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OpenLTM

Plugin
Claude Code
Hermes
OpenClaw
OpenCode
Pi
Keep useful context between agent sessions with local-first persistent memory.One memory engine with a thin adapter per host, all opening the same local SQLite database, so something learned in one agent session is available in the next.

Images

OpenLTM — Long-Term Memory for AI coding agents, now open source
Cover · View source
Images come from the project README. Images are copied from the public repository under its MIT license and served from this site.

What it does

  • Local SQLite database: no account, dashboard or vendor copy.
  • Embeddings and the janitor model are local by default; cloud providers are opt-in.
  • Adapters for Claude Code, OpenCode, Pi and OpenClaw, plus a native Hermes Python plugin.

Install

Claude Code — OpenLtm marketplace

Host command
Claude Code
Channel version 2.19.0
claude plugin install openltm --marketplace RohiRIK/OpenLtm
Marketplace name OpenLtm, plugin name openltm. This is the project's own marketplace, not Anthropic's official directory. Documented for Claude Code 2.1.275 or later.
InstructionsAs documented by the project, not install-tested here.

Hermes Plugin Catalog

Host command
Hermes
Channel version 2.17.2
hermes plugins install openltm
The catalog installs its reviewed commit pin, not the latest repository tag.
InstructionsAs documented by the project, not install-tested here.

OpenClaw — ClawHub

Host command
OpenClaw
Channel version 2.19.0
openclaw plugins install clawhub:@rohirik/openclaw-ltm --accept-capabilities
--accept-capabilities consents to the plugin registering its memory tools.
InstructionsAs documented by the project, not install-tested here.

OpenCode and Pi — bunx

Host command
OpenCode
Pi
bunx @rohirik/openltm-core --opencode
bunx @rohirik/openltm-core --pi
The README marks the Pi adapter experimental. Add --dry-run to see every write without making one.
InstructionsAs documented by the project, not install-tested here.

Where it is distributed

Each channel is reported separately. Support for an ecosystem does not mean a listing there, and a channel may lag the source.

GitHub Releases

Published
Identity
OpenLtm
Listing
github.com
Channel version
2.19.0
Listed
Evidence
Source record · observed

Claude Code marketplace (self-hosted)

Published
Identity
openltm@OpenLtm
Listing
github.com
Channel version
2.19.0
Listed commit
91f7792
Evidence
Source record · observed
Self-hosted marketplace in the project repository; not Anthropic's official directory.

Hermes Plugin Catalog

Published
Identity
openltm
Listing
hermes-agent.nousresearch.com
Channel version
2.17.2
Listed commit
b8089ea
Listing updated
Evidence
Source record · observed
Catalog installs its pinned commit, which may differ from the latest source tag.

ClawHub

Published
Identity
@rohirik/openclaw-ltm
Listing
clawhub.ai
Channel version
2.19.0
Evidence
Source record · observed
Version read from the public listing page.

Pi Package Catalog

Published
Identity
@rohirik/pi-ltm
Listing
pi.dev
Channel version
2.19.0
Evidence
Source record · observed
Version read from the public listing page.

npm

Published
Identity
@rohirik/openltm-core
Listing
www.npmjs.com
Channel version
2.19.0
Listed
Evidence
Source record · observed

Versions and dates

Latest release
v2.19.0 · released
Source manifest version
2.19.0 in .claude-plugin/plugin.json at the source commit. This is the version the source declares, not a release.
Source last updated
(latest commit on main)
Source commit
91f7792
Project maturity
Not stated by the project
Metadata last checked
Note
The latest source tag is not what every channel installs. Versions are shown per channel.
All times are UTC. Source updates, releases, listing updates and metadata checks are separate events.

Requirements

  • Bun runtime.
  • Optional: a local llama.cpp embeddings server; without it recall uses full-text search.
  • OpenClaw adapter: OpenClaw 2026.9.6 or later, Node 24 and Bun on PATH (documented).

Permissions and access

  • Writes a local memory database and registers hooks, commands and memory tools in the host.
  • The git-clone installer edits ~/.claude.json and ~/.claude/settings.json and adds the memory tools to the permission allow list.
  • Stored memory may not be redacted; the README documents where secret scrubbing does not apply.
Network: Memory text stays local by default. Cloud embedding or janitor providers send data only when you opt in.

Details

Compatibility
Claude Code, Hermes, OpenClaw, OpenCode, Pi (documented)
License
MIT
Links
RepositoryInstallation guideHermes catalog pageIssues
Listings are a reviewed snapshot of public repositories. Compatibility and install steps are as documented by each project and have not been install-tested by this site. Metadata last collected .