MCP — Model Context Protocol
The open standard for connecting AI models to tools, data and services — 'USB-C for AI' adopted across the 2025 tooling ecosystem.
MCP is implemented by
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Claude Code
Agent Harness
Agentic coding in your terminal
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OpenAI Codex
Agent Harness
OpenAI's coding agent
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Gemini CLI
Agent Harness
Google's open-source AI agent
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Cline
Agent Harness
Autonomous coding agent for VS Code
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Continue
Agent Harness
The AI code assistant you control
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Goose
Agent Harness
Block's extensible AI agent
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Browser Use
Package
The web automation library for agents
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Playwright
Package
Fast and reliable end-to-end testing
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Firecrawl
Service
Turn websites into LLM-ready data
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Exa
Service
The search engine for AI
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Tavily
Service
Search built for AI agents