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chronology

Extract dated events from litigation documents into a deduped, tagged timeline.

9.1k|1.8k|Updated Apr 21, 2026
Search Tags:#statement of facts#litigation chronology#case timeline#privilege gate#eDiscovery extraction#deduping#fact tagging
One-click install
npx skills add https://github.com/anthropics/claude-for-legal --skill chronology-anthropics
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: chronology
Source: https://github.com/anthropics/claude-for-legal/tree/main/litigation-legal/skills/chronology
Command: npx skills add https://github.com/anthropics/claude-for-legal --skill chronology-anthropics

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill turns litigation and production documents into a structured chronology so attorneys can quickly see what happened when, with events deduped and tagged for advocacy use.

Core Features & Use Cases

  • Timeline extraction & organization: Extracts dated events from declared matter documents, uploaded files, or production/eDiscovery sources and organizes them into a date-based table.
  • Significance tagging by matter theory: Tags events as 🔴 (key), 🟡 (relevant), or ⚪ (background) using the matter’s pivot fact and key facts, with borderline tagging surfaced for SME review.
  • Privilege-aware provenance and output variants: Enforces a privilege gate, flags entries when sources may be privileged, and supports working, statement-of-facts, and witness-specific variants.
  • Deduplication across overlapping sources: Merges the same event found in multiple documents into a single entry with consolidated sources.

Quick Start

Use the chronology skill to build a working timeline by running: chronology [slug] --format=working.

Frequently Asked Questions about chronology

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I build a litigation chronology from eDiscovery productions?▼

A statement of facts timeline is generated by extracting dated events from matter documents and organizing them chronologically with significance tags. The Skill aligns events to the matter's pivot fact to produce a courtroom-ready narrative output.

Can I generate a witness-specific case timeline from production documents?▼

A privilege gate is enforced by flagging timeline entries when their source documents may be privileged. The Skill records provenance per event and surfaces flagged entries for SME review before finalizing the chronology output.

How does fact tagging work when organizing a case timeline?▼

Timeline deduplication merges the same event found across multiple production documents into a single entry with consolidated sources. This prevents redundancy and maintains a clean, courtroom-ready chronology.

What's the best way to extract dated events for a statement of facts?▼

The best way to extract dated events for a statement of facts is declaring document sources or uploads for the Skill to process. It reads matter configuration, applies a privilege gate, and outputs a chronology file with significance tags and identified gaps.

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