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Free trading calculators, trading-system rules, a glossary and lesson search. No market data.
Remote server: your requests and data go to app.cleartape.ai. Claude Code: claude mcp add --transport http clear-tape https://app.cleartape.ai/mcp · Claude app: Settings → Connectors → Add custom connector.
The tools this server listed when we connected to it, in its own words.
calculate_position_size — Position size from the stop: how many shares to buy (or short) so that a stop-out loses a set percentage of the account. Computed with the scalculate_risk_reward — Risk/reward ratio of a planned trade, the win rate it needs to break even, and (optionally) an exit expressed as an R multiple. Computed witcalculate_expectancy — Expectancy per trade, per 100 trades, payoff ratio, break-even win rate and profit factor from a win rate and average win and loss. Computedcalculate_atr_stop — A volatility (ATR) stop: entry minus (long) or plus (short) a multiple of the average true range. Give atr, or at least five recent daily racalculate_drawdown_recovery — The gain needed to recover from a drawdown and, optionally, how many losing trades in a row at a fixed risk per trade cause it. Computed witcalculate_kelly_criterion — Full and fractional Kelly risk per trade from a win rate and payoff ratio, with the edge per 1R and the break-even win rate. Computed with tcalculate_trading_cost — The cost of one round trip (commissions, bid-ask spread, slippage) in USD, in R, as a share of the target move and of the position, and overcalculate_losing_streak — The exact probability of at least one losing streak of a given length over a number of independent trades, the expected longest streak and tget_trading_system_rules — Without id: lists Clear Tape's eleven preset trading systems (trend, breakout, momentum and volume) with their style, holding period and onelookup_glossary_term — Looks up a trading term in Clear Tape's bilingual (English and Simplified Chinese) glossary of about 70 terms, such as "R multiple", "ATR", search_learning — Searches Clear Tape's free trading education by keyword: the Learn articles, the Academy lessons, the trading-strategy pages and the calculaNot tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.