vibehacker

Agent Skills

Skills you drop into Claude Code, Claude Desktop, Codex, or Cursor to teach it a job. Sort by trending, rating, or upvotes.

1394 skills

DCF valuations, sensitivity tables, Monte Carlo runs and scenario planning from Anthropic's cookbook skills.

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Compute and explain the key ratios from financial statements: profitability, liquidity, leverage and valuation.

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One-pass migration of model strings and prompts from Sonnet 4.x or Opus 4.1 to Claude Opus 4.5.

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Write Hookify rules: markdown files that watch for patterns in Claude Code and nudge or block with a message.

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Guidance for writing plugin skills that load at the right time: structure, descriptions and progressive disclosure.

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Wire MCP servers into a Claude Code plugin with .mcp.json: stdio, SSE, HTTP and WebSocket setups explained.

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Write Claude Code subagents that actually trigger: frontmatter, descriptions, tool access and system prompts.

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Talk through a system design with your agent: requirements, components, data flow, trade-offs and scaling risks.

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cc-sdd

Skill

gotalab

Spec-driven development skills for Claude Code, Codex, Cursor and more: approved specs in, long autonomous implementation runs out.

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anysearch-ai

Real-time web and vertical search, parallel batch queries and URL extraction for agents, usable without an API key.

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Branches a design problem into parallel framings, scores and prunes the ideas, then deepens the best survivors.

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Jakubantalik

A library of 40+ crafted CSS UI transitions plus skills that teach your agent when and how to use them.

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A Karpathy-style autoresearch loop for any metric: modify, verify, then keep or roll back, iteration after iteration.

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Cole Medin's skill for generating Excalidraw diagrams that make a visual argument, not just boxes and arrows.

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yizhiyanhua-ai

Describe a system in plain English and get a clean SVG diagram, with PNG, offline HTML and animated GIF exports.

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Break budget-vs-actual and period-over-period swings into drivers, with narrative and waterfall-style breakdowns.

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Audit a page or design against WCAG 2.1 AA: contrast, keyboard navigation, touch targets and screen readers.

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anthropics

Turn a vague feature idea into a structured PRD with goals, non-goals, success metrics and acceptance criteria.

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Check a contract clause by clause against your negotiation playbook, flag deviations and draft redlines.

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Descriptive stats, trends, outliers and hypothesis tests, with guardrails on when a statistical claim is shaky.

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Run an incident end to end: severity triage, status updates while it burns, and a blameless postmortem after.

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Solve IMO, Putnam and AIME problems, then attack the proof with a fresh-context adversarial verifier.

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Turn your local Claude Code transcripts into an explorable HTML report of tokens, cache hits, subagents and costly prompts.

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