage.\n  - `mm_whales` (read-only): Recent large real-money trades (whale fills) across venues, newest first.\n  - `mm_status` (read-only): Your API key's tier, rate limits, and current usage.\n- How its tools read to an agent (0 errors, 5 warnings, 1 note, about 650 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):\n  - warn TC11 mm_arbitrage: 2 parameters without a description: limit, offset\n  - warn TC11 mm_edges: 4 parameters without a description: category, limit, offset, platform\n  - warn TC11 mm_market: 1 parameter without a description: source\n  - warn TC11 mm_markets: none of its 4 parameters has a description\n  - warn TC11 mm_whales: 3 parameters without a description: limit, offset, source\n  - note TC24 server: 6 of 6 tools have no outputSchema\n\n- JSON: https://www.anchorterminal.com/api/v1/tools/marketmaster-mcp.json\n- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming\n",
  "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"
  },
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      {
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      {
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      {
        "name": "marketmaster.live MCP server",
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      }
    ],
    "description": "marketmaster.live MCP server, an MCP server by marketmaster.live, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Live Kalshi and Polymarket data: EV edges, cross-venue arbitrage, markets, and whale trades.",
    "facts": [
      "not reviewed",
      "not ranked",
      "facts only"
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    "h1": "marketmaster.live MCP server",
    "image": "https://www.anchorterminal.com/assets/og/indexed.png",
    "path": "/tools/marketmaster-mcp",
    "published": "",
    "section": "indexed",
    "title": "marketmaster.live MCP server, indexed from the official MCP registry",
    "toc": null,
    "updated": "2026-10-05",
    "url": "https://www.anchorterminal.com/tools/marketmaster-mcp"
  },
  "tokens": {
    "markdown": 850,
    "slim": 780
  },
  "version": 1
}