YALC-the-GTM-operating-system: Skill for Claude Code

.claude/skills/find-lookalikes/SKILL.md

find-lookalikes is a skill for Claude Code from Othmane-Khadri/YALC-the-GTM-operating-system. It costs 90 tokens per session (514 once invoked), scanned A, original, MIT.

A tool for finding companies that resemble a chosen company or website domain. It uses PredictLeads’ similar-company search and saves the results for later work.

In plain words
What is it for?
Use it to find similar prospects or accounts starting from a company domain, then prepare those results for enrichment or qualification.
Why use it?
It avoids having to discover comparable businesses manually when expanding a company list.

Skill for Claude Code

Written for Claude Code: installed under .claude/.

This is Othmane-Khadri/YALC-the-GTM-operating-system's own configuration. It tells Claude Code how to work on YALC-the-GTM-operating-system itself, so it is not a mod to install elsewhere. Copy it as a starting point and replace the rules that are about this project. Everything YALC-the-GTM-operating-system configures →

Reuse

Borrowing it

Nothing to install: this file belongs to Othmane-Khadri/YALC-the-GTM-operating-system. Take a copy, put it at the same path in your own repository, and replace the rules that are about this project with yours.

Copy the file
curl -O https://raw.githubusercontent.com/Othmane-Khadri/YALC-the-GTM-operating-system/main/.claude/skills/find-lookalikes/SKILL.md
Clone the repo
git clone --depth 1 https://github.com/Othmane-Khadri/YALC-the-GTM-operating-system

Made for: Claude Code.

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agentmods badge for find-lookalikes

README.md
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Your own site
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agentmods 80×15 button for find-lookalikes

Your own site · 80×15
<a href="https://agentmods.dev/skills/othmane-khadri/yalc-the-gtm-operating-system/find-lookalikes"><img src="https://agentmods.dev/badge/skills/othmane-khadri/yalc-the-gtm-operating-system/find-lookalikes.svg" alt="Reviewed on agentmods" width="80" height="20"></a>
Per session 90 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 514 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 warn 7 Sept 2026
SkillSpector: 2 findings, up to high

These are SkillSpector’s own severities. On a checked sample its high-severity flags on skills were ~96% false positives — a documented command, a public API, a “never do X” rule — so we show them as a caution to read, not a verdict. Why →

  • high Privilege Escalation · line 36
    Code accesses credential files (SSH keys, AWS credentials, etc.). This could indicate credential theft attempts.
    Fix: Remove references to credential paths. Use environment variables or secrets managers. For docs, use placeholder paths (e.g., /path/to/config). Never load .env or token files in production code paths.
  • medium MCP Rug Pull · line 37
    npx commands without a version suffix (e.g. @1.0.0) create a rug-pull risk if the upstream server is compromised and publishes a malicious update.
    Fix: Pin the version: npx @scope/[email protected]
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 $0.00090 $0.00514
Opus 5 $0.00045 $0.00257
Sonnet 5 $0.00018 $0.00103
Haiku 4.5 $0.00009 $0.00051

Measured 13d ago against content hash 665a7d7ffa1b, method: parsed. Prices are Anthropic first-party input rates as of 2026-09-12, from the pricing page.

Security

Grade A, and why

find-lookalikes 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 13d 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.

.claude/skills/find-lookalikes/SKILL.md · 59 lines

What it actually says

Find Lookalikes

I'll wrap signals:similar. Ask for a seed domain, shell out to PredictLeads, dedupe + cache, and surface the lookalike list as a result set.

When This Skill Applies

  • "find lookalikes for [domain]"
  • "companies similar to [name]"
  • "show me lookalike accounts"
  • "expand from this company"
  • "discover similar prospects"

NOT this skill (use prospect-discovery-pipeline instead):

  • "find prospects like our best client" — that's the full 5-phase orchestrator (lookalikes → ICP filter → CMO finder → signals → variants).

NOT this skill (use enrich-with-signals instead):

  • "enrich these companies with PredictLeads signals" — that pulls jobs/news/funding/tech for an EXISTING list.

Workflow

Step 0 — Ask for seed domain

"What's the seed domain or company URL?"

Step 1 — Validate (basic domain format)

Step 2 — Shell out

cd ~/Desktop/gtm-os && set -a && source .env.local && set +a && \
  npx tsx src/cli/index.ts signals:similar --domain <domain>

Single-command side-effecting → shell out per the benchmark.

Step 3 — Parse output

The CLI emits the lookalike list + result set id + cache hit/miss flags.

Step 4 — Render

See references/example-output.md.

Step 5 — Offer follow-ups

"Want me to (a) enrich these with signals via enrich-with-signals, (b) qualify them via qualify-leads?"

Notes

  • Requires PREDICTLEADS_API_KEY in ~/.gtm-os/.env.
  • Cached 7 days per seed domain.
  • ~1 PredictLeads credit per call.
Files

What ships with it

1 file beside SKILL.md in the same directory: the scripts, references and assets a skill reads on demand. Not counted in the per-session cost; read them before you install if any of them is executable.

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. 13d ago First seen · 59 lines · 90 tokens per session scan A 665a7d7ffa1b

Subscribe to this mod's changes

find-lookalikes is a skill published in the GitHub repository Othmane-Khadri/YALC-the-GTM-operating-system (301 stars, last pushed 23d ago), licensed MIT. It adds 90 tokens to every session and 514 once invoked, about $0.0005 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.