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@alisio/plugin-memory

v0.4.4

Published

Engram-style persistent memory for Alisio: SQLite FTS5 observations with topic-key upserts, memory-aware compaction, session summaries and recall tools. Built-in, disableable plugin.

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Links

Git

Maintainers

gustavogutierrezgustavogutierrez

Keywords

aicoding-agentllmagent-harnessopenai-compatiblealisio-pluginpluginsmemoryfts5sqlite

Readme

@alisio/plugin-memory

Engram-style persistent memory for Alisio. The model saves decisions, bug fixes and discoveries across sessions, and recalls them with context; compaction and session end turn meetings into structured, searchable memory.

What it is

Shipped as a built-in plugin of the alisio CLI (disable with --disable-plugin memory or builtinPlugins.memory.enabled: false). It depends only on @alisio/sdk and stores data through the SDK storage port — a local SQLite database with FTS5 trigram indexing, BM25 ranking combined with recency; no embeddings and no network. The file lives at <state home>/memory.sqlite with 0600 permissions.

Installation

Preinstalled in the alisio CLI. For an embedded host, register it through createApplication's builtins list (the CLI wires it for you).

Tools

| Tool | Purpose | | --- | --- | | memory_save | Save or upsert an observation | | memory_search | Full-text search; AND by default, match: "any" and all_projects available | | memory_get | Full observation by ID | | memory_context | Recent memory context (summaries, prompts, pinned, recent) | | memory_timeline | Chronological neighbours of a memory within a session | | memory_pin | Pin (or unpin) a memory so it always appears in memory context | | memory_forget | Soft delete; hard: true removes it permanently |

An observation has a title, a type (decision, bugfix, discovery, pattern, architecture, config, preference, learning), a What / Why / Where / Learned body, a project or personal scope and an optional topic_key for upserts. All memory tools use the internal effect: they only touch the memory database, never the workspace, so they stay available under --read-only.

Behaviour

  • Memory-aware compaction — in the same summarizer call, observations are extracted from the discarded span (with upsert/dedup), the checkpoint is archived as the session summary, and relevant memories are injected within a token budget.
  • Session summaries — on /clear, /exit or quitting the TUI, writes a structured Goal/Instructions/Discoveries/Accomplished/Next Steps/Relevant Files summary (option autoSummary, on by default).
  • /memory command — /memory (recent), /memory <query>, and /memory show|forget|pin|unpin <id>; a mem N counter in the TUI status bar.

Configuration

Under builtinPlugins.memory:

| Field | Default | Description | | --- | --- | --- | | enabled | true | Enable the plugin | | dbPath | <state home>/memory.sqlite | Database path; relative paths resolve from the config file | | injectBudgetTokens | 1500 | Token budget (100–20000) for injected memory context | | recallLimit | 8 | Memories recalled after compaction (0–20) | | autoSummary | true | Write a session summary on session end | | defaultScope | project | project or personal |

Docs

Memory plugin · Configuration.

Requirements

Node.js >= 22.16 or Bun >= 1.4.2.

License

MIT. Maintained by Gustavo Gutiérrez Mercado. Source: https://github.com/GustavoGutierrez/alisio · npm: https://www.npmjs.com/settings/alisio/packages.