Specification changedspecification/2026-07-28/index

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11# Specification

3<div id="enable-section-numbers" />

53[Model Context Protocol](https://modelcontextprotocol.io) (MCP) is an open protocol that

64enables seamless integration between LLM applications and external data sources and

75tools. Whether you're building an AI-powered IDE, enhancing a chat interface, or creating

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125123

126124Explore the detailed specification for each protocol component:

127125

128<CardGroup cols={5}>

129 <Card title="Architecture" icon="sitemap" href="/specification/2026-07-28/architecture" />

126> **[Architecture](/specification/2026-07-28/architecture)**

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131 <Card title="Base Protocol" icon="code" href="/specification/2026-07-28/basic" />

128> **[Base Protocol](/specification/2026-07-28/basic)**

132129

133 <Card title="Server Features" icon="server" href="/specification/2026-07-28/server" />

130> **[Server Features](/specification/2026-07-28/server)**

134131

135 <Card title="Client Features" icon="user" href="/specification/2026-07-28/client" />

132> **[Client Features](/specification/2026-07-28/client)**

136133

137 <Card title="Contributing" icon="pencil" href="/community/contributing" />

138</CardGroup>

134> **[Contributing](/community/contributing)**

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