Error reference changederrors
Nearest release: v2.1.310, published 18 hours before upstream edited the page. Shown because the two are within 24 hours of each other. Nothing here says the release caused the edit.
Upstream edited this page at 24 Oct 2026 16:00 UTC, give or take a minute or two: the time comes from Anthropic’s own sitemap rather than from a commit. This site recorded the change at 24 Oct 2026 16:07 UTC.
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#### The waiting banner comes and goes behind a gateway ### MCP server is disabled ### git is not installed on this Mac
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313313| `Skipping connection (recent failure cached; retries automatically in 15 min, or edit the plugin config to retry now)` | [Plugin errors](#skipping-connection-recent-failure-cached) |
314314| `Error: No such tool available: <tool name>` | [Tool errors](#no-such-tool-available) |
315315| `MCP server "<name>" connection closed before the tool call was answered` | [Tool errors](#connection-closed-before-the-tool-call-was-answered) |
316| `MCP server "<name>" is disabled — re-enable it via /mcp to use its tools` | [Tool errors](#mcp-server-is-disabled) |
316317| `MCP server "<name>" tool "<tool>" timed out after <N>s. The server asked the user a question, and no answer came before the time limit.` | [Tool errors](#mcp-tool-call-timed-out-with-the-servers-question-unanswered) |
317318| `would be spawned with zero tools — refusing` | [Tool errors](#agent-would-be-spawned-with-zero-tools) |
318319| `File is covered by a Read deny rule in your permission settings` | [Tool errors](#file-is-covered-by-a-read-deny-rule) |
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345346| `Your disk quota is full on the filesystem with Claude Code's temp directory <dir> (EDQUOT)` / `The filesystem with Claude Code's temp directory <dir>, or your disk quota on it, is full (ENOSPC)` | [Tool errors](#disk-quota-or-temp-filesystem-is-full) |
346347| `Command output was lost: the temp filesystem at <dir> is full` / `is out of inodes` | [Tool errors](#disk-quota-or-temp-filesystem-is-full) |
347348| `File is not valid UTF-8. It may use a legacy encoding such as Windows-1252, Shift-JIS or GBK, or be binary` | [Tool errors](#file-is-not-valid-utf-8) |
349| `git is not installed on this Mac. To install it, run xcode-select --install, then try again.` | [Tool errors](#git-is-not-installed-on-this-mac) |
348350| `the source file is not valid UTF-8 text` / `the source file is not valid UTF-16 text` | [Tool errors](#the-source-file-is-not-valid-utf-8-text) |
349351| `the source file has the replacement character U+FFFD` | [Tool errors](#the-source-file-is-not-valid-utf-8-text) |
350352| `Not published: that file is on a network share` | [Tool errors](#not-published-that-file-is-on-a-network-share) |
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484486
485487While Claude is consulting the [advisor](https://code.claude.com/docs/en/advisor.md), the banner appears after 90 seconds without data instead of 20, because a long advisor review can send nothing for well over 20 seconds. Before v2.1.214, the 20-second threshold applied during advisor calls too, so the banner appeared during advisor reviews even when nothing was wrong.
486488
489#### The waiting banner comes and goes behind a gateway
490
491If the `Waiting for API response` banner comes and goes while Claude thinks and you connect through a gateway, [update Claude Code](https://code.claude.com/docs/en/setup.md#update-claude-code) to v2.1.309 or later. The banner appears after 45 seconds without data on these connections:
492
493* [`ANTHROPIC_BASE_URL`](https://code.claude.com/docs/en/env-vars) set to a host other than the Anthropic API, such as an [LLM gateway](https://code.claude.com/docs/en/llm-gateway)
494* A [Claude apps gateway](https://code.claude.com/docs/en/claude-apps-gateway) session
495* [Claude Platform on AWS](https://code.claude.com/docs/en/claude-platform-on-aws.md) with `ANTHROPIC_AWS_BASE_URL` set
496
497Before v2.1.309, the banner appeared after 20 seconds on these connections.
498
487499### Tune retry behavior
488500
489501You can tune retry behavior with these environment variables:
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25102522
25112523* **Interactive CLI**: run `/model` to pick from models available to your account.
25122524* **Non-interactive mode (`-p`)**: pass `--model` with a valid alias or ID, or set [`ANTHROPIC_MODEL`](https://code.claude.com/docs/en/env-vars). The error text shows `Run --model` on this surface.
2513* **Agent SDK**: the error text omits the hint because the model is set programmatically. Set [`model` on `Options`](https://code.claude.com/docs/en/agent-sdk/typescript#options) in TypeScript or [`ClaudeAgentOptions(model=...)`](https://code.claude.com/docs/en/agent-sdk/python#claudeagentoptions) in Python, and handle the structured `model_not_found` error to surface your own retry or model picker.
2514* Use an alias such as `sonnet` or `opus` instead of a full versioned ID. Aliases resolve to a maintained default so they don't go stale. See [Model configuration](https://code.claude.com/docs/en/model-config.md).
2515* If the wrong model keeps coming back in the CLI, a stale ID is set somewhere. Check the places you can set a model in [priority order](https://code.claude.com/docs/en/model-config.md#setting-your-model) and remove the stale value.
2516* Claude Code reports an expired claude.ai login as [Login expired](#login-expired), not as this error. Before v2.1.206, an expired login that could no longer be refreshed failed every model with this error; run `/login` if you see that on an older version.
2517* If [`ANTHROPIC_BASE_URL`](https://code.claude.com/docs/en/env-vars) points at an [LLM gateway](https://code.claude.com/docs/en/llm-gateway) and every model fails this way, check whether your gateway is rejecting the tool search fi
2525* **Agent SDK**: the error text omits the hint because the model is set programmatically. Set [`model` on `Options`](https://code.claude.com/docs/en/agent-sdk/typescript#options) in TypeScript or [`ClaudeAgentOptions(model=...)`](https://code.claude.com/docs
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