MCP resources
Category: protocol
Renders MCP `resource` content blocks (files, embedded data) that a tool returns, either inline or as browseable attachments.
Support by client
| Client | Status | Notes | Verified |
|---|---|---|---|
 Claude Web | unsupported | No dedicated resource UI. Response body has text-only description: 'Done. The tool returned a resource content block referencing ui://doesitsupport/probe-resource (call id: cbf076). From my side as the model, the resources markdown contents arrived...' The URI appears as inline code but no attachment/resource-browser affordance. Call id: cbf076. | 2026-07-05T15:56:59.351Z |
| Claude Desktop | unsupported | Line 2: Response is plain text with inline code spans only; the resource content arrived inline as text, with no rendered attachment, embed, or rich resource object. | 2026-07-08T14:59:39.244Z |
| Claude Mobile | partial | Tool-returned resource block arrives merged into plain text (render token resource-token-9b3e71, call id ca67fc) - no distinct resource UI in the reply. However server resources ARE browsable/attachable via + > Connectors > Add from DoesItSupport. Automated via Mirroir. | 2026-07-09T17:51:25.465Z |
| Claude Voice | unknown | — | |
| Claude Code | unsupported | The model echoed the tool response's nonce but not the render token that exists only in the resource body — the client did not hand the resource content block to the model. | 2026-07-04T15:53:10.220Z |
 ChatGPT Web | supported | ChatGPT rendered an 'Allow file materialization?' confirmation prompt inline stating 'ChatGPT needs your approval to materialize 1 file attachments returned by DoesItSupport' — MCP resources are recognized and surfaced to the user as attachments. | 2026-07-05T14:54:17.554Z |
| ChatGPT Mobile | unknown | — | |
| ChatGPT Voice | unknown | — | |
| ChatGPT Desktop | unknown | — | |
| Codex CLI | unsupported | The model echoed the tool response's nonce but not the render token that exists only in the resource body — the client did not hand the resource content block to the model. | 2026-07-04T15:52:57.534Z |
 Siri | unknown | — | |
| Apple AI (ChatGPT) | unknown | — | |
 Gemini Web | unknown | — | |
| Gemini Mobile | unknown | — | |
| Gemini Voice | unknown | — | |
| Gemini CLI | supported | The model's reply quoted the render token that exists only in the resource content block's body — the client surfaced the resource. | 2026-07-08T15:43:18.844Z |
 Antigravity | unknown | — | |
 Cursor | unknown | — | |
| Cursor CLI | supported | The model's reply quoted the render token that exists only in the resource content block's body — the client surfaced the resource. | 2026-07-04T15:43:15.891Z |
 VS Code (Copilot Chat) | unknown | — | |
 GitHub Copilot CLI | supported | The model's reply quoted the render token that exists only in the resource content block's body — the client surfaced the resource. | 2026-07-04T15:43:26.550Z |
 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 | supported | The model's reply quoted the render token that exists only in the resource content block's body — the client surfaced the resource. (tool_use event and debug log both missed; inferred toolCalled from call-id echo) | 2026-07-04T15:50:22.538Z |
 Warp | unknown | — | |
 Amp | unknown | — | |
 Goose CLI | unsupported | The model echoed the tool response's nonce but not the render token that exists only in the resource body — the client did not hand the resource content block to the model. | 2026-07-04T15:46:26.060Z |
| Antigravity CLI | unsupported | The model echoed the tool response's nonce but not the render token that exists only in the resource body — the client did not hand the resource content block to the model. | 2026-07-04T15:46:23.830Z |
 JetBrains AI Assistant | unknown | — | |
 Ollama | unknown | — | |
 LM Studio | unknown | — |