Public Engine
Free
Free forever for local open-source Engine use; no Thinkery account required.
- Local gateway
- Sources, search, read modes, local safety rules, cache, memory, receipts, and recovery without a private runtime account
Developer tools · Vendor site 2026-10-04
LeanCTX is a context gateway that sits between AI assistants and the systems they read. It selects relevant evidence, applies supported access and safety controls, records what the integration observed, and offers SDK, Personal Cloud, and Enterprise options for teams that need governed context delivery.
Understand the total cost
Public Engine
Free
Free forever for local open-source Engine use; no Thinkery account required.
Personal Cloud Pro
$9.00 /mo
14-day free trial, then $9 per month or $90 per year; cancel any time before renewal.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.
Yes. lean-ctx has an ongoing free plan. Public Engine tier is $0 and Apache-licensed for local Context Gateway use without a Thinkery account; model and infrastructure costs remain separate.
lean-ctx paid plans start at $9 per month (Personal Cloud Pro $9/mo). Prices are in USD and last checked Oct 4, 2026.
API or developer access is mentioned. LeanCTX SDK and Integrations pages describe building LeanCTX into apps and connecting external tools; Enterprise Engine adds organization controls.