Counsel.Directory

Legal AI Done Right

Prompts, guides and safe-setup advice on AI for solicitors in England and Wales, with a method for testing legal AI prompts that is borrowed from software testing.

Read the Methodology Prompt Testing for Firms

Methodology

How to test a legal AI prompt and check what it produces

Legal AI Testing Checklist

A comprehensive pre-deployment checklist for validating AI outputs before they reach clients. Covers accuracy, hallucinations, edge cases, and professional standards.

Tracer Bullets: Test Simple Before Complex

Start with the simplest possible version of your legal task, validate it works, then progressively add complexity. Adapted from software engineering test-driven development.

Context Architecture: The 60% Rule

How to structure prompts and documents to stay within AI context window limits while maintaining quality. Includes progressive disclosure patterns for large contract analysis.

Quick-Start Guides

Short, practical techniques for working with AI

workflowbeginner

ChatGPT Custom Instructions Template

Set up ChatGPT once to always respond as a legal assistant

workflowbeginner

Claude Projects for Client Matters

Organise AI work by matter reference, and check the plan and settings before any client document is uploaded

tool specificintermediate

Multi-Model Approach: Test Which Tool Suits Which Task

Compare the AI tools your firm has approved on your own work before you decide which to use for a task

Ready-to-Use Prompts

Prompts for common corporate and M&A tasks

View all 23 prompts

Shareholders' Agreement vs Term Sheet Review

Compare a shareholders' agreement against the agreed term sheet to identify any deviations, inconsistencies, or provisions that don't align with the commercial deal.

Corporate & M&APrivate Practice⚠ Sensitive

ChatGPT, Claude, Harvey

W&I Policy vs SPA Warranty Coverage Check

Cross-check warranty and indemnity insurance policy coverage against SPA warranty limitations to identify gaps and ensure alignment.

Corporate & M&APrivate Practice⚠ Sensitive

AI Tools Directory

AI tools for legal work, with features and security notes

OpenAI's general-purpose assistant. Personal plans may train on your chats unless you opt out; Business and Enterprise do not by default.

Private PracticeIn-House

Anthropic's general-purpose assistant for drafting and reading long documents. Consumer plans may train on your chats unless you opt out; Team and Enterprise do not by default.

Private PracticeIn-House

Thomson Reuters' AI assistant, drawing on Practical Law and Westlaw. Sold in the UK as CoCounsel Legal UK.

Private PracticeIn-House

Legal AI Platform

Legal AI platform sold to law firms and in-house teams, used by several UK firms.

Private PracticeIn-House

Safe Setup Guides

Privacy settings to change before using an AI tool for legal work

How to configure ChatGPT before using it for legal work in England and Wales: training and memory settings, what not to paste, and how to check output

Trains on data:No (if configured)

Data residency:UK storage on Enterprise only; not stated for other plans

Enterprise option available

How to configure Claude before using it for legal work in England and Wales: the model training setting, memory, projects, what not to paste, and how to check output

Trains on data:No (if configured)

Data residency:US storage; processing may be routed through other regions

Enterprise option available

How to use Google Gemini for legal work in England and Wales: why a Google Workspace account matters, the admin settings to confirm, what not to paste, and how to check output

Trains on data:No (if configured)

Data residency:US or EU on supported Workspace editions; no UK option

Enterprise option available

Written for solicitors in England and Wales. No prompt in this library has published test results yet. When one has, its page will show them.