Agent skill

Assemblyai Local Dev Loop

by jeremylongshore in jeremylongshore/tons-of-skills-marketplace

Build an AssemblyAI local loop with synthetic fixtures, recorded contracts, and an optional bounded live lane.

MITAuto-check passed

Install Assemblyai Local Dev Loop

skills CLI
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill assemblyai-local-dev-loop -a claude-code

Project install by default; add -g for ~/.claude/skills/.

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace assemblyai-local-dev-loop --agent claude-code

Project scope by default; add --scope user for a personal install. Needs GitHub CLI 2.90.0 or later (public preview).

Manual copy
$ git clone --depth 1 https://github.com/jeremylongshore/tons-of-skills-marketplace.git skills-src && mkdir -p .claude/skills && cp -r skills-src/skills/.curated/assemblyai-local-dev-loop .claude/skills/assemblyai-local-dev-loop && rm -rf skills-src

Use ~/.claude/skills/ instead of .claude/skills for a personal install. The folder must contain SKILL.md.

Claude Code skills documentation · loads skills from .claude/skills/

Facts

Skill name
assemblyai-local-dev-loop
GitHub stars
2.8k
Token cost
~1.1k tokens
SKILL.md length
473 words
Files
2 (incl. references)
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Build an AssemblyAI local loop with synthetic fixtures, recorded contracts, and an optional bounded live lane.

  • Works in 6 steps: Map the adapter surfaces actually used. → Create synthetic audio and content-free… → Inject a fake clock, deterministic… → …
  • Developing without exposing audio
  • SKILL.md covers Overview, Prerequisites, Current Contract and Authentication, plus 8 more sections
  • Needs ASSEMBLYAI_API_KEY

What it does

Assemblyai Local Dev Loop is an agent skill from jeremylongshore/tons-of-skills-marketplace. Build an AssemblyAI local loop with synthetic fixtures, recorded contracts, and an optional bounded live lane. Use when developing without exposing audio or uncontrolled credits. Trigger with "AssemblyAI local dev" or "mock AssemblyAI".

Its SKILL.md is about 1.1k tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/official-docs.md`). Compatibility notes: Designed for Claude Code; live AssemblyAI work requires network access

The repository describes itself as: Model-agnostic agent-skills platform with a harness-free canonical layer, verified adapters, and the ccpi package manager. Explore at tonsofskills.com. The licence is MIT.

When your agent uses it

  • Developing without exposing audio
  • Uncontrolled credits
  • With AssemblyAI local dev
  • Mock AssemblyAI

Example prompts

  • “AssemblyAI local dev”
  • “mock AssemblyAI”
  • “/assemblyai-local-dev-loop”

Requirements

  • A credential in ASSEMBLYAI_API_KEY
  • Compatibility (from SKILL.md): Designed for Claude Code; live AssemblyAI work requires network access
  • Pre-approved tools (allowed-tools): Read, Glob, Grep, Write, Edit

Workflow steps

6 steps, taken from the first numbered list in SKILL.md.

  1. Map the adapter surfaces actually used.
  2. Create synthetic audio and content-free response fixtures.
  3. Inject a fake clock, deterministic jitter, and bounded queues.
  4. Cover delayed polling, 429, duplicates, malformed events, and disconnects.
  5. Protect live tests behind a separate flag and secret context.
  6. Review recorded-contract diffs against current first-party schemas.

What it can do on your machine

Read from SKILL.md and the folder at commit cfae287. It shows what the files ask for, not the result of running them.

  • Tool permissions

    Pre-approves these tools, so the agent can use them without asking each time:

    • Read
    • Glob
    • Grep
    • Write
    • Edit

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md.

    From the folder's file list and the shell code blocks in SKILL.md.

  • Network

    No URLs in SKILL.md.

    From URLs in SKILL.md, links to its own repository left out.

  • Credentials

    Names these keys or tokens, usually read from environment variables:

    • ASSEMBLYAI_API_KEY

    From names ending in _API_KEY, _TOKEN, _SECRET, _KEY or _PASSWORD in SKILL.md.

  • Compatibility

    Designed for Claude Code; live AssemblyAI work requires network access

    From compatibility in the SKILL.md frontmatter.

Context cost

Assemblyai Local Dev Loop loads about 1.1k tokens when it runs, and up to ~1.4k if it reads all its reference files. Until then it costs about 66 tokens; SKILL.md has 473 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~66
When it runs · the whole SKILL.md, loaded when a task matches
~1.1k
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.4k

Estimates: characters ÷ 4, the usual rule of thumb; real counts depend on the model's tokenizer. Scripts and assets cost tokens only if the agent reads them.

Safety

Auto-check passed

The automated check found no risky patterns in SKILL.md.

Automated static check — not a guarantee. Review scripts before installing. It scans the text of SKILL.md for risky patterns (piping downloads into a shell, reading credential files, hidden Unicode, destructive commands); files beside SKILL.md are not scanned.

SKILL.md

The full file from jeremylongshore/tons-of-skills-marketplace at commit cfae287, republished under its MIT licence (© jeremylongshore). 473 words, ~1,054 tokens.

Download SKILL.mdSave it as .claude/skills/assemblyai-local-dev-loop/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
assemblyai-local-dev-loop
description
Build an AssemblyAI local loop with synthetic fixtures, recorded contracts, and an optional bounded live lane. Use when developing without exposing audio or uncontrolled credits. Trigger with "AssemblyAI local dev" or "mock AssemblyAI".
allowed-tools
Read, Glob, Grep, Write, Edit
compatibility
Designed for Claude Code; live AssemblyAI work requires network access
argument-hint
<repository-path> <workflow>
version
1.12.0
license
MIT
author
Jeremy Longshore <jeremy@intentsolutions.io>
tags
saas, assemblyai
model
inherit
effort
high

AssemblyAI Deterministic Local Development

Overview

Build an AssemblyAI local loop with synthetic fixtures, recorded contracts, and an optional bounded live lane. Treat live audio, transcript content, credentials, spend, and destructive state as separately governed boundaries.

Prerequisites

  • The target repository or integration path and the requested operator outcome.
  • The AssemblyAI project, environment, region, data classification, and accountable owner.
  • Current first-party documentation plus credentials only for a narrowly approved live check.

Current Contract

Ordinary development stays offline. Fixtures model REST job states, Streaming v3 messages, both webhook families, LLM Gateway outputs, throttling, duplicates, and termination. A public tunnel and live API call are explicit exposure and cost boundaries.

Authentication

For live work, inject ASSEMBLYAI_API_KEY from an approved secret manager and send the raw value only in the AssemblyAI Authorization header to the configured first-party host. Never print, commit, place in a URL, or expose it to an untrusted client. Callback secrets and temporary streaming tokens are separate credentials.

Instructions

  1. Map the adapter surfaces actually used.
  2. Create synthetic audio and content-free response fixtures.
  3. Inject a fake clock, deterministic jitter, and bounded queues.
  4. Cover delayed polling, 429, duplicates, malformed events, and disconnects.
  5. Protect live tests behind a separate flag and secret context.
  6. Review recorded-contract diffs against current first-party schemas.

Tool Discipline

Use Read, Glob, and Grep to inspect repository code, configuration, fixtures, and evidence. Use Write and Edit only for approved implementation or documentation changes. Do not call AssemblyAI, upload audio, open a streaming session, mint a token, replay a callback, deploy, rotate a key, or delete a transcript merely because this skill was invoked.

Show full SKILL.md (206 more words)Show less

Approval Boundaries

Require an accountable owner before live audio processing, production credential or endpoint changes, paid model or capacity changes, content retention, callback replay, deployment, or deletion. Read-only repository inspection and synthetic offline validation do not authorize live vendor actions.

Failure Modes

  • A default test that needs a live key is not deterministic.
  • Real transcript text does not belong in golden fixtures.
  • A tunnel must be authenticated, disposable, and explicitly approved.

Output

Return the operation scope, environment, region, contract surface, authorization class, model and feature decisions, deterministic validation results, content-free identifiers, risks, cleanup or rollback state, and a concise pass/fail receipt. Exclude credentials, signed URLs, audio, transcript text, prompts, and customer-derived content.

Example

  • Start with the named environment, approved regional host, synthetic fixture identity, and bounded operation budget.
  • Finish with safe IDs, contract and assertion counts, terminal state, cleanup status, and the decision owner; never reproduce speech content.

Validation

Rerun the smallest relevant deterministic check, compare actual state with the requested outcome and current first-party contract, verify sensitive fields are absent from evidence, and confirm rollback, termination, or deletion state before reporting success.

References

Review the dated first-party evidence map before relying on any model, parameter, limit, price, region, or lifecycle claim.

© jeremylongshore, MIT. Rendered from Markdown: HTML in the file is shown as text, images as links, and headings moved down two levels. Raw file

Files

SKILL.md and 1 other file (references) in skills/.curated/assemblyai-local-dev-loop of jeremylongshore/tons-of-skills-marketplace.

  • SKILL.md
  • references/official-docs.md

Open the folder on GitHubat commit cfae287

Compare with similar skills

Assemblyai Local Dev Loop next to the 5 skills that share the most tags, products or categories with it. Stars are the repository's; “used in” counts other GitHub owners with a copy.

Assemblyai Local Dev Loop compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Assemblyai Local Dev Loop this skilljeremylongshore/tons-of-skills-marketplace2.8k—~1.1kAutomated safety check: PassMIT
Synthetic Screen Recordingcalesthio/OpenMontage66k—~2.5kAutomated safety check: PassMIT
Recordingcodewhale-hq/Codewhale41k—~540Automated safety check: PassMIT
Contract Firstaffaan-m/ECC277k1 repos~2.4kAutomated safety check: PassMIT
Architecture Decision Recordsaffaan-m/ECC277k4 repos~1.8kAutomated safety check: PassMIT
Architecture Decision Recordsaffaan-m/ECC277k1 repos~863Automated safety check: PassMIT

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Questions about Assemblyai Local Dev Loop

What does Assemblyai Local Dev Loop do?

Build an AssemblyAI local loop with synthetic fixtures, recorded contracts, and an optional bounded live lane. Assemblyai Local Dev Loop is an agent skill from jeremylongshore/tons-of-skills-marketplace. Build an AssemblyAI local loop with synthetic fixtures, recorded contracts, and an optional bounded live lane.

When should I use Assemblyai Local Dev Loop?

Assemblyai Local Dev Loop fits situations like: developing without exposing audio; uncontrolled credits; with AssemblyAI local dev; mock AssemblyAI.

How do I install Assemblyai Local Dev Loop in Claude Code?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill assemblyai-local-dev-loop -a claude-code`. Or copy the skill folder (skills/.curated/assemblyai-local-dev-loop in jeremylongshore/tons-of-skills-marketplace) into .claude/skills/assemblyai-local-dev-loop in your project. Claude Code loads it when a task matches its description.

How do I install Assemblyai Local Dev Loop in Codex?

Run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill assemblyai-local-dev-loop -a codex`. Or copy the skill folder (skills/.curated/assemblyai-local-dev-loop in jeremylongshore/tons-of-skills-marketplace) into .agents/skills/assemblyai-local-dev-loop in your project. Codex loads it when a task matches its description.

Can I use Assemblyai Local Dev Loop in Cursor, Gemini CLI or GitHub Copilot?

Cursor, Gemini CLI, GitHub Copilot and OpenCode also load SKILL.md folders. With the skills CLI, run `npx skills add jeremylongshore/tons-of-skills-marketplace --skill assemblyai-local-dev-loop -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/assemblyai-local-dev-loop, .gemini/skills/assemblyai-local-dev-loop, .github/skills/assemblyai-local-dev-loop and .opencode/skills/assemblyai-local-dev-loop in your project.

What does Assemblyai Local Dev Loop need to run?

Going by SKILL.md and its folder, Assemblyai Local Dev Loop needs credentials named ASSEMBLYAI_API_KEY. Our summary lists: A credential in ASSEMBLYAI_API_KEY. Its frontmatter pre-approves these tools: Read, Glob, Grep, Write, Edit. Compatibility (from SKILL.md): Designed for Claude Code; live AssemblyAI work requires network access.

Does Assemblyai Local Dev Loop access the network?

SKILL.md contains no URLs. Any network use would come from the scripts or tools the agent runs. This is read from the text; nothing was executed.

Is Assemblyai Local Dev Loop safe to install?

Our automated static check of SKILL.md found no risky patterns, such as piping downloads into a shell, reading credential files or hidden Unicode. It is not a guarantee. Review the folder before installing.

What licence does Assemblyai Local Dev Loop use?

Assemblyai Local Dev Loop is published under the MIT licence (declared in SKILL.md). It allows redistribution, so the full SKILL.md is shown on this page.

How many tokens does Assemblyai Local Dev Loop use?

About 1.1k tokens (SKILL.md is roughly 4.2k characters). Agents keep only the skill's name and description in context until a task matches; then they load SKILL.md in full. Its references folder adds about 347 tokens, read only when the agent opens those files.

What are the alternatives to Assemblyai Local Dev Loop?

Skills that share tags, products or a category with Assemblyai Local Dev Loop: Synthetic Screen Recording (calesthio/OpenMontage, 66k stars), Recording (codewhale-hq/Codewhale, 41k stars), Contract First (affaan-m/ECC, 277k stars) and Architecture Decision Records (affaan-m/ECC, 277k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Assemblyai Local Dev Loop?

jeremylongshore (a GitHub user) maintains it in jeremylongshore/tons-of-skills-marketplace, which has 2,827 GitHub stars. The repository holds 3,342 skills in this directory. The repository was last updated on October 10, 2026.

Source: jeremylongshore/tons-of-skills-marketplace on GitHub. Facts on this page come from the repository at the commit we read; the author's words are quoted as theirs.