MCP server
A program exposing resources, prompts, tools, or related capabilities through Model Context Protocol.
What MCP server does not show
Availability through MCP does not make its data trusted or its actions safe.
Where MCP server comes up on this site
- How to check an MCP server is safe before an agent connectsFive steps to check an MCP server before an agent connects .t{font:600 13px system-ui,sans-serif;fill:var(--ink)}.s{font:12px…
- How an AI agent should verify a website before it actsAttach to a tool the domain offers, for example an MCP server .
- MCP servers that ask for a login: what 1,366 request firstAn agent that connects to an MCP server on someone’s behalf usually has to log in, and the login decides what the agent can do afterwards.
- Agent readiness checkers: Is It Agent Ready? vs CrawlCheckIf you run an MCP server, check it the way an agent would before you declare it.
- What is the agentic web? What it means for your websiteIf you run an MCP server, read every tool description aloud as if it were an instruction.
Definitions that name MCP server
MCP client · MCP tool · tool poisoning · tool lockfile
Related terms in Agents and protocols
How autonomous agents plan, remember, call tools and talk to each other, including MCP and A2A, and where each step can go wrong.
OpenSearch description · traceparent · JSON Schema · protected-resource metadata · token audience · PKCE · refresh token · default scope request · tool poisoning · tool lockfile · MCP rug pull · tool shadowing · MCP preflight · agent manifest · stapled verdict · verdict over DNS · agentic web · preflight · decision receipt · receipt header · action assurance · resolve answer · freshness window · AI agent · Agent loop · Planner · Executor · Agent memory · Working memory · Long-term memory · Episodic memory · Semantic memory · Agent orchestration · Multi-agent system · Agent handoff · Delegation · Tool result · Tool schema · Tool description · Tool selection · Tool permission · Human-in-the-loop · Human-on-the-loop · Approval gate · Agent sandbox · Agent identity · Agent authorization · Agent discovery · Capability negotiation · MCP client · MCP host · MCP resource · MCP prompt · MCP tool · MCP transport · JSON-RPC · A2A protocol · A2A client · A2A server · Agent skill · Agent task · Agent artifact · WebMCP · A2A
Questions about MCP server
What is MCP server?
A program exposing resources, prompts, tools, or related capabilities through Model Context Protocol.
What does MCP server not show or guarantee?
Availability through MCP does not make its data trusted or its actions safe.
Which area of the glossary does MCP server belong to?
Agents and protocols: How autonomous agents plan, remember, call tools and talk to each other, including MCP and A2A, and where each step can go wrong.
← Capability negotiation · MCP client →
See it in the full glossary · 772 terms across 19 areas.
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