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Browse and install thousands of AI Agent skills in the Killer-Skills directory. Supports Claude Code, Windsurf, Cursor, and more.

1510 available skills

claude-api

[ Official ]
Logo of anthropics
anthropics

claude-api is a skill that allows developers to build LLM-powered applications using the Claude API or Anthropic SDK.

105.7k
0
Developer

skill-writer

[ Official ]
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getsentry

Create, synthesize, and iteratively improve agent skills following the Agent Skills specification. Use when asked to create a skill, write a skill, synthesize sources into a skill, improve a skill fro

493
0
Developer

cfe-validate

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Nikolay-Shirokov

cfe-validate is a skill for AI agents that validates 1C:Enterprise 8.3 CFE extensions, checking XML formats, properties, and composition.

148
0
Developer

supabase-postgres-best-practices

[ Official ]
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supabase

Postgres performance optimization and best practices from Supabase. Use this skill when writing, reviewing, or optimizing Postgres queries, schema designs, or database configurations.

1.5k
0
Data

research-lookup

Logo of K-Dense-AI
K-Dense-AI

A general purpose scientific writer

866
0
AI

requirement

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AsiaOstrich

Universal, language-agnostic development standards for software projects. Includes coding standards, git workflows, testing guidelines, documentation structure, and AI collaboration rules.

46
0
Developer

cloudflare

[ Official ]
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cloudflare

Comprehensive Cloudflare platform skill covering Workers, Pages, storage (KV, D1, R2), AI (Workers AI, Vectorize, Agents SDK), networking (Tunnel, Spectrum), security (WAF, DDoS), and infrastructure-as-code (Terraform, Pulumi). Use for any Cloudflare development task. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.

526
0
Developer

web-perf

[ Official ]
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cloudflare

Analyzes web performance using Chrome DevTools MCP. Measures Core Web Vitals (FCP, LCP, TBT, CLS, Speed Index), identifies render-blocking resources, network dependency chains, layout shifts, caching issues, and accessibility gaps. Use when asked to audit, profile, debug, or optimize page load performance, Lighthouse scores, or site speed. Biases towards retrieval from current documentation over pre-trained knowledge.

526
0
Developer

sandbox-sdk

[ Official ]
Logo of cloudflare
cloudflare

Build sandboxed applications for secure code execution. Load when building AI code execution, code interpreters, CI/CD systems, interactive dev environments, or executing untrusted code. Covers Sandbox SDK lifecycle, commands, files, code interpreter, and preview URLs. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.

526
0
Developer

durable-objects

[ Official ]
Logo of cloudflare
cloudflare

Create and review Cloudflare Durable Objects. Use when building stateful coordination (chat rooms, multiplayer games, booking systems), implementing RPC methods, SQLite storage, alarms, WebSockets, or reviewing DO code for best practices. Covers Workers integration, wrangler config, and testing with Vitest. Biases towards retrieval from Cloudflare docs over pre-trained knowledge.

526
0
Developer

building-mcp-server-on-cloudflare

[ Official ]
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cloudflare

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526
0
Developer

workers-best-practices

[ Official ]
Logo of cloudflare
cloudflare

Reviews and authors Cloudflare Workers code against production best practices. Load when writing new Workers, reviewing Worker code, configuring wrangler.jsonc, or checking for common Workers anti-patterns (streaming, floating promises, global state, secrets, bindings, observability). Biases towards retrieval from Cloudflare docs over pre-trained knowledge.

526
0
Developer