local-budget: Skill for Claude Code

.claude/skills/budget-budgets/SKILL.md

budget-budgets is a skill for Claude Code from natejswenson/local-budget. It costs 23 tokens per session (464 once invoked), scanned A, original, MIT.

A budgeting tool for reviewing spending against category limits and setting limits or expected income. It requires confirmation before each change is saved.

In plain words
What is it for?
Use it to inspect budgets, review category spending, list valid categories, set or remove limits, mark floor-based categories, and record expected income after confirmation.
Why use it?
It helps compare spending with targets while avoiding invented numbers and unintended budget changes.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is natejswenson/local-budget's own configuration. It tells Claude Code how to work on local-budget itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything local-budget configures →

Reuse

Borrowing it

Nothing to install: this file belongs to natejswenson/local-budget. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/natejswenson/local-budget/main/.claude/skills/budget-budgets/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/natejswenson/local-budget

Made for: Claude Code.

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 budget-budgets

README.md
[![agentmods](https://agentmods.dev/badge/skills/natejswenson/local-budget/budget-budgets/github.svg)](https://agentmods.dev/skills/natejswenson/local-budget/budget-budgets)
Your own site
<a href="https://agentmods.dev/skills/natejswenson/local-budget/budget-budgets"><img src="https://agentmods.dev/badge/skills/natejswenson/local-budget/budget-budgets/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for budget-budgets

Your own site · 80×15
<a href="https://agentmods.dev/skills/natejswenson/local-budget/budget-budgets"><img src="https://agentmods.dev/badge/skills/natejswenson/local-budget/budget-budgets.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 23 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 464 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe.
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 5.1 $0.00023 $0.00464
Opus 5 $0.00012 $0.00232
Sonnet 5 $0.00005 $0.00093
Haiku 4.5 $0.00002 $0.00046

Measured 10d ago against content hash 9e2428cea295, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

budget-budgets 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 10d 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/budget-budgets/SKILL.md · 42 lines

What it actually says

Budget Budgets

Review spending against limits and adjust them. Follow the budget-analyst discipline: never invent a number, and print each tool's rendered block verbatim before synthesizing.

Read first

  1. budget_overview — spend vs. limit per category, with over-budget flagged. "Over" is direction-relative, not universally "spent more than": a floor-type category (e.g. Investments — set via mark_floor_category) flags "over" when spend falls under its target, not over it.
  2. get_category_breakdown — drill into a category's spending when deciding a limit.
  3. list_categories — the exact category vocabulary (names, floor/ceiling direction, custom flags). Call it before proposing any write so the name is exact, and to answer "which categories are floor-type?".

Print each tool's rendered block verbatim.

Write — confirm each one

For each change, confirm before writing: show the user the exact change (category, current limit → proposed limit) and get an explicit "yes" before calling the write tool. One confirmation per write.

  • set_budget_limit — set or change a category's spending limit.
  • clear_budget_limit — remove a category's limit.
  • set_expected_income — set the expected income for the period.
  • mark_floor_category / unmark_floor_category — flip a category between floor-type ("more is good", e.g. Investments — its limit becomes a target to meet) and ordinary ceiling semantics. Confirm like any other write, and state the direction change in plain words ("under $500/mo will now flag as off track, over won't").

Never write without the user's yes. If the user declines, leave the limit unchanged.

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. 10d ago First seen · 42 lines · 23 tokens per session scan A 9e2428cea295

Subscribe to this mod's changes

budget-budgets is a skill published in the GitHub repository natejswenson/local-budget (0 stars, last pushed yesterday), licensed MIT. It adds 23 tokens to every session and 464 once invoked, about $0.0001 per session on Opus 5. 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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