fish-audio SKILL.md skillA

fish-audio from vellum-ai/vellum-assistant is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add vellum-ai/vellum-assistant/fish-audio@git:20260615.5cc360c

Pins git:20260615.5cc360c in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
vellum-ai/vellum-assistant
Path
skills/fish-audio/SKILL.md
Versions recorded
5
Latest version
git:20260615.5cc360c, committed Jun 15, 2026
First version recorded
Apr 3, 2026
Size
14,903 bytes
Repository stars
1,467
License
MIT

Generate expressive audio clips using Fish Audio S2 TTS with bracket emotion tags. Record voice memos, narration, audio messages, or any spoken content.

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

# Fish Audio TTS

Generate expressive audio clips using the Fish Audio S2 TTS API with `[bracket]` emotion tags.

## Overview

This skill lets you create audio clips on demand — narration, announcements, podcast intros, dramatic readings, voice memos, or any spoken content. Uses Fish Audio S2 Pro with the full bracket syntax for emotional expressiveness.

## Configuration

- **API Endpoint:** `https://api.fish.audio/v1/tts`
- **Model:** `s2-pro`
- **Voice Reference ID:** Configured via `assistant config get services.tts.providers.fish-audio.referenceId`
- **API Key:** Stored as credential `fish-audio/api_key`
- **Default Format:** `mp3` at 192kbps
- **Default Output Directory:** `scratch/`

## API Key Setup

The Fish Audio API key must be stored securely via the credential store. Get an API key from the Fish Audio dashboard at https://fish.audio.

Check if the key is already configured:

```bash
assistant credentials inspect --service fish-audio --field api_key --json
```

If not set, collect it securely (never ask the user to paste it in chat):

```bash
assistant credentials prompt --service fish-audio --field api_key \
  --label "Fish Audio API Key" \
  --placeholder "sk-..." \
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add vellum-ai/vellum-assistant/fish-audio@sha256:d1034af5d2c0ce79

The line at the top of this page pins the label git:20260615.5cc360c, 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.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_bpyeaq6g47rvkpas.svg)](https://markdownregistry.com/a/art_bpyeaq6g47rvkpas)

3 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 5 versions of this file, between Apr 3, 2026 and Jun 15, 2026, about one every 18 days.

versioncommittedcommitsizeaudit
git:20260615.5cc360c latest2026-06-15 5cc360c 14,903 BA view · diff
git:20260603.ff934d92026-06-03 ff934d9 14,885 BA view · diff
git:20260411.db9318a2026-04-11 db9318a 14,863 BA view · diff
git:20260406.5f1c9042026-04-06 5f1c904 14,904 BA view · diff
git:20260403.4cded4e2026-04-03 4cded4e 14,944 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the 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 (14903 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

vellum-ai/vellum-assistant · 1,467 stars · license MIT · pushed 2026-10-29 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_bpyeaq6g47rvkpas
GET https://markdownregistry.com/api/v1/resolve?ref=vellum-ai/vellum-assistant/fish-audio
GET https://markdownregistry.com/api/v1/blob/d1034af5d2c0ce79957b8b6d81e1316d9b3d7e623d60c968dc77fd179be2e40a

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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Every file in vellum-ai/vellum-assistant

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