witness-prep
Guides attorneys through deposition witness preparation using a two-session model with document review, practice examination, and day-of logistics. Covers party witnesses, fact witnesses, 30(b)(6) corporate representatives, and experts. Produces preparation memos, document review lists, topic summaries, and day-of checklists. Enforces ABA Opinion 508 ethical boundaries. Use when preparing any witness for deposition, scheduling prep sessions, or building witness preparation materials.
Best use case
witness-prep is best used when you need a repeatable AI agent workflow instead of a one-off prompt.
Guides attorneys through deposition witness preparation using a two-session model with document review, practice examination, and day-of logistics. Covers party witnesses, fact witnesses, 30(b)(6) corporate representatives, and experts. Produces preparation memos, document review lists, topic summaries, and day-of checklists. Enforces ABA Opinion 508 ethical boundaries. Use when preparing any witness for deposition, scheduling prep sessions, or building witness preparation materials.
Teams using witness-prep should expect a more consistent output, faster repeated execution, less prompt rewriting.
When to use this skill
- You want a reusable workflow that can be run more than once with consistent structure.
When not to use this skill
- You only need a quick one-off answer and do not need a reusable workflow.
- You cannot install or maintain the underlying files, dependencies, or repository context.
Installation
Claude Code / Cursor / Codex
Manual Installation
- Download SKILL.md from GitHub
- Place it in
.claude/skills/witness-prep/SKILL.mdinside your project - Restart your AI agent — it will auto-discover the skill
How witness-prep Compares
| Feature / Agent | witness-prep | Standard Approach |
|---|---|---|
| Platform Support | Not specified | Limited / Varies |
| Context Awareness | High | Baseline |
| Installation Complexity | Unknown | N/A |
Frequently Asked Questions
What does this skill do?
Guides attorneys through deposition witness preparation using a two-session model with document review, practice examination, and day-of logistics. Covers party witnesses, fact witnesses, 30(b)(6) corporate representatives, and experts. Produces preparation memos, document review lists, topic summaries, and day-of checklists. Enforces ABA Opinion 508 ethical boundaries. Use when preparing any witness for deposition, scheduling prep sessions, or building witness preparation materials.
Where can I find the source code?
You can find the source code on GitHub using the link provided at the top of the page.
SKILL.md Source
# Deposition Witness Preparation
Structured framework for ethical, effective witness prep before depositions. Adapts to party witnesses, fact witnesses, 30(b)(6) corporate reps, and experts.
## Prerequisites
1. **Witness identity and type** — party, fact, 30(b)(6), or expert
2. **Deposition notice** — date, time, location, noticed topics
3. **Key documents** — authored by, received by, or mentioning witness; likely exhibits
4. **Prior statements** — interrogatory answers, declarations, prior testimony
5. **Case context** — claims, defenses, anticipated difficult areas
## Quick Start
1. Gather prerequisites above
2. Choose session model (two-session recommended for most depositions)
3. Run Session 1: orientation + document review
4. Run Session 2: practice examination + logistics
5. Generate outputs: prep memo, document list, topic summary, day-of checklist
## Session Models
| Model | Use When | Sessions | Hours |
|-------|----------|----------|-------|
| **Two-Session** (default) | Most depositions | 2, with 1-7 day gap | 4-7 |
| **Single Extended** | Simple matters or scheduling constraints | 1 | 4-6 |
| **Multi-Session** | Complex cases or anxious witnesses | 3 | 6-8 |
For **30(b)(6)**: add topic-by-topic prep time; may require additional sessions.
## Session 1: Orientation & Document Review (2-4 hrs)
### Opening (15-20 min)
Set expectations: purpose is truthful, clear testimony — not scripted answers. Explain deposition mechanics (oath, attendees, court reporter, transcript use).
Address common concerns:
- "What if I don't know?" → Say "I don't know"
- "What if I don't remember?" → Say "I don't recall"
- "What if I make a mistake?" → Correct via errata
- "Will you help me?" → Attorney can object, but witness must answer
### Ground Rules (20-30 min)
- **Listen fully** — wait for complete question before answering
- **Clarify** — "I don't understand" is always acceptable
- **Answer only what's asked** — don't volunteer, explain, or justify
- **Tell the truth** — evasion always makes it worse
- **"I don't know" vs. "I don't recall"** — never-knew vs. can't-remember-now
- **Pause before answering** — take your time
- **Flag problem questions** — compound, false premise, characterization, absolutes
### Document Review (60-90 min)
Review order:
1. Documents witness authored
2. Documents witness received
3. Documents mentioning witness
4. Key exhibits likely to be used
5. Witness's prior statements
For each document, capture:
| Document | Witness Role | Key Points | Potential Issues |
|----------|-------------|------------|------------------|
| | Author / Recipient / Mentioned | | |
**Red-flag documents** (contradictions, bad phrasing, memory gaps): ask what witness recalls — do NOT suggest answers. Let witness formulate their own honest explanation.
### Substantive Topic Review (60-90 min)
Per anticipated topic:
1. Explain why it matters to the case
2. Ask what witness knows (capture genuine recollection)
3. Review relevant documents
4. Identify uncertainty or difficulty areas
Focus vulnerable areas on: distinguishing knowledge vs. assumption, preparing for probing, ensuring document comprehension.
### Close Session 1
- **Homework**: documents to re-review, topics to reflect on
- **Confirm**: Session 2 date/time, deposition date/time/location
## Session 2: Practice & Refinement (2-3 hrs)
### Check-In (10-15 min)
Address new concerns or memories. Confirm homework completed.
### Practice Examination (60-90 min)
Play opposing counsel. Cover these question types:
1. Background (warm-up)
2. Open-ended ("Tell me about...")
3. Document-based ("Showing you Exhibit X...")
4. Detail (dates, times, people)
5. Commitment ("Is that everything?")
6. Challenging (confrontational, compound, false premise)
7. Impeachment setup (locking in testimony)
Coaching corrections:
| Behavior | Correction |
|----------|-----------|
| Answers before question finishes | "Wait for the full question" |
| Volunteers extra info | "Answer what's asked, then stop" |
| Guesses or speculates | "Say you don't know" |
| Gets defensive | "Stay calm, just answer" |
| Looks to attorney for help | "You need to answer — I can't help on substance" |
| Rambling answers | "Shorter. Answer, then stop." |
| Uses absolutes | "Are you sure 'never'?" |
Spend extra time on vulnerable topics with multiple phrasings.
### Objection Guidance (15-20 min)
Instruct witness: keep listening through objections, wait for objection to finish, then answer unless specifically told not to.
Instruction not to answer is rare — limited to: attorney-client privilege, work product (jurisdiction-dependent), court order violation, genuine harassment.
### Day-Of Logistics (15-20 min)
**Before**: sleep, breakfast, professional dress. Arrive 15-30 min early. Bring government ID only — NO documents, notes, or files (discoverable).
**During**: no chatting with opposing counsel, no jokes on the record, phone out of room, don't discuss case in hallways or restrooms.
## Day-Of Protocol
**Pre-deposition (30 min before)**: final check-in, rule reminder, confirm break signals.
**During**: object briefly to preserve record ("Objection, form"). No speaking objections that coach witness. Request breaks for fatigue only — not to interrupt pending questions. Track admissions and problem areas.
**Post-deposition debrief**: brief emotional support, no detailed discussion until transcript review, explain errata process, remind witness not to discuss testimony with others.
## Output Templates
### Witness Preparation Memo
- Session dates, durations, topics covered
- Documents reviewed
- Witness readiness assessment
- Areas of concern
- Ethical compliance confirmation
### Document Review List
| Document | Bates/Exhibit | Witness Reviewed | Notes |
|----------|--------------|------------------|-------|
| | | Yes/No | |
### Topic Preparation Summary
| Topic | Knowledge Level | Key Documents | Potential Issues |
|-------|----------------|---------------|------------------|
| | Strong/Moderate/Limited | | |
### Day-Of Checklist
- [ ] Pre-deposition meeting scheduled
- [ ] Witness has directions and arrival time
- [ ] Dress code communicated
- [ ] Exhibits organized
- [ ] Court reporter confirmed
- [ ] Videographer confirmed (if applicable)
- [ ] Break/lunch logistics arranged
### Anticipated Problem Areas
Per area: why it's a problem, witness's actual position, rehabilitation potential.
## Ethical Guardrails
- **ABA Opinion 508** — may explain law, review documents, practice questions, suggest clearer phrasing. May NOT suggest facts, tell witness what to say, conform testimony to other evidence, or discourage truthful testimony
- **ABA Model Rule 3.4** — fairness to opposing party and counsel
- **FRCP 30(c)-(d)** — examination conduct and duration limits
- All coaching refines *expression* of genuine recollection, never *substance*
- For 30(b)(6) witnesses, align topic prep to deposition notice topicsRelated Skills
preparing-transfer-summaries
Creates comprehensive transfer documentation for ICU-to-floor or facility-to-facility transitions. Use when transferring patients between units, preparing transfer notes, or coordinating level-of-care changes.
managing-emergency-preparedness
Structures public health emergency preparedness with hazard vulnerability and response planning. Use when planning emergency preparedness, conducting vulnerability assessments, or developing response plans.
witness-summary
Generates structured summaries of witness statements for litigation, extracting chronological narratives, key facts, credibility indicators, and evidentiary value. Use when summarizing depositions, declarations, affidavits, or witness testimony during discovery, pre-trial, or trial preparation.
witness-prep-session
Runs ethics-compliant deposition witness-prep workflows for US civil litigation. Use when preparing party, fact, expert, or 30(b)(6) witnesses for deposition, including mock cross-examination, exhibit review, vulnerability mapping, day-of logistics, and post-deposition debrief. Covers intake through deposition day under FRCP 30.
witness-prep-ethics
Evaluates witness preparation activities for ethical compliance under ABA Formal Opinion 508 and Model Rules 3.3, 3.4, 8.4. Distinguishes permissible preparation from prohibited coaching. Use when planning deposition or trial prep, reviewing proposed prep activities, or checking witness coaching ethics. Triggers: witness prep, deposition prep, coaching ethics, ABA 508, testimony preparation.
trial-prep-summary
Generates a structured courtroom-ready trial preparation summary synthesizing procedural history, facts, legal issues, evidence, witnesses, and strategy into a quick-reference document. Trigger when preparing trial binders, pre-trial review documents, courtroom reference materials, or trial strategy memos in commercial litigation.
hearing-prep
Generates structured hearing preparation briefings from case documents, evidence, authorities, and procedural details. Use when preparing for court hearings, administrative hearings, arbitrations, trials, motion hearings, evidentiary hearings, or status conferences.
hearing-prep-summary
Produces a quick-reference hearing preparation summary synthesizing pleadings, evidence, witnesses, and governing law into issue matrices, exhibit cross-references, and procedural checklists. Use when preparing for motion hearings, evidentiary hearings, trials, administrative or arbitration hearings, or when asked for "hearing prep," "trial prep summary," "hearing brief," or "prep memo."
expert-witness-summary
Generates structured, citation-anchored summaries of expert witness reports for depositions, hearings, and trial preparation. Distills qualifications, methodology, opinions, assumptions, and quantitative findings into a navigable reference. Use when summarizing expert witness reports, retained expert disclosures, or rebuttal expert reports in US litigation.
expert-witness-report-analysis
Critiques opposing expert witness reports for admissibility challenges, disclosure deficiencies, and cross-examination vulnerabilities. Triggers when the user provides an expert report for analysis, needs Daubert/Frye assessment, requests a motion to exclude or limit expert testimony, or prepares deposition or trial cross-examination of an opposing expert.
expert-witness-omissions
Identifies medical records an expert witness failed to review, cite, or address by cross-referencing the expert's materials-reviewed list against the full case record set. Produces a tiered omissions register, methodology critique, bias analysis, and strategic recommendations for cross-examination and exclusion motions. Use in personal injury or medical malpractice litigation when challenging or defending expert credibility during discovery, pre-trial, or trial preparation.
expert-witness-impeachment
Analyzes expert witness materials (reports, depositions, CVs, publications) to identify inconsistencies, opinion drift, and methodological failures for impeachment. Produces a prioritized inconsistency register, cross-examination questions, and Daubert/Frye challenge assessment. Use when challenging expert reliability or credibility during discovery, pre-trial, or trial in commercial litigation.