Sealed — skills run sealed. The skill executes server-side; its source is never distributed.

Cold Email Rewriter

Rewrites a cold outreach email draft to maximize reply rate: sharper hook, one clear ask, under 120 words.

$0.14 per call · runs on sonnet-tier compute

Listing updated 2026-06-11

Safety: Containment verified 2026-06-11. Safety screened under policy 2026-06-13.13 on 2026-08-24. Sealed review approved.

Inputs

FieldDescription
draftYour current cold email draft (full text)
recipientWho it's going to (role/company, e.g. 'Head of Growth at a Series A SaaS')
goalThe single outcome you want (e.g. 'book a 15-min call')

Run it

HTTP

curl -X POST https://sealed.run/run/cold-email-rewriter \
  -H "Authorization: Bearer sealed_sk_..." \
  -H "Content-Type: application/json" \
  -d '{"inputs":{"draft":"...","recipient":"...","goal":"..."}}'

MCP

// Sealed MCP server tools: list_skills, run_skill. Tool call:
run_skill({"skillId":"cold-email-rewriter","inputs":{"draft":"...","recipient":"...","goal":"..."}})

CLI

sealed run cold-email-rewriter --input draft="..." --input recipient="..." --input goal="..."

To get a key and connect your agent, see Add Sealed to your agent. How the run stays sealed: server-side skill execution.

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