93 pages for username.
Titles and paths first, then pages whose text carries it. Each row opens that page as this site last read it.
Build an MCP client
Model Context Protocol · in the page
docs/2025-06-18/develop/build-client
…lient.py ./server/weather.py # Absolute path uv run client.py /Users/username/projects/mcp-server/weather.py # Windows path (either format works) uv run client.py C:/projects/mcp-server/weather.py u…
Connect to local MCP servers
Model Context Protocol · in the page
docs/2025-06-18/develop/connect-local-servers
…", "@modelcontextprotocol/server-filesystem", "/Users/username/Desktop", "/Users/username/Downloads" ] } } } ``` ```json Windows theme={null} { "mcpServers": {…
Connect to remote MCP Servers
Model Context Protocol · in the page
docs/2025-06-18/develop/connect-remote-servers
…n the server implementation but commonly involves OAuth, API keys, or username/password combinations. ![Authentication screen for remote MCP server](https://mintcdn.com/mcp/4ZXF1PrDkEaJvXpn/images/qu…
Debugging
Model Context Protocol · in the page
docs/2025-06-18/tools/debugging
…", "@modelcontextprotocol/server-filesystem", "/Users/username/data" ] } } } ``` Instead of relative paths like `./data` ### Environment variables MCP servers launched o…
MCP Inspector
Model Context Protocol · in the page
docs/2025-06-18/tools/inspector
…protocol/inspector npx @modelcontextprotocol/server-filesystem /Users/username/Desktop ``` **PyPI package** ```bash theme={null} npx @modelcontextprotocol/inspector uvx <package-name> <args> # For e…
Understanding Authorization in MCP
Model Context Protocol · in the page
docs/2025-06-18/tutorials/security/authorization
…theme={null} docker run -p 127.0.0.1:8080:8080 -e KC_BOOTSTRAP_ADMIN_USERNAME=admin -e KC_BOOTSTRAP_ADMIN_PASSWORD=admin quay.io/keycloak/keycloak start-dev ``` This command will pull the Keycloak c…
Build an MCP client
Model Context Protocol · in the page
docs/2025-11-25/develop/build-client
…lient.py ./server/weather.py # Absolute path uv run client.py /Users/username/projects/mcp-server/weather.py # Windows path (either format works) uv run client.py C:/projects/mcp-server/weather.py u…
Connect to local MCP servers
Model Context Protocol · in the page
docs/2025-11-25/develop/connect-local-servers
…", "@modelcontextprotocol/server-filesystem", "/Users/username/Desktop", "/Users/username/Downloads" ] } } } ``` ```json Windows theme={null} { "mcpServers": {…
Connect to remote MCP Servers
Model Context Protocol · in the page
docs/2025-11-25/develop/connect-remote-servers
…n the server implementation but commonly involves OAuth, API keys, or username/password combinations. ![Authentication screen for remote MCP server](https://mintcdn.com/mcp/4ZXF1PrDkEaJvXpn/images/qu…
Debugging
Model Context Protocol · in the page
docs/2025-11-25/tools/debugging
…", "@modelcontextprotocol/server-filesystem", "/Users/username/data" ] } } } ``` Instead of relative paths like `./data` ### Environment variables MCP servers launched o…
MCP Inspector
Model Context Protocol · in the page
docs/2025-11-25/tools/inspector
…protocol/inspector npx @modelcontextprotocol/server-filesystem /Users/username/Desktop ``` **PyPI package** ```bash theme={null} npx @modelcontextprotocol/inspector uvx <package-name> <args> # For e…
Understanding Authorization in MCP
Model Context Protocol · in the page
docs/2025-11-25/tutorials/security/authorization
…theme={null} docker run -p 127.0.0.1:8080:8080 -e KC_BOOTSTRAP_ADMIN_USERNAME=admin -e KC_BOOTSTRAP_ADMIN_PASSWORD=admin quay.io/keycloak/keycloak start-dev ``` This command will pull the Keycloak c…
Build an MCP client
Model Context Protocol · in the page
docs/2026-07-28/develop/build-client
…lient.py ./server/weather.py # Absolute path uv run client.py /Users/username/projects/mcp-server/weather.py # Windows path (either format works) uv run client.py C:/projects/mcp-server/weather.py u…
Connect to local MCP servers
Model Context Protocol · in the page
docs/2026-07-28/develop/connect-local-servers
…", "@modelcontextprotocol/server-filesystem", "/Users/username/Desktop", "/Users/username/Downloads" ] } } } ``` ```json Windows theme={null} { "mcpServers": {…
Connect to remote MCP Servers
Model Context Protocol · in the page
docs/2026-07-28/develop/connect-remote-servers
…n the server implementation but commonly involves OAuth, API keys, or username/password combinations. ![Authentication screen for remote MCP server](https://mintcdn.com/mcp/4ZXF1PrDkEaJvXpn/images/qu…
Debugging
Model Context Protocol · in the page
docs/2026-07-28/tools/debugging
…", "@modelcontextprotocol/server-filesystem", "/Users/username/data" ] } } } ``` Instead of relative paths like `./data` ### Environment variables MCP servers launched o…
Understanding Authorization in MCP
Model Context Protocol · in the page
docs/2026-07-28/tutorials/security/authorization
…theme={null} docker run -p 127.0.0.1:8080:8080 -e KC_BOOTSTRAP_ADMIN_USERNAME=admin -e KC_BOOTSTRAP_ADMIN_PASSWORD=admin quay.io/keycloak/keycloak start-dev ``` This command will pull the Keycloak c…
Build an MCP client
Model Context Protocol · in the page
docs/draft/develop/build-client
…lient.py ./server/weather.py # Absolute path uv run client.py /Users/username/projects/mcp-server/weather.py # Windows path (either format works) uv run client.py C:/projects/mcp-server/weather.py u…
Connect to local MCP servers
Model Context Protocol · in the page
docs/draft/develop/connect-local-servers
…", "@modelcontextprotocol/server-filesystem", "/Users/username/Desktop", "/Users/username/Downloads" ] } } } ``` ```json Windows theme={null} { "mcpServers": {…
Connect to remote MCP Servers
Model Context Protocol · in the page
docs/draft/develop/connect-remote-servers
…n the server implementation but commonly involves OAuth, API keys, or username/password combinations. ![Authentication screen for remote MCP server](https://mintcdn.com/mcp/4ZXF1PrDkEaJvXpn/images/qu…
Debugging
Model Context Protocol · in the page
docs/draft/tools/debugging
…", "@modelcontextprotocol/server-filesystem", "/Users/username/data" ] } } } ``` Instead of relative paths like `./data` ### Environment variables MCP servers launched o…
Understanding Authorization in MCP
Model Context Protocol · in the page
docs/draft/tutorials/security/authorization
…theme={null} docker run -p 127.0.0.1:8080:8080 -e KC_BOOTSTRAP_ADMIN_USERNAME=admin -e KC_BOOTSTRAP_ADMIN_PASSWORD=admin quay.io/keycloak/keycloak start-dev ``` This command will pull the Keycloak c…
The MCP Registry
Model Context Protocol · in the page
registry/about
…ed sources. Server names follow a reverse DNS format (like `io.github.username/server` or `com.example/server`) that ties them to verified GitHub accounts or domains. This namespace system ensures th…
How to Authenticate When Publishing to the Official MCP Registry
Model Context Protocol · in the page
registry/authentication
…our server's name in `server.json` **MUST** be of the form `io.github.username/*` (or `io.github.orgname/*`). For example, `io.github.alice/weather-server`. If you choose domain-based authentication,…
MCP Registry Supported Package Types
Model Context Protocol · in the page
registry/package-types
…tocol.io/schemas/2025-12-11/server.schema.json", "name": "io.github.username/email-integration-mcp", "title": "Email Integration", "description": "Send emails and manage email accounts", "vers…
Quickstart: Publish an MCP Server to the MCP Registry
Model Context Protocol · in the page
registry/quickstart
…"name": "mcp-quickstart-ts", - "version": "1.0.0", + "name": "@my-username/mcp-weather-server", + "version": "1.0.1", "main": "index.js", ``` ```diff package.json theme={null} "license": "…
MCP Registry Aggregators
Model Context Protocol · in the page
registry/registry-aggregators
…tocol.io/schemas/2025-12-11/server.schema.json", "name": "io.github.username/email-integration-mcp", "title": "Email Integration", "description": "Send emails and manage email accounts", "vers…
Publishing Remote Servers
Model Context Protocol · in the page
registry/remote-servers
…tocol.io/schemas/2025-12-11/server.schema.json", "name": "io.github.username/email-integration-mcp", "title": "Email Integration", "description": "Send emails and manage email accounts", "vers…
Official MCP Registry Terms of Service
Model Context Protocol · in the page
registry/terms-of-service
…h may be made public. This includes personal data such as your GitHub username, domain name, or details from your server description. Moreover, you understand that others may process personal informat…
Versioning Published MCP Servers
Model Context Protocol · in the page
registry/versioning
…tocol.io/schemas/2025-12-11/server.schema.json", "name": "io.github.username/email-integration-mcp", "title": "Email Integration", "description": "Send emails and manage email accounts", "vers…
SEP-1036: URL Mode Elicitation for secure out-of-band interactions
Model Context Protocol · in the page
seps/1036-url-mode-elicitation-for-secure-out-of-band-intera
…ode": "form", // New field "message": "Please provide your GitHub username", "requestedSchema": { "type": "object", "properties": { "name": { "type": "string"…
SEP-1850: PR-Based SEP Workflow
Model Context Protocol · in the page
seps/1850-pr-based-sep-workflow
…cess - **Created**: YYYY-MM-DD - **Author(s)**: Name <email> (@github-username) - **Sponsor**: @github-username (or "None" if seeking sponsor) - **PR**: https://github.com/modelcontextprotocol/specifi…
SEP-2322: Multi Round-Trip Requests
Model Context Protocol · in the page
seps/2322-MRTR
…{ "mode": "form", "message": "Please provide your GitHub username", "requestedSchema": { "type": "object", "properties": { "name": { "type": "s…
Elicitation
Model Context Protocol · in the page
specification/2025-06-18/client/elicitation
…ion/create", "params": { "message": "Please provide your GitHub username", "requestedSchema": { "type": "object", "properties": { "name": { "type": "string"…
Elicitation
Model Context Protocol · in the page
specification/2025-11-25/client/elicitation
…l contact or profile information (such as a name, email address, > or username) is not categorically prohibited; whether to request such data via form mode is at > the discretion of the server and sub…
Multi Round-Trip Requests
Model Context Protocol · in the page
specification/2026-07-28/basic/patterns/mrtr
…{ "mode": "form", "message": "Please provide your GitHub username", "requestedSchema": { "type": "object", "properties": { "name": { "type": "string" }…
Elicitation
Model Context Protocol · in the page
specification/2026-07-28/client/elicitation
…l contact or profile information (such as a name, email address, > or username) is not categorically prohibited; whether to request such data via form mode is at > the discretion of the server and sub…
Schema Reference
Model Context Protocol · in the page
specification/2026-07-28/schema
…class="hl-0">: </span><span class="hl-2">"Please provide your GitHub username"</span><span class="hl-0">,</span><br /><span class="hl-0"> </span><span class="hl-1">"requestedSchema"</span><span cl…
Tools
Model Context Protocol · in the page
specification/2026-07-28/server/tools
…"mode": "form", "message": "Please provide your GitHub username", "requestedSchema": { "type": "object", "properties": { "name": { "type"…
Multi Round-Trip Requests
Model Context Protocol · in the page
specification/draft/basic/patterns/mrtr
…{ "mode": "form", "message": "Please provide your GitHub username", "requestedSchema": { "type": "object", "properties": { "name": { "type": "string" }…
Elicitation
Model Context Protocol · in the page
specification/draft/client/elicitation
…l contact or profile information (such as a name, email address, > or username) is not categorically prohibited; whether to request such data via form mode is at > the discretion of the server and sub…
Schema Reference
Model Context Protocol · in the page
specification/draft/schema
…class="hl-0">: </span><span class="hl-2">"Please provide your GitHub username"</span><span class="hl-0">,</span><br /><span class="hl-0"> </span><span class="hl-1">"requestedSchema"</span><span cl…
Tools
Model Context Protocol · in the page
specification/draft/server/tools
…"mode": "form", "message": "Please provide your GitHub username", "requestedSchema": { "type": "object", "properties": { "name": { "type"…