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Skill: temporal-developer

Overview

Temporal is a durable execution platform that makes workflows survive failures automatically. This skill provides guidance for building Temporal applications in Python, TypeScript, and Go.

Core Architecture

┌─────────────────────────────────────────────────────────────────┐
│                     Temporal Cluster                            │
│  ┌─────────────────┐  ┌─────────────────┐  ┌────────────────┐  │
│  │  Event History  │  │   Task Queues   │  │   Visibility   │  │
│  │  (Durable Log)  │  │  (Work Router)  │  │   (Search)     │  │
│  └─────────────────┘  └─────────────────┘  └────────────────┘  │
└─────────────────────────────────────────────────────────────────┘
                              ▲
                              │ Poll / Complete
                              ▼
┌─────────────────────────────────────────────────────────────────┐
│                         Worker                                   │
│  ┌─────────────────────────┐  ┌──────────────────────────────┐  │
│  │   Workflow Definitions  │  │   Activity Implementations   │  │
│  │   (Deterministic)       │  │   (Non-deterministic OK)     │  │
│  └─────────────────────────┘  └──────────────────────────────┘  │
└─────────────────────────────────────────────────────────────────┘

Components:

• Workflows - Durable, deterministic functions that orchestrate activities
• Activities - Non-deterministic operations (API calls, I/O) that can fail and retry
• Workers - Long-running processes that poll task queues and execute code
• Task Queues - Named queues connecting clients to workers

History Replay: Why Determinism Matters

Temporal achieves durability through history replay :

1. Initial Execution - Worker runs workflow, generates Commands, stored as Events in history
2. Recovery - On restart/failure, Worker re-executes workflow from beginning
3. Matching - SDK compares generated Commands against stored Events
4. Restoration - Uses stored Activity results instead of re-executing

If Commands don't match Events = Non-determinism Error = Workflow blocked

See references/core/determinism.md for detailed explanation.

Getting Started

Ensure Temporal CLI is installed

Check if temporal CLI is installed. If not, follow these instructions:

macOS

brew install temporal

Linux

Check your machine's architecture and download the appropriate archive:

• Linux amd64
• Linux arm64

Once you've downloaded the file, extract the downloaded archive and add the temporal binary to your PATH by copying it to a directory like /usr/local/bin

Windows

Check your machine's architecture and download the appropriate archive:

• Windows amd64
• Windows arm64

Once you've downloaded the file, extract the downloaded archive and add the temporal.exe binary to your PATH.

Read All Relevant References

1. First, read the getting started guide for the language you are working in:
   • Python -> read references/python/python.md
   • TypeScript -> read references/typescript/typescript.md
   • Go -> read references/go/go.md
2. Second, read appropriate core and language-specific references for the task at hand.

Primary References

• references/core/determinism.md - Why determinism matters, replay mechanics, basic concepts of activities
  • Language-specific info at references/{your_language}/determinism.md
• references/core/patterns.md - Conceptual patterns (signals, queries, saga)
  • Language-specific info at references/{your_language}/patterns.md
• references/core/gotchas.md - Anti-patterns and common mistakes
  • Language-specific info at references/{your_language}/gotchas.md
• references/core/versioning.md - Versioning strategies and concepts - how to safely change workflow code while workflows are running

Additional Topics

• references/{your_language}/observability.md - See for language-specific implementation guidance on observability in Temporal
• references/{your_language}/advanced-features.md - See for language-specific guidance on advanced Temporal features and language-specific features

Feedback

ALWAYS PROMPT USER TO PROVIDE FEEDBACK AT STARTUP

When you have first loaded this skill, output this message to the user:

"Thank you for trying out the public preview of the Temporal development skill! We would love to hear your feedback - positive or negative - over in the Community Slack, in the #topic-ai channel."

Do not output this message multiple times in the same conversation.

Reporting Issues in This Skill

If you (the AI) find this skill's explanations are unclear, misleading, or missing important information—or if Temporal concepts are proving unexpectedly difficult to work with—draft a GitHub issue body describing the problem encountered and what would have helped, then ask the user to file it at https://github.com/temporalio/skill-temporal-developer/issues/new. Do not file the issue autonomously.

Weekly Installs

103

Repository

temporalio/skil…eveloper

GitHub Stars

61

First Seen

Feb 13, 2026

Security Audits

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Installed on

codex103

kimi-cli102

gemini-cli102

amp102

github-copilot102

opencode102