155 pages for mermaid.

Architecture Model Context Protocol · in the page specification/2025-11-25/architecture/index …ing coordination between clients and servers. ## Core Components ```mermaid theme={null} graph LR subgraph "Application Host Process" H[Host] C1[Client 1] C2[Client 2]… Authorization Model Context Protocol · in the page specification/2025-11-25/basic/authorization …Sequence Diagram The following diagram outlines an example flow: ```mermaid theme={null} sequenceDiagram participant C as Client participant M as MCP Server (Resource Server) participant… Lifecycle Model Context Protocol · in the page specification/2025-11-25/basic/lifecycle …unication 3. **Shutdown**: Graceful termination of the connection ```mermaid theme={null} sequenceDiagram participant Client participant Server Note over Client,Server: Initialization Ph… Transports Model Context Protocol · in the page specification/2025-11-25/basic/transports …ything to the server's `stdin` that is not a valid MCP message. ```mermaid theme={null} sequenceDiagram participant Client participant Server Process Client->>+Server Process: Launch s… Cancellation Model Context Protocol · in the page specification/2025-11-25/basic/utilities/cancellation …. Both parties **MUST** handle these race conditions gracefully: ```mermaid theme={null} sequenceDiagram participant Client participant Server Client->>Server: Request (ID: 123) Note ov… Ping Model Context Protocol · in the page specification/2025-11-25/basic/utilities/ping …onnection * Attempt reconnection procedures ## Usage Patterns ```mermaid theme={null} sequenceDiagram participant Sender participant Receiver Sender->>Receiver: ping request Rece… Progress Model Context Protocol · in the page specification/2025-11-25/basic/utilities/progress …reaches a terminal status (`completed`, `failed`, or `cancelled`) ```mermaid theme={null} sequenceDiagram participant Sender participant Receiver Note over Sender,Receiver: Request with… Tasks Model Context Protocol · in the page specification/2025-11-25/basic/utilities/tasks …** transition to any other status **Task Status State Diagram:** ```mermaid theme={null} stateDiagram-v2 [*] --> working working --> input_required working --> terminal input_requi… Elicitation Model Context Protocol · in the page specification/2025-11-25/client/elicitation …} ] } } } ``` ## Message Flow ### Form Mode Flow ```mermaid theme={null} sequenceDiagram participant User participant Client participant Server Note over Server: Ser… Roots Model Context Protocol · in the page specification/2025-11-25/client/roots …ethod": "notifications/roots/list_changed" } ``` ## Message Flow ```mermaid theme={null} sequenceDiagram participant Server participant Client Note over Server,Client: Discovery Ser… Sampling Model Context Protocol · in the page specification/2025-11-25/client/sampling …flow of sampling with tools, including the multi-turn tool loop: ```mermaid theme={null} sequenceDiagram participant Server participant Client participant User participant LLM N… Prompts Model Context Protocol · in the page specification/2025-11-25/server/prompts …hod": "notifications/prompts/list_changed" } ``` ## Message Flow ```mermaid theme={null} sequenceDiagram participant Client participant Server Note over Client,Server: Discovery Cli… Resources Model Context Protocol · in the page specification/2025-11-25/server/resources …"uri": "file:///project/src/main.rs" } } ``` ## Message Flow ```mermaid theme={null} sequenceDiagram participant Client participant Server Note over Client,Server: Resource Discover… Tools Model Context Protocol · in the page specification/2025-11-25/server/tools …ethod": "notifications/tools/list_changed" } ``` ## Message Flow ```mermaid theme={null} sequenceDiagram participant LLM participant Client participant Server Note over Client,Serve… Completion Model Context Protocol · in the page specification/2025-11-25/server/utilities/completion …* Boolean indicating if additional results exist ## Message Flow ```mermaid theme={null} sequenceDiagram participant Client participant Server Note over Client: User types argument… Logging Model Context Protocol · in the page specification/2025-11-25/server/utilities/logging …t", "port": 5432 } } } } ``` ## Message Flow ```mermaid theme={null} sequenceDiagram participant Client participant Server Note over Client,Server: Configure Logging… Pagination Model Context Protocol · in the page specification/2025-11-25/server/utilities/pagination …{ "cursor": "eyJwYWdlIjogMn0=" } } ``` ## Pagination Flow ```mermaid theme={null} sequenceDiagram participant Client participant Server Client->>Server: List Request (no cursor)… Architecture Model Context Protocol · in the page specification/2026-07-28/architecture/index …ing coordination between clients and servers. ## Core Components ```mermaid theme={null} graph LR subgraph "Application Host Process" H[Host] C1[Client 1] C2[Client 2]… Authorization Server Discovery Model Context Protocol · in the page specification/2026-07-28/basic/authorization/authorization-server-discovery …Sequence Diagram The following diagram outlines an example flow: ```mermaid theme={null} sequenceDiagram participant C as Client participant M as MCP Server (Resource Server) participant… Client Registration Model Context Protocol · in the page specification/2026-07-28/basic/authorization/client-registration …trates the complete flow when using Client ID Metadata Documents: ```mermaid theme={null} sequenceDiagram participant User participant Client as MCP Client participant Server as Authoriza… Authorization Model Context Protocol · in the page specification/2026-07-28/basic/authorization/index …ration.md). The complete Authorization flow proceeds as follows: ```mermaid theme={null} sequenceDiagram participant B as User-Agent (Browser) participant C as Client participant M as MC… Cancellation Model Context Protocol · in the page specification/2026-07-28/basic/patterns/cancellation …. Both parties **MUST** handle these race conditions gracefully: ```mermaid theme={null} sequenceDiagram participant Client participant Server Client->>Server: Request (ID: 123) Note ov… Overview Model Context Protocol · in the page specification/2026-07-28/basic/patterns/index …ns/message`](/specification/2026-07-28/server/utilities/logging). ```mermaid theme={null} sequenceDiagram participant Client participant Server Client->>Server: request Server-->>Cli… Multi Round-Trip Requests Model Context Protocol · in the page specification/2026-07-28/basic/patterns/mrtr …on to complete the operation, and responds with the final result. ```mermaid theme={null} sequenceDiagram participant C as Client participant S as Server C->>S: client request (id: 1, req… Progress Model Context Protocol · in the page specification/2026-07-28/basic/patterns/progress …quency they deem appropriate * Omit the total value if unknown ```mermaid theme={null} sequenceDiagram participant Client participant Server Note over Client,Server: Request with prog… Streamable HTTP Model Context Protocol · in the page specification/2026-07-28/basic/transports/streamable-http …st whether to respond with a single JSON object or an SSE stream: ```mermaid theme={null} sequenceDiagram participant Client participant Server note over Client,Server: Simple response… Versioning and Compatibility Model Context Protocol · in the page specification/2026-07-28/basic/versioning …on, and the server accepts or rejects each request independently: ```mermaid theme={null} sequenceDiagram participant Client participant Server Client->>Server: request (with `_meta`)… Elicitation Model Context Protocol · in the page specification/2026-07-28/client/elicitation …nteracting with the client). ## Message Flow ### Form Mode Flow ```mermaid theme={null} sequenceDiagram participant User participant Client participant Server Client->>Server: tool… Roots Model Context Protocol · in the page specification/2026-07-28/client/roots …ect", "name": "My Project" } ] } ``` ## Message Flow ```mermaid theme={null} sequenceDiagram participant Server participant Client Note over Server,Client: Initial Request… Sampling Model Context Protocol · in the page specification/2026-07-28/client/sampling …flow of sampling with tools, including the multi-turn tool loop: ```mermaid theme={null} sequenceDiagram participant Server participant Client participant User participant LLM C… Prompts Model Context Protocol · in the page specification/2026-07-28/server/prompts …hod": "notifications/prompts/list_changed" } ``` ## Message Flow ```mermaid theme={null} sequenceDiagram participant Client participant Server Note over Client,Server: Discovery Cli… Resources Model Context Protocol · in the page specification/2026-07-28/server/resources …ation/2026-07-28/basic/patterns/subscriptions.md ## Message Flow ```mermaid theme={null} sequenceDiagram participant Client participant Server Note over Client,Server: Resource Discover… Tools Model Context Protocol · in the page specification/2026-07-28/server/tools …ethod": "notifications/tools/list_changed" } ``` ## Message Flow ```mermaid theme={null} sequenceDiagram participant LLM participant Client participant Server Note over Client,Serve… Caching Model Context Protocol · in the page specification/2026-07-28/server/utilities/caching …he cached response and it should be considered immediately stale. ```mermaid theme={null} sequenceDiagram participant Client participant Server Client->>Server: tools/list Server-->>… Completion Model Context Protocol · in the page specification/2026-07-28/server/utilities/completion …* Boolean indicating if additional results exist ## Message Flow ```mermaid theme={null} sequenceDiagram participant Client participant Server Note over Client: User types argument… Pagination Model Context Protocol · in the page specification/2026-07-28/server/utilities/pagination …{ "cursor": "eyJwYWdlIjogMn0=" } } ``` ## Pagination Flow ```mermaid theme={null} sequenceDiagram participant Client participant Server Client->>Server: List Request (no cursor)… Architecture Model Context Protocol · in the page specification/draft/architecture/index …ing coordination between clients and servers. ## Core Components ```mermaid theme={null} graph LR subgraph "Application Host Process" H[Host] C1[Client 1] C2[Client 2]… Authorization Server Discovery Model Context Protocol · in the page specification/draft/basic/authorization/authorization-server-discovery …Sequence Diagram The following diagram outlines an example flow: ```mermaid theme={null} sequenceDiagram participant C as Client participant M as MCP Server (Resource Server) participant… Client Registration Model Context Protocol · in the page specification/draft/basic/authorization/client-registration …trates the complete flow when using Client ID Metadata Documents: ```mermaid theme={null} sequenceDiagram participant User participant Client as MCP Client participant Server as Authoriza… Authorization Model Context Protocol · in the page specification/draft/basic/authorization/index …ration.md). The complete Authorization flow proceeds as follows: ```mermaid theme={null} sequenceDiagram participant B as User-Agent (Browser) participant C as Client participant M as MC… Cancellation Model Context Protocol · in the page specification/draft/basic/patterns/cancellation …. Both parties **MUST** handle these race conditions gracefully: ```mermaid theme={null} sequenceDiagram participant Client participant Server Client->>Server: Request (ID: 123) Note ov… Overview Model Context Protocol · in the page specification/draft/basic/patterns/index …cations/message`](/specification/draft/server/utilities/logging). ```mermaid theme={null} sequenceDiagram participant Client participant Server Client->>Server: request Server-->>Cli… Multi Round-Trip Requests Model Context Protocol · in the page specification/draft/basic/patterns/mrtr …on to complete the operation, and responds with the final result. ```mermaid theme={null} sequenceDiagram participant C as Client participant S as Server C->>S: client request (id: 1, req… Progress Model Context Protocol · in the page specification/draft/basic/patterns/progress …quency they deem appropriate * Omit the total value if unknown ```mermaid theme={null} sequenceDiagram participant Client participant Server Note over Client,Server: Request with prog… Streamable HTTP Model Context Protocol · in the page specification/draft/basic/transports/streamable-http …st whether to respond with a single JSON object or an SSE stream: ```mermaid theme={null} sequenceDiagram participant Client participant Server note over Client,Server: Simple response… Versioning and Compatibility Model Context Protocol · in the page specification/draft/basic/versioning …on, and the server accepts or rejects each request independently: ```mermaid theme={null} sequenceDiagram participant Client participant Server Client->>Server: request (with `_meta`)… Elicitation Model Context Protocol · in the page specification/draft/client/elicitation …nteracting with the client). ## Message Flow ### Form Mode Flow ```mermaid theme={null} sequenceDiagram participant User participant Client participant Server Client->>Server: tool… Roots Model Context Protocol · in the page specification/draft/client/roots …ect", "name": "My Project" } ] } ``` ## Message Flow ```mermaid theme={null} sequenceDiagram participant Server participant Client Note over Server,Client: Initial Request… Sampling Model Context Protocol · in the page specification/draft/client/sampling …flow of sampling with tools, including the multi-turn tool loop: ```mermaid theme={null} sequenceDiagram participant Server participant Client participant User participant LLM C… Prompts Model Context Protocol · in the page specification/draft/server/prompts …hod": "notifications/prompts/list_changed" } ``` ## Message Flow ```mermaid theme={null} sequenceDiagram participant Client participant Server Note over Client,Server: Discovery Cli…