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Research & ICP Open source · MIT v1.0.0

Buyer persona builder Claude skill

Use this before writing to a role you have not sold to before, or when outreach reads like it was written for nobody in particular. It produces one persona card per role that changes what a rep writes.

  • 5-step play
  • 4 guardrails
  • 2 files
  • Human approval built in

Use it when you need B2B buyer personas that sales and marketing will actually use: before writing outreach to a new title, when messaging feels generic, or when a deal stalls because the wrong person is engaged.

Then just ask your agent

“Build personas for selling our SOC 2 automation tool: CTO, Head of Security, and the finance approver.”

Watch it work

One request in, expert work out

What happens when you ask your agent with this skill installed. Every step below comes straight from the skill.

Your agentApproval on
You

Build personas for selling our SOC 2 automation tool: CTO, Head of Security, and the finance approver.

Loaded skill buyer-persona-builder
  1. Separate the roles
  2. Start from what they are measured on
  3. Use their words
  4. Map objections and proof
  5. Find the angle
One persona card per role · Message angles · Do-not-say list

Ready for your review. Nothing is sent or changed until you approve.

  • 5Steps in the play
  • 4Guardrails
  • 2Files in the skill
  • 3 minTo read it all

What good looks like

  • A rep reading the card can write a different first line for a VP Sales and a RevOps manager at the same company.
  • Pains are quoted or traceable, not imagined. "Struggles with efficiency" is a sign the evidence step was skipped.
  • The blocker has a card. Deals die in security review far more often than in the first call.

What you bring

  • Target job titles
  • Call notes or interviews
  • Your product and ICP

What you get

  • One persona card per role
  • Message angles
  • Do-not-say list
Raw
name:buyer-persona-builder description:Use this skill when you need B2B buyer personas that sales and marketing will actually use: before writing outreach to a new title, when messaging feels generic, or when a deal stalls because the…

Use this before writing to a role you have not sold to before, or when outreach reads like it was written for nobody in particular. It produces one persona card per role that changes what a rep writes.

Inputs

  • The job titles in the buying committee, or the deal type so you can propose them.
  • Raw evidence: call recordings or notes, won-deal emails, support tickets, reviews, job listings for the role.
  • The ICP and the product’s core job.

The play

1. Separate the roles

A deal usually has four: the economic buyer who signs, the champion who feels the pain and pushes, users who live in the tool, and the blocker (security, finance, IT, legal) who can stop it. Build a card per role. One blended persona produces messages that fit no one.

2. Start from what they are measured on

The fastest route to relevance is the number on their scorecard. A VP Sales is measured on bookings and forecast accuracy; a RevOps lead on data quality and tool cost; a founder on runway and growth rate. Pains connect to these numbers or they do not matter.

3. Use their words

Mine the evidence for exact phrases. Job listings are the most underrated source: they spell out the problems the company is paying to fix and the tools in use.

4. Map objections and proof

For each role, list the top three objections and the proof that answers each one: a customer story, a number, a demo moment, a security document.

5. Find the angle

One sentence per role: the reason this person would take a meeting this quarter.

Persona card format

Role: <title variants>            Type: economic buyer | champion | user | blocker
Measured on: <2-3 metrics>
Goals this year: <2-3>
Pains (their words): <3 quotes or close paraphrases, with source>
Triggers: <events that make the pain urgent>
Objections → proof: <3 pairs>
Trusted sources: <communities, newsletters, peers, analysts>
Angle: <one sentence>
Do not say: <phrases that make them tune out>

Read references/persona-examples.md for two complete cards and the most common do-not-say phrases by role.

What good looks like

  • A rep reading the card can write a different first line for a VP Sales and a RevOps manager at the same company.
  • Pains are quoted or traceable, not imagined. "Struggles with efficiency" is a sign the evidence step was skipped.
  • The blocker has a card. Deals die in security review far more often than in the first call.
  • The do-not-say list is specific: "revolutionary", "synergy" and "quick question" are on most lists for a reason.

Rules

  • MUST build separate cards for the economic buyer and the champion.
  • MUST tie each pain to a metric the role is measured on.
  • NEVER invent quotes; label paraphrases and inferred pains as such.
  • NEVER use demographic stereotypes (age, gender, personal life) in a B2B persona.

Example prompts

  • "Build personas for selling our SOC 2 automation tool: CTO, Head of Security, and the finance approver."
  • "Here are 12 call transcripts with heads of RevOps. Turn them into a persona card."
  • "Our champion persona feels generic. Rewrite it using these job listings."
Try it

Ask your agent like this

Once the skill is installed, plain requests like these load it automatically. Swap in your own company, buyer and numbers.

  • “Build personas for selling our SOC 2 automation tool: CTO, Head of Security, and the finance approver.”

  • “Here are 12 call transcripts with heads of RevOps. Turn them into a persona card.”

  • “Our champion persona feels generic. Rewrite it using these job listings.”

FAQ

Buyer persona builder skill: your questions

What it does, how to install it and how it keeps you in control.

Rather have it done for you? Book a short demo and see Penny run this play on your own market.
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What does the Buyer persona builder skill do?

Use this before writing to a role you have not sold to before, or when outreach reads like it was written for nobody in particular. It produces one persona card per role that changes what a rep writes. You get: one persona card per role, message angles, do-not-say list.

When should I use the buyer persona builder skill?

Use it when you need B2B buyer personas that sales and marketing will actually use: before writing outreach to a new title, when messaging feels generic, or when a deal stalls because the wrong person is engaged.

How do I install Buyer persona builder in Claude Code?

Run /plugin marketplace add prosyo-ai/gtm-skill and then /plugin install gtm-skills@prosyo to add the whole library, or run npx skills add prosyo-ai/gtm-skill –skill buyer-persona-builder for this skill alone. In Claude.ai, download the .zip from this page and upload it under Settings, Capabilities, Skills.

What do I need to give the agent?

Have these ready: target job titles, call notes or interviews, your product and icp. If something is missing, the skill tells the agent to ask for it rather than guess.

Does it work with ChatGPT, Codex, Cursor or Gemini?

Yes. The skill is a plain SKILL.md file with no vendor lock-in. Agents that load skills natively (Claude Code, Claude.ai, Codex, Cursor, Gemini CLI and others) pick it up automatically; anywhere else, paste the file into the conversation as instructions.

Will it send emails or messages on its own?

No. Every skill in the library drafts, researches and analyses, and waits for a person to approve anything that sends, schedules or changes records in bulk. Your inbox, CRM and accounts stay under your control.

Is it free, and can I change it?

Yes. It is free and MIT-licensed. Copy it, adapt it to your market and voice, and if you improve it, open a pull request so everyone gets the better version.

Open source

Have a play that works? Share it as a skill.

Paste this into Claude, Codex or any agent. It interviews you about your play, writes the skill in the house format, checks it and opens the pull request. Once it is merged, it shows up here with your name on it.

Prompt for your agent

Fetch https://raw.githubusercontent.com/prosyo-ai/gtm-skill/main/AGENTS.md and follow its submission flow. Interview me about my GTM play (the real numbers, rubrics and examples), draft it in their format with reference pages, validate it and open the pull request.

Two ways to run it

Run it yourself, or put it on autopilot

The skill gives your agent the playbook. Penny, the Prosyo AI SDR, runs plays like this for you every day across LinkedIn and email.

Free · this skill
You and your agentBest for trying the play and one-off work
  • Your agent follows the buyer persona builder playbook step by step
  • You bring the inputs and run it when you need it
  • Works in Claude, Codex, Cursor and 40+ agents
  • You review every draft before it goes anywhere
Prosyo AI SDR
Penny runs it for youBest for a pipeline that grows every day
  • Finds the right buyers for your ICP every day
  • Writes from what each prospect actually posted
  • Follows up on LinkedIn and email at a safe, human pace
  • Every reply lands in one inbox with an answer drafted
  • You approve what goes out
Meet Penny
Meet Penny
7 days free · no card

Skills draft the play. Penny runs it.

Penny, the Prosyo AI SDR, finds your buyers, writes from what they actually posted, follows up on LinkedIn and email and lands every reply in one inbox with an answer ready. 7 days free, no card.

  • 7 days free
  • No card required
  • Cancel in two clicks