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hermes-agent/plugins/memory/retaindb/README.md
ethernet 5e4a2a3d24 refactor(pm): remove legacy dependency and launch managers 
Competing installers and checkout-local venv assumptions bypassed PM
selection, install consent, and generation lifetimes. Route consumers
through PM and installation-bound launchers. Refresh source launchers
before obsolete Python entries can be collected.

Remove Node, browser, and CUA acquisition engines, obsolete venv-holder
handling, detached sync, and unused PM APIs. Keep historical updater
exports inert and preserve external tool ownership and native integration.

Share product freshness and prepared inputs across builders. Align plugin
admission, Docker provisioning, setup instructions, and behavioral tests.

Verified targeted Python and JavaScript tests, desktop and web typechecks,
scoped lint, real product builds, and the Docker frontend smoke test.
The missed post-setup test cleanup is included and verified.

Native Windows/macOS execution, full Rust compilation, and the complete
repository suite remain unverified. Historical compatibility requirements
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2026-09-12 14:57:38 -04:00

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RetainDB Memory Provider

Cloud memory API with hybrid search (Vector + BM25 + Reranking) and 7 memory types.

Requirements

  • RetainDB account ($20/month) from retaindb.com
  • requests is part of Hermes's core dependencies; no separate SDK install is needed. For damaged dependencies, use hermes pm repair and restart Hermes.

Setup

hermes memory setup    # select "retaindb"

Or manually:

hermes config set memory.provider retaindb
echo "RETAINDB_API_KEY=your-key" >> ~/.hermes/.env

Config

All config via environment variables in .env:

Env Var Default Description
RETAINDB_API_KEY (required) API key
RETAINDB_BASE_URL https://api.retaindb.com API endpoint
RETAINDB_PROJECT auto (profile-scoped) Project identifier

Tools

Tool Description
retaindb_profile User's stable profile
retaindb_search Semantic search
retaindb_context Task-relevant context
retaindb_remember Store a fact with type + importance
retaindb_forget Delete a memory by ID