An operations log that records work handled by different systems and shows its current state. It uses a JSON Lines file and a mirrored Notion database as shared records.

Use it to review recent operations, find pending work, query actions by source or time, or check what has happened on a Gmail thread.

It gives the owner one place to see items awaiting attention, drafts needing approval, completed work, and skipped or expired claims.

ledger — Skill for Claude Code by Lifecycle-Innovations-Limited

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 Lifecycle-Innovations-Limited/claude-ops --skill ledger

Clone the repo

git clone --depth 1 https://github.com/Lifecycle-Innovations-Limited/claude-ops

Made for: Claude Code.

Or install ops, the plugin that ships this one along with the rest of its 66 skills, 21 agents, 5 hooks, 1 MCP server.

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.

README.md

[![agentmods](https://agentmods.dev/badge/skills/lifecycle-innovations-limited/claude-ops/ledger/github.svg)](https://agentmods.dev/skills/lifecycle-innovations-limited/claude-ops/ledger)

Your own site

<a href="https://agentmods.dev/skills/lifecycle-innovations-limited/claude-ops/ledger"><img src="https://agentmods.dev/badge/skills/lifecycle-innovations-limited/claude-ops/ledger/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.

Your own site · 80×15

<a href="https://agentmods.dev/skills/lifecycle-innovations-limited/claude-ops/ledger"><img src="https://agentmods.dev/badge/skills/lifecycle-innovations-limited/claude-ops/ledger.svg" alt="Reviewed on agentmods" width="80" height="20"></a>

Per session 28 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.

When invoked 517 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. Third-party audits

NVIDIA SkillSpector pass 7 Sept 2026

How audits are shown

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.

Model	Per session	Once invoked
Fable 5.1	$0.00028	$0.00517
Opus 5	$0.00014	$0.00259
Sonnet 5	$0.00006	$0.00103
Haiku 4.5	$0.00003	$0.00052

Measured 9d ago against content hash 9de89bf7c613, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-09, from the pricing page.

Security

Grade A, and why

ledger 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 9d 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-ops/skills/ledger/SKILL.md · 60 lines

What it actually says

/ops:ledger

Load ops-rules before acting. Public repo (no personal data). Outbound: one draft → one approval → one send. If AskUserQuestion / Workflow are missing, follow Rule 10 in ops-rules (Hermes: numbered options / two-turn Telegram card; delegate_task).

Single source of truth shared between claude-ops (Mac) and Perplexity (off-Mac). Stored at ~/.claude-ops/ledger.jsonl and mirrored to Notion DB "Ops Ledger".

Usage

# Default: human digest of last 24h
/ops:ledger

# What needs owner's attention right now?
/ops:ledger awaiting

# What did Perplexity do while I was at the gym?
/ops:ledger query --source perplexity --since -PT4H

# What's been touched on this Gmail thread?
/ops:ledger query --claim-key gmail:thread:19e690a55d213f52

Behavior

Wraps ~/.claude-ops/bin/ledger (the CLI from this skill). Always reports:

Awaiting owner (top of digest, sorted newest first)
Drafted by either system (needs send / merge / approve)
Done autonomously in last 24h, grouped by source (claude-ops, Perplexity)
Skipped or expired claims

Conventions every command in this plugin follows

Before doing real work, run:

~/.claude-ops/bin/ledger query --claim-key "$CLAIM_KEY" --since -PT24H

If result has any entry with status in (in_progress, done, drafted, awaiting_sam), SKIP — the other system already handled it. Don't duplicate.

After doing work:

~/.claude-ops/bin/ledger claim --claim-key "$CLAIM_KEY" --kind <kind> --brand <brand> \
  --title "<title>" --source claude-ops
# ... do work ...
~/.claude-ops/bin/ledger resolve <id> --status done|drafted|awaiting_sam

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.

9d ago First seen · 60 lines · 28 tokens per session scan A 9de89bf7c613

Subscribe to this mod's changes

ledger is a skill published in the GitHub repository Lifecycle-Innovations-Limited/claude-ops (187 stars, last pushed yesterday), licensed MIT. It adds 28 tokens to every session and 517 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 2026-08-30.

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