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Martechs

GTM engineering library

GTM engineering skills for Claude Code and any AI agent.

58 operating playbooks for ABM, outbound, cold email, list building, deliverability, and signals, packaged as installable skills. Read the full guide, then add it to Claude Code, Codex, Cursor, or 70+ compatible agents.

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Skills available

58

One SKILL.md per skill. MIT licensed and maintained in public.

Install the whole library in one command

npx skills add automatewithuday/GTM-Skills
Agent Skills spec ยท MITView the repository on GitHub

GTM engineering

What a GTM skill is, and why it works in Claude Code.

A skill is one Markdown file that teaches an AI agent one GTM job. It lists the inputs the job needs, the steps to run, the tools to call, and the checks to make before handing work back. Claude Code, Codex, and Cursor all read the same SKILL.md format, so one file works everywhere.

GTM engineering means running go-to-market as a system. Data, signals, copy, and sends become repeatable workflows instead of one-off campaigns. These 58 skills are the workflows behind our own client programs, published under MIT so a GTM engineer, a founder, or a one-person sales team can run them without us.

The complete index

All 58 GTM skills

Start with the job you need done. Every detail page has the full skill, its source repository, and a downloadable SKILL.md.

58 skills

ABMv1.0
/abm-measurement

How to measure ABM success

Measuring, reporting on, or auditing an account-based marketing (ABM) program, choosing account-level metrics by funnel stage (coverage, awareness/reach, engagement, pipeline, revenue), picking an attribution model (weighted multi-touch, W-shaped, hybrid), calculating ABM ROI, pipeline ROI, cost per engaged account, cost per pipeline account, pipeline velocity, ABM CAC or LTV:CAC, comparing results to benchmarks, or checking measurement maturity before launch.

by
@automatewithuday
Use skill
ABMv1.0
/abm-retargeting

ABM retargeting

Planning, building, or troubleshooting retargeting campaigns for ABM target accounts, segmenting audiences by engagement level or page visited, setting ad frequency caps and creative rotation, sequencing a multi-channel play (LinkedIn, Meta, Google, email, BDR, direct mail) after a trigger like a pricing-page visit, setting up website or matched audiences in LinkedIn Campaign Manager, Meta, or Google Ads, syncing CRM (HubSpot) lists to ad audiences, or weighting multi-touch attribution for retargeting.

by
@automatewithuday
Use skill
ABMv1.0
/abm-target-accounts

ABM target account lists

Building, sizing, scoring, tiering, or managing a target account list for ABM, working out how many accounts a revenue target needs, defining ICP criteria, building lookalikes from best customers, enriching and scoring accounts (Clay, BuiltWith, Apollo), setting A/B/C/D tiers, importing accounts into HubSpot with ABM stage properties, syncing company lists to LinkedIn Campaign Manager, or automating stage progression from ad engagement.

by
@automatewithuday
Use skill
Iterate & automatev1.0
/auto-research-public

Auto Research

Launching a cold email campaign from a single target company domain with no list, ICP, or copy yet, Smartlead inboxes are already warmed, and the goal is a live campaign in under an hour with minimal hand-holding.

by
@automatewithuday
Use skill
Outreachv1.0
/b2b-cold-email-copywriting

B2B cold email copywriting

Writing or fixing cold email that has to land in the primary inbox and get replies at volume, a cold sequence for an enriched list, outbound copy for a new offer, or a campaign getting no replies. Covers the Big-3 diagnosis order (list, offer, copy), deliverability prerequisites, five email frameworks, the personalisation ladder, interest-based CTAs, the follow-up arc, deliverability-safe spintax, banned words, and a pre-send QA checklist.

by
@automatewithuday
Use skill
List buildingv1.0
/blitz-list-builder

Blitz List Builder

A list of company domains already exists (competitors, Google Maps export, named accounts) and the job is finding the owner, founder, CEO, or VP at each one via the Blitz API. Best for SMB owner-finding and named-account ABM.

by
@automatewithuday
Use skill
List buildingv1.0
/buying-committee-mapper

Buying Committee Mapper

A qualified account list exists and more than one person per account must be contacted before any email goes out, anyone saying multithreading, buying committee, 'who should we contact at each account', title mapping, persona mapping, decision maker vs champion vs blocker, or 'which titles do we target'.

by
@automatewithuday
Use skill
Strategyv1.0
/campaign-copywriting

Campaign copywriting

Writing or rewriting cold email campaign copy, subject lines, first lines, body, and the follow-up sequence, from a campaign strategy doc, a website, or client context, or when reviewing, scoring, or tightening an existing cold email.

by
@automatewithuday
Use skill
Strategyv1.0
/campaign-strategy

Campaign strategy

Planning cold outbound campaigns for a client or your own company, generating a slate of campaign ideas from broad to niche with list filters, AI-personalization strategies, and value propositions, given a website, ICP profile, or client context.

by
@automatewithuday
Use skill
Signalsv1.0
/champion-move-detection

Champion move detection

Running a monthly sweep for champions or heavy users of paying customers who changed jobs, building per-account watchlists, verifying moves against live LinkedIn data, routing qualifying moves into account scoring as MQLs, and flagging churn risk on the account they left.

by
@automatewithuday
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Signal playbooksv1.0
/clay-playbooks

Clay Playbooks

Building or running any of the signal playbooks in Clay, either as a browser-built table or a CLI-built workflow, and the shared conventions, credit gates, and build harnesses are needed. Also use as the index to pick which playbook produces which field.

by
@automatewithuday
Use skill
Signalsv1.0
/closed-won-replication-play

Closed-won replication play

A deal moves to Closed Won and you want to turn the win into new pipeline right away, finding lookalike companies not yet in the CRM and drafting outreach from the deal owner for batch review.

by
@automatewithuday
Use skill
Strategyv1.0
/cold-email-kickoff

Cold Email Kickoff

Someone is starting cold email from scratch, says "where do I begin", or needs the guided entry point that walks through ICP, lead magnet, campaign strategy, and a plan before touching domains or lists.

by
@automatewithuday
Use skill
Copy & sendv1.0
/cold-email-starter-kit

Cold Email Starter Kit

Learning cold email end to end or launching a first campaign the manual way: buying domains (Dynadot), provisioning inboxes (Zapmail), building lists (Prospeo), writing copy, enrichment, and sending (Smartlead or Instantly). Also use as the reference library when another skill needs deliverability, sequence, API, legal, or troubleshooting detail.

by
@automatewithuday
Use skill
Iterate & automatev1.0
/cold-email-weekly-rhythm

Cold Email Weekly Rhythm

A cold email program is live and the question is what to do each Monday, Wednesday, Friday, biweekly, monthly, and quarterly to keep it healthy.

by
@automatewithuday
Use skill
List buildingv1.0
/competitor-engagers

Competitor Engagers

Building a list of people who like or comment on competitors' LinkedIn posts, starting from a website URL.

by
@automatewithuday
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Infrastructurev1.0
/deliverability-incident-response

Deliverability Incident Response

Cold email deliverability breaks: "I landed in spam", bounce rate spiked, a domain is blacklisted, warmup got blocked, or reply rate fell off a cliff. Symptom-keyed triage for what to check first, likely cause, fix, and recovery timeline. Pair with email-deliverability-audit for a full diagnosis.

by
@automatewithuday
Use skill
Iterate & automatev1.0
/deliverability-test-public

Deliverability Test

Comparing reply, bounce, and positive-reply rates by inbox type (SMTP vs Gmail vs Outlook) across a Smartlead account, or deciding which inbox provider to buy more of.

by
@automatewithuday
Use skill
List buildingv1.0
/disco-like

Disco-Like

A handful of known-good seed domains or a plain-language ICP description needs to become hundreds of lookalike companies via DiscoLike's business domain database.

by
@automatewithuday
Use skill
Infrastructurev1.0
/email-deliverability-audit

Email Deliverability Audit

Reply rates drop, bounces spike, a Smartlead account is being taken over, or a routine weekly health check is due: SPF/DKIM/DMARC checks, inbox reputation, spam placement, and domains under the 1% reply-rate line. Also use before scaling send volume.

by
@automatewithuday
Use skill
Infrastructurev1.0
/email-gateway-detection

Email Gateway Detection

Building, cleaning or enriching an outbound list and you need to know which secure email gateway (Proofpoint, Mimecast, Barracuda, Cisco IronPort) or mailbox provider (Google, Microsoft) sits behind each domain; when enterprise emails are not landing; or when the user mentions SEGs, MX records, ESP matching, inbox placement at large companies, or splitting campaigns by email provider, even if they never say gateway.

by
@automatewithuday
Use skill
Iterate & automatev1.0
/experiment-design

Experiment Design

Planning a cold email test and the risk is changing list and copy at the same time and learning nothing. Covers list-only, copy-only, and combined experiments, sample size, and confidence weighting.

by
@automatewithuday
Use skill
List buildingv1.0
/google-maps-list-builder

Google Maps List Builder

Targeting local SMBs (restaurants, clinics, gyms, salons, contractors) by category and location and the list should come from Google Maps as a CSV ready for enrichment.

by
@automatewithuday
Use skill
Strategyv1.0
/icp-onboarding

ICP Onboarding

Starting a new cold email engagement or client and the ICP, offer, hard filters, soft preferences, and banned industries have not been written down yet. Produces the client-profile.yaml that campaign-strategy and list-building skills consume.

by
@automatewithuday
Use skill
List buildingv1.0
/icp-prompt-builder

ICP Prompt Builder

A list-building skill (disco-like, prospeo-full-export, blitz-list-builder, google-maps-list-builder) has just produced companies and the AI prompt that decides ICP fit needs to be built or tuned before spending on enrichment.

by
@automatewithuday
Use skill
Strategyv1.0
/lead-magnet-brainstorm

Lead Magnet Brainstorm

Cold email copy needs a free offer or hook, when someone asks "what can I give away" or "we need a stronger CTA", or when the core offer is too direct for a cold first touch.

by
@automatewithuday
Use skill
List buildingv1.0
/list-builder

List Builder

The request is "build me a list", "get me leads for X", or "find everyone who..." and the goal is the largest qualified list possible across Prospeo, GetLeads, Blitz, and lookalike snowballing, with AI qualification and uncapped contact pull. Requires list-expander installed alongside.

by
@automatewithuday
Use skill
List buildingv1.0
/list-expander

List Expander

A niche list feels incomplete, known good-fit companies are missing from keyword searches, or ~10 seed companies need to become a full qualified TAM.

by
@automatewithuday
Use skill
List buildingv1.0
/list-quality-scorecard

List Quality Scorecard

A lead list is enriched and about to be uploaded to Smartlead or another sender, and it needs a grade on duplicates, title relevance, bad-title patterns, catch-all density, verification coverage, and ICP fit first.

by
@automatewithuday
Use skill
Iterate & automatev1.0
/personalization-subagent-pattern

Personalization Sub-Agent Pattern

A campaign needs per-lead custom variables (situation lines, value lines, CTAs) generated for hundreds of rows inside Claude Code using parallel sub-agents, with a human approval loop before scaling.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-ad-library

Playbook: Meta Ad Library

Targeting companies currently running Meta (Facebook/Instagram) ads, or when an ad_library_line describing one live offer is needed on every row.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-ai-specificity

Playbook: AI Specificity Line

The offer is generic and each email needs one sentence naming what the seller would actually do for this specific company, drawn from homepage evidence.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-case-study-page

Playbook: Case-Study Page Name-Drop

The opener should reference a named customer the prospect publishes on their site (case studies, customer stories), with a verbatim quote as proof.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-company-name-cleaning

Playbook: Company Name Cleaning

Copy names the prospect's company and the raw field is messy (legal suffixes, taglines, dba entities, ALL CAPS).

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-creative-ideas

Playbook: 3-Bullet Creative Ideas

The email premise is "I looked at your business and had three ideas" and the three idea slots must be operator-defined, not free-form.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-first-name-cleaning

Playbook: First Name Cleaning

The greeting uses the prospect's first name and the raw field is broken: honorifics, emoji, job titles, all-caps, appended hiring notices.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-fundraising

Playbook: Fundraising

The list should be companies that raised an equity round in the last 12 months, or when a funding_line is needed on every row.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-google-site-search

Playbook: Google site: Keyword Filter

A list should be filtered by whether each company's website mentions a keyword, phrase, or certification, using a site: search per domain.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-hiring-surge

Playbook: Hiring Surge

Targeting companies growing a specific department (sales, marketing) in the last 6 months, or when a hiring_surge_line is needed with role-start counts as evidence.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-job-posting-language

Playbook: Job Posting Language

The opening line should quote a live job posting that names the prospect's own problem (keywords like "cold calling" or "Salesforce" in the description), with freshness gates so aged-out postings are blanked.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-linkedin-engagement

Playbook: LinkedIn Engagement

The list should be people who liked or commented on a competitor's or customer's LinkedIn posts, with source-company exclusions and a DNC list.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-lookalikes

Playbook: Case-Study Lookalikes

Building a list around one flagship customer or case study by decomposing why it resonates (industry, headcount, keywords) and filtering lookalikes with a model judge.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-name-to-other-prospects

Playbook: Name 2 Other Prospects

The email should ask "is this you or someone else" by naming two senior colleagues at the prospect's company.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-new-in-role

Playbook: New in Role

A campaign needs a new_in_role_line on every row: prospects who recently took their seat (0-6 months) and are rebuilding their vendor stack.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-pricing-page

Playbook: Pricing Page

The list should split self-serve from sales-led companies, or when an offer needs anchoring against a prospect's published price points, read from their own pricing page.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-social-link-finding

Playbook: Company Social Link Finding

A campaign needs each company's verified official social profile URLs (LinkedIn, X, Facebook, Instagram, YouTube, TikTok) from a domain. Also use before engagement scraping or ad-library lookups that need the right page.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-social-posts

Playbook: Recent Social Post

The opening line should reference one recent post from the prospect or their company page, with a skip filter for personal, political, or charged content.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-tech-on-website

Playbook: Technology On Website

Targeting by technology installed on the prospect's website (Shopify, HubSpot, WordPress, Klaviyo) and technographic vendor claims need verifying against the live site.

by
@automatewithuday
Use skill
Signal playbooksv1.0
/playbook-warm-intros

Playbook: Warm Intros

The opener should come from a real connection: prospects who used to work at a current customer or case-study company, share an investor, metro, or event.

by
@automatewithuday
Use skill
Iterate & automatev1.0
/positive-reply-scoring

Positive Reply Scoring

Judging whether a Smartlead campaign is actually working: pull replies, classify them (interested, soft positive, referral, neutral, negative, OOO, bounce, unsubscribe), and compute positive reply rate against the 1% bar.

by
@automatewithuday
Use skill
List buildingv1.0
/prospeo-full-export

Prospeo Full Search Export

Exporting an entire Prospeo people search to CSV, including searches over the 25K result limit that need state-by-state splitting.

by
@automatewithuday
Use skill
List buildingv1.0
/prospeo-search-api

Prospeo Search Person API

Calling the Prospeo Search Person API directly and the exact request format, filter types, industry values, pagination, or rate limits are needed.

by
@automatewithuday
Use skill
Copy & sendv1.0
/smartlead-api

Smartlead API Reference

Any Smartlead operation needs to be done programmatically: campaigns, leads, email accounts, analytics, master inbox, webhooks. Endpoint reference, auth, rate limits, and TypeScript patterns shared by the other Smartlead skills.

by
@automatewithuday
Use skill
Copy & sendv1.0
/smartlead-campaign-upload-public

Smartlead Campaign Upload

A leads CSV and a variants.yaml (from campaign-copywriting) are ready and need to become a DRAFT campaign in Smartlead with A/B/C variants, tag-scoped inboxes, custom-field mapping, and schedule. Never starts the campaign; a human hits Start.

by
@automatewithuday
Use skill
Infrastructurev1.0
/smartlead-inbox-manager

Smartlead Inbox Manager

Managing Smartlead inboxes at scale: enabling or disabling warmup with correct ramp settings, bulk-setting signatures, tagging inboxes active vs insurance, or checking inbox health. Also use right after new inboxes arrive from zapmail-domain-setup-public.

by
@automatewithuday
Use skill
Copy & sendv1.0
/smartlead-spintax

Smartlead Spintax Skill

A cold email sequence needs Smartlead-compatible spintax ({option1|option2}) on subject lines, openers, CTAs, or transitions for deliverability, or when existing spintax may be producing broken sentences.

by
@automatewithuday
Use skill
Copy & sendv1.0
/spam-word-checker

Spam Word Checker

Writing, reviewing, or QA-ing cold email copy for spam-trigger words, promotional pressure, fake urgency, and phishing-style phrasing that hurt deliverability. Runs on any draft during campaign-copywriting or as a standalone check before upload.

by
@automatewithuday
Use skill
Infrastructurev1.0
/zapmail-domain-setup-public

Cold Email Domain Setup: Dynadot + Zapmail

Setting up cold email infrastructure from zero: generating short domain names, checking availability and buying on Dynadot, switching nameservers, connecting domains on Zapmail, creating inboxes, and exporting them to Smartlead.

by
@automatewithuday
Use skill

How to use the library

Find the job

Search by skill name or filter to one GTM category.

Read the playbook

Check the formulas, workflows, scripts, and guardrails before you install it.

Add it to your agent

Download SKILL.md, or install the public repository with the agent skills CLI.

FAQ

Questions

Three things people ask before they install.

Do these work as Claude Code skills?

Yes. Each skill follows the Agent Skills spec that Claude Code reads natively. Install the repository with the command above, or download a single SKILL.md and drop it into your skills folder.

Do I need to be a GTM engineer to use them?

No. Each skill reads like a playbook first. If you can describe the job, the agent runs the steps. GTM engineers use them to skip the setup. Founders and sales teams use them to get the setup at all.

What do they cost?

Nothing. The library is MIT licensed. Download any skill or install the whole library without an email.