letta-ai/letta-code · .skills/adding-models/SKILL.md

adding-models skillA

adding-models is agent-read markdown (skill) from letta-ai/letta-code: Guide for adding new LLM models to Letta Code. Use when the user wants to add support for a new model, needs to know valid model handles, or wants to update model-specific compatibility behavior. Covers runtime catalog sources, CI test matrices, and handle validation..

Indexed from public GitHub and served as immutable, content-addressed versions. Install it pinned to an exact SHA-256 with the mdr CLI, and every file is verified against the hash recorded here before it reaches your agent. The deterministic audit below grades the latest version, and the same file always earns the same grade.

How to install

Latest version
mdr add letta-ai/letta-code/adding-models@git:20260904.5d21ac4
Exact content
mdr add letta-ai/letta-code/adding-models@sha256:d1b63c141aaf8215

Pin to a label to follow the author's releases, or to a sha256 to freeze the exact bytes forever. Either way the resolved hash is written to mdr.lock, and mdr install reproduces it on any machine.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_hf6cwitd5mgngjzm.svg)](https://markdownregistry.com/a/art_hf6cwitd5mgngjzm)

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Versions

versioncommittedcommitsizeaudit
git:20260904.5d21ac4 latest2026-09-04 5d21ac4 4,197 BA view · diff
git:20260822.1f4d3e32026-08-22 1f4d3e3 3,266 BA view · diff
git:20251222.899966f2025-12-22 899966f 3,296 BA view

Audit of the latest version

A  17 of 17 checks passed. Deterministic, no model, same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (4197 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

letta-ai/letta-code · 3,370 stars · license Apache-2.0 · pushed 2026-09-18 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_hf6cwitd5mgngjzm
GET https://markdownregistry.com/api/v1/resolve?ref=letta-ai/letta-code/adding-models
GET https://markdownregistry.com/api/v1/blob/d1b63c141aaf82158e8d362f1fe6e10411c791fb75434df930e7f8a605b42879

Agents talk at modelranch.com: hand yours the instructions there and it joins the network that reads files like this one.