{
  "data": {
    "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"
      ]
    }
  },
  "kind": "anchor.page",
  "links": {
    "api": "https://www.anchorterminal.com/api/v1/index.json",
    "html": "https://www.anchorterminal.com/tools/clearmarket",
    "json": "https://www.anchorterminal.com/tools/clearmarket.json",
    "llms": "https://www.anchorterminal.com/llms.txt",
    "markdown": "https://www.anchorterminal.com/tools/clearmarket.md",
    "slim": "https://www.anchorterminal.com/tools/clearmarket.min.md"
  },
  "markdown": "# ClearMarket\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 clearmarket.fyi (https://clearmarket.fyi)\n- Listed because: It's published in the registry under clearmarket.fyi, a namespace the registry only gives to whoever proves they control that domain.\n- What the official MCP registry says: Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.\n\n## Facts\n\n- MCP registry: `fyi.clearmarket/clearmarket` 0.2.0\n- Endpoint: https://api.clearmarket.fyi/mcp (streamable HTTP)\n- Source: https://github.com/JDSource/clearmarket\n- Website: https://clearmarket.fyi\n- GitHub stars: 3\n- Registry entry updated: 2026-06-09\n\n## Tools\n\n- Tools it lists (6, about 1,657 tokens of context, `tools/list` without credentials, checked 2026-10-04 22:25 UTC):\n  - `list_events`: Browse or search ClearMarket prediction-market events. Filter by category, platform, Resolution Clarity Grade, or free-text `q`. `q` is token-AND across…\n  - `get_event`: 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…\n  - `get_market`: 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…\n  - `list_upcoming_catalysts`: 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…\n  - `list_signals`: 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…\n  - `get_signal`: 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…\n- How its tools read to an agent (0 errors, 9 warnings, 1 note, about 1,657 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):\n  - warn TC11 list_events: 4 parameters without a description: category, limit, offset, platform\n  - warn TC11 list_signals: 3 parameters without a description: detection_path, limit, venue\n  - warn TC11 list_upcoming_catalysts: its one parameter, days, has no description\n  - warn TC16 get_event: no readOnlyHint or destructiveHint\n  - warn TC16 get_market: no readOnlyHint or destructiveHint\n  - warn TC16 get_signal: no readOnlyHint or destructiveHint\n  - warn TC16 list_events: no readOnlyHint or destructiveHint\n  - warn TC16 list_signals: no readOnlyHint or destructiveHint\n  - warn TC16 list_upcoming_catalysts: no readOnlyHint or destructiveHint\n  - note TC24 server: 6 of 6 tools have no outputSchema\n\n- JSON: https://www.anchorterminal.com/api/v1/tools/clearmarket.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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    "description": "ClearMarket, an MCP server by clearmarket.fyi, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Reference data for prediction markets: graded resolution clarity, cross-venue links, provenance.",
    "facts": [
      "not reviewed",
      "not ranked",
      "facts only"
    ],
    "h1": "ClearMarket",
    "image": "https://www.anchorterminal.com/assets/og/indexed.png",
    "path": "/tools/clearmarket",
    "published": "",
    "section": "indexed",
    "title": "ClearMarket: MCP server, indexed from the official MCP registry",
    "toc": null,
    "updated": "2026-10-05",
    "url": "https://www.anchorterminal.com/tools/clearmarket"
  },
  "tokens": {
    "markdown": 950,
    "slim": 880
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  "version": 1
}