add-budget

add-budget is a skill for Claude Code, Codex from PayRequest/copana. It costs 0 tokens per session (237 once invoked), scanned A, original, MIT.

A setup command that adds personal budget tracking to a Copana project using a budget file and a transaction log.

In plain words
What is it for?
Use it to define a monthly budget, track spending by category and currency, and optionally add an alert script for overspending.
Why use it?
It puts planned spending and recorded expenses in one place so you can see how much remains in each category.

Skill for Claude CodeCodex

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/payrequest/copana/add-budget
Any agent
npx skills add PayRequest/copana --skill add-budget
Clone the repo
git clone --depth 1 https://github.com/PayRequest/copana

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for add-budget

README.md
[![agentmods](https://agentmods.dev/badge/skills/payrequest/copana/add-budget.svg)](https://agentmods.dev/skills/payrequest/copana/add-budget)
Your own site
<a href="https://agentmods.dev/skills/payrequest/copana/add-budget"><img src="https://agentmods.dev/badge/skills/payrequest/copana/add-budget.svg" alt="Measured on agentmods" height="20"></a>
Per session 0 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 237 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00000 $0.00237
Opus 5 $0.00000 $0.00118
Sonnet 5 $0.00000 $0.00047
Haiku 4.5 $0.00000 $0.00024

Measured 4d ago against content hash 2dcff80ed81b, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade A, and why

add-budget scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 4d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

.claude/skills/add-budget/SKILL.md · 34 lines

What it actually says

/add-budget — Add Budget Tracking

Add personal budget tracking to your Copana setup.

Steps

  1. Ask the user:

    • Monthly budget amount
    • Budget categories (or use sensible defaults: Rent, Food, Transport, Fun, Savings)
    • Currency (default: USD)
  2. Create budget.md in the repo root with:

    • Monthly budget total
    • Categories table (Category | Budget | Spent)
    • Transactions log table (Date | Amount | Category | Note)
  3. Update CLAUDE.md — add to file registry:

    | `budget.md` | Monthly budget and spending |
    
  4. Add to CLAUDE.md anticipation rules:

    - If {{human_name}} mentions money → check budget.md for context
    
  5. Optionally create scripts/budget_alert.py — daily budget check:

    • Parse budget.md for spending
    • Calculate remaining budget
    • Send notification if overspending
    • Add to crontab
  6. Commit changes.

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 4d ago First seen · 34 lines · 0 tokens per session scan A 2dcff80ed81b

Subscribe to this mod's changes

add-budget is a skill published in the GitHub repository PayRequest/copana (10 stars, last pushed 6mo ago), licensed MIT. It costs nothing until one of its globs matches a file; then it loads 237 tokens. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-31.

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