Introduction

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Lore is infrastructure for working with coding-agent threads. It preserves the context behind useful threads, makes those threads searchable, and enables several use cases built on top of this data.

We initially built Lore to share our Claude threads with each other: as contextual links on PRs, snapshotting some research or investigating for someone else to pick up, or just "check out this cool thing I did." Since then, we've run into many other use cases, and built a whole product around this primitive.

Lore is made up of three components:

A plugin for Claude Code, Codex, and Cowork that lets you share and read threads without leaving your session.
A CLI that provides background uploads, advanced workflows like forking, and a scriptable interface to Lore's APIs.
A web service for browsing your threads and managing sharing permissions.

You don't need the CLI to get started — the plugin is the fastest path.

Quickstart

Choose your agent and install the Lore plugin:

Open Customize.
Click +, then choose Create (not Browse).
Click Add marketplace, enter tanagram/lore-plugin, and click Sync.
Under the Personal tab, open the Tanagram marketplace and install the Lore plugin.
Run /lore:share inside a session to get back a shareable URL. The plugin will walk you through signing in on first use.

Inside a live Claude Code session, run /plugins to open the interactive plugins TUI.
Switch to the Marketplaces tab.
Choose Add Marketplace and enter tanagram/lore-plugin.
Install the Lore plugin from the new Tanagram marketplace.
Run /lore:share inside a session to get back a shareable URL. The plugin will walk you through signing in on first use.

Or install from a plain terminal outside a session:

claude plugin marketplace add tanagram/lore-plugin
claude plugin install lore@tanagram

Inside a live Codex session, run /plugins to open the interactive plugins TUI.
Switch to the Marketplaces tab.
Choose Add Marketplace and enter tanagram/lore-plugin.
Install the Lore plugin from the new Tanagram marketplace.
Run /lore:share inside a session to get back a shareable URL. The plugin will walk you through signing in on first use.

Or install from a plain terminal outside a session:

codex plugin marketplace add tanagram/lore-plugin
codex plugin install lore@tanagram

See Using Lore → Setup for screenshots of each step.

Once you're set up, have your teammates join just by signing up — we'll automatically add users with the same email domain to your workspace.

For the full CLI (background uploads, /fork, and more): npm install -g @tanagram/lore

For detailed guides on sharing, reading, forking threads, and managing privacy, see the Using Lore section.

Privacy

Lore threads can be in one of three privacy settings:

private is visible only to you. This is the default for all threads.
workspace is visible to your team (requires someone to be logged in with your same email domain).
public is visible to anyone with the URL.

If you use the CLI's background daemon, you can control which directories it watches with lore listen commands and fine-tune uploads with filter rules. See Privacy and Visibility for details.