Canon (wallstreet.wiki)

Official13 tools

by wallstreet

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

wiki.wallstreet/canon — MCP Server

The wiki.wallstreet/canon MCP server provides finance canon lookup plus 30 deterministic formulas. Each formula includes a verifiable receipt. The server is identified by the slug wiki-wallstreet-canon and exposes 13 tools for interacting with this finance reference and formula set.

🛠️ Key Features

Finance canon lookup
30 deterministic formulas
Verifiable receipts for formulas
13 tools exposed

🚀 Use Cases

Retrieve entries from a finance canon
Compute or validate deterministic financial formulas with receipts

⚡ Developer Benefits

Deterministic outputs from formula definitions
Verifiable receipts support validation workflows

⚠️ Limitations

Documentation available here does not describe specific tool names, inputs, or output formats beyond the stated lookup and formulas.

Captured live from the server via tools/list.

canon_sites

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

Parameters

No parameters.

Raw schema

{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#"
}

canon_search

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.

Parameters3

q	string	required	Search phrase, e.g. "modified duration" or "option pool shuffle"
site	string	optional	Restrict to one site
limit	integer	optional

Raw schema

{
  "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

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

Parameters2

site	string	required
id	string	required	Entry id or slug, e.g. "modified-duration"

Raw schema

{
  "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

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

Parameters1

since

string

optional

ISO date; only events on or after this date

Raw schema

{
  "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.

Parameters

No parameters.

Raw schema

{
  "type": "object",
  "properties": {},
  "$schema": "http://json-schema.org/draft-07/schema#"
}

canon_describe_formula

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

Parameters1

formula

string

required

Raw schema

{
  "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

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.

Parameters2

formula	string	required
inputs	object	required	Inputs keyed by name; see canon_describe_formula

Raw schema

{
  "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

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.

Parameters1

receipt

object

required

The receipt object returned by canon_compute

Raw schema

{
  "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

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.

Parameters1

items

array

required

Raw schema

{
  "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

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.

Parameters2

q	string	required
limit	integer	optional

Raw schema

{
  "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

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.

Parameters2

q	string	optional
authority	string	optional

Raw schema

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

canon_contract

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.

Parameters2

venue	string	required
id	string	required

Raw schema

{
  "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

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.

Parameters3

site	string	required
id	string	required
format	string	optional

Raw schema

{
  "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#"
}

Install

Tools (13)

canon_sitescanon_searchcanon_get_entrycanon_changescanon_list_formulascanon_describe_formulacanon_computecanon_verify

Remote endpoint

Streamable HTTP

Hosted server - connect over the network, no local install.

url

https://canon.wallstreet.wiki/mcp

Add to VS Code Add to Cursor

claude_desktop_config.json

json

{
  "mcpServers": {
    "canon": {
      "command": "npx",
      "args": [
        "-y",
        "mcp-remote",
        "https://canon.wallstreet.wiki/mcp"
      ]
    }
  }
}

Desktop config is stdio-only; this bridges via mcp-remote. Native remote: Settings > Connectors.

wiki.wallstreet/canon — MCP Server

🛠️ Key Features

🚀 Use Cases

⚡ Developer Benefits

⚠️ Limitations

canon_sites

canon_search

canon_get_entry

canon_changes

canon_list_formulas

canon_describe_formula

canon_compute

canon_verify

canon_batch

canon_entity

canon_thresholds

canon_contract

canon_cite

Install

Remote endpoint

Related servers