Look up one person by email or by public LinkedIn person URL (send exactly one; an email is matched to a LinkedIn profile first). Returns person: name, title, headline, location, company {name, domain}, linkedin, and connections (previously observed public follows) when there are any; person is null when nobody matches. Add find: ["x"] to get their X account, returned only when its name matches and its own bio or link points at their LinkedIn, company domain or company name (x.evidence says which). Add find: ["work_email"] for a work email; check workEmail.matchesCompanyDomain before using it. Add find: ["mobile"] for a verified mobile number (about 10 Energy when one is found). A requested extra that did not come back is listed in missing with a reason (not_found means no confident match, not that it does not exist). Uses workspace Energy; 1 Energy is $0.05; energyUsed is what this call spent. Read energy.peopleDataPricing first; cached lookups are free. Requires Energy enabled. Add leadId (one of your own leads, the same person) with find: ["work_email"] to save the found email on that lead; lead.email says attached, lead_has_email, different_person, email_on_another_lead or no_email. Never overwrites an existing email. Does not create leads or send outreach. Repeated calls can cost Energy; never automatically retry a timeout or error. Use find_people for audience discovery, not this tool.