Claude Code・Codex・Cursorをはじめとするコーディングエージェント向けに、開発ツールカテゴリのおすすめスキル・MCPサーバー・マーケットプレイスを実際のインストール数でランキングしています。bash、zsh、shell scripting、stack tracesなどをカバーします。
13Using Git Worktreesobra/superpowersGuarantee every new feature or implementation task runs inside a clean, isolated workspace without polluting the main branch or current working directory.開発ツールスキル22.9万31.4万
14Sentry Clisentry/devCapture errors, upload source maps, manage releases, and query events directly from the terminal or CI without leaving their workflow.開発ツールスキル18.7万0
15Firebase Crashlyticsfirebase/agent-skills公式Set up Firebase Crashlytics, integrate crash reporting into mobile or web apps, and retrieve crash data for debugging production issues.開発ツールスキル13.8万506
16Investigate FirstJuliusBrussee/cavemanDiagnose ambiguous bugs and performance regressions with evidence before changing code.開発ツールスキル11.9万11.8万
17Fingerprint Failure Triageliarjsdev/liarjs-skillsAttribute each failing liarjs check id to launch config, stealth layer, network path, or machine image.開発ツールスキル11.7万5
18Firecrawl Searchfirecrawl/cli公式Perform web searches that return real results with optional full-page markdown content instead of relying on limited built-in agent search.開発ツールスキル8.5万678
23Herdrherdrdev/herdrControl Herdr terminal multiplexer panes, tabs, workspaces, and coding agents from inside a Herdr session.開発ツールスキル8万4.9万
24Defuddlekepano/obsidian-skillsPull clean, clutter-free markdown from any web article or documentation page before feeding it to an LLM.開発ツールスキル7.6万5.1万
25Agently Mailagent.qq.comExtends skill capabilities for developers.開発ツールスキル7.1万0
26Gws Sharedgoogleworkspace/cliGet consistent authentication, output formatting, and safe API calling patterns when building agents that interact with Google Workspace.開発ツールスキル6.8万3.2万
27Opentuimsmps/opentui-skillGenerate correct, idiomatic OpenTUI code for terminal interfaces using the core, React or Solid reconciler.開発ツールスキル6.5万228
28Insforge CliInsForge/insforge-skills公式Run Insforge CLI commands correctly for auth, project setup, and service operations so agents automate platform tasks from the terminal.開発ツールスキル6.5万47
29Insforge DebugInsForge/insforge-skills公式Diagnose Insforge platform failures, trace error sources, and guide fixes so agents can resolve production issues and broken integrations faster.開発ツールスキル6.1万47
30Firecrawl Parsefirecrawl/cli公式Convert local PDFs, Word docs, spreadsheets and HTML files into clean markdown that downstream agents can reliably read.開発ツールスキル5.1万678
31Git Commitgithub/awesome-copilot公式Generate accurate conventional commit messages and intelligently stage files directly from natural language requests.開発ツールスキル4.8万4.1万
32Agent PulseJane-o-O-o-O/agent-pulse-skillInspect local AI agent sessions, token usage, tool calls, costs, and health across Claude, Cursor, Codex, and other agent logs.開発ツールスキル4.8万1
33Golang Design Patternssamber/cc-skills-golangEnsure Claude, Cursor or Codex consistently outputs idiomatic, production-grade Go constructor patterns and architecture decisions instead of generic or anti-pattern co開発ツールスキル4.4万3814
39Flutter Fix Layout Issuesflutter/agent-plugins公式Diagnose and fix Flutter layout errors like RenderFlex overflow and unbounded height using MCP diagnostics.開発ツールスキル4.2万3163
40Golang Project Layoutsamber/cc-skills-golangInstantly establish a clean, production-ready folder structure and Makefile for any new Go service or CLI tool.開発ツールスキル4.2万3814
54Python Performance Optimizationwshobson/agentsProfile slow Python code, locate bottlenecks, and apply targeted optimizations that reduce latency and memory usage.開発ツールスキル3.7万4.2万
55Clerk Cliclerk/skills公式Run Clerk CLI commands safely in agent and CI harnesses with correct non-interactive mode and sandbox warning interpretation.開発ツールスキル3.6万93
56Resolve Merge Conflictswarpdotdev/common-skillsQuickly understand and resolve Git merge conflicts without losing context or breaking changes.開発ツールスキル2.9万668
59Baoyu Compress ImageJimLiu/baoyu-skillsAutomatically compress images in a project folder using the best available local tools without leaving the terminal.開発ツールスキル2.9万2.7万
60Gws Scriptgoogleworkspace/cliPush, pull, create, and manage Google Apps Script projects directly from the terminal or within an agent workflow.開発ツールスキル2.7万3.2万