AgentIndex icon
AgentIndex
ToolsMCP ServersHOTCategoriesTrendingNewBest ListsCompareGuides
Submit Tool
ToolsMCP ServersHOTCategoriesTrendingNewBest ListsCompareGuides
Home/
Browse AI Tool Categories/
Prompt Engineering

Prompt Engineering (2026)

Prompt engineering tools for managing, optimizing, and versioning prompts and system instructions for LLMs.

13 tools

Prompt and context engineering tools help you write, organise and optimise the instructions and context you give AI models and coding agents. They include reusable prompt templates, apps that assemble the right files into a prompt, and MCP servers that manage prompt libraries or reduce token usage through caching and compression.

This is a small category in the directory, and many related tools live under Code Assistant and Memory & Context. When evaluating, check whether templates are versioned and testable, whether the tool works with the agents you already use, and, for token optimisers, whether savings hold up on your real tasks without hurting answer quality.

Representative toolsvibe-coding-prompt-templaterepoprompt-cetoken-optimizer-mcpclaude-prompts-mcp
Cloud Infrastructure
Ad

Deploy on DigitalOcean

Host your MCP servers, Docker containers, and AI agents with $200 free credit over 60 days.

Claim $200 Free Credit
Directory(13 tools)
NameTaglineCategoryStarsLicenseUpdated
© 2026 AgentIndex.app|Built by a 10-year iOS Developer.
Best by use caseAboutContactAdvertisePrivacy PolicyTerms of UseQYSGitHubBuy me a coffee ☕

Browse by Category

MCP ServersCode AssistantWorkflow AutomationRAG / Knowledge BaseMulti-AgentBrowser AutomationLLM InfraDev ToolingObservability

Not affiliated with Anthropic, OpenAI or Microsoft.

prompt-in-context-learning logo
prompt-in-context-learningEssentialTrending
Prompt Engineering ·Awesome resources for in-context learning and prompt engineering: Mastery of the LLMs such as ChatGPT, GPT-3, and FlanT5, with up-to-date and cutting-edge updates.
Awesome resources for in-context learning and prompt engineering: Mastery of the LLMs such as ChatGPT, GPT-3, and FlanT5, with up-to-date and cutting-edge updates. Prompt Engineering★ 2.2kMIT2026-10-27
agency-agents-zh logo
agency-agents-zhMost Popular
Prompt Engineering ·🎭 277 个即插即用的 AI 专家角色 — 支持 Claude Code/Cursor/Copilot 等 20 种工具,覆盖工程/设计/营销/金融等 20 个部门。含 64 个中国市场原创智能体(小红书/抖音/微信/飞书/钉钉/Qt 上位机/机械设计)。搭配编排器 agency-orchestrator,一句话即可让多位专家按 DAG 自动协作。
🎭 277 个即插即用的 AI 专家角色 — 支持 Claude Code/Cursor/Copilot 等 20 种工具,覆盖工程/设计/营销/金融等 20 个部门。含 64 个中国市场原创智能体(小红书/抖音/微信/飞书/钉钉/Qt 上位机/机械设计)。搭配编排器 agency-orchestrator,一句话即可让多位专家按 DAG 自动协作。Prompt Engineering★ 21.6kMIT2026-10-27
DecryptPrompt logo
DecryptPromptTrending
Prompt Engineering ·总结Prompt&LLM论文,开源数据&模型,AIGC应用
总结Prompt&LLM论文,开源数据&模型,AIGC应用Prompt Engineering★ 3.4k—2026-10-26
ai-prompts logo
ai-promptsTrending
Prompt Engineering ·Curated AI Prompts for Cursor Rules, Cline, Windsurf and Github Copilot
Curated AI Prompts for Cursor Rules, Cline, Windsurf and Github CopilotPrompt Engineering★ 1.1kMIT2026-10-17
vibe-coding-prompt-template logo
vibe-coding-prompt-templateTrending
Prompt Engineering ·Templates and workflow for generating PRDs, Tech Designs, and MVP and more using LLMs for AI IDEs
Templates and workflow for generating PRDs, Tech Designs, and MVP and more using LLMs for AI IDEsPrompt Engineering★ 3.2kMIT2026-10-04
vibe-coding-cn logo
vibe-coding-cnMost Popular
Prompt Engineering ·Vibe Coding 非严肃开发的从入门到门入的工具箱
Vibe Coding 非严肃开发的从入门到门入的工具箱Prompt Engineering★ 17.7kMIT2026-10-24
AntOmniEvo logo
AntOmniEvoTrending
Prompt Engineering ·An auto-evolution framework that optimizes anything — your 7×24 team of algorithm engineers.
An auto-evolution framework that optimizes anything — your 7×24 team of algorithm engineers.Prompt Engineering★ 1.2kApache-2.02026-10-20
token-optimizer-mcp logo
token-optimizer-mcpHidden Gem
Prompt Engineering ·Intelligent token optimization for Claude Code - achieving 95%+ token reduction through caching, compression, and smart tool intelligence
Intelligent token optimization for Claude Code - achieving 95%+ token reduction through caching, compression, and smart tool intelligencePrompt Engineering★ 563MIT2026-10-26
repoprompt-ce logo
repoprompt-cemacOSAgent Orchestration
Prompt Engineering ·Community edition of RepoPrompt: a native macOS context engineering app for AI coding agents, with an MCP CLI.
Community edition of RepoPrompt: a native macOS context engineering app for AI coding agents, with an MCP CLI.Prompt Engineering★ 971Apache-2.02026-10-27
claude-prompts-mcp logo
claude-prompts-mcpPrompt EngineeringWorkflow Automation
Prompt Engineering ·MCP server for reusable prompt templates, multi-step workflow chains, and quality gates. Compose agentic workflows with an operator syntax; export as native skills to Claude Code, Cursor, OpenCode, and Gemini CLI.
MCP server for reusable prompt templates, multi-step workflow chains, and quality gates. Compose agentic workflows with an operator syntax; export as native skills to Claude Code, Cursor, OpenCode, and Gemini CLI.Prompt Engineering★ 191MIT2026-10-26
agentdescent logo
agentdescentagent-frameworkagents
Prompt Engineering ·Gradient descent, but the parameters are agents — a parallel, asynchronous framework for self-evolving agents (skills, prompts, harnesses). Diffs are the gradients; the aggregator is the optimizer.
Gradient descent, but the parameters are agents — a parallel, asynchronous framework for self-evolving agents (skills, prompts, harnesses). Diffs are the gradients; the aggregator is the optimizer.Prompt Engineering★ 199MIT2026-10-27
claude-architect logo
claude-architectagent-sdkagentic-ai
Prompt Engineering ·Study materials, code examples, and practice scenarios for Anthropic's Claude Certified Architect: Foundations (CCA-F) certification exam. Covers all five exam domains: agentic architecture, MCP integration, Claude Code workflows, prompt engineering, and context management.
Study materials, code examples, and practice scenarios for Anthropic's Claude Certified Architect: Foundations (CCA-F) certification exam. Covers all five exam domains: agentic architecture, MCP integration, Claude Code workflows, prompt engineering, and context management.Prompt Engineering★ 95MIT2026-09-19
cap-mcp-plugin logo
cap-mcp-pluginCAPMCP
Prompt Engineering ·MCP (Model Context Protocol) server plugin for CAP NodeJS
MCP (Model Context Protocol) server plugin for CAP NodeJSPrompt Engineering★ 61NOASSERTION2026-07-17