582 pages for environment.

Security Best Practices Model Context Protocol · in the page docs/2025-06-18/tutorials/security/security_best_practices …elated URLs. Which protections are appropriate depend on your network environment. **Enforce HTTPS** MCP clients **SHOULD** require HTTPS for all OAuth-related URLs in production environments: * Re… Build an MCP client Model Context Protocol · in the page docs/2025-11-25/develop/build-client …installed > * Latest version of `uv` installed > > ## Setting Up Your Environment > > First, create a new Python project with `uv`: > > ```bash macOS/Linux theme={null} > # Create project directory >… Build an MCP server Model Context Protocol · in the page docs/2025-11-25/develop/build-server …You must use the Python MCP SDK 1.2.0 or higher. > > ### Set up your environment > > First, let's install `uv` and set up our Python project and environment: > > ```bash macOS/Linux theme={null} > cu… Client Best Practices Model Context Protocol · in the page docs/2025-11-25/develop/clients/client-best-practices …model writes code that calls tools. The code executes in a sandboxed environment, and only the final result returns to the model. Programmatic tool calling is powerful and allows for more efficient… Connect to remote MCP Servers Model Context Protocol · in the page docs/2025-11-25/develop/connect-remote-servers …te MCP servers extend AI applications' capabilities beyond your local environment, providing access to internet-hosted tools, services, and data sources. By connecting to remote MCP servers, you trans… Architecture overview Model Context Protocol · in the page docs/2025-11-25/learn/architecture …his notification system is crucial for several reasons: 1. **Dynamic Environments**: Tools may come and go based on server state, external dependencies, or user permissions 2. **Efficiency**: Clients… Debugging Model Context Protocol · in the page docs/2025-11-25/tools/debugging …] } } } ``` Instead of relative paths like `./data` ### Environment variables MCP servers launched over stdio inherit only a limited subset of environment variables automatically (the e… MCP Inspector Model Context Protocol · in the page docs/2025-11-25/tools/inspector …or local servers, supports customizing the command-line arguments and environment ### Resources tab * Lists all available resources * Shows resource metadata (MIME types, descriptions) * Allows reso… Understanding Authorization in MCP Model Context Protocol · in the page docs/2025-11-25/tutorials/security/authorization …o its APIs that require user consent * You're building for enterprise environments with strict access controls * You want to implement rate limiting or usage tracking per user > [!TIP] > > **Authoriz… Security Best Practices Model Context Protocol · in the page docs/2025-11-25/tutorials/security/security_best_practices …elated URLs. Which protections are appropriate depend on your network environment. **Enforce HTTPS** MCP clients **SHOULD** require HTTPS for all OAuth-related URLs in production environments: * Re… Build an MCP client Model Context Protocol · in the page docs/2026-07-28/develop/build-client …ou must use the Python MCP SDK 2.0.0 or higher > > ## Setting Up Your Environment > > First, create a new Python project with `uv`: > > ```bash macOS/Linux theme={null} > # Create project directory >… Build an MCP server Model Context Protocol · in the page docs/2026-07-28/develop/build-server …You must use the Python MCP SDK 2.0.0 or higher. > > ### Set up your environment > > First, let's install `uv` and set up our Python project and environment: > > ```bash macOS/Linux theme={null} > cu… Client Best Practices Model Context Protocol · in the page docs/2026-07-28/develop/clients/client-best-practices …model writes code that calls tools. The code executes in a sandboxed environment, and only the final result returns to the model. Programmatic tool calling is powerful and allows for more efficient… Connect to remote MCP Servers Model Context Protocol · in the page docs/2026-07-28/develop/connect-remote-servers …te MCP servers extend AI applications' capabilities beyond your local environment, providing access to internet-hosted tools, services, and data sources. By connecting to remote MCP servers, you trans… Architecture overview Model Context Protocol · in the page docs/2026-07-28/learn/architecture …his notification system is crucial for several reasons: 1. **Dynamic Environments**: Tools may come and go based on server state, external dependencies, or user permissions 2. **Efficiency**: Clients… Debugging Model Context Protocol · in the page docs/2026-07-28/tools/debugging …] } } } ``` Instead of relative paths like `./data` ### Environment variables MCP servers launched over stdio inherit only a limited subset of environment variables automatically (the e… MCP Inspector Model Context Protocol · in the page docs/2026-07-28/tools/inspector …> Catalog vs. config files, the full per-client flag reference, and > environment variables. > [card] [Authorization](https://modelcontextprotocol.io/docs/2026-07-28/tools/inspector/authorization.md)… Authorization Model Context Protocol · in the page docs/2026-07-28/tools/inspector/authorization …NSPECTOR_OAUTH_STATE_PATH`, then `<MCP_STORAGE_DIR>/oauth.json` (see [Environment variables](https://modelcontextprotocol.io/docs/2026-07-28/tools/inspector/configuration.md#environment-variables)), t… Configuration and flags Model Context Protocol · in the page docs/2026-07-28/tools/inspector/configuration …> Catalog vs. config files, which client owns which flag, and every environment variable The `mcp-inspector` binary is a launcher: it reads two flags of its own and forwards every other argument to… mcpdo connection client Model Context Protocol · in the page docs/2026-07-28/tools/inspector/mcpdo …SSE servers run no local code, so they need no process isolation. ## Environment variables `mcpdo` reads the same catalog, storage and secret-store variables as the other clients (see [Environment v… Recipes Model Context Protocol · in the page docs/2026-07-28/tools/inspector/recipes …parsed by the Inspector and never reach the server. Give the process environment variables with `-e` and a working directory with `--cwd`: ```bash theme={null} mcp-inspector -e API_KEY=abc123 -e REG… Security Model Context Protocol · in the page docs/2026-07-28/tools/inspector/security …ECTOR_SECRET_KEY_FILE` (a Docker or Compose secret) rather than as an environment variable: a key passed with `-e MCP_INSPECTOR_SECRET_KEY=…` is visible to anyone who can run `docker inspect` or `dock… TUI client Model Context Protocol · in the page docs/2026-07-28/tools/inspector/tui …as the web client. Use it on a remote host over SSH, in a locked-down environment, or when you prefer to stay in the terminal. ```bash theme={null} npx @modelcontextprotocol/inspector --tui node buil… Web client Model Context Protocol · in the page docs/2026-07-28/tools/inspector/web …. `sessionStorage`, as a backstop. Set the `MCP_INSPECTOR_API_TOKEN` environment variable to pin a known token (useful for scripted launches), or set `DANGEROUSLY_OMIT_AUTH=true` to disable the check… Understanding Authorization in MCP Model Context Protocol · in the page docs/2026-07-28/tutorials/security/authorization …o its APIs that require user consent * You're building for enterprise environments with strict access controls * You want to implement rate limiting or usage tracking per user > [!TIP] > > **Authoriz… Local Server Security Model Context Protocol · in the page docs/2026-07-28/tutorials/security/local-server-security …t as a child process of your user account. That process inherits your environment variables, can read anything your account can read — SSH keys, cloud credentials, browser profiles, your home director… Security Best Practices Model Context Protocol · in the page docs/2026-07-28/tutorials/security/security_best_practices …elated URLs. Which protections are appropriate depend on your network environment. **Enforce HTTPS** MCP clients **SHOULD** require HTTPS for all OAuth-related URLs in production environments: * Re… Build an MCP client Model Context Protocol · in the page docs/draft/develop/build-client …ou must use the Python MCP SDK 2.0.0 or higher > > ## Setting Up Your Environment > > First, create a new Python project with `uv`: > > ```bash macOS/Linux theme={null} > # Create project directory >… Build an MCP server Model Context Protocol · in the page docs/draft/develop/build-server …You must use the Python MCP SDK 2.0.0 or higher. > > ### Set up your environment > > First, let's install `uv` and set up our Python project and environment: > > ```bash macOS/Linux theme={null} > cu… Client Best Practices Model Context Protocol · in the page docs/draft/develop/clients/client-best-practices …model writes code that calls tools. The code executes in a sandboxed environment, and only the final result returns to the model. Programmatic tool calling is powerful and allows for more efficient… Connect to remote MCP Servers Model Context Protocol · in the page docs/draft/develop/connect-remote-servers …te MCP servers extend AI applications' capabilities beyond your local environment, providing access to internet-hosted tools, services, and data sources. By connecting to remote MCP servers, you trans… Architecture overview Model Context Protocol · in the page docs/draft/learn/architecture …his notification system is crucial for several reasons: 1. **Dynamic Environments**: Tools may come and go based on server state, external dependencies, or user permissions 2. **Efficiency**: Clients… Debugging Model Context Protocol · in the page docs/draft/tools/debugging …] } } } ``` Instead of relative paths like `./data` ### Environment variables MCP servers launched over stdio inherit only a limited subset of environment variables automatically (the e… MCP Inspector Model Context Protocol · in the page docs/draft/tools/inspector …> Catalog vs. config files, the full per-client flag reference, and > environment variables. > [card] [Authorization](https://modelcontextprotocol.io/docs/draft/tools/inspector/authorization.md) > >… Authorization Model Context Protocol · in the page docs/draft/tools/inspector/authorization …NSPECTOR_OAUTH_STATE_PATH`, then `<MCP_STORAGE_DIR>/oauth.json` (see [Environment variables](https://modelcontextprotocol.io/docs/draft/tools/inspector/configuration.md#environment-variables)), then t… Configuration and flags Model Context Protocol · in the page docs/draft/tools/inspector/configuration …> Catalog vs. config files, which client owns which flag, and every environment variable The `mcp-inspector` binary is a launcher: it reads two flags of its own and forwards every other argument to… mcpdo connection client Model Context Protocol · in the page docs/draft/tools/inspector/mcpdo …SSE servers run no local code, so they need no process isolation. ## Environment variables `mcpdo` reads the same catalog, storage and secret-store variables as the other clients (see [Environment v… Recipes Model Context Protocol · in the page docs/draft/tools/inspector/recipes …parsed by the Inspector and never reach the server. Give the process environment variables with `-e` and a working directory with `--cwd`: ```bash theme={null} mcp-inspector -e API_KEY=abc123 -e REG… Security Model Context Protocol · in the page docs/draft/tools/inspector/security …ECTOR_SECRET_KEY_FILE` (a Docker or Compose secret) rather than as an environment variable: a key passed with `-e MCP_INSPECTOR_SECRET_KEY=…` is visible to anyone who can run `docker inspect` or `dock… TUI client Model Context Protocol · in the page docs/draft/tools/inspector/tui …as the web client. Use it on a remote host over SSH, in a locked-down environment, or when you prefer to stay in the terminal. ```bash theme={null} npx @modelcontextprotocol/inspector --tui node buil… Web client Model Context Protocol · in the page docs/draft/tools/inspector/web …. `sessionStorage`, as a backstop. Set the `MCP_INSPECTOR_API_TOKEN` environment variable to pin a known token (useful for scripted launches), or set `DANGEROUSLY_OMIT_AUTH=true` to disable the check… Understanding Authorization in MCP Model Context Protocol · in the page docs/draft/tutorials/security/authorization …o its APIs that require user consent * You're building for enterprise environments with strict access controls * You want to implement rate limiting or usage tracking per user > [!TIP] > > **Authoriz… Local Server Security Model Context Protocol · in the page docs/draft/tutorials/security/local-server-security …t as a child process of your user account. That process inherits your environment variables, can read anything your account can read — SSH keys, cloud credentials, browser profiles, your home director… Security Best Practices Model Context Protocol · in the page docs/draft/tutorials/security/security_best_practices …elated URLs. Which protections are appropriate depend on your network environment. **Enforce HTTPS** MCP clients **SHOULD** require HTTPS for all OAuth-related URLs in production environments: * Re… Build an MCP App Model Context Protocol · in the page extensions/apps/build …setting enables ES module syntax. The `build` script uses the `INPUT` environment variable to tell Vite which HTML file to bundle. The `serve` script runs your server using `tsx` for TypeScript execut… Enterprise-Managed Authorization Model Context Protocol · in the page extensions/auth/enterprise-managed-authorization …ged Authorization > Centralized access control for MCP in enterprise environments via identity providers The Enterprise-Managed Authorization extension (`io.modelcontextprotocol/enterprise-managed-a… OAuth Client Credentials Model Context Protocol · in the page extensions/auth/oauth-client-credentials …sk: > > * Store secrets in a secrets manager, never in source code or environment files checked into version control. > * Rotate secrets on a regular schedule and immediately after any suspected compr… Authorization Extensions Model Context Protocol · in the page extensions/auth/overview …o authenticate without interactive user consent flows. * **Enterprise environments** often have centralized identity providers (IdPs) that enforce policy across all applications. Requiring employees t… Extensions Overview Model Context Protocol · in the page extensions/overview …erprise-managed-authorization.md) | Stable | Framework for enterprise environments requiring centralized access control. | ### MCP Apps > [card] [modelcontextprotocol/ext-apps](https://github.com/mo… Tasks Model Context Protocol · in the page extensions/tasks/overview …**Unreliable connections.** Mobile clients, intermittent networks, or environments where connections drop. Task IDs survive disconnects. **Batch processing.** Operations that process many items (bulk…