MCP elicitation
Category: protocol
Honors an MCP server requesting user input mid-tool-call (form/confirmation prompt), then delivers the answer back to the server.
Support by client
| Client | Status | Notes | Verified |
|---|---|---|---|
 Claude Web | unsupported | Client did not declare elicitation capability. Response: 'The client (Claude.ai) did not declare the elicitation capability at initialization, so the elicitation/create request was unsupported... No prompt was shown.' No interactive form/dialog appeared. Call id: a1de7b. | 2026-07-05T16:00:22.893Z |
| Claude Desktop | unsupported | Line 2: Response is plain text only; the probe reports the client didn't declare elicitation capability and no elicitation UI dialog was rendered. | 2026-07-08T15:01:14.055Z |
| Claude Mobile | unsupported | Probe self-reports: client did not declare elicitation capability during initialize - elicitation/create unsupported (call id 685704). No sheet or dialog shown. Automated via Mirroir. | 2026-07-09T17:55:25.472Z |
| Claude Voice | unknown | — | |
| Claude Code | unsupported | The model's reply echoed the probe's server-minted verdict: the client did not declare the elicitation capability during MCP initialize. | 2026-07-04T15:49:39.833Z |
 ChatGPT Web | unsupported | No elicitation form or dialog appeared in the chat after calling the elicitation probe; only a collapsed 'Called tool' accordion visible. ChatGPT did not surface an interactive elicitation prompt. | 2026-07-05T14:58:32.859Z |
| ChatGPT Mobile | unknown | — | |
| ChatGPT Voice | unknown | — | |
| ChatGPT Desktop | unknown | — | |
| Codex CLI | unsupported | The model's reply echoed the probe's server-minted verdict: the client did not declare the elicitation capability during MCP initialize. | 2026-07-04T15:52:12.159Z |
 Siri | unknown | — | |
| Apple AI (ChatGPT) | unknown | — | |
 Gemini Web | unknown | — | |
| Gemini Mobile | unknown | — | |
| Gemini Voice | unknown | — | |
| Gemini CLI | unsupported | Client did not declare the elicitation capability during MCP initialize. | 2026-07-08T15:43:38.708Z |
 Antigravity | unknown | — | |
 Cursor | unknown | — | |
| Cursor CLI | unsupported | Client did not declare the elicitation capability during MCP initialize. | 2026-07-04T15:42:53.445Z |
 VS Code (Copilot Chat) | unknown | — | |
 GitHub Copilot CLI | unsupported | Client did not declare the elicitation capability during MCP initialize. | 2026-07-04T15:42:55.046Z |
 Windsurf | unknown | — | |
 Zed | unknown | — | |
 Perplexity Web | unknown | — | |
| Perplexity Mobile | unknown | — | |
| Perplexity Voice | unknown | — | |
| Comet Browser | unknown | — | |
 Grok Web | unknown | — | |
| Grok Mobile | unknown | — | |
| Grok Voice | unknown | — | |
| Grok CLI | unsupported | Client did not declare the elicitation capability during MCP initialize. (tool_use event and debug log both missed; inferred toolCalled from call-id echo) | 2026-07-04T15:49:41.208Z |
 Warp | unknown | — | |
 Amp | unknown | — | |
 Goose CLI | unsupported | The model's reply echoed the probe's server-minted verdict: the client did not declare the elicitation capability during MCP initialize. (stream event did not name the tool; inferred toolCalled from call-id echo) | 2026-07-04T15:45:55.419Z |
| Antigravity CLI | unsupported | Client did not declare the elicitation capability during MCP initialize. (tool name not in reply; inferred toolCalled from call-id echo) | 2026-07-04T15:42:56.918Z |
 JetBrains AI Assistant | unknown | — | |
 Ollama | unknown | — | |
 LM Studio | unknown | — |