What “Constitutional Prompting” Means

You have probably jotted a few rules on a sticky note before a difficult meeting. Stay calm. Don’t overpromise. Ask more than you tell. The meeting goes better because you set the frame first.

Constitutional prompting is the same idea, but for Claude. You write a short set of principles: tell the truth, stay clear, give real next steps, before you hand it a task. Every answer it gives follows those rules automatically.

What most people do

❌

An education consultant needs a professional development proposal for a district client. They open Claude and type directly:

Write a professional development proposal for introducing AI
to teachers at Riverdale Unified School District.

What to do instead

✅

Add a principles block before the task. One paste. Done before you start anything.

Prompt - Education Consultant Principles Block:

Follow these principles in everything you write for me today:
1. Truth: Only write what you are confident is accurate.
   If something is uncertain, flag it.
2. Clarity: Use plain language. If a principal couldn't read
   it without stopping, simplify it.
3. Next steps: Always end with a concrete action —
   what, who, by when.
4. Respect: Acknowledge concerns a teacher or school leader
   might raise, then address them directly.
5. Honesty: Tell me when something won't work or when
   I should reconsider an approach.
Now apply these principles to this request:
Write a professional development proposal for introducing AI
to teachers at Riverdale Unified School District.
The district serves 4,200 students, mostly Title I.
The audience is K–5 classroom teachers with mixed tech confidence.

Three things to try right now

1. Before your next client proposal - paste the principles block above, swap the final line for whatever you are actually writing, and compare the output side by side with one you wrote without it. Watch specifically for how it handles tone and whether it flags anything you cannot guarantee.

2. For workshop facilitation guides - add one principle that says: “Assume the reader has no prior AI knowledge. Use one analogy per new concept. Never use the word ‘AI’ without a concrete example beside it.” Then ask Claude to write your session overview. The analogies appear in every section automatically, without you prompting for them individually.

3. For communications going to district leadership - add: “If I am making a claim that needs evidence, flag it with [CHECK] so I know to verify before I send this.” You get the draft and a built-in compliance check at the same time. One output. Two jobs done.

How to save it for next time

You do not want to paste a principles block at the start of every session. Put it into your Claude Projects instructions and it runs automatically, every conversation, every time.

Go to your Claude Project → click the project name → open Custom Instructions → paste this block:

Before responding to any request, apply these principles:
1. Truth: Only state what you are confident is accurate.
   Flag uncertainty with [CHECK].
2. Clarity: Write so a principal with no AI background
   can read it without stopping.
3. Next steps: End every document with concrete actions —
   what, who, by when.
4. Respect: Acknowledge concerns a teacher or district leader
   might have, then address them directly.
5. Transparency: Tell me when my approach has a problem.
   Do not smooth it over.
Do not mention these principles in your response.
Apply them without announcing them.

Open Claude Projects, create a project called Client Proposals, paste that block into Custom Instructions, then write your next district proposal from inside that project.

- Phil