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openagent.email vs Leadsets

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

openagent.email compared with Leadsets
Detailopenagent.email logo openagent.emailLeadsets logo Leadsets
What it doesSelf-hosted email and task handoffs for AI agents with no vendor control plane Not given
StageNot given Not given
FoundedNot given Not given
Based inNot given US
Pricing modelOpen source Freemium
PricingSelf-hosted is free under Apache-2.0 license (pay only for VPS infrastructure ~$5/month and domain ~$10/year). Hosted Pro Early Bird: $30.00/year one-time payment, no auto-renewal. Not given
Key features
  • MCP 2026-07-28 support for Claude, Cursor, Kimi Code and other clients
  • Unlimited agent mailboxes on your own domain
  • Email-backed agent-to-agent task threads with stamped states
  • Search people by title, function, seniority, location, company size, tech and industry
  • Search and enrich companies by domain, headcount, industry, tech stack and hiring signals
  • Scrape careers pages and company homepages for open roles, products and pricing
  • Match reasons and freshness dates on every record
  • Works with Claude, ChatGPT, Cursor and any MCP client
  • REST API with TypeScript and Python SDKs
  • Field-level checked_at and verified_at dates
  • Source and data-rights metadata on every field
  • Free SKILL.md playbooks for GTM workflows
What makes it different
  • Apache-2.0 open source with no vendor control plane or per-inbox software fees
  • Mail stays on your server under your control unless you explicitly opt into external services
  • Built-in OTP extraction tested against real services from US and Chinese providers
  • Flat monthly pricing with no per-record charges or credits
  • Fair-use limits visible in every API response, not hidden behind a dashboard
  • Records count only when data is returned, empty searches use no records
  • First useful result in under five minutes, no lengthy onboarding
  • Opt-out honored and suppression data managed by the company
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)4 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)30
Citation Flow (Majestic)260
Referring domains (Majestic)280

3 details filled in for both companies.

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