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lessie-skill

by LessieAI · LessieAI/lessie-skill

Claude skill for people/company search, contact enrichment, and email outreach via Lessie's CLI — aggregated from public business data.

LessieAI/lessie-skill wraps Lessie's people & company intelligence (CLI + MCP). Data 'aggregated from publicly available sources (business directories, social profiles, corporate websites)'. Commands cover people search by title/company/location, contact enrichment (email + phone), company research (industry/funding/tech stack/hiring), plus Gmail/Outlook email management.

▶ Watch demo 📦 Install 💡 Use Cases

Why use it

Key features

Live Demo

What it looks like in practice

lessie-skill.replay ▶ ready
0/0

Install

Author repository · Claude Skills documentation

Use Cases

Real-world ways to use lessie-skill

Build a B2B prospect list for a sales sequence

👤 Founders, SDRs, agency owners running targeted outreach ⏱ ~45 min intermediate

When to use: You need 50 qualified contacts for a specific campaign without a Sales Navigator seat.

Flow
  1. Define the ICP
    Use lessie-skill — find Engineering Managers at SaaS companies, 50-500 employees, using Stripe, HQ in EU.✓ Copied
    → Lessie find-people call with filter JSON, not generic search
  2. Enrich contacts
    Enrich the top 25 with verified email.✓ Copied
    → Emails plus validation status returned
  3. Draft personalized emails
    Draft individualized openers using each person's recent company news. No spam phrases.✓ Copied
    → Per-contact personalization, not copy-paste

Outcome: A usable prospect list with personalized opener drafts.

Pitfalls
  • Treating 'verified' email as guaranteed deliverable — Warm your sending domain and monitor bounces — verification is probabilistic
Combine with: github

Source engineering candidates for a specific role

👤 Recruiters and hiring managers on small teams ⏱ ~30 min intermediate

When to use: You need a shortlist before pinging a recruiter.

Flow
  1. Search
    lessie-skill — find Senior Rust engineers in Berlin or remote EU, with distributed systems background.✓ Copied
    → Targeted list with signals (seniority, stack evidence)
  2. Qualify
    For the top 10, summarize each in two sentences: strongest fit signal + one reservation.✓ Copied
    → Honest summaries, not just enrichment fields

Outcome: A human-readable shortlist ready for outreach.

Combinations

Pair with other MCPs for X10 leverage

lessie-skill + github

Research GitHub activity of candidates alongside Lessie profile data

For the Rust shortlist, cross-reference each person's GitHub contributions to Rust projects.✓ Copied
lessie-skill + claude-content-writer-skill

Draft personalized outreach sequences in your brand voice

Using claude-content-writer voice profile, draft 3-email sequences for the top 10 prospects.✓ Copied

Tools

What this MCP exposes

ToolInputsWhen to callCost
find-people title / company / domain / location filters Starting from ICP filters Lessie plan-dependent
enrich-contact person id or profile Shortlist narrowed and ready to contact Per-enrichment credit
find-company company name or domain + optional filters Account research before outreach Plan-dependent
send-email Gmail/Outlook account + to/subject/body Only after you review drafts — don't auto-send at scale Uses your own mailbox

Cost & Limits

What this costs to run

API quota
Depends on Lessie plan — the skill itself is just the prompt wrapper
Tokens per call
Moderate; responses can be large when listing 50+ contacts
Monetary
Free — skills are local files. Lessie's data API is paid; consult current plans.
Tip
Filter aggressively before enrichment; every enrichment call costs credits.

Security

Permissions, secrets, blast radius

Credential storage: Lessie API key in env var; Gmail/Outlook via OAuth if you use send-email
Data egress: Queries go to Lessie's API. Email sending goes via your provider.

Troubleshooting

Common errors and fixes

Wrong trigger keywords — enrichment runs before filtering narrows the list

Explicitly: 'first find-people, then I'll pick who to enrich'.

Alternatives

lessie-skill vs others

AlternativeWhen to use it insteadTradeoff
Apollo.io / ClayYou want a full GTM suite with sequencing toolsMuch heavier platforms; pricier
LinkedIn Sales NavigatorLinkedIn-native prospecting with InMailExpensive, no agent integration

More

Resources

📖 Read the official README on GitHub

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