sdr-outbound-rules

sdr-outbound-rules is a skill for Claude Code, Codex from swan-gtm/gtm-skills. It costs 51 tokens per session (668 once invoked), scanned A, original, MIT.

A rulebook for training sales development representatives and reviewing cold emails. It defines an SDR as a salesperson who finds and qualifies potential customers, and sets limits for email length, bullets, calls to action, messaging frameworks, and tone.

In plain words
What is it for?
Use it to write, edit, or assess cold emails, choose an approved messaging approach, and set tone guidelines for different offers.
Why use it?
It makes outbound messages more consistent and easier to review. The rules reduce common problems such as long emails, multiple requests, weak calls to action, or unsuitable tone.

Skill for Claude CodeCodex

Written for no agent in particular: nothing here depends on one.

Good fit Use it to write, edit, or assess cold emails, choose an approved messaging approach, and set tone guidelines for different offers.

Compare 6 skills from other repositories ↓
Install with agentmods
npx agentmods add skills/swan-gtm/gtm-skills/sdr-outbound-rules
Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

Any agent
npx skills add swan-gtm/gtm-skills --skill sdr-outbound-rules
Clone the repo
git clone --depth 1 https://github.com/swan-gtm/gtm-skills

Made for: Claude Code, Codex.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for sdr-outbound-rules

README.md
[![agentmods](https://agentmods.dev/badge/skills/swan-gtm/gtm-skills/sdr-outbound-rules/github.svg)](https://agentmods.dev/skills/swan-gtm/gtm-skills/sdr-outbound-rules)
Your own site
<a href="https://agentmods.dev/skills/swan-gtm/gtm-skills/sdr-outbound-rules"><img src="https://agentmods.dev/badge/skills/swan-gtm/gtm-skills/sdr-outbound-rules/github.svg" alt="Measured on agentmods" height="20"></a>

Or the 80×15 button, for a site that already has a row of RSS and ATOM ones. Only the verdict fits; the numbers stay here.

agentmods 80×15 button for sdr-outbound-rules

Your own site · 80×15
<a href="https://agentmods.dev/skills/swan-gtm/gtm-skills/sdr-outbound-rules"><img src="https://agentmods.dev/badge/skills/swan-gtm/gtm-skills/sdr-outbound-rules.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 51 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 668 The whole file, excluding the scripts and references it only reads on demand.
Security scan A 0 findings. A grade says what 26 rules found in the file — not that it is safe. Third-party audits
  • NVIDIA SkillSpector pass 7 Sept 2026
How audits are shown
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5.1 $0.00051 $0.00668
Opus 5 $0.00026 $0.00334
Sonnet 5 $0.00010 $0.00134
Haiku 4.5 $0.00005 $0.00067

Measured 12d ago against content hash f61e9a158afe, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

sdr-outbound-rules scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 12d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Nothing flagged

None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.

skills/alex-vacca/sdr-outbound-rules/SKILL.md · 148 lines

How it starts

The opening of the file, as written. The whole thing — 148 lines — stays where its author put it; the contents beside it link to each section on GitHub.

SDR Outbound Writing Rules

Core Writing Rules

Emails: 60-90 words maximum
No bullets in cold emails
One CTA only

CTA Rules:
- Clear and direct
- Respectful of their time
- Scheduling-oriented when possible

Personalization Inputs to Use

  • Name
  • Company
  • Role
  • Industry
  • Challenge (if known)
  • Goal (if known)
  • Source/trigger
  • Familiarity level

8 Allowed Messaging Frameworks

1. Before/After

Show transformation from current state to desired state.

2. Pattern Interrupt

Break expected email patterns to grab attention.

3. Ask Before Pitch

Lead with question, earn right to pitch.

4. Upfront Value

Provide value before asking for anything.

5. Do the Math

Calculate potential impact with numbers.

6. Challenge of Similar Companies

Reference industry-specific patterns.

7. Neutral Insight

Share third-party resource, build trust.

8. Typical Problems by Role

Address role-specific pain points.


Tone by Offer Type

Agency Services

  • Consultative
  • Strategic
  • Calm
  • Position as trusted advisor

Accelerator

  • Slang professional
  • Friendly
  • Curious
  • Approachable expert

Outbound Cold

  • Pattern interrupt
  • Short
  • Clear
  • Direct but not aggressive

Quality Standards

Good Email

  • 60-90 words
  • One clear CTA
  • Specific social proof
  • Relevant trigger
  • Human tone

Bad Email

  • 150+ words
  • Multiple CTAs
  • Vague claims
  • No personalization
  • Corporate tone

Review Checklist

Before sending any outreach:

  • Under 90 words?
  • Single CTA?
  • Trigger or personalization included?
  • Social proof specific (numbers)?
  • Tone matches offer type?
  • No buzzwords?
  • No fake enthusiasm?
  • Would you respond to this?

Combines with

Skill Why
sdr-master-prompts AI prompts following these rules
email-writing-frameworks Approved framework structures
josh-braun-copywriting Quality writing principles
email-metrics-benchmarks Track rule impact on metrics

Read the full file on GitHub · 148 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 12d ago First seen · 148 lines · 51 tokens per session scan A f61e9a158afe

Subscribe to this mod's changes

sdr-outbound-rules is a skill published in the GitHub repository swan-gtm/gtm-skills (150 stars, last pushed 2d ago), licensed MIT. It adds 51 tokens to every session and 668 once invoked, about $0.0003 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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