Spark — Your AI toolbox for real work

# Spark by Entire VC > Spark is an open-source marketplace and workflow library for AI-native builders. Curated collection of Claude Skills, AI agents, prompt templates, prompt chains, and MCP (Model Context Protocol) servers — free to download and ready to install in Claude Code, Cursor, Codex, Gemini CLI and other AI tools. ## What is Spark Spark is a free catalog at https://spark.entire.vc that aggregates AI-native workflow assets from open-source repositories and the community. Every asset is reviewed for quality and properly attributed back to its original author. Users can search, download, copy, and install assets directly into their AI coding tools. The MCP server `evc-spark-mcp` lets AI assistants search and install assets programmatically: ``` npx evc-spark-mcp claude mcp add spark -- npx -y evc-spark-mcp ``` ## Asset types - **Claude Skills** (`/skills`) — reusable AI capabilities packaged as `SKILL.md` files. Extend agent functionality with domain-specific knowledge, methodologies, and tool usage patterns. Compatible with Claude Code, Cursor, OpenClaw. - **AI Agents** (`/agents`) — pre-configured autonomous agents for specific tasks. Examples: code reviewers, security auditors, technical writers, SEO specialists. - **Prompt Templates** (`/prompts`) — tested prompts for common AI workflows. Carefully crafted, free, organized by use case. - **Prompt Chains** (`/prompt-chains`) — multi-step prompt sequences for complex workflows. - **MCP Servers** (`/mcps`) — Model Context Protocol server packages that connect Claude/Cursor/etc. to external services (databases, APIs, file systems, third-party tools). - **Bundles** (`/bundles`) — curated collections combining skills, agents, prompts and MCPs for end-to-end workflows. ## Catalog structure - Catalog index: https://spark.entire.vc/catalog - Skills: https://spark.entire.vc/skills (Claude Skills Marketplace) - Agents: https://spark.entire.vc/agents - MCPs: https://spark.entire.vc/mcps - Pro