Docs search: /fast / page 2 of 2 / Source Intelligence

Monitoring Claude Code CLI · in the page monitoring-usage …for definitions. * `speed`: Either `"fast"` when [Fast mode](/docs/en/fast-mode.md) is active, or `"normal"` * `attempt`: Retry attempt number. The first attempt is `1`. * `effort`: [Effort level](/d…

Enterprise network configuration Claude Code CLI · in the page network-config …way-connect#set-the-base-url-and-credential), the [fast mode](/docs/en/fast-mode.md) availability check still calls `api.anthropic.com` rather than the gateway base URL. The check does honor a configu…

How Claude Code uses prompt caching Claude Code CLI · in the page prompt-caching …ed the cache. ### Turning on fast mode Enabling [fast mode](/docs/en/fast-mode.md) adds a request header that is part of the cache key, so the first request Claude Code sends with fast mode on reads…

Continue local sessions from any device with Remote Control Claude Code CLI · in the page remote-control …erminal; a session without one declines it. * `/model`, `/effort`, `/fast`, `/color`, and `/rename`: pass the value as an argument, for example `/model sonnet` or `/effort high`. From mobile and web…

Customize sessions in self-hosted environments Claude Code CLI · in the page self-hosted-environments-configuration …-behavior) isn't available on Amazon Bedrock, and [fast mode](/docs/en/fast-mode.md) isn't available on either provider. For other capabilities that differ by provider, see [CLI capabilities that vary…

Manage sessions Claude Code CLI · in the page sessions …ary of your first prompt, written by a background request to the small/fast model, normally a Haiku-class model. A `claude -p` run you start directly from a shell or script doesn't get one. Accepti…

Claude Code settings Claude Code CLI · in the page settings …| | `fastMode` | Turn [fast mode](/docs/en/fast-mode) on for sessions where it's available. Toggling with `/fast` writes `true` here in user settings and removes the key wh…

Customize your status line Claude Code CLI · in the page statusline …al context window size. | | `fast_mode` | Whether [fast mode](/docs/en/fast-mode.md) is enabled for the session | | `effort.level` | Current reasoning effort (`low`, `medium`, `high`, `xhigh`, or `max…

Create custom subagents Claude Code CLI · in the page sub-agents …to confirm before running one of them from this view. * `/model` and `/fast` set the main conversation's model and fast mode, not the viewed agent's, so they don't run from this view. A notice tells y…

Week 20 · May 11–15, 2026 Claude Code CLI · in the page whats-new/2026-w20 …[Goals](/docs/en/goal.md) Fast mode on Opus 4.7 research preview `/fast` now runs on Opus 4.7 by default instead of Opus 4.6. Fast mode is a high-speed Opus configuration: the same model quality a…

Week 22 · May 25–29, 2026 Claude Code CLI · in the page whats-new/2026-w22 …mode, now on Opus 4.8: ```text title="Claude Code" wrap theme={null} /fast ``` [Fast mode pricing](/docs/en/fast-mode.md#understand-the-cost-tradeoff) Other wins In `claude agents`, prefix a shell…

Week 30 · July 20–24, 2026 Claude Code CLI · in the page whats-new/2026-w30 …nsafe options, and commands over 10,000 characters[Fast mode](/docs/en/fast-mode.md) no longer supports Opus 4.7: `/fast` now applies to Opus 5 and Opus 4.8Long-running tool calls emit a periodic prog…

Customize Claude Tag Claude Documentation · in the page claude-tag/admins/customize …e-is-billed), at the [fast mode rates](https://code.claude.com/docs/en/fast-mode#understand-the-cost-tradeoff) ## Configure the environment for a scope Claude runs every channel session in a sandbox…

Claude Tag for Claude Code users Claude Documentation · in the page claude-tag/concepts/for-claude-code-users …an [switch models in a thread](/docs/claude-tag/users/models.md) | | `/fast` | Once an Owner [allows fast mode](/docs/claude-tag/admins/customize.md#allow-fast-mode), you [turn it on for one thread](/…

Commands Claude Tag understands Claude Documentation · in the page claude-tag/users/commands …that Opus version [supports fast mode](https://code.claude.com/docs/en/fast-mode). The command changes a different [session](/docs/claude-tag/concepts/glossary.md#session) depending on where you send…

Choose the model Claude Tag uses Claude Documentation · in the page claude-tag/users/models …the same [fast mode as in Claude Code](https://code.claude.com/docs/en/fast-mode), and that page lists the models that support it and what it costs. Use it where response time matters more than cost,…

Changelog Claude Documentation · in the page cowork/changelog …and Cowork sessions to start Claude Code with fast mode turned off; `/fast` now reports that fast mode is not available. * Changed Code tab sessions to ignore every Claude Code provider-selection env…

Connect Claude Code to Claude for Government Claude Documentation · in the page government/deploy-claude-code/configure …ote Control, and routines. [Fast mode](https://code.claude.com/docs/en/fast-mode) isn't available either. * With these settings Claude Code does not check for or install updates in the background. Dis…

Build with Agent Skills Model Context Protocol · in the page docs/2024-11-05/develop/build-with-agent-skills …e skill includes scaffolds for Cloudflare Workers and portable Express/FastMCP setups. **[MCP apps](/extensions/apps/overview.md)** extend a server with interactive widgets rendered in chat, such as…

Build with Agent Skills Model Context Protocol · in the page docs/2025-03-26/develop/build-with-agent-skills …e skill includes scaffolds for Cloudflare Workers and portable Express/FastMCP setups. **[MCP apps](/extensions/apps/overview.md)** extend a server with interactive widgets rendered in chat, such as…

Build with Agent Skills Model Context Protocol · in the page docs/2025-06-18/develop/build-with-agent-skills …e skill includes scaffolds for Cloudflare Workers and portable Express/FastMCP setups. **[MCP apps](/extensions/apps/overview.md)** extend a server with interactive widgets rendered in chat, such as…

Build with Agent Skills Model Context Protocol · in the page docs/2025-11-25/develop/build-with-agent-skills …e skill includes scaffolds for Cloudflare Workers and portable Express/FastMCP setups. **[MCP apps](/extensions/apps/overview.md)** extend a server with interactive widgets rendered in chat, such as…

Build with Agent Skills Model Context Protocol · in the page docs/2026-07-28/develop/build-with-agent-skills …e skill includes scaffolds for Cloudflare Workers and portable Express/FastMCP setups. **[MCP apps](/extensions/apps/overview.md)** extend a server with interactive widgets rendered in chat, such as…

Build with Agent Skills Model Context Protocol · in the page docs/draft/develop/build-with-agent-skills …e skill includes scaffolds for Cloudflare Workers and portable Express/FastMCP setups. **[MCP apps](/extensions/apps/overview.md)** extend a server with interactive widgets rendered in chat, such as…

Extension Support Matrix Model Context Protocol · in the page extensions/client-matrix …sthog.com/code/) | | | | | | [fast-agent](https://github.com/evalstate/fast-agent) | | | | [Partial](https://github.com/evalstate/fast-agent/blob/main/docs/docs/mcp/skills-over-mcp.md) | | [MCP Inspec…

SEP-1034: Support default values for all primitive types in elicitation schemas Model Context Protocol · in the page seps/1034--support-default-values-for-all-primitive-types-in …0 lines of code): * Implementation PR: [https://github.com/chughtapan/fast-agent/pull/2](https://github.com/chughtapan/fast-agent/pull/2) * A demo with the above email reply workflow: [https://asciin…

SEP-1330: Elicitation Enum Schema Improvements and Standards Compliance Model Context Protocol · in the page seps/1330-elicitation-enum-schema-improvements-and-standards …dk/pull/1246) **Client Implementation:** [https://github.com/evalstate/fast-agent/pull/324/files](https://github.com/evalstate/fast-agent/pull/324/files) **Working Demo:** [https://asciinema.org/a/anB…

SEP-2640: Skills Extension Model Context Protocol · in the page seps/2640-skills-extension …ttps://github.com/olaservo/gemini-cli/pull/1) * fast-agent: [evalstate/fast-agent#815](https://github.com/evalstate/fast-agent/pull/815) * codex: [olaservo/codex#1](https://github.com/olaservo/codex/p…