temporal-serverless

temporal-serverless is a skill for Claude Code, Codex from temporalio/claude-temporal-plugin. It costs 78 tokens per session (7,813 once invoked), scanned C, original, MIT.

A guide for running Temporal Workers on AWS Lambda, a cloud service that runs code when needed instead of keeping a server running continuously. It uses a Worker Controller Instance to start workers, process available tasks, and stop when idle.

In plain words
What is it for?
Use it to create worker code, deployment and connection settings, Lambda packages, and troubleshooting steps for workers that are not receiving tasks.
Why use it?
It addresses the setup and troubleshooting issues that arise when Temporal workers run on short-lived, on-demand cloud compute.

Skill for Claude CodeCodex

Part of the temporal plugin — 4 skills shipped together

Install

Getting it into your agent

One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.

agentmods
npx agentmods add skills/temporalio/claude-temporal-plugin/temporal-serverless
Any agent
npx skills add temporalio/claude-temporal-plugin --skill temporal-serverless
Clone the repo
git clone --depth 1 https://github.com/temporalio/claude-temporal-plugin

Made for: Claude Code, Codex.

Or install temporal, the plugin that ships this one along with the rest of its 4 skills.

Wrote this? Show the measurements

A badge with what this costs and how it scanned, read live from this page, so it follows the numbers instead of freezing them. Markdown for a README, HTML for a documentation site or a project page.

agentmods badge for temporal-serverless

README.md
[![agentmods](https://agentmods.dev/badge/skills/temporalio/claude-temporal-plugin/temporal-serverless.svg)](https://agentmods.dev/skills/temporalio/claude-temporal-plugin/temporal-serverless)
Your own site
<a href="https://agentmods.dev/skills/temporalio/claude-temporal-plugin/temporal-serverless"><img src="https://agentmods.dev/badge/skills/temporalio/claude-temporal-plugin/temporal-serverless.svg" alt="Measured on agentmods" height="20"></a>
Per session 78 Skills are progressive disclosure: only the name and description are preloaded; the body loads when the skill is used.
When invoked 7,813 The whole file, excluding the scripts and references it only reads on demand.
Security scan C 1 finding. Scan, not verified.
Origin original No closer match found in the catalogue.
Token cost

What it costs to keep this loaded

Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.

ModelPer sessionOnce invoked
Fable 5 $0.00078 $0.07813
Opus 5 $0.00039 $0.03907
Sonnet 5 $0.00016 $0.01563
Haiku 4.5 $0.00008 $0.00781

Measured 3d ago against content hash afbb674aa654, method: parsed. Prices are Anthropic first-party input rates as of 2026-08-30, from the pricing page.

Security

Grade C, and why

temporal-serverless scanned grade C with 1 finding against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 3d ago.

A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.

Harvests environment variableshighData exfiltration

Enumerating or grepping the environment for keys collects credentials unrelated to what the mod says it does.

**Classify an authentication failure before acting on it — "not signed in" and "not permitted" have different fixes.** A failed preflight does not automatically mean the bottom row of the table below. An absent or expire
skills/temporal-serverless/SKILL.md · 233 lines

How it starts

The opening of the file, as written. The whole thing — 233 lines — stays where its author put it; the contents beside it link to each section on GitHub.

Skill: temporal-serverless

Overview

This skill helps users deploy and operate Temporal Workers on serverless compute. Instead of a long-lived process, Temporal invokes the Worker on demand through the Worker Controller Instance (WCI); the Worker processes available Tasks and shuts down, scaling to zero when idle. The skill produces Worker code, deployment configuration, connection configs, and packaging steps for the chosen SDK, and walks users through troubleshooting when serverless Workers aren't picking up Tasks.

Supported compute providers

Cloud provider Compute service Support Reference directory
AWS Lambda Supported — Public Preview, open to all Temporal Cloud customers references/aws-lambda/
GCP Cloud Run Not supported

Only a provider marked Supported is covered. If a request names another, say it is not supported and stop; do not adapt a supported provider's material to it. Never let the provider be an unstated assumption: when the request does not name one, it is confirmed in the step 1 questions, not silently defaulted.

Every supported provider's directory carries the same layout — setup.md, iam.md, versioning.md, diagnostics.md, observability.md, self-hosted.md. Paths below are written references/<provider>/…; substitute the directory from the table. Provider-specific commands, templates, permissions, and defaults live there — this file stays at the workflow level. When a step needs concrete commands, go to the reference file named at the end of that step.

Public Preview is not GA. The APIs are still evolving and may change: pin SDK and CLI versions for anything long-lived, and read the installed package's actual API surface rather than writing from memory.

Deployment workflow

Follow these steps in order. Each step is provider-neutral; the concrete commands, templates, and options live in the reference file named at the end of the step.

Open a new deployment with a plain-language summary of the run. Before the step 1 questions, tell the user in a few sentences what is about to happen: that this creates real resources in their cloud account which cost money for as long as they exist; that you will ask about a handful of things, then show an exact list of what you are about to create and wait for approval, and that nothing is created before that approval; that the middle of the run is unattended; and that it ends with a Workflow they can watch execute, an inventory of everything created, and an offer to remove it all. Name the five stages below in ordinary words. Do not explain Temporal or serverless compute; keep it short enough to read at a glance.

Read the full file on GitHub · 233 lines

Changes

What this file has done since we first saw it

Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.

  1. 3d ago First seen · 233 lines · 78 tokens per session scan C afbb674aa654

Subscribe to this mod's changes

temporal-serverless is a skill published in the GitHub repository temporalio/claude-temporal-plugin (26 stars, last pushed 8d ago), licensed MIT. It adds 78 tokens to every session and 7,813 once invoked, about $0.0004 per session on Opus 5. A static security scan graded it C with 1 finding (harvests environment variables). No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.

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