music-generation SKILL.md skillA
music-generation from letta-ai/letta-code is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add letta-ai/letta-code/music-generation@git:20261018.b4ea962Pins git:20261018.b4ea962 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- letta-ai/letta-code
- Path
src/skills/builtin/music-generation/SKILL.md- Versions recorded
- 1
- Latest version
- git:20261018.b4ea962, committed Oct 18, 2026
- Size
- 8,057 bytes
- Repository stars
- 3,790
- License
- Apache-2.0
Generate music using ElevenLabs Music through Letta. Use when creating instrumental tracks, songs with lyrics, background music, jingles, theme songs, or any AI-generated music composition. Supports prompt-based generation and composition plans for section-by-section control.
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# ElevenLabs Music Generation (via Letta)
Generate music from text prompts: instrumental tracks, songs with lyrics, and fine-grained control via composition plans. Examples use `music_v2_5`, the most advanced ElevenLabs music model and the endpoint's default.
This skill is adapted from ElevenLabs' `music` skill
([elevenlabs/skills](https://github.com/elevenlabs/skills), MIT; see `LICENSE`).
Instead of calling ElevenLabs with your own key, you call Letta's hosted endpoint
`POST /v1/audio/music` (or `POST /v1/audio/music/stream`). It forwards the
request to ElevenLabs with Letta's key and charges the organization's Letta
credits, so you do not need an ElevenLabs API key. The request and response are
the same as ElevenLabs "Compose music": a JSON body with the same field names,
`output_format` as a query parameter, and the audio file as the response body.
## Quick Start
```bash
base_url="${LETTA_BASE_URL%/}"
curl -sS -X POST "$base_url/v1/audio/music/stream?output_format=mp3_48000_192" \
-H "Authorization: Bearer $LETTA_API_KEY" \
-H "Content-Type: application/json" \
…Read the whole file at its exact version.
How to install
mdr add letta-ai/letta-code/music-generation@sha256:e2d13f325fe3add1The line at the top of this page pins the label git:20261018.b4ea962, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_y52joyg4lflqcqvt)
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Versions
The registry has recorded 1 version of this file, committed on Oct 18, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (8057 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
letta-ai/letta-code · 3,790 stars · license Apache-2.0 · pushed 2026-11-06 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_y52joyg4lflqcqvt GET https://markdownregistry.com/api/v1/resolve?ref=letta-ai/letta-code/music-generation GET https://markdownregistry.com/api/v1/blob/e2d13f325fe3add12ce0beeee9dc0fe42cae905aeebcd0a4f965ee79e2ba3ba9
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.
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