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harvey

Autonomous cold-email sales agent that runs on your Claude Code or Codex subscription and works conversations toward booked meetings.

Agent by ethanplusai

IndexedMIT★ 2,433
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Setup steps are in the repository. Repository

About

Harvey finds businesses to sell to, writes cold email that references something specific about each one, sends it, reads replies and works conversations toward a meeting. It runs on the user's machine in a loop and calls the Claude Code or Codex CLI, so model use is covered by the user's existing subscription instead of a per-token API key. Drafted emails wait in an outbox for approval, and a local dashboard shows the pipeline.

Use cases: sales-outreach, lead-research, sales-prospecting, email

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Fact sheet

Jobs
sales outreach, lead researchREADME
Autonomy
Autonomous: runs tasks end to end and reports backREADME
Where you use it
Email, WebREADME
Hosting
You run itREADME
Models
anthropic, openaiREADME
Open source
Yes
Billing
Model calls use the user's Claude Pro or Max or ChatGPT plan; a mailbox is paid for separately.README

Facts extracted by Claude Haiku 5.5 from the linked sources on Oct 24, 2026. Wrong fact? Tell us.

Signals

Stars
2,433
Forks
501
Open issues
3
Last commit
Oct 24, 2026 (6 days ago)
Last release
Oct 13, 2026 (17 days ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
Repository
github.com/ethanplusai/harvey
First seen
Oct 24, 2026
Last checked
Oct 24, 2026
Source
READMEgithub-graphql

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harvey. Agent Mart. https://agentmart.dev/agents/harvey-d0099e (last updated 2026-10-24)