{
  "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://api.clearmarket.fyi/mcp",
    "jsonUrl": "https://www.anchorterminal.com/api/v1/tools/clearmarket.json",
    "kind": "mcp",
    "listed": "indexed",
    "liveUrl": "https://www.anchorterminal.com/api/v1/live/clearmarket.json",
    "markdownUrl": "https://www.anchorterminal.com/tools/clearmarket.md",
    "mcpTools": {
      "check": {
        "checker": "anchor-check/1.0",
        "totalTokens": 1657,
        "counts": {
          "error": 0,
          "note": 1,
          "warn": 9
        },
        "findings": [
          {
            "rule": "TC11",
            "severity": "warn",
            "tool": "list_events",
            "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": "list_signals",
            "message": "3 parameters without a description: detection_path, limit, venue",
            "fix": "Describe each one: format, units, an example, and what happens when it's left out."
          },
          {
            "rule": "TC11",
            "severity": "warn",
            "tool": "list_upcoming_catalysts",
            "message": "its one parameter, days, has no description",
            "fix": "Describe each one: format, units, an example, and what happens when it's left out."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "get_event",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"get\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "get_market",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"get\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "get_signal",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"get\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "list_events",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"list\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "list_signals",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"list\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "rule": "TC16",
            "severity": "warn",
            "tool": "list_upcoming_catalysts",
            "message": "no readOnlyHint or destructiveHint",
            "fix": "Its name starts with \"list\"; if it only reads, set readOnlyHint: true so harnesses can run it without asking."
          },
          {
            "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": "2026-10-04T22:25:05Z",
      "count": 6,
      "note": "answered without the initialize handshake",
      "schemaTokens": 1657,
      "status": "ok",
      "tools": [
        {
          "name": "list_events",
          "description": "Browse or search ClearMarket prediction-market events. Filter by category, platform, Resolution Clarity Grade, or free-text `q`. `q` is token-AND across question + tags, so SHORT KEYWORD queries match best (\"microstrategy bitcoin\", \"fed rate\") — natural-language phrases often return nothing. Returns compact graded summaries: slug, question, venues_covered, primary grade, rcg_score (0-100, for ranking clarity), last_price, and status (open / resolved). Start here when you have a topic but not a slug; then call get_event for the full graded record. Categories: economics, financials, crypto, companies, technology, politics, geopolitics, health, climate.",
          "inputSchema": {
            "properties": {
              "category": {
                "enum": [
                  "economics",
                  "financials",
                  "crypto",
                  "companies",
                  "technology",
                  "politics",
                  "geopolitics",
                  "health",
                  "climate"
                ],
                "type": "string"
              },
              "grade": {
                "description": "Resolution Clarity Grade of the primary market.",
                "enum": [
                  "A",
                  "B",
                  "C"
                ],
                "type": "string"
              },
              "limit": {
                "default": 50,
                "maximum": 100,
                "minimum": 1,
                "type": "integer"
              },
              "offset": {
                "default": 0,
                "minimum": 0,
                "type": "integer"
              },
              "platform": {
                "enum": [
                  "kalshi",
                  "polymarket"
                ],
                "type": "string"
              },
              "q": {
                "description": "Free-text search across event questions. Omit to list the whole filtered universe.",
                "type": "string"
              }
            },
            "type": "object"
          }
        },
        {
          "name": "get_event",
          "description": "Fetch the full ClearMarket record for one event by slug: the canonical question, every market in this event's single-venue bundle, each market's current price + Resolution Clarity Grade (A/B/C) + resolution-source provenance, the canonical question_id where the question is linked across venues/events (null otherwise; also_on lists the same question priced on the other venue, when it trades there), and the upcoming catalyst dates that move it before it resolves. In the default detail=\"full\", each market in the bundle is FULLY detailed (grade, rcg.caps, provenance, direction, settlement_style, also_on) — you do not need a separate get_market call for markets already in this event. Note: a shared question_id means same topic across venues; in rare cases it links structurally-different contracts (e.g. a \"hike\" vs a \"cut-count\" market), so verify the contract shape before treating two as an arbitrage pair. Use when you need the authoritative, graded view of a SPECIFIC event — including its cross-venue twins via also_on — before reasoning about or acting on a prediction market. If you only have a topic (not a slug), call list_events first. Set detail=\"concise\" for a quick grade/price/source check (each market trimmed to the essentials — much smaller for events with many markets); use the default detail=\"full\" when you need every market's rules, contract shape, and complete provenance.",
          "inputSchema": {
            "properties": {
              "detail": {
                "default": "full",
                "description": "concise = essentials only (grade, price, source, also_on per market); full = the complete record. Default full.",
                "enum": [
                  "concise",
                  "full"
                ],
                "type": "string"
              },
              "slug": {
                "description": "Event slug (e.g. \"kxgdpyear-26\") or CM event id (CM-EVT-…).",
                "type": "string"
              }
            },
            "required": [
              "slug"
            ],
            "type": "object"
          }
        },
        {
          "name": "get_market",
          "description": "Fetch one market and judge whether its price can be trusted. Accepts whatever id you have: a ClearMarket id (CM-MKT-…), a venue-native market id or Kalshi ticker, or a market URL (best-effort — Kalshi tickers / a native id in the path resolve; for Polymarket pass the conditionId, not the slug URL). Returns: raw question, current price / implied probability, the Resolution Clarity Grade with rcg.score (0-100) and rcg.caps (a cap such as \"uncommitted_placeholder\" hard-limits the grade — that is why a single-source market can still be C), full resolution provenance (arbitration_model = who resolves it, named source, source_type, and a graded source_status on EVERY market: named / no-committed-source / none / unknown), the contract shape (direction, settlement_style, threshold), the canonical question_id where linked, and also_on (the same question priced on other venues). The returned market_id is ALWAYS the canonical ClearMarket id (CM-MKT-…) — store and reuse THAT, not the venue id. Use before trusting or acting on a price.",
          "inputSchema": {
            "properties": {
              "market_id": {
                "description": "A ClearMarket id (CM-MKT-…), a venue-native market id / Kalshi ticker, or a market URL (best-effort: Kalshi URLs resolve; for Polymarket pass the conditionId).",
                "type": "string"
              }
            },
            "required": [
              "market_id"
            ],
            "type": "object"
          }
        },
        {
          "name": "list_upcoming_catalysts",
          "description": "List scheduled catalysts (CPI, jobs, FOMC, GDP, large-cap earnings) in the next N days that move prediction-market prices BEFORE those markets resolve — a cross-event view across the whole calendar. Each entry is provenanced to its authoritative source (BLS, Fed, etc.). Use to find what scheduled events will reprice the prediction-market universe soon.",
          "inputSchema": {
            "properties": {
              "days": {
                "default": 30,
                "maximum": 365,
                "minimum": 1,
                "type": "integer"
              }
            },
            "type": "object"
          }
        },
        {
          "name": "list_signals",
          "description": "Browse the CM Signal daily wire — short, structured prediction-market bulletins (the price is the lede, news is context). Filter by event_id (every wire touching a specific event), category, venue, or detection type (news_cycle, cross_venue_divergence, benchmark_drift, volume_spike). Returns compact records, newest first; call get_signal for the full bulletin. Use to find ClearMarket's editorial read on what is moving.",
          "inputSchema": {
            "properties": {
              "category": {
                "description": "Signal category tag (case-insensitive): VS_BENCHMARK_DRIFT | CROSS_VENUE_DIVERGENCE | VOLUME_SPIKE | MOMENTUM_REPRICING | PRE_EVENT_PRICING. For thematic filtering use list_events.",
                "type": "string"
              },
              "detection_path": {
                "enum": [
                  "news_cycle",
                  "cross_venue_divergence",
                  "benchmark_drift",
                  "volume_spike"
                ],
                "type": "string"
              },
              "event_id": {
                "description": "Return only wires that target or link to this CM event_id.",
                "type": "string"
              },
              "limit": {
                "default": 30,
                "maximum": 100,
                "minimum": 1,
                "type": "integer"
              },
              "venue": {
                "enum": [
                  "kalshi",
                  "polymarket"
                ],
                "type": "string"
              }
            },
            "type": "object"
          }
        },
        {
          "name": "get_signal",
          "description": "Fetch one full CM Signal wire by slug: headline, the 3-5 structured bullets, atomic claims with per-field provenance tiers, the target + linked events, primary and related markets with prices, and sources. Use when you have a wire slug (from list_signals) and need the complete bulletin with its proof chain.",
          "inputSchema": {
            "properties": {
              "slug": {
                "description": "Wire slug, e.g. \"us-iran-nuclear-deal-before-2027-polymarket-77-2026-05-29\".",
                "type": "string"
              }
            },
            "required": [
              "slug"
            ],
            "type": "object"
          }
        }
      ]
    },
    "name": "ClearMarket",
    "note": "Indexed from the official MCP registry: facts and our own checks, not reviewed, so no score, grade or rank.",
    "packages": null,
    "pageJsonUrl": "https://www.anchorterminal.com/tools/clearmarket.json",
    "popularity": {
      "githubStars": 3
    },
    "registryName": "fyi.clearmarket/clearmarket",
    "remotes": [
      {
        "type": "streamable-http",
        "url": "https://api.clearmarket.fyi/mcp"
      }
    ],
    "repository": "https://github.com/JDSource/clearmarket",
    "reviewed": false,
    "slug": "clearmarket",
    "source": "the official MCP registry",
    "sourceUrl": "https://registry.modelcontextprotocol.io/v0.1/servers?search=fyi.clearmarket/clearmarket",
    "summary": "Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.",
    "updatedAt": "2026-06-09T15:37:45Z",
    "url": "https://www.anchorterminal.com/tools/clearmarket",
    "vendor": "clearmarket.fyi",
    "vendorUrl": "https://clearmarket.fyi",
    "version": "0.2.0",
    "websiteUrl": "https://clearmarket.fyi",
    "where": "hosted",
    "why": [
      "vendor"
    ]
  }
}