Agent skill

Retellai Observability

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

Retell AI observability — AI voice agent and phone call automation.

MITAuto-check passedDevOps & Cloud

Install Retellai Observability

skills CLI
$ npx skills add jeremylongshore/tons-of-skills-marketplace --skill retellai-observability -a claude-code

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

GitHub CLI
$ gh skill install jeremylongshore/tons-of-skills-marketplace retellai-observability --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/retellai-observability .claude/skills/retellai-observability && 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
retellai-observability
GitHub stars
2.8k
Token cost
~515 tokens
SKILL.md length
151 words
Files
2 (incl. references)
Skills in repo
3,342
Repo updated
First seen
Licence
MIT

At a glance

Retell AI observability — AI voice agent and phone call automation.

  • Working with Retell AI for voice agents
  • SKILL.md covers Overview, Prerequisites, Instructions and Output, plus 4 more sections
  • Needs RETELL_API_KEY
  • With phrases like retell observability

What it does

Retellai Observability is an agent skill from jeremylongshore/tons-of-skills-marketplace. Retell AI observability — AI voice agent and phone call automation. Use when working with Retell AI for voice agents, phone calls, or telephony. Trigger with phrases like "retell observability", "retellai-observability", "voice agent".

Its SKILL.md is about 520 tokens, which your agent loads only when the skill is triggered. The skill folder holds 2 other files, including reference files (for example `references/monitoring-configs.md`). Compatibility notes: Designed for Claude Code

It sits in DevOps & Cloud, covering Observability and Speech recognition and synthesis. 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

  • Working with Retell AI for voice agents
  • With phrases like retell observability
  • Retellai-observability

Example prompts

  • “retell observability”
  • “retellai-observability”
  • “voice agent”
  • “/retellai-observability”

Requirements

  • A credential in RETELL_API_KEY
  • Compatibility (from SKILL.md): Designed for Claude Code
  • Pre-approved tools (allowed-tools): Read, Write, Edit, Bash(npm:*), Bash(curl:*), Grep

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
    • Write
    • Edit
    • Bash(npm:*)
    • Bash(curl:*)
    • Grep

    From allowed-tools in the SKILL.md frontmatter.

  • Runs code

    No scripts in the folder and no shell commands in SKILL.md (its code samples are typescript).

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

  • Network

    Links to these hosts (documentation or services it may open):

    • docs.retellai.com
    • npmjs.com

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

  • Credentials

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

    • RETELL_API_KEY

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

  • Compatibility

    Designed for Claude Code

    From compatibility in the SKILL.md frontmatter.

Context cost

Retellai Observability loads about 515 tokens when it runs, and up to ~1.2k if it reads all its reference files. Until then it costs about 65 tokens; SKILL.md has 151 words of instructions outside code blocks.

Always · name and description, kept in context so the agent knows when to use it
~65
When it runs · the whole SKILL.md, loaded when a task matches
~515
With references · SKILL.md plus every file in references/, read only if the agent opens them
~1.2k

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). 151 words, ~515 tokens.

Download SKILL.mdSave it as .claude/skills/retellai-observability/SKILL.md (or your agent's skills folder). This skill also uses 1 other file; get the full folder from GitHub.
name
retellai-observability
description
Retell AI observability — AI voice agent and phone call automation. Use when working with Retell AI for voice agents, phone calls, or telephony. Trigger with phrases like "retell observability", "retellai-observability", "voice agent".
allowed-tools
Read, Write, Edit, Bash(npm:*), Bash(curl:*), Grep
compatibility
Designed for Claude Code
version
1.9.0
license
MIT
author
Jeremy Longshore <jeremy@intentsolutions.io>
tags
saas, retellai, voice, telephony, ai-agents

Retell AI Observability

Overview

Implementation patterns for Retell AI observability — voice agent and telephony platform.

Prerequisites

  • Completed retellai-install-auth setup

Instructions

Step 1: SDK Pattern
typescript
import Retell from 'retell-sdk';
const retell = new Retell({ apiKey: process.env.RETELL_API_KEY! });

const agents = await retell.agent.list();
console.log(`Agents: ${agents.length}`);

Output

  • Retell AI integration for observability

Error Handling

ErrorCauseSolution
401 UnauthorizedInvalid API keyCheck RETELL_API_KEY
429 Rate LimitedToo many requestsImplement backoff
400 Bad RequestInvalid parametersCheck API documentation

Examples

Alert on a regression while protecting call content

Emit structured metrics for call completion, transfer outcome, latency, and provider errors using agent version and environment as bounded labels. When an alert fires, link the affected call identifiers to a restricted investigation record instead of attaching transcripts to the dashboard. Compare a synthetic call against the last known-good version, then make one reversible routing or configuration change and watch the same metrics through the defined recovery window.

Resources

Next Steps

See related Retell AI skills for more workflows.

© 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/retellai-observability of jeremylongshore/tons-of-skills-marketplace.

  • SKILL.md
  • references/monitoring-configs.md

Open the folder on GitHubat commit cfae287

Compare with similar skills

Retellai Observability 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.

Retellai Observability compared with similar skills
SkillStarsUsed inTokensAuto-checkLicenceRepo updated
Retellai Observability this skilljeremylongshore/tons-of-skills-marketplace2.8k—~515Automated safety check: PassMIT
Telemetry Integrationrapidaai/voice-ai745—~690Automated safety check: PassCustom licence
Telemetry Integrationrapidaai/voice-ai745—~736Automated safety check: PassCustom licence
Vercel Optimize Auditvercel-labs/agent-skills32k8 repos~4.3kAutomated safety check: PassNone
Kubeshark Installerkubeshark/kubeshark12k—~3.6kAutomated safety check: NotesApache-2.0
Kubeshark KFL2 Filter Referencekubeshark/kubeshark12k—~3.6kAutomated safety check: PassApache-2.0

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Categories

Questions about Retellai Observability

What does Retellai Observability do?

Retell AI observability — AI voice agent and phone call automation. Retellai Observability is an agent skill from jeremylongshore/tons-of-skills-marketplace. Retell AI observability — AI voice agent and phone call automation.

When should I use Retellai Observability?

Retellai Observability fits situations like: working with Retell AI for voice agents; with phrases like retell observability; retellai-observability.

How do I install Retellai Observability in Claude Code?

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

How do I install Retellai Observability in Codex?

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

Can I use Retellai Observability 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 retellai-observability -a cursor` (or -a gemini-cli, github-copilot or opencode for the others). To copy it by hand, put the folder in .cursor/skills/retellai-observability, .gemini/skills/retellai-observability, .github/skills/retellai-observability and .opencode/skills/retellai-observability in your project.

What does Retellai Observability need to run?

Going by SKILL.md and its folder, Retellai Observability needs credentials named RETELL_API_KEY. Our summary lists: A credential in RETELL_API_KEY. Its frontmatter pre-approves these tools: Read, Write, Edit, Bash(npm:*), Bash(curl:*), Grep. Compatibility (from SKILL.md): Designed for Claude Code.

Does Retellai Observability access the network?

SKILL.md names 2 domains. As links in the text: docs.retellai.com and npmjs.com. This is read from the text; nothing was executed.

Is Retellai Observability 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 Retellai Observability use?

Retellai Observability 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 Retellai Observability use?

About 515 tokens (SKILL.md is roughly 2.1k 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 692 tokens, read only when the agent opens those files.

What are the alternatives to Retellai Observability?

Skills that share tags, products or a category with Retellai Observability: Telemetry Integration (rapidaai/voice-ai, 745 stars), Telemetry Integration (rapidaai/voice-ai, 745 stars), Vercel Optimize Audit (vercel-labs/agent-skills, 32k stars) and Kubeshark Installer (kubeshark/kubeshark, 12k stars). The comparison table on this page puts their stars, adoption, token cost, safety result and licence side by side.

Who maintains Retellai Observability?

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.