PluginBench
MCP Server
Maintained
MIT

io.github.tadas-github/a2asearch-mcp MCP Server

io.github.tadas-github/a2asearch-mcp

Search 10,000+ AI agents, MCP servers, and CLI tools instantly from Claude, Cursor, or any MCP client.

What is the io.github.tadas-github/a2asearch-mcp MCP server?

The A2ASearch MCP server is a unified search engine for the AI agent ecosystem, indexing over 10,000 MCP servers, CLI tools, coding agents, and agent skills. It provides keyword search, detailed lookups, and browsing capabilities across the entire directory of AI tools and integrations.

A2ASearch solves the problem of discovering tools in a fragmented ecosystem. Instead of searching GitHub, npm, and multiple registries separately, you get one search interface integrated directly into Claude, Cursor, or any MCP client. No authentication required—search and explore thousands of agents, MCP servers, and CLI tools in seconds.

How to install io.github.tadas-github/a2asearch-mcp

Copy-paste configuration for popular MCP clients.

transport: stdio
Config generated by PluginBench — verify against the source before use.
~/Library/Application Support/Claude/claude_desktop_config.json
{
  "mcpServers": {
    "a2asearch-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "a2asearch-mcp"
      ]
    }
  }
}

Tools & capabilities

Tools this server exposes to the agent.

  • search_agents — Search across the full directory by keyword to find MCP servers, CLI tools, AI agents, and agent skills.
  • get_agent — Retrieve full details for a specific agent including README, capabilities, and star count.
  • list_agents — Browse and list top agents by type and sort order (e.g., top MCP servers by stars, newest AI coding agents).

Use cases

  • Discover MCP servers for specific tasks like database integration or web automation
  • Find the most popular AI coding agents and compare their capabilities
  • Search for agent skills and plugins to extend your AI assistant's functionality
  • Look up CLI tools designed for LLM workflows and automation
  • Browse newly added tools and agents in the ecosystem

io.github.tadas-github/a2asearch-mcp MCP server FAQ

What is A2ASearch?

A2ASearch is a unified search engine indexing 10,000+ AI agents, MCP servers, CLI tools, and agent skills. It lets you search and discover tools directly from Claude, Cursor, or any MCP client without leaving your editor.

Is A2ASearch free?

Yes, A2ASearch is completely free with no authentication or API key required. Both the MCP server and the underlying REST API are free to use.

How do I install it in Claude Desktop?

Add the following to ~/Library/Application Support/Claude/claude_desktop_config.json: {"mcpServers": {"a2asearch": {"command": "npx", "args": ["-y", "a2asearch-mcp"]}}}

How do I install it in Cursor?

Add the same configuration to .cursor/mcp.json in your project root.

What types of tools does A2ASearch index?

A2ASearch indexes MCP servers, CLI tools, AI coding agents, agent skills, A2A protocol agents, and general AI-powered tools.

Can I use A2ASearch without installing the MCP server?

Yes, you can use the CLI directly (npm install -g a2asearch-mcp) or access the free REST API at https://a2asearch.ai/api-docs.

README (reference)

Source of truth, from the repository.

A2ASearch MCP Server

10,752 AI agents, MCP servers, CLI tools and agent skills — searchable in seconds from Claude, Cursor, or any MCP client.

npm version npm downloads License: MIT a2asearch-mcp MCP server

The only unified search engine for the AI agent ecosystem. One package. Every major MCP server, CLI tool, coding agent, and agent skill — indexed and searchable.

npx a2asearch-mcp -- playwright
# → Finds playwright MCP server, CLI tools, related agents

Why A2ASearch?

The MCP/agent ecosystem is exploding. There are now thousands of tools across GitHub, npm, and various registries — and no single place to find them. A2ASearch indexes them all:

What you're looking forA2ASearch has it
MCP servers for Claude/Cursor✅ 2,000+ indexed
CLI tools for LLM workflows✅
AI coding agents (Codex, Claude Code, etc.)✅
Agent skills & plugins✅
A2A protocol agents✅

No auth needed. No API key. Free.


Installation

Claude Desktop

Add to ~/Library/Application Support/Claude/claude_desktop_config.json:

{
  "mcpServers": {
    "a2asearch": {
      "command": "npx",
      "args": ["-y", "a2asearch-mcp"]
    }
  }
}

Cursor

Add to .cursor/mcp.json:

{
  "mcpServers": {
    "a2asearch": {
      "command": "npx",
      "args": ["-y", "a2asearch-mcp"]
    }
  }
}

Windsurf

Add to ~/.codeium/windsurf/mcp_config.json:

{
  "mcpServers": {
    "a2asearch": {
      "command": "npx",
      "args": ["-y", "a2asearch-mcp"]
    }
  }
}

Cline / Continue / OpenClaw

Same format — add to your MCP config file:

{
  "mcpServers": {
    "a2asearch": {
      "command": "npx",
      "args": ["-y", "a2asearch-mcp"]
    }
  }
}

MCP Tools

search_agents

Search across the full directory by keyword.

"Find MCP servers for browser automation"
"Search for AI agents that can do web research"
"Find CLI tools for working with LLMs"

get_agent

Get full details for a specific agent including README, capabilities, stars.

"Get details for playwright"
"Tell me about claude-code"
"Show me the mem0 agent"

list_agents

Browse top agents by type and sort order.

"List the top MCP servers by stars"
"Show me the newest AI coding agents"
"What are the top agent skills?"

Example Prompts

Once installed, ask your AI assistant:

"Search for MCP servers that can help me work with databases"

"What are the most popular AI coding agents right now?"

"Find agent skills for web browsing"

"Is there an MCP server for Notion?"

"Get full details on the ollama agent"


CLI Usage

Don't need the MCP server? Use the CLI directly:

# Install globally
npm install -g a2asearch-mcp

# Search by keyword
a2asearch playwright
a2asearch "web scraping"
a2asearch database

# Filter by type
a2asearch --type mcp database
a2asearch --type skill web-browsing
a2asearch --type cli llm
a2asearch --type agent coding

# Top agents by stars
a2asearch --type mcp --top
a2asearch --type agent --top

# Get full details
a2asearch --get ollama
a2asearch --get playwright

# Newest additions
a2asearch --new

Or without installing:

npx a2asearch-mcp -- playwright
npx a2asearch-mcp -- --type mcp database
npx a2asearch-mcp -- --get ollama

Agent Types

Type--type flagDescription
MCP ServermcpModel Context Protocol servers
CLI ToolcliTerminal tools for LLM workflows
AI Coding AgentagentAutonomous coding agents
Agent SkillskillPlugins and skills for AI assistants
A2A Agenta2aAgent-to-Agent protocol agents
AI TooltoolGeneral AI-powered tools

REST API

The MCP server wraps the free A2ASearch REST API. Use it directly if you prefer:

# Search
curl "https://a2asearch.ai/api/v1/agents?q=playwright"

# Get by slug
curl "https://a2asearch.ai/api/v1/agent/playwright"

# List by type
curl "https://a2asearch.ai/api/v1/agents?type=MCP+Server&sort=stars"

No authentication required.


Submit a Tool

Know a tool that's missing? Submit it →

The index is community-maintained. Submissions are reviewed and added within 24–48 hours.


Links


License

MIT

Related MCP servers

Korean elementary curriculum learning graph for AI—620 achievement standards, 1,956 topics, prerequisite relationships.

11
JavaScript
View repository →

AI-powered management of TagoIO devices, data, dashboards, and analyses from your IDE.

9
TypeScript
View repository →
TATailscale logo

Tailscale

Active

186 tools to drive a Tailscale node and tailnet through CLI and control-plane API.

9
Rust
Apache-2.0
View repository →

Dynamic context loading for AI assistants with TDD workflow and AST analysis

1
TypeScript
GPL-3.0
View repository →

Publish videos to TikTok, Instagram Reels, YouTube Shorts, X, and Facebook through AI agents.

255
JavaScript
MIT
View repository →

MCP cron validator for AI agents; flags impossible schedules and other silent cron bugs.

0
JavaScript
MIT
View repository →