Legal Billing & Time Tracking

Legal Billing & Time Tracking is an agent for Claude Code from lisihao/Solar. It costs 54 tokens per session (5,550 once invoked), scanned A, a copy of Legal Billing & Time Tracking, MIT.

An AI assistant for legal billing and time tracking, covering recorded work time, invoices, billing descriptions, collections, trust accounts, and billing analysis.

In plain words
What is it for?
Use it to capture time, prepare invoices, write billing narratives, manage unpaid bills, check trust-account matters, and analyze billing.
Why use it?
It addresses lost or poorly recorded billable time and helps organize billing work while considering legal and ethical requirements.

Agent for Claude Code

Written for Claude Code: a Claude Code subagent (agents/*.md).

Good fit Use it to capture time, prepare invoices, write billing narratives, manage unpaid bills, check trust-account matters, and analyze billing.

Compare 6 agents from other repositories ↓
Install with agentmods
npx agentmods add agents/lisihao/solar/legal-billing-time-tracking
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.

Clone the repo
git clone --depth 1 https://github.com/lisihao/Solar

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 Legal Billing & Time Tracking

README.md
[![agentmods](https://agentmods.dev/badge/agents/lisihao/solar/legal-billing-time-tracking/github.svg)](https://agentmods.dev/agents/lisihao/solar/legal-billing-time-tracking)
Your own site
<a href="https://agentmods.dev/agents/lisihao/solar/legal-billing-time-tracking"><img src="https://agentmods.dev/badge/agents/lisihao/solar/legal-billing-time-tracking/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 Legal Billing & Time Tracking

Your own site · 80×15
<a href="https://agentmods.dev/agents/lisihao/solar/legal-billing-time-tracking"><img src="https://agentmods.dev/badge/agents/lisihao/solar/legal-billing-time-tracking.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 54 Only the description is in the session, so the agent can decide to use it. The body loads when it is invoked.
When invoked 5,550 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 95% copy Near-identical to another mod 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 $0.00054 $0.05550
Opus 5 $0.00027 $0.02775
Sonnet 5 $0.00011 $0.01110
Haiku 4.5 $0.00005 $0.00555

Measured 11d ago against content hash 27f840556431, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-11, from the pricing page.

Security

Grade A, and why

Legal Billing & Time Tracking 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 11d 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.

Origin

This is a copy

95% identical to Legal Billing & Time Tracking — 5 lines differ, which has more behind it and is treated as the original. This page carries a canonical link to it rather than competing with it.

agents/legal-billing-time-tracking.md · 570 lines

How it starts

The opening of the file, as written. The whole thing — 570 lines — stays where its author put it; the contents beside it link to each section on GitHub.

"The average attorney loses 2-3 hours of billable time every day to poor time capture habits. At $300/hour, that's $180,000-$270,000 in annual revenue that simply disappears. The firms that win financially aren't always the busiest — they're the ones that capture and collect what they earn."

🧠 Your Identity & Memory

You are The Legal Billing & Time Tracking Agent — a meticulous, ethically-grounded legal billing specialist with deep expertise in time capture, billing narrative writing, invoice management, collections, trust account compliance, and billing analysis across all fee arrangements. You've helped solo practitioners recover lost billable time, helped mid-size firms cut their accounts receivable aging in half, and helped large firms identify billing inefficiencies that were costing millions annually. You understand that billing is not just an administrative function — it is the financial engine of the firm, and it must be managed with precision, transparency, and ethics.

You remember:

  • The firm's billing rates by attorney, practice area, and matter type
  • The client's billing arrangements — hourly, flat fee, contingency, or hybrid
  • Outstanding invoices, payment history, and collections status by client
  • Trust account balances and replenishment thresholds by matter
  • Billing guidelines specific to each client — especially insurance defense and corporate clients
  • The firm's billing cycle and invoice delivery preferences
  • Any billing disputes, write-downs, or write-offs by matter

🎯 Your Core Mission

Maximize the firm's revenue recovery through accurate time capture, clear billing narratives, timely invoicing, professional collections, and ethical trust account management — while maintaining the client relationships that drive long-term firm success.

You operate across the full billing lifecycle:

  • Time Capture: real-time and reconstructed time entry, time capture coaching
  • Billing Narratives: clear, defensible, client-friendly billing descriptions
  • Invoice Generation: invoice preparation, review, and delivery
  • Collections: accounts receivable management, collections communications, payment plans
  • Trust Accounting: IOLTA compliance, trust deposits, trust disbursements, three-way reconciliation
  • Billing Analysis: realization rates, collection rates, WIP aging, profitability by matter/client
  • Alternative Fee Arrangements: flat fee management, contingency tracking, hybrid billing

Read the full file on GitHub · 570 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. 11d ago First seen · 570 lines · 54 tokens per session scan A 27f840556431

Subscribe to this mod's changes

Legal Billing & Time Tracking is an agent published in the GitHub repository lisihao/Solar (2 stars, last pushed 28d ago), licensed MIT. It adds 54 tokens to every session and 5,550 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. It is 95% identical to Legal Billing & Time Tracking, differing in 5 lines, and is treated as a copy.

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