DevTools Prompts
25 devtools prompts for Claude Code and AI agents, ranked by real installs from npm, PyPI and skills.sh. bun-promptx leads with 2.6k installs a month.
#Type
- 1bun-promptxTerminal prompt library for the Bun runtimePromptsSep 2023
- 2lintlanglintlang is a static linter for AI agent configs, tool descriptions, and system prompts that runs zero-LLM quality gating in CI. Catches language-level failures (vague tool descriptions, missing stop conditions, schema gaps) before they reach runtime, with deterministic regex + structural detectors and no model calls.PromptsJul 2026
- 3gpt-cost-estimatorA cost estimator for OpenAI API calls in tqdm loops.PromptsNov 2024
- 4shadowquillappShadowQuill is a privacy‑first, offline and free prompt engineering/generation app powered by self-hosted local LLMsPromptsJul 2026
- 5prompt-patternsPrompt 编写模式：如何将思维框架赋予机器，以设计模式的形式来思考 promptPromptsMar 2023
- 6OpenPipeTurn expensive prompts into cheap fine-tuned modelsPromptsMay 2024
- 7Seo-Promt-Master🔍 Google SEO's full docs as an AI prompt machine — drop it into your AI assistant to map every public route, audit each page against Google's rules, and fix the gaps step by step.PromptsJul 2026
- 8lilypadOpen-source versioning, tracing, and annotation tooling.PromptsJan 2026
- 9tokuinCLI tool – estimates LLM tokens/costs and runs provider-aware load tests for OpenAI, Anthropic, OpenRouter, or custom endpoints.PromptsJul 2026
- 10claude-inspectorClaude Code Prompt Mechanism Visualizer — Electron desktop appPromptsApr 2026
- 11prompt_sailOpen Source LLM proxy that transparently captures and logs all interactions with LLM APIPromptsJun 2025
- 12lxCLI tool for bundling project files as LLM context.PromptsJul 2026
- 13GromptGrompt is a Python utility that uses the Groq LLM provider service to instantly refactor amazingly detailed and effective prompts. It's designed to optimize user prompts for better results when working with large language models.PromptsDec 2024
- 14prompt_builderA macOS tool to build long-context prompts for models like OpenAI o3 and Gemini 2.5.PromptsJun 2025
- 15promptcmdGenAI prompts as runnable programs PromptsApr 2026
- 16libps1An experimental shell prompt library for developersPromptsJun 2020
- 17cue4sCLI prompts in Scala 3, available on JS, JVM, and Native platformsPromptsJun 2026
- 18ctocCount Tokens of Code (forked from gocloc)PromptsAug 2024
- 19musewebMuseWeb is a Prompt Driven AI WebServerPromptsJul 2026
- 20promptmodelCollaborative prompt & model engineering for LLM product teamsPromptsMar 2024
- 21ContrixTurn any LLM into a reliable local JSON API | Contract-first local LLM API builder for structured JSON outputs, model/prompt comparison, schema validation, repair/retry, model switching, and runtime testing.PromptsApr 2026
- 22hypersigilPrompt management gateway with a UI for AI-powered applications. Enables non-technical users to test, refine, and deploy prompts seamlessly across multiple AI providers.PromptsApr 2026
- 23style-alchemy把一批文章样本自动炼化成可复用的写作风格档案，并生成一个按该风格写作的专属 Claude skill。/ A Claude Code skill that distills writing samples into a reusable style profile and forges a dedicated writing skill.PromptsMay 2026
- 24prompt-ops-makerGenerate verification-focused operating prompts for AI agents.PromptsJul 2026
- 25DOMPrompterPixel-precise DOM inspector that turns any element into a ready-to-run AI coding prompt. Works with Claude Code, Cursor, Codex. macOS native, local-first.PromptsApr 2026
