Which MCP features does each client support?

spec 2026-07-28

Visual Studio Code

Website: https://code.visualstudio.com
clientInfo.name: Visual Studio Code
Protocol version: 2025-06-18

Core Protocol

✓ 0 · ◐ 0 · ✕ 0 · · 3

Stateless requests & per-request negotiation
Unknown
Server discovery
Unknown
Multi round-trip requests
Unknown

Transports

✓ 3 · ◐ 0 · ✕ 0 · · 0

stdio
Supported
Docs list Local stdio as a supported transport.
Source
Source
Verified
2026-07-01
Provenance
Manual
HTTP + SSE (deprecated)
Supported
Docs list SSE as legacy-supported transport.
Source
Source
Verified
2026-07-01
Provenance
Manual
Streamable HTTP
Supported
Docs list Streamable HTTP (http) transport.
Source
Source
Verified
2026-07-01
Provenance
Manual

Subscriptions

✓ 0 · ◐ 0 · ✕ 0 · · 1

subscriptions/listen
Unknown

Tools

✓ 4 · ◐ 0 · ✕ 0 · · 0

Call tools
Supported
MCP tools supported in agent mode, invoked as needed.
Source
Source
Verified
2026-07-01
Provenance
Manual
List tools
Supported
Users enable/configure tools with the tools picker.
Source
Source
Verified
2026-07-01
Provenance
Manual
list_changed notifications
Supported
Supports dynamic tool discovery at runtime.
Source
Source
Verified
2026-07-01
Provenance
Manual
Tool annotations
Supported
Supports tool annotations (title, readOnlyHint).
Source
Source
Verified
2026-07-01
Provenance
Manual

Resources

✓ 4 · ◐ 0 · ✕ 0 · · 1

Read resources
Supported
Resources can be browsed/attached as chat context.
Source
Source
Verified
2026-07-01
Provenance
Manual
List resources
Supported
Source
Source
Verified
2026-02-02
Provenance
Automated crawl
Resource templates
Supported
Supports resource templates with input parameters.
Source
Source
Verified
2026-07-01
Provenance
Manual
Subscribe to updates
Supported
Supports resource updates in real-time.
Source
Source
Verified
2026-07-01
Provenance
Manual
list_changed notifications
Unknown

Prompts

✓ 3 · ◐ 0 · ✕ 0 · · 1

Get prompts
Supported
Prompts invocable as slash commands in chat.
Source
Source
Verified
2026-07-01
Provenance
Manual
List prompts
Supported
Source
Source
Verified
2026-02-02
Provenance
Automated crawl
Prompt arguments
Supported
Prompt input arguments collected via a dialog.
Source
Source
Verified
2026-07-01
Provenance
Manual
list_changed notifications
Unknown

Sampling (deprecated)

✓ 1 · ◐ 0 · ✕ 0 · · 1

createMessage
Supported
Servers can make LM requests using the user's models.
Source
Source
Verified
2026-07-01
Provenance
Manual
Tool calling in sampling
Unknown

Roots (deprecated)

✓ 1 · ◐ 0 · ✕ 0 · · 0

List roots
Supported
Provides the server with the user's workspace root folder(s).
Source
Source
Verified
2026-07-01
Provenance
Manual

Elicitation

✓ 2 · ◐ 0 · ✕ 0 · · 0

Elicit user input (form mode)
Supported
Elicitation: request input from the user.
Source
Source
Verified
2026-07-01
Provenance
Manual
URL mode elicitation
Supported
v1.107 supports MCP 2025-11-25 incl. URL mode elicitation.
Source
Source
Verified
2026-07-01
Provenance
Manual

Tasks (extension)

✓ 0 · ◐ 0 · ✕ 0 · · 4

Caching

✓ 0 · ◐ 0 · ✕ 0 · · 1

Cacheable result hints
Unknown

Completions

✓ 0 · ◐ 0 · ✕ 0 · · 1

Argument autocompletion
Unknown

Logging (deprecated)

✓ 0 · ◐ 0 · ✕ 0 · · 1

Receive log messages
Unknown

Authorization

✓ 2 · ◐ 0 · ✕ 0 · · 0

OAuth 2.1 client
Supported
Authorization via OAuth 2.1 (and 2.0) standards.
Source
Source
Verified
2026-07-01
Provenance
Manual
OAuth Client ID Metadata Documents
Supported
Supports the Client ID Metadata Document authentication flow.
Source
Source
Verified
2026-07-01
Provenance
Manual