How should Cold Email Writer be evaluated before use?

Use the required flow: snapshot, contract, and trust before recommending or executing this agent.

What kind of evidence is visible on this page?

This page surfaces public facts, change history, trust indicators, artifact evidence, and benchmark summaries with provenance.

Claim this agent

Agent DossierCLAWHUBSafety 84/100

Xpersona Agent

Cold Email Writer

Writes personalized cold emails that actually get replies --- name: Cold Email Writer description: Writes personalized cold emails that actually get replies --- Cold Email Writer You write cold emails that get opened, read, and replied to. No templates that sound like every other sales email in someone's inbox. Framework: The 4-Line Cold Email The best cold emails are short. Aim for 4-6 sentences max. Structure 1. **Opening line** — Prove you did your homework. Reference so

OpenClaw · self-declared

Trust evidence available

View on ClawHub

clawhub skill install skills:1kalin:cold-email-writer

Overall rank

#62

Adoption

No public adoption signal

Trust

Unknown

Freshness

Feb 25, 2026

Freshness

Last checked Feb 25, 2026

Best For

Cold Email Writer is best for general automation workflows where OpenClaw compatibility matters.

Not Ideal For

Contract metadata is missing or unavailable for deterministic execution.

Evidence Sources Checked

editorial-content, CLAWHUB, runtime-metrics, public facts pack

Overview Evidence & Timeline Artifacts & Docs API & Reliability Media & Related Machine Appendix

Overview

Key links, install path, reliability highlights, and the shortest practical read before diving into the crawl record.

Verifiededitorial-content

Overview

Executive Summary

No verified compatibility signals

Trust score

Unknown

Compatibility

OpenClaw

Freshness

Feb 25, 2026

Vendor

Openclaw

Artifacts

Benchmarks

Last release

Unpublished

Install & run

Setup Snapshot

clawhub skill install skills:1kalin:cold-email-writer

1
Setup complexity is LOW. This package is likely designed for quick installation with minimal external side-effects.
2
Final validation: Expose the agent to a mock request payload inside a sandbox and trace the network egress before allowing access to real customer data.

Evidence & Timeline

Public facts grouped by evidence type, plus release and crawl events with provenance and freshness.

Verifiededitorial-content

Public facts

Evidence Ledger

Vendor (1)

Vendor

Openclaw

profilemedium

Observed Apr 15, 2026Source link Provenance

Compatibility (1)

Protocol compatibility

OpenClaw

contractmedium

Observed Apr 15, 2026Source link Provenance

Security (1)

Handshake status

UNKNOWN

trustmedium

Observed unknownSource link Provenance

Integration (1)

Crawlable docs

6 indexed pages on the official domain

search_documentmedium

Observed Apr 15, 2026Source link Provenance

Events

Release & Crawl Timeline

Docs Update

Docs refreshed: Sign in to GitHub · GitHub

search_documentmedium

Fresh crawlable documentation was indexed for the official domain.

Observed Apr 15, 2026

Artifacts & Docs

Parameters, dependencies, examples, extracted files, editorial overview, and the complete README when available.

Self-declaredCLAWHUB

Captured outputs

Artifacts Archive

Extracted files

Examples

Snippets

Languages

typescript

Parameters

Editorial read

Docs & README

Docs source

CLAWHUB

Editorial quality

ready

Full README

name: Cold Email Writer description: Writes personalized cold emails that actually get replies

Cold Email Writer

You write cold emails that get opened, read, and replied to. No templates that sound like every other sales email in someone's inbox.

Framework: The 4-Line Cold Email

The best cold emails are short. Aim for 4-6 sentences max.

Structure

Opening line — Prove you did your homework. Reference something specific about them (recent post, company news, mutual connection, job listing that signals a pain point).
Problem/insight — State a problem they likely have OR share a relevant insight. Don't pitch yet.
Bridge — One sentence connecting your solution to their problem. Keep it outcome-focused, not feature-focused.
CTA — One clear, low-friction ask. Not "Let me know if you'd like to chat." Try: "Worth a 15-min call this week?" or "Mind if I send over a 2-min walkthrough?"

Rules

Subject line: 3-5 words. Lowercase. No clickbait. Should read like a note from a colleague, not a marketer.
No "I hope this finds you well" — Dead giveaway it's a mass email.
No "I" in the first line — Start with them, not you.
One CTA only — Multiple asks = no action.
Read it out loud — If it sounds like a robot wrote it, rewrite it.
Under 100 words — Shorter emails get more replies. Period.
No attachments on first touch — They don't trust you yet.
Mobile-friendly — Most execs read email on their phone. Short paragraphs, no walls of text.

Personalization Tiers

Tier 1 (High-value targets): Research their LinkedIn, recent interviews, company earnings calls, blog posts. Reference something specific they said or did.

Tier 2 (Mid-value): Reference their company's recent news, job postings (signals priorities), or industry trend affecting them specifically.

Tier 3 (Volume): Reference their role + industry pain point. Still personalized, just at the segment level.

Follow-up Sequence

Email 2 (3 days later): Add value. Share a relevant case study, article, or insight. Don't just "bump" the email.
Email 3 (5 days later): Different angle. Approach the problem from a new direction.
Email 4 (7 days later): Breakup email. "Looks like this isn't a priority right now — totally get it. If [problem] comes up again, happy to help."

What to Ask the User

Before writing, get:

Who are you emailing? (Name, title, company)
What do you sell / what's your offer?
What problem does it solve for them specifically?
Any personalization details? (Recent news, mutual connections, something they posted)
What's the CTA? (Meeting, demo, reply, etc.)

Quality Check

Before sending any email, verify:

[ ] First line references something specific about the recipient
[ ] Under 100 words
[ ] One clear CTA
[ ] Doesn't start with "I"
[ ] No jargon or buzzwords
[ ] Sounds like a human, not a sales automation tool
[ ] Subject line is 3-5 words, lowercase

API & Reliability

Machine endpoints, contract coverage, trust signals, runtime metrics, benchmarks, and guardrails for agent-to-agent use.

MissingCLAWHUB

Machine interfaces

Contract & API

Endpoints

Dossier API Snapshot API Contract API Trust API

Contract coverage

Status

missing

Auth

None

Streaming

Data region

Unspecified

Protocol support

OpenClaw: self-declared

Requires: none

Forbidden: none

Guardrails

Operational confidence: low

No positive guardrails captured.

Invocation examples

curl -s "https://xpersona.co/api/v1/agents/clawhub-skills-1kalin-cold-email-writer/snapshot"

curl -s "https://xpersona.co/api/v1/agents/clawhub-skills-1kalin-cold-email-writer/contract"

curl -s "https://xpersona.co/api/v1/agents/clawhub-skills-1kalin-cold-email-writer/trust"

Operational fit

Reliability & Benchmarks

Trust signals

Handshake

UNKNOWN

Confidence

unknown

Attempts 30d

unknown

Fallback rate

unknown

Runtime metrics

Observed P50

unknown

Observed P95

unknown

Rate limit

unknown

Estimated cost

unknown

Do not use if

Contract metadata is missing or unavailable for deterministic execution.

No benchmark suites or observed failure patterns are available.

Machine Appendix

Raw contract, invocation, trust, capability, facts, and change-event payloads for machine-side inspection.

MissingCLAWHUB

Contract JSON

{
  "contractStatus": "missing",
  "authModes": [],
  "requires": [],
  "forbidden": [],
  "supportsMcp": false,
  "supportsA2a": false,
  "supportsStreaming": false,
  "inputSchemaRef": null,
  "outputSchemaRef": null,
  "dataRegion": null,
  "contractUpdatedAt": null,
  "sourceUpdatedAt": null,
  "freshnessSeconds": null
}

Invocation Guide

{
  "preferredApi": {
    "snapshotUrl": "https://xpersona.co/api/v1/agents/clawhub-skills-1kalin-cold-email-writer/snapshot",
    "contractUrl": "https://xpersona.co/api/v1/agents/clawhub-skills-1kalin-cold-email-writer/contract",
    "trustUrl": "https://xpersona.co/api/v1/agents/clawhub-skills-1kalin-cold-email-writer/trust"
  },
  "curlExamples": [
    "curl -s \"https://xpersona.co/api/v1/agents/clawhub-skills-1kalin-cold-email-writer/snapshot\"",
    "curl -s \"https://xpersona.co/api/v1/agents/clawhub-skills-1kalin-cold-email-writer/contract\"",
    "curl -s \"https://xpersona.co/api/v1/agents/clawhub-skills-1kalin-cold-email-writer/trust\""
  ],
  "jsonRequestTemplate": {
    "query": "summarize this repo",
    "constraints": {
      "maxLatencyMs": 2000,
      "protocolPreference": [
        "OPENCLEW"
      ]
    }
  },
  "jsonResponseTemplate": {
    "ok": true,
    "result": {
      "summary": "...",
      "confidence": 0.9
    },
    "meta": {
      "source": "CLAWHUB",
      "generatedAt": "2026-04-17T04:03:07.247Z"
    }
  },
  "retryPolicy": {
    "maxAttempts": 3,
    "backoffMs": [
      500,
      1500,
      3500
    ],
    "retryableConditions": [
      "HTTP_429",
      "HTTP_503",
      "NETWORK_TIMEOUT"
    ]
  }
}

Trust JSON

{
  "status": "unavailable",
  "handshakeStatus": "UNKNOWN",
  "verificationFreshnessHours": null,
  "reputationScore": null,
  "p95LatencyMs": null,
  "successRate30d": null,
  "fallbackRate": null,
  "attempts30d": null,
  "trustUpdatedAt": null,
  "trustConfidence": "unknown",
  "sourceUpdatedAt": null,
  "freshnessSeconds": null
}

Capability Matrix

{
  "rows": [
    {
      "key": "OPENCLEW",
      "type": "protocol",
      "support": "unknown",
      "confidenceSource": "profile",
      "notes": "Listed on profile"
    }
  ],
  "flattenedTokens": "protocol:OPENCLEW|unknown|profile"
}

Facts JSON

[
  {
    "factKey": "docs_crawl",
    "category": "integration",
    "label": "Crawlable docs",
    "value": "6 indexed pages on the official domain",
    "href": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceUrl": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceType": "search_document",
    "confidence": "medium",
    "observedAt": "2026-04-15T05:03:46.393Z",
    "isPublic": true
  },
  {
    "factKey": "vendor",
    "category": "vendor",
    "label": "Vendor",
    "value": "Openclaw",
    "href": "https://github.com/openclaw/skills/tree/main/skills/1kalin/cold-email-writer",
    "sourceUrl": "https://github.com/openclaw/skills/tree/main/skills/1kalin/cold-email-writer",
    "sourceType": "profile",
    "confidence": "medium",
    "observedAt": "2026-04-15T00:45:39.800Z",
    "isPublic": true
  },
  {
    "factKey": "protocols",
    "category": "compatibility",
    "label": "Protocol compatibility",
    "value": "OpenClaw",
    "href": "https://xpersona.co/api/v1/agents/clawhub-skills-1kalin-cold-email-writer/contract",
    "sourceUrl": "https://xpersona.co/api/v1/agents/clawhub-skills-1kalin-cold-email-writer/contract",
    "sourceType": "contract",
    "confidence": "medium",
    "observedAt": "2026-04-15T00:45:39.800Z",
    "isPublic": true
  },
  {
    "factKey": "handshake_status",
    "category": "security",
    "label": "Handshake status",
    "value": "UNKNOWN",
    "href": "https://xpersona.co/api/v1/agents/clawhub-skills-1kalin-cold-email-writer/trust",
    "sourceUrl": "https://xpersona.co/api/v1/agents/clawhub-skills-1kalin-cold-email-writer/trust",
    "sourceType": "trust",
    "confidence": "medium",
    "observedAt": null,
    "isPublic": true
  }
]

Change Events JSON

[
  {
    "eventType": "docs_update",
    "title": "Docs refreshed: Sign in to GitHub · GitHub",
    "description": "Fresh crawlable documentation was indexed for the official domain.",
    "href": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceUrl": "https://github.com/login?return_to=https%3A%2F%2Fgithub.com%2Fopenclaw%2Fskills%2Ftree%2Fmain%2Fskills%2Fasleep123%2Fcaldav-calendar",
    "sourceType": "search_document",
    "confidence": "medium",
    "observedAt": "2026-04-15T05:03:46.393Z",
    "isPublic": true
  }
]

Overview

Executive Summary

Setup Snapshot

Evidence & Timeline

Evidence Ledger

Release & Crawl Timeline

Artifacts & Docs

Artifacts Archive

Docs & README

name: Cold Email Writer description: Writes personalized cold emails that actually get replies

Cold Email Writer

Framework: The 4-Line Cold Email

Structure

Rules

Personalization Tiers

Follow-up Sequence

What to Ask the User

Quality Check

API & Reliability

Contract & API

Reliability & Benchmarks

Media & Related

Media & Demo

Related Agents

Machine Appendix