MCP MeasureMCP Measure

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Canon (wallstreet.wiki)

Finance canon lookup plus 30 deterministic formulas, each with a verifiable receipt.

使うべきか

品質と安全性

A
説明の品質
98%
スキーマの完全性
76%
命名の品質
80%
ポイズニングのリスク
100%
権限の一致
100%
プロトコルへの準拠
100%

検出事項（1）

  • LOWTool 'canon_entity' description lacks action verbcanon_entity 内

ツール定義とプロトコルへの準拠に関する自動分析に基づいています。

コンテキストコスト

~2,239トークン数（ツール定義）
~1.1 KB一般的なレスポンスサイズ
注意への影響は中程度（128k コンテキストの 1.75%）

これは、サーバーのツールがモデルのコンテキストに読み込まれるたびに消費されるおおよそのトークン数です。数が多いほど、ほかのタスクに使える注意が減ります。

インストール

ワンクリックインストール

これを `claude_desktop_config.json` ファイルに追加してください:

{
  "mcpServers": {
    "canon": {
      "url": "https://canon.wallstreet.wiki/mcp"
    }
  }
}

リモートエンドポイント

https://canon.wallstreet.wiki/mcpstreamable-http

できること

ツール一覧

ツール（13）

🟢 読み取り専用🟡 書き込み🔴 削除⚪ 不明
🟢canon_sites

The sites in the .wiki finance canon with live entry counts and review dates.

入力スキーマ

{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢canon_search(q, site, limit)

Search defined terms and reference tables across all canon sites (options, fixed income, quants, PE, M&A, private credit, venture, hedge funds). Returns ranked hits with a citable url and the JSON source.

入力スキーマ

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string",
      "minLength": 1,
      "maxLength": 200,
      "description": "Search phrase, e.g. \"modified duration\" or \"option pool shuffle\""
    },
    "site": {
      "description": "Restrict to one site",
      "type": "string",
      "enum": [
        "wallstreet.wiki",
        "hedgefund.wiki",
        "options.wiki",
        "fixed-income.wiki",
        "quants.wiki",
        "pe-finance.wiki",
        "m-a.wiki",
        "privatecredit.wiki",
        "venture-capital.wiki"
      ]
    },
    "limit": {
      "default": 10,
      "type": "integer",
      "minimum": 1,
      "maximum": 50
    }
  },
  "required": [
    "q"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢canon_get_entry(site, id)

Full definition and notes for one entry, by site and id (ids come from canon_search).

入力スキーマ

{
  "type": "object",
  "properties": {
    "site": {
      "type": "string",
      "enum": [
        "wallstreet.wiki",
        "hedgefund.wiki",
        "options.wiki",
        "fixed-income.wiki",
        "quants.wiki",
        "pe-finance.wiki",
        "m-a.wiki",
        "privatecredit.wiki",
        "venture-capital.wiki"
      ]
    },
    "id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 200,
      "description": "Entry id or slug, e.g. \"modified-duration\""
    }
  },
  "required": [
    "site",
    "id"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢canon_changes(since)

Aggregated dated change events across every vertical, newest first. Poll this instead of re-crawling.

入力スキーマ

{
  "type": "object",
  "properties": {
    "since": {
      "description": "ISO date; only events on or after this date",
      "type": "string",
      "pattern": "^\\d{4}-\\d{2}-\\d{2}$"
    }
  },
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢canon_list_formulas

The deterministic formula registry: id, site, summary, input names and citations. Call canon_describe_formula for a schema.

入力スキーマ

{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢canon_describe_formula(formula)

Input schema with ranges and defaults, output names, stated convention, citations and test vectors for one formula.

入力スキーマ

{
  "type": "object",
  "properties": {
    "formula": {
      "type": "string",
      "enum": [
        "options.bsm.price",
        "options.bsm.greeks",
        "options.implied_vol",
        "options.put_call_parity",
        "options.vertical_spread",
        "options.kelly",
        "options.expected_move",
        "bonds.price",
        "bonds.ytm",
        "bonds.risk",
        "hf.sharpe",
        "hf.sortino",
        "hf.max_drawdown",
        "hf.fee_net",
        "quant.annualize",
        "quant.var_parametric",
        "pe.irr",
        "pe.multiples",
        "vc.round",
        "ma.accretion_dilution",
        "ma.lbo_returns",
        "credit.all_in_yield",
        "credit.coverage",
        "cal.is_trading_day",
        "cal.holidays",
        "cal.trading_days_between",
        "cal.add_trading_days",
        "cal.settlement",
        "cal.next_expiration",
        "cal.year_fraction"
      ]
    }
  },
  "required": [
    "formula"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢canon_compute(formula, inputs)

Run one formula from the registry on validated inputs. Returns outputs, the convention used, citations, and a receipt whose id is sha256 over formula, version, canonical inputs and outputs. Invalid inputs return an explicit problem list and a working example instead of nulls.

入力スキーマ

{
  "type": "object",
  "properties": {
    "formula": {
      "type": "string",
      "enum": [
        "options.bsm.price",
        "options.bsm.greeks",
        "options.implied_vol",
        "options.put_call_parity",
        "options.vertical_spread",
        "options.kelly",
        "options.expected_move",
        "bonds.price",
        "bonds.ytm",
        "bonds.risk",
        "hf.sharpe",
        "hf.sortino",
        "hf.max_drawdown",
        "hf.fee_net",
        "quant.annualize",
        "quant.var_parametric",
        "pe.irr",
        "pe.multiples",
        "vc.round",
        "ma.accretion_dilution",
        "ma.lbo_returns",
        "credit.all_in_yield",
        "credit.coverage",
        "cal.is_trading_day",
        "cal.holidays",
        "cal.trading_days_between",
        "cal.add_trading_days",
        "cal.settlement",
        "cal.next_expiration",
        "cal.year_fraction"
      ]
    },
    "inputs": {
      "type": "object",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {},
      "description": "Inputs keyed by name; see canon_describe_formula"
    }
  },
  "required": [
    "formula",
    "inputs"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢canon_verify(receipt)

Recompute a receipt from its inputs and confirm its id and outputs. Use it to check a number another agent or document claims came from this service.

入力スキーマ

{
  "type": "object",
  "properties": {
    "receipt": {
      "type": "object",
      "propertyNames": {
        "type": "string"
      },
      "additionalProperties": {},
      "description": "The receipt object returned by canon_compute"
    }
  },
  "required": [
    "receipt"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢canon_batch(items)

Run up to 50 computes in one call, for scenario grids and sensitivity tables. Each item returns its own receipt; the batch receipt id is sha256 over the sorted item receipt ids, so a whole table can be cited by one hash.

入力スキーマ

{
  "type": "object",
  "properties": {
    "items": {
      "minItems": 1,
      "maxItems": 50,
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "formula": {
            "type": "string",
            "enum": [
              "options.bsm.price",
              "options.bsm.greeks",
              "options.implied_vol",
              "options.put_call_parity",
              "options.vertical_spread",
              "options.kelly",
              "options.expected_move",
              "bonds.price",
              "bonds.ytm",
              "bonds.risk",
              "hf.sharpe",
              "hf.sortino",
              "hf.max_drawdown",
              "hf.fee_net",
              "quant.annualize",
              "quant.var_parametric",
              "pe.irr",
              "pe.multiples",
              "vc.round",
              "ma.accretion_dilution",
              "ma.lbo_returns",
              "credit.all_in_yield",
              "credit.coverage",
              "cal.is_trading_day",
              "cal.holidays",
              "cal.trading_days_between",
              "cal.add_trading_days",
              "cal.settlement",
              "cal.next_expiration",
              "cal.year_fraction"
            ]
          },
          "inputs": {
            "type": "object",
            "propertyNames": {
              "type": "string"
            },
            "additionalProperties": {}
          }
        },
        "required": [
          "formula",
          "inputs"
        ]
      }
    }
  },
  "required": [
    "items"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢canon_entity(q, limit)

Map a ticker (AAPL, BRK.B), a CIK, or a company name to one issuer id with every ticker and exchange, plus EDGAR filing locations. Use before joining prices, filings and news so identifiers line up; source is the SEC public ticker file.

入力スキーマ

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string",
      "minLength": 1,
      "maxLength": 200
    },
    "limit": {
      "type": "integer",
      "minimum": 1,
      "maximum": 50
    }
  },
  "required": [
    "q"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢canon_thresholds(q, authority)

Reference table of the regulatory figures agents get wrong: 13F, 13D and 13G, Form 4, Form PF tiers, adviser registration, 3(c)(1) and 3(c)(7), accredited investor, qualified client, Form D, CFTC 4.13(a)(3), ERISA 25 percent, AIFMD, HSR, Reg T. Each row carries the rule, authority, effective date, primary source and a confidence label. Filter by words or authority.

入力スキーマ

{
  "type": "object",
  "properties": {
    "q": {
      "type": "string",
      "maxLength": 200
    },
    "authority": {
      "type": "string",
      "maxLength": 40
    }
  },
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢canon_contract(venue, id)

Fetch one Kalshi (ticker) or Polymarket (slug or condition id) contract and return rules text, close time, resolution source and status in one shape. For a paid cross-venue identity check with a snapshot receipt, call GET /v1/contracts/compare over REST.

入力スキーマ

{
  "type": "object",
  "properties": {
    "venue": {
      "type": "string",
      "enum": [
        "kalshi",
        "polymarket"
      ]
    },
    "id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 200
    }
  },
  "required": [
    "venue",
    "id"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}
🟢canon_cite(site, id, format)

Ready-to-paste citation strings (markdown, plain, apa, bibtex) for one entry, with the reviewed date. Use when writing a report that quotes the canon.

入力スキーマ

{
  "type": "object",
  "properties": {
    "site": {
      "type": "string",
      "enum": [
        "wallstreet.wiki",
        "hedgefund.wiki",
        "options.wiki",
        "fixed-income.wiki",
        "quants.wiki",
        "pe-finance.wiki",
        "m-a.wiki",
        "privatecredit.wiki",
        "venture-capital.wiki"
      ]
    },
    "id": {
      "type": "string",
      "minLength": 1,
      "maxLength": 200
    },
    "format": {
      "type": "string",
      "enum": [
        "markdown",
        "plain",
        "apa",
        "bibtex"
      ]
    }
  },
  "required": [
    "site",
    "id"
  ],
  "$schema": "http://json-schema.org/draft-07/schema#"
}

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