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Compound

作者 bytesagain4 · GitHub ↗ · v1.0.0 · MIT-0
cross-platform ✓ 安全检测通过
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当前安装
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在 OpenClaw 中安装
/install compound
功能描述
Calculate compound interest and investment growth using financial formulas. Use when you need to plan savings, compare rates, or project wealth.
使用说明 (SKILL.md)

Compound — Compound Interest Calculator

Compound is a command-line compound interest calculator that helps you plan investments, compare interest rates, build amortization schedules, and project financial growth over time.

All calculation history is stored in ~/.compound/data.jsonl as JSONL records for future reference and comparison.

Prerequisites

  • Python 3.8+ with standard library
  • bash shell

Commands

calculate

Calculate compound interest for a given principal, rate, and time period.

Environment Variables:

  • PRINCIPAL (required) — Initial investment amount
  • RATE (required) — Annual interest rate as percentage (e.g., 5.5)
  • YEARS (required) — Number of years
  • FREQUENCY — Compounding frequency: daily, monthly, quarterly, annually (default: monthly)
  • CONTRIBUTION — Regular contribution amount (default: 0)
  • CONTRIB_FREQ — Contribution frequency: monthly, quarterly, annually (default: monthly)

Example:

PRINCIPAL=10000 RATE=7.5 YEARS=20 FREQUENCY=monthly bash scripts/script.sh calculate

compare

Compare multiple interest rate or compounding frequency scenarios side by side.

Environment Variables:

  • PRINCIPAL (required) — Initial investment amount
  • RATES (required) — Comma-separated list of rates to compare (e.g., "3,5,7,10")
  • YEARS (required) — Number of years
  • FREQUENCY — Compounding frequency (default: monthly)

schedule

Generate a detailed payment/growth schedule showing balances at each period.

Environment Variables:

  • PRINCIPAL (required) — Initial investment amount
  • RATE (required) — Annual interest rate as percentage
  • YEARS (required) — Number of years
  • FREQUENCY — Compounding frequency (default: monthly)
  • CONTRIBUTION — Regular contribution amount (default: 0)

table

Display a year-by-year summary table of investment growth.

Environment Variables:

  • PRINCIPAL (required) — Initial investment amount
  • RATE (required) — Annual interest rate
  • YEARS (required) — Number of years
  • CONTRIBUTION — Regular contribution (default: 0)

rate

Calculate the required interest rate to reach a financial goal.

Environment Variables:

  • PRINCIPAL (required) — Starting amount
  • TARGET (required) — Target amount
  • YEARS (required) — Time period in years
  • FREQUENCY — Compounding frequency (default: monthly)

goal

Calculate how long it takes to reach a savings goal.

Environment Variables:

  • PRINCIPAL (required) — Starting amount
  • TARGET (required) — Goal amount
  • RATE (required) — Annual interest rate
  • CONTRIBUTION — Regular contribution (default: 0)

chart

Generate an ASCII chart of investment growth over time.

Environment Variables:

  • PRINCIPAL (required) — Initial amount
  • RATE (required) — Annual interest rate
  • YEARS (required) — Number of years
  • WIDTH — Chart width in characters (default: 60)
  • HEIGHT — Chart height in lines (default: 20)

export

Export calculation history to a file.

Environment Variables:

  • OUTPUT — Output file path (default: stdout)
  • FORMAT — Export format: json, csv, jsonl (default: json)
  • CALC_ID — Specific calculation ID to export (default: all)

config

View or update default configuration settings.

Environment Variables:

  • KEY — Configuration key to set
  • VALUE — Configuration value

history

View past calculations with their results.

Environment Variables:

  • LIMIT — Maximum entries to display (default: 20)
  • SORT — Sort by: date, principal, rate, total (default: date)

help

Display usage information and available commands.

version

Display the current version of the compound tool.

Data Storage

All calculations are stored in ~/.compound/data.jsonl. Each line is a JSON object with fields:

  • id — Unique calculation identifier
  • timestamp — ISO 8601 creation time
  • type — Calculation type (calculate, compare, goal, etc.)
  • params — Input parameters
  • result — Calculation results (final amount, interest earned, etc.)

Configuration

Config stored in ~/.compound/config.json:

  • default_frequency — Default compounding frequency (default: monthly)
  • currency_symbol — Currency symbol for display (default: $)
  • decimal_places — Number of decimal places (default: 2)

Powered by BytesAgain | bytesagain.com | [email protected]

安全使用建议
This skill appears coherent and implements a local compound-interest calculator. Before installing/running: 1) Inspect scripts/script.sh yourself (it is included) — the code is local and readable. 2) Note it will create ~/.compound/config.json and ~/.compound/data.jsonl and append calculation history there. 3) Be aware you (or the environment) can override storage paths with DATA_FILE and CONFIG_FILE environment variables (these overrides are not documented in SKILL.md); avoid setting those to sensitive file paths. 4) Run it as a normal user (not root) and ensure Python 3 is available. If you need stronger guarantees, run the tool in a sandboxed environment or review the full script content before use.
功能分析
Type: OpenClaw Skill Name: compound Version: 1.0.0 The 'compound' skill is a financial utility for calculating compound interest, comparing rates, and generating investment schedules. It stores calculation history and configuration settings locally in the user's home directory (~/.compound/), which is clearly documented in SKILL.md. The implementation in scripts/script.sh uses Python heredocs with standard libraries (math, json, uuid) and performs basic input validation by casting environment variables to floats. While the 'export' command allows writing to a user-specified path, this is a standard feature for such a tool and lacks any evidence of malicious intent or hidden exfiltration logic.
能力评估
✓ Purpose & Capability
The name/description (compound interest calculator) match the provided script and SKILL.md. The script implements calculate, compare, schedule, table, export, history, config, etc., and stores data under ~/.compound as described. No unrelated cloud credentials, binaries, or capabilities are requested.
ℹ Instruction Scope
SKILL.md and the script are consistent about accepted calculation env vars and that history is stored at ~/.compound/data.jsonl. However, the embedded Python code also reads DATA_FILE and CONFIG_FILE environment variables (os.environ.get) as overrides for the storage/config paths; these two override vars are not documented in SKILL.md. That means an environment could redirect where results/config are read/written without being obvious from the docs.
✓ Install Mechanism
There is no install spec or remote download; the skill is instruction-only with an included local script. No network downloads or archive extraction are performed. The script will run locally using bash/python, which is expected for this kind of tool.
ℹ Credentials
The skill does not request secrets or external service credentials and only uses standard local env vars for inputs (PRINCIPAL, RATE, YEARS, etc.). The only proportionality concern is the undocumented DATA_FILE and CONFIG_FILE env overrides in the script: if someone sets those to paths outside the ~/.compound directory (intentionally or accidentally), the script will read/write there. No other sensitive env vars are referenced.
✓ Persistence & Privilege
The skill persistently writes history and a config file under the user's home (~/.compound). This is expected for a calculator with history and configuration. It does not request always:true, does not modify other skills or system-wide agent settings, nor does it run background services.
如何使用
  1. 确保已安装 OpenClaw（本地或 Docker 部署）
  2. 在对话框中输入安装命令：/install compound
  3. 安装完成后，直接呼叫该 Skill 的名称或使用 /compound 触发
  4. 根据 Skill 的参数说明提供必要输入，即可获得结构化输出
版本历史
v1.0.0
publish v1.0.0
元数据
Slug compound
版本 1.0.0
许可证 MIT-0
累计安装 1
当前安装数 1
历史版本数 1
常见问题

Compound 是什么？

Calculate compound interest and investment growth using financial formulas. Use when you need to plan savings, compare rates, or project wealth. 它是一个面向 Claude Code / OpenClaw 的 AI Agent Skill 插件，目前累计下载 228 次。

如何安装 Compound？

在 OpenClaw 或 Claude Code 对话框中运行命令「/install compound」即可一键安装，无需额外配置。

Compound 是免费的吗？

是的，Compound 完全免费，采用 MIT-0 许可证，可自由下载、安装和使用。

Compound 支持哪些平台？

Compound 跨平台运行，可在任意部署了 OpenClaw / Claude Code 的环境中使用（cross-platform）。

谁开发了 Compound？

由 bytesagain4（@xueyetianya）开发并维护，当前版本 v1.0.0。

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