Model Context Protocol (MCP)
An open protocol, introduced by Anthropic in November 2024, that standardises how AI applications connect to external tools and data sources.
- Introduced by
- Anthropic
- Introduced
- 2024-11
- Steward
- Agentic AI Foundation (Linux Foundation)
Connected
- AnthropicAmerican artificial intelligence corporation
- Claude CodeAnthropic's agentic coding tool that reads a codebase, edits files, runs commands and verifies its work from the terminal, IDE or web.
- MCP builder skillAn Anthropic-published Agent Skill for designing and building Model Context Protocol servers.
- Agent2Agent (A2A) protocolAn open protocol, launched by Google in April 2025, for agents from different vendors to discover each other and exchange tasks.
Linked from
- Prompt injectionAn attempt to make an AI system follow instructions embedded in untrusted material such as email, documents or websites instead of the authorized user’s task.
- JSON (.json)A data-interchange format; the usual shape for agent tool calls, structured outputs and configuration such as Claude Code settings.
- AI agents for business automationAgents that take actions across tools, from filing tickets to placing orders.
Field notes that cover Model Context Protocol (MCP)
More agent tooling & protocols
- agent-html-kitAn open-source template kit and Claude Code skill (kit.js) that lets agents emit content-only HTML components while design lives in one shared file, published with a 72-run HTML vs Markdown benchmark.
- CLAUDE.mdA Markdown file of standing instructions that Claude Code loads at the start of every session, at user, project and folder level.
- Karpathy-inspired CLAUDE.md rulesA widely starred public CLAUDE.md with four behaviour rules: think before coding, simplicity first, surgical changes and goal-driven execution.
- AGENTS.mdAn open, tool-neutral Markdown convention for giving coding agents project instructions, introduced by OpenAI in August 2025 and now stewarded by the Linux Foundation's Agentic AI Foundation.
- Claude Code hooksShell commands that Claude Code runs automatically at lifecycle events such as before or after a tool call, so rules can be enforced by code rather than requested in prose.
- Claude Code subagentsSpecialised agents with their own instructions, tools and context window that the main Claude Code session can delegate tasks to.