dsh-plugin-finance-data A finance data toolkit for DeepSeek Harness agents: guaranteed-correct number formatting, return math, ratios, time value, and risk metrics. The model explains; the plugin does the arithmetic. ## Install bash dsh plugin --profile <profile> add dsh-plugin-finance-data Restart DSH. The finance_data tool is registered host-wide. ## Tool | action | purpose | | --- | --- | | format | Number/currency/percent formatting with thousands separators and Chinese 万/亿 units | | return | Simple, log, and annualized (CAGR-style) returns | | ratio | PE, PB, ROE, ROA, gross/net margin, debt-to-equity | | value | Present value, future value, implied rate | | risk | Mean, volatility, max drawdown, historical VaR(95), Sharpe from a return series | | checklist | Data-quality checklist (source, as-of date, units, definitions) | ## Config All optional, on the composition row's config: | key | default | meaning | | --- | --- | --- | | personaSection | true | register the finance prompt-guidance section | | sectionOrder | 6 | prompt section order (persona is 0, ascending) | ## Design Pure logic (lib/finance.js) has zero DSH/Cordis imports and is unit-tested in isolation; lib/index.js is the thin Cordis plugin wiring the tool and the prompt section. No filesystem access — deterministic and side-effect free. ## License MIT