What do I need to use Demand Letter?

Type; Parties; The facts; The basis; The demand; Consequence.

Is Demand Letter free to use?

Yes — run it free in the browser playground (no API key needed for the sponsored trial, or bring any provider key), or install it into Claude Code, Cursor, ChatGPT and more via npx pm-claude-skills. MIT-licensed and open source.

Demand Letter

Q: How do I know the Demand Letter output is good?

The skill verifies itself against its own quality checks: Facts are neutral, chronological, and verifiable — no insults or characterisation; The basis (clause/invoice/obligation) is stated; The demand is specific and has a clear deadline; Consequences are factual, not exaggerated or unlawful threats.

🔵 Stable🕐 updated 2026-06-21 🔷 SkillSpec L3 pm-legal

Draft a firm, professional demand letter that states the facts, the legal/contractual basis, the specific demand, and a deadline. Use when asked to write a demand letter, send a formal demand for payment, draft a cease-and-desist, or formally request resolution before legal action. Produces a structured, factual letter with a clear ask and consequences — assertive but not threatening or defamatory. Not legal advice; have counsel review before sending.

▶ Run it free — no key needed 📝 Grade your existing draft View SKILL.md ↗

What to give it

▸Type — payment demand, breach of contract, cease-and-desist, refund, return of property

▸Parties — sender and recipient) and the relationship (contract, invoice, etc.

▸The facts — what happened, with dates and amounts

▸The basis — the contract clause, invoice, or obligation relied on

▸The demand — exactly what's wanted, and the deadline

▸Consequence — if unmet (further action / referral to counsel) — kept factual

✅ The bar it holds itself to

Every skill in this library self-verifies — these are this skill's own quality checks, straight from its definition.

✓Facts are neutral, chronological, and verifiable — no insults or characterisation

✓The basis (clause/invoice/obligation) is stated

✓The demand is specific and has a clear deadline

✓Consequences are factual, not exaggerated or unlawful threats

✓Retains the "not legal advice — counsel should review" note

⚠️ What it refuses to do

Angry, insulting, or defamatory language that undermines the sender

Vague demands ("pay what you owe") with no figure or deadline

Threats of consequences the sender can't or wouldn't lawfully pursue

Burying the actual demand in a wall of grievance

Install

npx pm-claude-skills add --agent claude   # or codex · cursor · gemini · hermes
# or one-line MCP (every skill, any client):
claude mcp add pm-skills -- npx -y pm-claude-skills-mcp

Start with

Related skills

🔌 Embed this skill

Drop this on your blog, docs, or site — it renders a "Run this skill" card:

<div data-pm-skill="demand-letter"></div>
<script src="https://mohitagw15856.github.io/pm-claude-skills/embed.js" async></script>

💬 Discussion

Demand Letter is one of 599 open-source professional AI agent skills — all SkillSpec L3. Try them all in the browser · ⭐ Star on GitHub · Browse the full catalog