Inside The Machine
Agent frameworks
Agent frameworks

Letta

Stateful agents with long-term memory (ex-MemGPT).

Building blocks for your own agents.

—PENDING
Gap ScorePending test on Mac Studio
Where it sits
Catalog entryVerified it exists. Install steps not tested yet.
.md .json
AGENT VIEW · text/markdown · or send Accept: text/markdown
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slug: "letta"
name: "Letta"
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category: "frameworks"
category_label: "Agent frameworks"
stack_layer: "harness"
homepage: "https://docs.letta.com/"
repo: "https://github.com/letta-ai/letta"
license: "Apache-2.0"
stars: 25156
last_push: "2026-09-10"
archived: false
tags: []
seen_in_videos: []
gap_score: null
gap_score_status: "pending test on Mac Studio"
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# Letta

**What:** Stateful agents with long-term memory (ex-MemGPT).

**Why:** Building blocks for your own agents.

**Category:** Agent frameworks · **Stack layer:** harness

## Status

Catalog entry. Existence and repo metadata checked 2026-10-15 via the GitHub API. Install commands below are auto-extracted from the README and have NOT been executed or verified. Read the README before running anything; prefer a sandbox or venv.

## Install (unverified)

1. [any] source: README (auto-extracted); status: unverified, not executed

```bash
npm install -g @letta-ai/letta-code
```

## Verify

No verified check yet. Minimum: the install command exits 0 and the tool's own help/version flag runs (exact flag: see README).

## Rollback (unverified)

1. source: derived inverse of install command

```bash
npm uninstall -g @letta-ai/letta-code
```

## Links

- Homepage: https://docs.letta.com/
- Repo: https://github.com/letta-ai/letta
- README: https://github.com/letta-ai/letta#readme