1,278 pages for version.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
SSH remote sessions in Claude Desktop on 3P
Claude Documentation · in the page
third-party/claude-desktop/ssh-remote-sessions
…*: if Claude Desktop doesn't rejoin the engine, for example because a version older than the minimums above started it, Claude Desktop ends the engine and starts a fresh one from the transcript stored…
Show a status line
Claude Documentation · in the page
third-party/claude-desktop/status-line
…guration-format.md#the-linux-configuration-file), set only `command`. Versions before 4.16336.0 reject the whole key and show no status line, so add `platformOverrides` only after every device has upd…
Telemetry and egress
Claude Documentation · in the page
third-party/claude-desktop/telemetry
…ck traces, and performance timings. Contains diagnostic metadata (app version, OS, error type, redacted stack frames) but **never prompt or response content**. Attributed to your organization via `dep…
Unified Claude in Claude Desktop on 3P
Claude Documentation · in the page
third-party/claude-desktop/unified-claude
…ude Unified Claude is opt-in until November 10, 2026. When a current version of Claude Desktop starts after 12:00 PM Pacific Time on that date, it reads an unset [`desktopHome`](https://claude.com/do…
Web search and web fetch
Claude Documentation · in the page
third-party/claude-desktop/web-tools
…n. Deployments hosted on Azure support only the basic web search tool version (`web_search_20250305`), which is the version Claude Desktop uses; see [features not supported when hosted on Azure](https…
Contributing to MCP
Model Context Protocol · in the page
community/contributing
…., Python, Rust, Go) Verify your setup: ```bash theme={null} node --version # Should be 24.x or higher npm --version # Should be 11.x or higher git --version # Any recent version ``` > [!NOTE]…
Feature Lifecycle and Deprecation Policy
Model Context Protocol · in the page
community/feature-lifecycle
…cification document itself (Draft, Current, Final) is defined in the [versioning guide](https://modelcontextprotocol.io/docs/learn/versioning.md). ## Feature States A specification feature is in exa…
Governance and Stewardship
Model Context Protocol · in the page
community/governance
…n contributions to the project must be made using the Apache License, Version 2.0 (available here: [https://www.apache.org/licenses/LICENSE-2.0](https://www.apache.org/licenses/LICENSE-2.0)) (the "Pro…
Scientific Computing Charter
Model Context Protocol · in the page
community/interest-groups/scientific-computing
…ility and provenance**: capturing the parameters, software and solver versions, and other inputs needed to reproduce computational results obtained through MCP * **Arrays and numerical datasets**: c…
Security Charter
Model Context Protocol · in the page
community/interest-groups/security
…nges after a server has been approved, and whether such changes are versioning, re-approval, or security events * **Auditability and observability**: requirements for tamper-evident records of wha…
SDK Tiering System
Model Context Protocol · in the page
community/sdk-tiers
…ass rate | No minimum | | **New Protocol Features** | Before new spec version release, timeline agreed per release based on feature complexity | Within 6 months | No timeline commitment | | **Issue Tr…
SEP Guidelines
Model Context Protocol · in the page
community/sep-guidelines
…ls should be kept in sync. The markdown file is the canonical record (versioned with the proposal), while PR labels make it easy to filter and search. ## SEP Review & Resolution SEPs are reviewed by…
SDK Working Group Charter
Model Context Protocol · in the page
community/working-groups/sdk
…with the specification. It coordinates implementation of new protocol versions across languages, governs the [SDK Tiering System](https://modelcontextprotocol.io/community/sdk-tiers.md), and establish…
Roadmap
Model Context Protocol · in the page
development/roadmap
…t to extend our caching approach to support ETags, which should allow versioning the results of primitives, in particular tool calls. Beyond these, we want to look at standardized error handling acro…
Build an MCP client
Model Context Protocol · in the page
docs/2024-11-05/develop/build-client
…s these requirements: > > * Mac or Windows computer > * Latest Python version installed > * Latest version of `uv` installed > > ## Setting Up Your Environment > > First, create a new Python project w…
Build an MCP server
Model Context Protocol · in the page
docs/2024-11-05/develop/build-server
…re you have Claude for Desktop installed. [You can install the latest version > here.](https://claude.ai/download) If you already have Claude for Desktop, **make sure it's updated to the latest versio…
Client Best Practices
Model Context Protocol · in the page
docs/2024-11-05/develop/clients/client-best-practices
…keting_createIssue", input); } ``` Tool definitions in this protocol version describe tool inputs only. Precise return types (like `LogEntry` above) have to come from server documentation or manual c…
Connect to local MCP servers
Model Context Protocol · in the page
docs/2024-11-05/develop/connect-local-servers
…ready have Claude Desktop installed, verify you're running the latest version by clicking the Claude menu and selecting "Check for Updates..." ### Node.js The Filesystem Server and many other MCP se…
Architecture overview
Model Context Protocol · in the page
docs/2024-11-05/learn/architecture
…2.0", "id": 1, "method": "initialize", "params": { "protocolVersion": "2024-11-05", "capabilities": { "sampling": {} }, "clientInfo": { "name": "example-client",…
Debugging
Model Context Protocol · in the page
docs/2024-11-05/tools/debugging
…//modelcontextprotocol.io/specification/2024-11-05/basic/lifecycle.md#version-negotiation) 5. Check [capability negotiation](https://modelcontextprotocol.io/specification/2024-11-05/basic/lifecycle…
Understanding Authorization in MCP
Model Context Protocol · in the page
docs/2024-11-05/tutorials/security/authorization
…const server = new McpServer({ > name: "example-server", > version: "1.0.0", > }); > > server.registerTool( > "add", > { > title: "Addition Tool", > description: "Ad…
Security Best Practices
Model Context Protocol · in the page
docs/2024-11-05/tutorials/security/security_best_practices
…pe catalog in every challenge * Silent scope semantic changes without versioning * Treating claimed scopes in token as sufficient without server-side authorization logic Proper minimization constra…
Build an MCP client
Model Context Protocol · in the page
docs/2025-03-26/develop/build-client
…s these requirements: > > * Mac or Windows computer > * Latest Python version installed > * Latest version of `uv` installed > > ## Setting Up Your Environment > > First, create a new Python project w…
Build an MCP server
Model Context Protocol · in the page
docs/2025-03-26/develop/build-server
…re you have Claude for Desktop installed. [You can install the latest version > here.](https://claude.ai/download) If you already have Claude for Desktop, **make sure it's updated to the latest versio…
Client Best Practices
Model Context Protocol · in the page
docs/2025-03-26/develop/clients/client-best-practices
…keting_createIssue", input); } ``` Tool definitions in this protocol version describe tool inputs only. Precise return types (like `LogEntry` above) have to come from server documentation or manual c…
Connect to local MCP servers
Model Context Protocol · in the page
docs/2025-03-26/develop/connect-local-servers
…ready have Claude Desktop installed, verify you're running the latest version by clicking the Claude menu and selecting "Check for Updates..." ### Node.js The Filesystem Server and many other MCP se…
Architecture overview
Model Context Protocol · in the page
docs/2025-03-26/learn/architecture
…2.0", "id": 1, "method": "initialize", "params": { "protocolVersion": "2025-03-26", "capabilities": { "sampling": {} }, "clientInfo": { "name": "example-client",…
Debugging
Model Context Protocol · in the page
docs/2025-03-26/tools/debugging
…//modelcontextprotocol.io/specification/2025-03-26/basic/lifecycle.md#version-negotiation) 5. Check [capability negotiation](https://modelcontextprotocol.io/specification/2025-03-26/basic/lifecycle…
Understanding Authorization in MCP
Model Context Protocol · in the page
docs/2025-03-26/tutorials/security/authorization
…const server = new McpServer({ > name: "example-server", > version: "1.0.0", > }); > > server.registerTool( > "add", > { > title: "Addition Tool", > description: "Ad…
Security Best Practices
Model Context Protocol · in the page
docs/2025-03-26/tutorials/security/security_best_practices
…pe catalog in every challenge * Silent scope semantic changes without versioning * Treating claimed scopes in token as sufficient without server-side authorization logic Proper minimization constra…
Build an MCP client
Model Context Protocol · in the page
docs/2025-06-18/develop/build-client
…s these requirements: > > * Mac or Windows computer > * Latest Python version installed > * Latest version of `uv` installed > > ## Setting Up Your Environment > > First, create a new Python project w…
Build an MCP server
Model Context Protocol · in the page
docs/2025-06-18/develop/build-server
…re you have Claude for Desktop installed. [You can install the latest version > here.](https://claude.ai/download) If you already have Claude for Desktop, **make sure it's updated to the latest versio…
Connect to local MCP servers
Model Context Protocol · in the page
docs/2025-06-18/develop/connect-local-servers
…ready have Claude Desktop installed, verify you're running the latest version by clicking the Claude menu and selecting "Check for Updates..." ### Node.js The Filesystem Server and many other MCP se…
Architecture overview
Model Context Protocol · in the page
docs/2025-06-18/learn/architecture
…2.0", "id": 1, "method": "initialize", "params": { "protocolVersion": "2025-06-18", "capabilities": { "elicitation": {} }, "clientInfo": { "name": "example-client",…
Debugging
Model Context Protocol · in the page
docs/2025-06-18/tools/debugging
…//modelcontextprotocol.io/specification/2025-06-18/basic/lifecycle.md#version-negotiation) 5. Check [capability negotiation](https://modelcontextprotocol.io/specification/2025-06-18/basic/lifecycle…
Understanding Authorization in MCP
Model Context Protocol · in the page
docs/2025-06-18/tutorials/security/authorization
…const server = new McpServer({ > name: "example-server", > version: "1.0.0", > }); > > server.registerTool( > "add", > { > title: "Addition Tool", > description: "Ad…
Security Best Practices
Model Context Protocol · in the page
docs/2025-06-18/tutorials/security/security_best_practices
…pe catalog in every challenge * Silent scope semantic changes without versioning * Treating claimed scopes in token as sufficient without server-side authorization logic Proper minimization constra…
Build an MCP client
Model Context Protocol · in the page
docs/2025-11-25/develop/build-client
…s these requirements: > > * Mac or Windows computer > * Latest Python version installed > * Latest version of `uv` installed > > ## Setting Up Your Environment > > First, create a new Python project w…
Build an MCP server
Model Context Protocol · in the page
docs/2025-11-25/develop/build-server
…re you have Claude for Desktop installed. [You can install the latest version > here.](https://claude.ai/download) If you already have Claude for Desktop, **make sure it's updated to the latest versio…
Connect to local MCP servers
Model Context Protocol · in the page
docs/2025-11-25/develop/connect-local-servers
…ready have Claude Desktop installed, verify you're running the latest version by clicking the Claude menu and selecting "Check for Updates..." ### Node.js The Filesystem Server and many other MCP se…
Architecture overview
Model Context Protocol · in the page
docs/2025-11-25/learn/architecture
…2.0", "id": 1, "method": "initialize", "params": { "protocolVersion": "2025-11-25", "capabilities": { "elicitation": {} }, "clientInfo": { "name": "example-client",…
Debugging
Model Context Protocol · in the page
docs/2025-11-25/tools/debugging
…//modelcontextprotocol.io/specification/2025-11-25/basic/lifecycle.md#version-negotiation) 5. Check [capability negotiation](https://modelcontextprotocol.io/specification/2025-11-25/basic/lifecycle…
Understanding Authorization in MCP
Model Context Protocol · in the page
docs/2025-11-25/tutorials/security/authorization
…const server = new McpServer({ > name: "example-server", > version: "1.0.0", > }); > > server.registerTool( > "add", > { > title: "Addition Tool", > description: "Ad…
Security Best Practices
Model Context Protocol · in the page
docs/2025-11-25/tutorials/security/security_best_practices
…pe catalog in every challenge * Silent scope semantic changes without versioning * Treating claimed scopes in token as sufficient without server-side authorization logic Proper minimization constra…
Build an MCP client
Model Context Protocol · in the page
docs/2026-07-28/develop/build-client
…s these requirements: > > * Mac or Windows computer > * Latest Python version installed > * Latest version of `uv` installed > * You must use the Python MCP SDK 2.0.0 or higher > > ## Setting Up Your…
Build an MCP server
Model Context Protocol · in the page
docs/2026-07-28/develop/build-server
…re you have Claude for Desktop installed. [You can install the latest version > here.](https://claude.ai/download) If you already have Claude for Desktop, **make sure it's updated to the latest versio…
Client Best Practices
Model Context Protocol · in the page
docs/2026-07-28/develop/clients/client-best-practices
…ce") Host->>Server: server/discover Server-->>Host: Supported versions + capabilities Host->>Server: tools/list Server-->>Host: Tool definitions Host-->>Model: Salesforce server co…
Connect to local MCP servers
Model Context Protocol · in the page
docs/2026-07-28/develop/connect-local-servers
…ready have Claude Desktop installed, verify you're running the latest version by clicking the Claude menu and selecting "Check for Updates..." ### Node.js The Filesystem Server and many other MCP se…
Architecture overview
Model Context Protocol · in the page
docs/2026-07-28/learn/architecture
…ed protocol for client-server communication, including capability and version discovery, and core primitives, such as tools, resources, prompts and notifications. * **Transport layer**: Defines the co…
Understanding MCP clients
Model Context Protocol · in the page
docs/2026-07-28/learn/client-concepts
…extprotocol.io/specification/2026-07-28/deprecated.md) as of protocol version `2026-07-28`. | A server for booking travel may be given access to a specific directory, from which it can read a user's c…