741 pages for description.

Understanding MCP servers Model Context Protocol · in the page docs/2025-03-26/learn/server-concepts …efinition:** ```typescript theme={null} { name: "searchFlights", description: "Search for available flights", inputSchema: { type: "object", properties: { origin: { type: "string"… MCP Inspector Model Context Protocol · in the page docs/2025-03-26/tools/inspector …Lists all available resources * Shows resource metadata (MIME types, descriptions) * Allows resource content inspection * Supports subscription testing ### Prompts tab * Displays available prompt t… Understanding Authorization in MCP Model Context Protocol · in the page docs/2025-03-26/tutorials/security/authorization …"add", { title: "Addition Tool", description: "Add two numbers together", inputSchema: { a: z.number().describe("First number to add"),… Security Best Practices Model Context Protocol · in the page docs/2025-03-26/tutorials/security/security_best_practices …/rfc9700). ## Attacks and Mitigations This section gives a detailed description of attacks on MCP implementations, along with potential countermeasures. ### Confused Deputy Problem Attackers can e… Build an MCP client Model Context Protocol · in the page docs/2025-06-18/develop/build-client …available_tools = [{ "name": tool.name, "description": tool.description, "input_schema": tool.inputSchema } for tool in response.tools] # Init… Build an MCP server Model Context Protocol · in the page docs/2025-06-18/develop/build-server …sc", "Unknown")} Severity: {props.get("severity", "Unknown")} Description: {props.get("description", "No description available")} Instructions: {props.get("instruction", "No specific instr… Build with Agent Skills Model Context Protocol · in the page docs/2025-06-18/develop/build-with-agent-skills …## Next steps Once your agent scaffolds the server, iterate on tool descriptions and error handling, then test and ship: <CardGroup cols={2}> <Card title="MCP Inspector" icon="magnifying-glass" h… Client Best Practices Model Context Protocol · in the page docs/2025-06-18/develop/clients/client-best-practices …x). Simple and effective, particularly for descriptive tool names and descriptions. * **Embedding-based**: Vector-similarity retrieval over tool descriptions. Handles synonyms and semantic matching be… Architecture overview Model Context Protocol · in the page docs/2025-06-18/learn/architecture …ator_arithmetic", "title": "Calculator", "description": "Perform mathematical calculations including basic arithmetic, trigonometric functions, and algebraic operations",… Understanding MCP clients Model Context Protocol · in the page docs/2025-06-18/learn/client-concepts …ies: { confirmBooking: { type: "boolean", description: "Confirm the booking (Flights + Hotel = $3,000)" }, seatPreference: { type: "string",… Understanding MCP servers Model Context Protocol · in the page docs/2025-06-18/learn/server-concepts …efinition:** ```typescript theme={null} { name: "searchFlights", description: "Search for available flights", inputSchema: { type: "object", properties: { origin: { type: "string"… MCP Inspector Model Context Protocol · in the page docs/2025-06-18/tools/inspector …Lists all available resources * Shows resource metadata (MIME types, descriptions) * Allows resource content inspection * Supports subscription testing ### Prompts tab * Displays available prompt t… Understanding Authorization in MCP Model Context Protocol · in the page docs/2025-06-18/tutorials/security/authorization …"add", { title: "Addition Tool", description: "Add two numbers together", inputSchema: { a: z.number().describe("First number to add"),… Security Best Practices Model Context Protocol · in the page docs/2025-06-18/tutorials/security/security_best_practices …/rfc9700). ## Attacks and Mitigations This section gives a detailed description of attacks on MCP implementations, along with potential countermeasures. ### Confused Deputy Problem Attackers can e… Build an MCP client Model Context Protocol · in the page docs/2025-11-25/develop/build-client …available_tools = [{ "name": tool.name, "description": tool.description, "input_schema": tool.inputSchema } for tool in response.tools] # Init… Build an MCP server Model Context Protocol · in the page docs/2025-11-25/develop/build-server …sc", "Unknown")} Severity: {props.get("severity", "Unknown")} Description: {props.get("description", "No description available")} Instructions: {props.get("instruction", "No specific instr… Build with Agent Skills Model Context Protocol · in the page docs/2025-11-25/develop/build-with-agent-skills …## Next steps Once your agent scaffolds the server, iterate on tool descriptions and error handling, then test and ship: <CardGroup cols={2}> <Card title="MCP Inspector" icon="magnifying-glass" h… Client Best Practices Model Context Protocol · in the page docs/2025-11-25/develop/clients/client-best-practices …x). Simple and effective, particularly for descriptive tool names and descriptions. * **Embedding-based**: Vector-similarity retrieval over tool descriptions. Handles synonyms and semantic matching be… Architecture overview Model Context Protocol · in the page docs/2025-11-25/learn/architecture …ator_arithmetic", "title": "Calculator", "description": "Perform mathematical calculations including basic arithmetic, trigonometric functions, and algebraic operations",… Understanding MCP clients Model Context Protocol · in the page docs/2025-11-25/learn/client-concepts …ies: { confirmBooking: { type: "boolean", description: "Confirm the booking (Flights + Hotel = $3,000)" }, seatPreference: { type: "string",… Understanding MCP servers Model Context Protocol · in the page docs/2025-11-25/learn/server-concepts …efinition:** ```typescript theme={null} { name: "searchFlights", description: "Search for available flights", inputSchema: { type: "object", properties: { origin: { type: "string"… MCP Inspector Model Context Protocol · in the page docs/2025-11-25/tools/inspector …Lists all available resources * Shows resource metadata (MIME types, descriptions) * Allows resource content inspection * Supports subscription testing ### Prompts tab * Displays available prompt t… Understanding Authorization in MCP Model Context Protocol · in the page docs/2025-11-25/tutorials/security/authorization …"add", { title: "Addition Tool", description: "Add two numbers together", inputSchema: { a: z.number().describe("First number to add"),… Security Best Practices Model Context Protocol · in the page docs/2025-11-25/tutorials/security/security_best_practices …/rfc9700). ## Attacks and Mitigations This section gives a detailed description of attacks on MCP implementations, along with potential countermeasures. ### Confused Deputy Problem Attackers can e… Build an MCP client Model Context Protocol · in the page docs/2026-07-28/develop/build-client …available_tools = [{ "name": tool.name, "description": tool.description, "input_schema": tool.input_schema } for tool in tool_list.tools] # In… Build an MCP server Model Context Protocol · in the page docs/2026-07-28/develop/build-server …sc", "Unknown")} Severity: {props.get("severity", "Unknown")} Description: {props.get("description", "No description available")} Instructions: {props.get("instruction", "No specific instr… Build with Agent Skills Model Context Protocol · in the page docs/2026-07-28/develop/build-with-agent-skills …## Next steps Once your agent scaffolds the server, iterate on tool descriptions and error handling, then test and ship: <CardGroup cols={2}> <Card title="MCP Inspector" icon="magnifying-glass" h… Client Best Practices Model Context Protocol · in the page docs/2026-07-28/develop/clients/client-best-practices …x). Simple and effective, particularly for descriptive tool names and descriptions. * **Embedding-based**: Vector-similarity retrieval over tool descriptions. Handles synonyms and semantic matching be… Architecture overview Model Context Protocol · in the page docs/2026-07-28/learn/architecture …ator_arithmetic", "title": "Calculator", "description": "Perform mathematical calculations including basic arithmetic, trigonometric functions, and algebraic operations",… Understanding MCP clients Model Context Protocol · in the page docs/2026-07-28/learn/client-concepts …ies: { confirmBooking: { type: "boolean", description: "Confirm the booking (Flights + Hotel = $3,000)" }, seatPreference: { type: "string",… Understanding MCP servers Model Context Protocol · in the page docs/2026-07-28/learn/server-concepts …efinition:** ```typescript theme={null} { name: "searchFlights", description: "Search for available flights", inputSchema: { type: "object", properties: { origin: { type: "string"… Web client Model Context Protocol · in the page docs/2026-07-28/tools/inspector/web …-server-settings.png" /> </Frame> ## Tools Select a tool to see its description, its input schema rendered as a form, and its annotations. Fill the form and call it; the result renders below with st… Understanding Authorization in MCP Model Context Protocol · in the page docs/2026-07-28/tutorials/security/authorization …"add", { title: "Addition Tool", description: "Add two numbers together", inputSchema: { a: z.number().describe("First number to add"),… Security Best Practices Model Context Protocol · in the page docs/2026-07-28/tutorials/security/security_best_practices …/rfc9700). ## Attacks and Mitigations This section gives a detailed description of attacks on MCP implementations, along with potential countermeasures. ### Confused Deputy Problem Attackers can e… Build an MCP client Model Context Protocol · in the page docs/draft/develop/build-client …available_tools = [{ "name": tool.name, "description": tool.description, "input_schema": tool.input_schema } for tool in tool_list.tools] # In… Build an MCP server Model Context Protocol · in the page docs/draft/develop/build-server …sc", "Unknown")} Severity: {props.get("severity", "Unknown")} Description: {props.get("description", "No description available")} Instructions: {props.get("instruction", "No specific instr… Build with Agent Skills Model Context Protocol · in the page docs/draft/develop/build-with-agent-skills …## Next steps Once your agent scaffolds the server, iterate on tool descriptions and error handling, then test and ship: <CardGroup cols={2}> <Card title="MCP Inspector" icon="magnifying-glass" h… Client Best Practices Model Context Protocol · in the page docs/draft/develop/clients/client-best-practices …x). Simple and effective, particularly for descriptive tool names and descriptions. * **Embedding-based**: Vector-similarity retrieval over tool descriptions. Handles synonyms and semantic matching be… Architecture overview Model Context Protocol · in the page docs/draft/learn/architecture …ator_arithmetic", "title": "Calculator", "description": "Perform mathematical calculations including basic arithmetic, trigonometric functions, and algebraic operations",… Understanding MCP clients Model Context Protocol · in the page docs/draft/learn/client-concepts …ies: { confirmBooking: { type: "boolean", description: "Confirm the booking (Flights + Hotel = $3,000)" }, seatPreference: { type: "string",… Understanding MCP servers Model Context Protocol · in the page docs/draft/learn/server-concepts …efinition:** ```typescript theme={null} { name: "searchFlights", description: "Search for available flights", inputSchema: { type: "object", properties: { origin: { type: "string"… Web client Model Context Protocol · in the page docs/draft/tools/inspector/web …-server-settings.png" /> </Frame> ## Tools Select a tool to see its description, its input schema rendered as a form, and its annotations. Fill the form and call it; the result renders below with st… Understanding Authorization in MCP Model Context Protocol · in the page docs/draft/tutorials/security/authorization …"add", { title: "Addition Tool", description: "Add two numbers together", inputSchema: { a: z.number().describe("First number to add"),… Security Best Practices Model Context Protocol · in the page docs/draft/tutorials/security/security_best_practices …/rfc9700). ## Attacks and Mitigations This section gives a detailed description of attacks on MCP implementations, along with potential countermeasures. ### Confused Deputy Problem Attackers can e… Build an MCP App Model Context Protocol · in the page extensions/apps/build …gisterAppTool( server, "get-time", { title: "Get Time", description: "Returns the current server time.", inputSchema: {}, _meta: { ui: { resourceUri } }, }, async () => {… MCP Apps Model Context Protocol · in the page extensions/apps/overview …owing tools to declare a reference to an interactive UI in their tool description that the host renders in place. The core pattern combines two MCP primitives: a tool that declares a UI resource in i… Extension Support Matrix Model Context Protocol · in the page extensions/client-matrix …ol/pulls). </Note> ## Extension overview | Extension | Identifier | Description | | - | - | - | | [MCP Apps](/extensions/apps/overview) | `io.modelcontextprotocol/ui` | Interactive HTML interfaces r… Extensions Overview Model Context Protocol · in the page extensions/overview …on mechanisms beyond the core specification. </Card> | Extension | Description | | - | - | | [OAuth Client Credentials](/extensions/auth/oauth-client-credentials) | OAuth 2.0 client credentials flo… Skills Model Context Protocol · in the page extensions/skills/overview …nd user. Skills can be selected by the model based on their names and descriptions, or explicitly by the user. The extension does not mandate a specific user interaction model. Reading `SKILL.md` thr… The MCP Registry Model Context Protocol · in the page registry/about …ons (e.g., command-line args, env vars) * Other discovery data (e.g., description, server capabilities) ## The MCP Registry Ecosystem The MCP Registry is part of an ecosystem that looks something li…