741 pages for description.

Lifecycle Model Context Protocol · in the page specification/2025-11-25/basic/lifecycle …tle": "Example Client Display Name", "version": "1.0.0", "description": "An example MCP client application", "icons": [ { "src": "https://example.com/icon.png",… Tasks Model Context Protocol · in the page specification/2025-11-25/basic/utilities/tasks …ich server-side requests can be augmented with tasks. | Capability | Description | | - | - | | `tasks.list` | Server supports the `tasks/list` operation | | `tasks.cancel` | Server supports the `task… Key Changes Model Context Protocol · in the page specification/2025-11-25/changelog …odelcontextprotocol/modelcontextprotocol/pull/670)). 2. Add optional `description` field to `Implementation` interface to align with MCP registry server.json format and provide human-readable context… Elicitation Model Context Protocol · in the page specification/2025-11-25/client/elicitation …**MUST** include the following parameters: | Name | Type | Options | Description | | - | - | - | - | | `mode` | string | `form`, `url` | The mode of the elicitation. Optional for form mode (defaults… Sampling Model Context Protocol · in the page specification/2025-11-25/client/sampling …], "tools": [ { "name": "get_weather", "description": "Get current weather for a city", "inputSchema": { "type": "object", "properties": {… Specification Model Context Protocol · in the page specification/2025-11-25/index …must be treated with appropriate caution. * In particular, descriptions of tool behavior such as annotations should be considered untrusted, unless obtained from a trusted server.… Schema Reference Model Context Protocol · in the page specification/2025-11-25/schema …/></svg></a></div> <div class="tsd-comment tsd-typography"><p>A short description of the error. The message SHOULD be limited to a concise single sentence.</p> </div></section> <section class="tsd-pan… Overview Model Context Protocol · in the page specification/2025-11-25/server/index …mmarized in the following control hierarchy: | Primitive | Control | Description | Example | | - | - | - | - | | Prompts | User-controlled | Interactive templates invoked by user choice | Slash comma… Prompts Model Context Protocol · in the page specification/2025-11-25/server/prompts …ame": "code_review", "title": "Request Code Review", "description": "Asks the LLM to analyze code quality and suggest improvements", "arguments": [ { "nam… Resources Model Context Protocol · in the page specification/2025-11-25/server/resources …rs", "title": "Rust Software Application Main File", "description": "Primary application entry point", "mimeType": "text/x-rust", "icons": [ { "sr… Tools Model Context Protocol · in the page specification/2025-11-25/server/tools …t_weather", "title": "Weather Information Provider", "description": "Get current weather information for a location", "inputSchema": { "type": "object", "pr… Completion Model Context Protocol · in the page specification/2025-11-25/server/utilities/completion …The protocol supports two types of completion references: | Type | Description | Example | | - | - | - | | `ref/prompt` | References a prompt by name | `{"type": "ref/prompt", "name": "code_review"… Logging Model Context Protocol · in the page specification/2025-11-25/server/utilities/logging …ps://datatracker.ietf.org/doc/html/rfc5424#section-6.2.1): | Level | Description | Example Use Case | | - | - | - | | debug | Detailed debugging information | Function entry/exit points | | info | Ge… Authorization Model Context Protocol · in the page specification/2026-07-28/basic/authorization/index …on mismatch the client **MUST NOT** act on or display `error`, `error_description`, or `error_uri`. ## Resource Parameter Implementation MCP clients **MUST** implement Resource Indicators for OAuth… Overview Model Context Protocol · in the page specification/2026-07-28/basic/index …e following `_meta` keys are reserved by this specification: | Key | Description | Defined in | | - | - | - | | `progressToken` | Opts the request into progress notifications | [Progress](/specificat… Subscriptions Model Context Protocol · in the page specification/2026-07-28/basic/patterns/subscriptions …fig.json"] } } } ``` ### Notification Filter | Field | Type | Description | | - | - | - | | `toolsListChanged` | `boolean` | Receive `notifications/tools/list_changed` when tools change | | `p… Streamable HTTP Model Context Protocol · in the page specification/2026-07-28/basic/transports/streamable-http …ool definition:** ```json theme={null} { "name": "execute_sql", "description": "Execute SQL on Google Cloud Spanner", "inputSchema": { "type": "object", "properties": { "region":… Elicitation Model Context Protocol · in the page specification/2026-07-28/client/elicitation …**MUST** include the following parameters: | Name | Type | Options | Description | | - | - | - | - | | `mode` | string | `form`, `url` | The mode of the elicitation. Optional for form mode (defaults… Sampling Model Context Protocol · in the page specification/2026-07-28/client/sampling …], "tools": [ { "name": "get_weather", "description": "Get current weather for a city", "inputSchema": { "type": "object", "properties": {… Specification Model Context Protocol · in the page specification/2026-07-28/index …must be treated with appropriate caution. * In particular, descriptions of tool behavior such as annotations should be considered untrusted, unless obtained from a trusted server.… Schema Reference Model Context Protocol · in the page specification/2026-07-28/schema …/></svg></a></div> <div class="tsd-comment tsd-typography"><p>A short description of the error. The message SHOULD be limited to a concise single sentence.</p> </div></section> <section class="tsd-pan… Overview Model Context Protocol · in the page specification/2026-07-28/server/index …mmarized in the following control hierarchy: | Primitive | Control | Description | Example | | - | - | - | - | | Prompts | User-controlled | Interactive templates invoked by user choice | Slash comma… Prompts Model Context Protocol · in the page specification/2026-07-28/server/prompts …ame": "code_review", "title": "Request Code Review", "description": "Asks the LLM to analyze code quality and suggest improvements", "arguments": [ { "nam… Resources Model Context Protocol · in the page specification/2026-07-28/server/resources …rs", "title": "Rust Software Application Main File", "description": "Primary application entry point", "mimeType": "text/x-rust", "icons": [ { "sr… Tools Model Context Protocol · in the page specification/2026-07-28/server/tools …t_weather", "title": "Weather Information Provider", "description": "Get current weather information for a location", "inputSchema": { "type": "object", "pr… Completion Model Context Protocol · in the page specification/2026-07-28/server/utilities/completion …The protocol supports two types of completion references: | Type | Description | Example | | - | - | - | | `ref/prompt` | References a prompt by name | `{"type": "ref/prompt", "name": "code_review"… Logging Model Context Protocol · in the page specification/2026-07-28/server/utilities/logging …ps://datatracker.ietf.org/doc/html/rfc5424#section-6.2.1): | Level | Description | Example Use Case | | - | - | - | | debug | Detailed debugging information | Function entry/exit points | | info | Ge… Authorization Model Context Protocol · in the page specification/draft/basic/authorization/index …on mismatch the client **MUST NOT** act on or display `error`, `error_description`, or `error_uri`. ## Resource Parameter Implementation MCP clients **MUST** implement Resource Indicators for OAuth… Overview Model Context Protocol · in the page specification/draft/basic/index …e following `_meta` keys are reserved by this specification: | Key | Description | Defined in | | - | - | - | | `progressToken` | Opts the request into progress notifications | [Progress](/specificat… Subscriptions Model Context Protocol · in the page specification/draft/basic/patterns/subscriptions …fig.json"] } } } ``` ### Notification Filter | Field | Type | Description | | - | - | - | | `toolsListChanged` | `boolean` | Receive `notifications/tools/list_changed` when tools change | | `p… Streamable HTTP Model Context Protocol · in the page specification/draft/basic/transports/streamable-http …ool definition:** ```json theme={null} { "name": "execute_sql", "description": "Execute SQL on Google Cloud Spanner", "inputSchema": { "type": "object", "properties": { "region":… Elicitation Model Context Protocol · in the page specification/draft/client/elicitation …**MUST** include the following parameters: | Name | Type | Options | Description | | - | - | - | - | | `mode` | string | `form`, `url` | The mode of the elicitation. Optional for form mode (defaults… Sampling Model Context Protocol · in the page specification/draft/client/sampling …], "tools": [ { "name": "get_weather", "description": "Get current weather for a city", "inputSchema": { "type": "object", "properties": {… Specification Model Context Protocol · in the page specification/draft/index …must be treated with appropriate caution. * In particular, descriptions of tool behavior such as annotations should be considered untrusted, unless obtained from a trusted server.… Schema Reference Model Context Protocol · in the page specification/draft/schema …/></svg></a></div> <div class="tsd-comment tsd-typography"><p>A short description of the error. The message SHOULD be limited to a concise single sentence.</p> </div></section> <section class="tsd-pan… Overview Model Context Protocol · in the page specification/draft/server/index …mmarized in the following control hierarchy: | Primitive | Control | Description | Example | | - | - | - | - | | Prompts | User-controlled | Interactive templates invoked by user choice | Slash comma… Prompts Model Context Protocol · in the page specification/draft/server/prompts …ame": "code_review", "title": "Request Code Review", "description": "Asks the LLM to analyze code quality and suggest improvements", "arguments": [ { "nam… Resources Model Context Protocol · in the page specification/draft/server/resources …rs", "title": "Rust Software Application Main File", "description": "Primary application entry point", "mimeType": "text/x-rust", "icons": [ { "sr… Tools Model Context Protocol · in the page specification/draft/server/tools …t_weather", "title": "Weather Information Provider", "description": "Get current weather information for a location", "inputSchema": { "type": "object", "pr… Completion Model Context Protocol · in the page specification/draft/server/utilities/completion …The protocol supports two types of completion references: | Type | Description | Example | | - | - | - | | `ref/prompt` | References a prompt by name | `{"type": "ref/prompt", "name": "code_review"… Logging Model Context Protocol · in the page specification/draft/server/utilities/logging …ps://datatracker.ietf.org/doc/html/rfc5424#section-6.2.1): | Level | Description | Example Use Case | | - | - | - | | debug | Detailed debugging information | Function entry/exit points | | info | Ge…