# Model Context Protocol The Model Context Protocol (MCP) is an open protocol for connecting AI applications to external tools, resources, and prompts through a standardized client-server boundary. X/XApps and XDO are not MCP implementations. Their modern correspondence is architectural: X supplies named capabilities and host adapters; XDO composes them; a future adapter could expose selected contracts as MCP tools and selected documents or blocks as MCP resources. Related: [[wiki/Tool Contract|Tool Contract]], [[wiki/Resource Addressing|Resource Addressing]], [[wiki/Host Adapter|Host Adapter]], [[projects/X and XApps - Drop the Folder and It Runs|X and XApps]]. Sources: [Model Context Protocol specification](https://modelcontextprotocol.io/specification/draft/index), [Anthropic — Connect to local MCP servers](https://docs.anthropic.com/en/docs/mcp) ## Agentic-AI Context MCP standardizes a connection boundary; it does not supply the complete [[wiki/Agentic AI|agentic system]]. The agent or [[wiki/Agentic Workflow|workflow]] still needs planning, state, identity, permissions, execution policy, approval, verification, and stopping conditions. MCP can expose tools and resources to that system without deciding which objective the agent should pursue or which actions it is authorized to complete. ## Relationships [[wiki/Agentic AI|Agentic AI]] · [[wiki/AI Agent|AI Agent]] · [[wiki/Agentic Workflow|Agentic Workflow]] · [[wiki/Agent Interoperability|Agent Interoperability]] · [[wiki/Approval Architecture|Approval Architecture]] · [[wiki/Tool Contract|Tool Contract]] ## Connected marketplace roles The source article connects this entry with [[wiki/MCP-Connected Research|MCP-Connected Research]]. These routes locate the associated people, implementations, methods, and operational contexts in [[articles/The Coming Market for Civilian Spycraft|The Coming Market for Civilian Spycraft]]. **Collections:** [[collections/The Civilian Intelligence Marketplace|The Civilian Intelligence Marketplace]] · [[collections/Terrorism, Counterterrorism, and the Intelligence Environment|Terrorism, Counterterrorism, and the Intelligence Environment]].