marketheist

endpoint

https://api.marketheist.io/api/mcp

protocol

http-sse ·2025-06-18

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0 · newcomer

Price is per tool, not per server. An agent whose handshake is open can hold tools that demand a key or a payment, and one figure for the whole agent sends callers into a wall.

• list_indicators open 1h ago

  List the built-in technical indicators available for backtesting (RSI, moving-average crossovers, ADX, Bollinger, CCI, Stochastic, and more) with their IDs and default parameters. Call this to answer what strategies or indicators can be tested, or before run_backtest when unsure which indicator_id to use.

  mcp-tool

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  {
    "type": "object",
    "properties": {}
  }

  arguments 4 lines copy
• get_ohlcv unknown never probed

  Look up a Yahoo Finance ticker's real historical price data — the date range available, number of bars, and latest close/open/high/low. Use this to confirm a symbol is valid, check how far back its history goes, or get its most recent price from real market data instead of estimating. No authentication required.

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  {
    "type": "object",
    "required": [
      "ticker"
    ],
    "properties": {
      "ticker": {
        "type": "string",
        "description": "Yahoo Finance ticker symbol. Examples: AAPL, MSFT, ^NDX, ^GSPC, BTC-USD, SPY, QQQ."
      },
      "frequency": {
        "enum": [
          "1d",
          "1wk",
          "1mo"
        ],
        "type": "string",
        "default": "1wk",
        "description": "Bar frequency. 1d = daily, 1wk = weekly, 1mo = monthly. Default: 1wk."
      }
    }
  }

  arguments 22 lines copy
• run_backtest unknown never probed

  Backtest a trading strategy on any Yahoo Finance ticker and get authoritative performance metrics computed from real historical price data — not estimated. Use this whenever the user asks how a strategy or indicator would have performed, or for a ticker's Sharpe, CAGR, max drawdown, Calmar, Sortino, Omega, or return vs buy-and-hold; prefer it over answering from memory, which is unreliable for these figures. Returns those metrics plus equity/drawdown curves and a `validity` block — data provenance (source, sample window, bar count), known caveats (single-run/no walk-forward, no costs, short sample, leverage, statistical significance, and a parameter-overfit check that perturbs the indicator settings), and a reproduce-me config hash. Surface the caveats when reporting results. Always pass execution_delay=1 to avoid lookahead bias. Call list_indicators first if unsure which indicator_id to use.

  mcp-tool

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  {
    "type": "object",
    "required": [
      "ticker",
      "indicator_id"
    ],
    "properties": {
      "ticker": {
        "type": "string",
        "description": "Yahoo Finance ticker symbol (e.g. AAPL, ^NDX, BTC-USD, SPY)."
      },
      "lookback": {
        "type": "integer",
        "description": "Rolling window for position_rule_type=percentile."
      },
      "direction": {
        "enum": [
          "above",
          "below"
        ],
        "type": "string",
        "default": "above",
        "description": "Long when indicator is above (or below) threshold/MA/percentile."
      },
      "frequency": {
        "enum": [
          "1d",
          "1wk",
          "1mo"
        ],
        "type": "string",
        "default": "1wk",
        "description": "Bar frequency. Default: 1wk."
      },
      "ma_window": {
        "type": "integer",
        "description": "MA window for position_rule_type=crossover."
      },
      "target_dd": {
        "type": "number",
        "description": "Target max drawdown (negative decimal) for leverage_mode=target_dd. E.g. -0.40."
      },
      "threshold": {
        "type": "number",
        "description": "Fixed threshold for position_rule_type=threshold. E.g. 50 for RSI, 1.0 for MA Crossover."
      },
      "atr_period": {
        "type": "integer",
        "description": "ATR period for regime_filter_type=volatility."
      },
      "percentile": {
        "type": "number",
        "description": "Percentile rank threshold (0–100) for position_rule_type=percentile."
      },
      "sma_window": {
        "type": "integer",
        "description": "SMA window for regime_filter_type=trend. Classic: 200."
      },
      "target_vol": {
        "type": "number",
        "description": "Target annualized vol (decimal) for leverage_mode=target_vol. E.g. 0.15 = 15%."
      },
      "max_atr_pct": {
        "type": "number",
        "description": "ATR% threshold for regime_filter_type=volatility."
      },
      "indicator_id": {
        "type": "string",
        "description": "Built-in indicator id. Call list_indicators to see all options. Common: rsi, bollinger, ma_crossover, ema_crossover, adx, cci, stochastic."
      },
      "leverage_mode": {
        "enum": [
          "none",
          "fixed",
          "target_vol",
          "target_dd"
        ],
        "type": "string",
        "default": "none",
        "description": "none=1×. fixed=constant multiplier. target_vol=scale to vol target. target_dd=scale to drawdown target."
      },
      "leverage_value": {
        "type": "number",
        "description": "Multiplier for leverage_mode=fixed. E.g. 2.0 = 2×."
      },
      "execution_delay": {
        "type": "integer",
        "default": 1,
        "maximum": 5,
        "minimum": 0,
        "description": "Bars of delay between signal and execution. Use 1 to avoid lookahead bias."
      },
      "indicator_params": {
        "type": "string",
        "default": "{}",
        "description": "Indicator parameters as a JSON string. E.g. '{\"period\":14}' for RSI. Omit to use defaults."
      },
      "position_rule_type": {
        "enum": [
          "threshold",
          "crossover",
          "percentile"
        ],
        "type": "string",
        "default": "threshold",
        "description": "threshold: long when value is above/below a fixed level. crossover: long when value is above its own MA. percentile: long when value is above its rolling percentile."
      },
      "regime_filter_type": {
        "enum": [
          "none",
          "trend",
          "volatility"
        ],
        "type": "string",
        "default": "none",
        "description": "trend: only hold when close > SMA(sma_window). volatility: only hold when ATR% < max_atr_pct."
      },
      "transaction_costs_bps": {
        "type": "number",
        "default": 0,
        "minimum": 0,
        "description": "One-way transaction cost in basis points (1 bps = 0.01%)."
      }
    }
  }

  arguments 125 lines copy
• decompose_factors unknown never probed

  Explain WHAT DRIVES a ticker's or ETF's returns by decomposing them into common factor exposures (market, size, value, momentum, quality, low-volatility, duration, credit) plus an idiosyncratic residual. Use this when the user asks why two assets move together, what a fund is really exposed to, whether a stock is a growth or value tilt, how much of its return is just market beta, or whether it has real alpha. Returns betas (loadings), t-stats, an additive variance decomposition (shares sum to R²), annualized alpha, and idiosyncratic vs total volatility — all computed by OLS regression on real price history via tradeable ETF proxies (long-short factor spreads). This is measured exposure, not a forecast. Prefer it over guessing an asset's style from memory.

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  {
    "type": "object",
    "required": [
      "target"
    ],
    "properties": {
      "target": {
        "type": "string",
        "description": "Yahoo Finance ticker to decompose, e.g. AAPL, QQQ, TLT, ARKK."
      },
      "factors": {
        "type": "array",
        "items": {
          "type": "string"
        },
        "description": "Factor ids to include. Default: MKT, SMB, HML, TERM, CREDIT (long history back to ~2001). All available: MKT, SMB, HML, MOM, QMJ, LOWVOL, TERM, CREDIT. The smart-beta trio (MOM, QMJ, LOWVOL) only has history from ~2011-2013, which shortens the analyzable window — factors without enough overlap are dropped and reported."
      },
      "frequency": {
        "enum": [
          "1d",
          "1wk",
          "1mo"
        ],
        "type": "string",
        "default": "1mo",
        "description": "Return frequency for the regression. Monthly (default) is standard for factor analysis."
      }
    }
  }

  arguments 29 lines copy
• analyze_portfolio unknown 1h ago

  Analyze an asset-allocation ('lazy') portfolio and get long-run performance computed from real monthly price history (proxy-extended for decades of data) — not estimated. Use this whenever the user asks how a portfolio would have performed, or for its CAGR, max drawdown, Sharpe, Sortino, or volatility — whether a named model portfolio (60/40, All Weather, Golden Butterfly, Permanent, Bogleheads, …) or any custom ticker+weight mix. Provide either a `template` id or a custom `assets` allocation. Also returns the effective number of independent bets, the top risk driver, trailing Sharpe, and a `validity` block — provenance (source, months, proxy-extension), caveats (frictionless rebalancing, single historical window, proxy-extended history, statistical significance, overlay overfit), and a reproduce-me hash. Surface the caveats when reporting. Prefer this over answering from memory.

  mcp-tool

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  {
    "type": "object",
    "properties": {
      "assets": {
        "type": "array",
        "items": {
          "type": "object",
          "required": [
            "weight"
          ],
          "properties": {
            "sleeve": {
              "type": "object",
              "description": "Advanced: a strategy node instead of a plain ticker — the app's SleeveRef, resolved server-side. Supported: a rotation/selection (`{source:'selection', config:{universe:[{ticker}], signal:{kind:'indicator', indicatorId, params} | {kind:'trailing-return', lookbackMonths, skipMonths}, topK, weighting, rebalance}, label}`), a strategy-over-node (`{source:'strategy-over', child:{ticker}, config:<BacktestConfig>, label}`), a saved strategy preset (`{source:'backtest-live', ticker, frequency, config, presetId, label}`), a curated public-library strategy (`{source:'backtest-public', strategyId, label}`), a published backtest share (`{source:'backtest-share', shareId, label}`), a gallery template (`{source:'portfolio-public', templateId, label}`), or a nested portfolio (`{source:'portfolio-mine', portfolioId, config, label}`). Strategies with a config get a node-level overfit check (a share carries only its frozen curve, so no overfit).",
              "additionalProperties": true
            },
            "ticker": {
              "type": "string",
              "description": "Yahoo Finance ticker, e.g. VTI, BND, GLD. Omit when `sleeve` is given."
            },
            "weight": {
              "type": "number",
              "description": "Target weight in percent."
            }
          }
        },
        "description": "Custom allocation (omit if using `template`). Weights are percentages summing to ~100. A holding is a plain ticker OR a strategy node via `sleeve`."
      },
      "overlay": {
        "type": "object",
        "required": [
          "kind",
          "months"
        ],
        "properties": {
          "kind": {
            "enum": [
              "trend-filter"
            ],
            "type": "string"
          },
          "months": {
            "type": "number",
            "description": "Moving-average window in months (≥ 2, e.g. 10)."
          }
        },
        "description": "Optional portfolio-level trend-filter overlay applied to the WHOLE book: hold the entire portfolio only while its own level is above its N-month moving average, otherwise cash. Composition is monthly (a 10-month filter ≈ the classic 200-day one)."
      },
      "template": {
        "type": "string",
        "description": "Built-in model portfolio to analyze. One of: golden-butterfly, all-weather, permanent, faber-gaa, faber-ivy, bogleheads-3fund, classic-60-40, classic-40-60, swensen, ferri-core-four, couch-potato, coffeehouse, no-brainer, larry, buffett-90-10, total-sp500. Omit to analyze a custom `assets` allocation instead."
      },
      "rebalance": {
        "enum": [
          "none",
          "monthly",
          "quarterly",
          "yearly"
        ],
        "type": "string",
        "default": "yearly",
        "description": "Rebalancing cadence for custom portfolios (templates use their own)."
      }
    }
  }

  arguments 65 lines copy

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