view-usage

view-usage is a skill for Claude Code from BerriAI/litellm-skills. It costs 61 tokens per session (1,540 once invoked), scanned A, original, MIT.

A skill for querying spending and token activity from a live LiteLLM proxy, a service that routes requests to language models. It can group daily usage by user, team, organization, tag, job, or model.

In plain words
What is it for?
Use it to inspect a date range, filter by model or job tag, attribute costs to jobs, or find the highest-spending tagged jobs.
Why use it?
It helps identify how many requests and tokens are being used, what they cost, and which jobs or groups account for that activity.

Skill for Claude Code

Written for Claude Code: allowed-tools in frontmatter.

Good fit Use it to inspect a date range, filter by model or job tag, attribute costs to jobs, or find the highest-spending tagged jobs.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/berriai/litellm-skills/view-usage
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.

Any agent
npx skills add BerriAI/litellm-skills --skill view-usage
Clone the repo
git clone --depth 1 https://github.com/BerriAI/litellm-skills

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 view-usage

README.md
[![agentmods](https://agentmods.dev/badge/skills/berriai/litellm-skills/view-usage/github.svg)](https://agentmods.dev/skills/berriai/litellm-skills/view-usage)
Your own site
<a href="https://agentmods.dev/skills/berriai/litellm-skills/view-usage"><img src="https://agentmods.dev/badge/skills/berriai/litellm-skills/view-usage/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 view-usage

Your own site · 80×15
<a href="https://agentmods.dev/skills/berriai/litellm-skills/view-usage"><img src="https://agentmods.dev/badge/skills/berriai/litellm-skills/view-usage.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 61 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 1,540 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 1 finding. 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 $0.00061 $0.01540
Opus 5.5 $0.00024 $0.00616
Sonnet 5.5 $0.00012 $0.00308
Haiku 4.5 $0.00006 $0.00154

Measured 1mo ago against content hash 9919a8ebaa47, method: parsed. Prices are Anthropic first-party input rates as of 2026-10-07, from the pricing page.

Security

Grade A, and why

view-usage scanned grade A with 1 finding 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 1mo 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.

Makes network callslowCapability

Not a fault in itself. Listed so you know the mod talks to something, and to what.

compatibility: Requires curl and python3.
view-usage/SKILL.md · 176 lines

How it starts

The opening of the file, as written. The whole thing — 176 lines — stays where its author put it; the contents beside it link to each section on GitHub.

View Usage

Query daily activity and spend data from a live LiteLLM proxy.

Setup

Ask for these if not already known:

LITELLM_BASE_URL  — e.g. https://my-proxy.example.com
LITELLM_API_KEY   — proxy admin key

API reference: https://docs.litellm.ai/docs/proxy/users#get-user-spend

Ask the user

  1. View by — overall / user / team / org / tag / job (default: overall)
  2. Date range — default to current month if not given
  3. Filter by model? (optional)
  4. Job tag(s)? (optional) — for job cost attribution, ask which request tag identifies the job, for example job:nightly-eval or job=batch-import.

Job cost attribution

LiteLLM attributes per-request costs through request tags. For LLM jobs, prefer tagging requests with a stable job label such as job:<job-name> and then query tag APIs:

  • Use /tag/daily/activity?tags=<tag> for daily spend, tokens, request count, and model/provider breakdowns for one or more job tags.
  • Use /global/spend/tags?tags=<tag> for a top-level spend total by tag over a date range.
  • If the user asks "which jobs cost the most?", call /global/spend/tags without a tags filter, sort by spend descending, and present the top tags that look like job labels.

Endpoints

Overall spend (across all users)

curl -s "$BASE/user/daily/activity?start_date=YYYY-MM-DD&end_date=YYYY-MM-DD&page_size=30" \
  -H "Authorization: Bearer $KEY"

Overall request and token volume

curl -s "$BASE/global/activity?start_date=YYYY-MM-DD&end_date=YYYY-MM-DD" \
  -H "Authorization: Bearer $KEY"

By team

curl -s "$BASE/team/daily/activity?team_ids=<team_id>&start_date=YYYY-MM-DD&end_date=YYYY-MM-DD" \
  -H "Authorization: Bearer $KEY"

By org

curl -s "$BASE/organization/daily/activity?organization_ids=<org_id>&start_date=YYYY-MM-DD&end_date=YYYY-MM-DD" \
  -H "Authorization: Bearer $KEY"

By user

curl -s "$BASE/user/daily/activity?user_id=<user_id>&start_date=YYYY-MM-DD&end_date=YYYY-MM-DD" \
  -H "Authorization: Bearer $KEY"

Read the full file on GitHub · 176 lines

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. 1mo ago First seen · 176 lines · 61 tokens per session scan A 9919a8ebaa47

Subscribe to this mod's changes

view-usage is a skill published in the GitHub repository BerriAI/litellm-skills (100 stars, last pushed 5mo ago), licensed MIT. It adds 61 tokens to every session and 1,540 once invoked, about $0.0002 per session on Opus 5.5. A static security scan graded it A with 1 finding (makes network calls). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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