Synthiq

Skills marketplace

Ready-made skills. Installed in minutes.

Each skill teaches your AI one job, done a disciplined way, every time — tested, installable in Claude, and yours to edit. Two are free. Paid skills are $29$39, one time, delivered instantly at a private link.

These are generic, role-based skills. Want one built on your own templates and examples instead? Custom skills start here.

Free — try the format

Download, install, use — no payment, no email required. If the format earns its keep, the paid shelf is below.

Founders & sales

free

Brand-Voice Email Rewriter

Rewrites any draft email in your saved voice — same message, your tone, every time.

  • The rewriter skill, installable in Claude
  • A fill-once voice-profile template it reads from
  • Three worked before/after examples
Download free .zip

Marketing & creators

free

Social-Post Repurposer

Turns one piece of content into native-feeling posts for LinkedIn, X, and a newsletter.

  • The repurposer skill with per-platform rules
  • A platform guide (length, hooks, formatting) it enforces
  • Honest-tone guardrails — no fabricated claims or engagement bait
Download free .zip

The shelf — $29$39, one time

Buy → pay with Stripe → your download link arrives by email and never expires. No account, no subscription.

Consultants & agencies

$39

Meeting Notes → Proposal

Turns messy call notes into a clean, structured client proposal — your sections, every time.

  • The proposal skill with a strict section template
  • A customizable proposal template file
  • Built-in "do not invent scope" guardrails: gaps become open questions, not fabrications

One-time payment via Stripe. Your link arrives by email and does not expire.

Managers & team leads

$29

Weekly Report Formatter

Compiles scattered updates into one skimmable weekly report with wins, risks, and next steps.

  • The formatter skill with a fixed report shape
  • A report template you can adjust once and keep
  • Rules that surface risks instead of burying them

One-time payment via Stripe. Your link arrives by email and does not expire.

Developers

$29

Code-Review Checklist Runner

Runs a disciplined review checklist over a diff — correctness, security, tests — and reports only real findings.

  • The review skill with a severity-ordered output format
  • The full checklist file (editable to your team standards)
  • A "no speculative nitpicks" rule set — findings need a failure scenario

One-time payment via Stripe. Your link arrives by email and does not expire.

Job seekers

$39

Job-Application Tailor

Tailors your real résumé and cover letter to one job posting — truthfully, without inventing experience.

  • The tailoring skill with a hard no-fabrication rule
  • A keyword-alignment checklist it works through
  • Cover-letter structure that mirrors the posting, not a generic template

One-time payment via Stripe. Your link arrives by email and does not expire.

Students & researchers

$39

Research Summarizer + Citation Checker

Summarizes papers into structured notes and flags every claim that lacks a checkable citation.

  • The summarizer skill with a fixed note structure
  • A citation-integrity pass: claims, sources, and confidence separated
  • A "what this paper does NOT show" section — the part readers skip

One-time payment via Stripe. Your link arrives by email and does not expire.

Ops & analysts

$29

Spreadsheet Cleanup

Turns a messy exported table into clean, consistent, analysis-ready data — with a change log.

  • The cleanup skill with a recipes file for common messes
  • A rule it never breaks: every transformation is logged, nothing is silently dropped
  • Output as clean CSV plus a plain-English change summary

One-time payment via Stripe. Your link arrives by email and does not expire.

The whole shelf

All 6 paid skills — $99

Every paid skill above, one payment, one download page. $204 bought separately — you save $105. The saving is computed from the list prices, never hand-typed.

One-time payment via Stripe. Your link arrives by email and does not expire.