18 pages for disallowedtools.

How the agent loop works Claude Code CLI · in the page agent-sdk/agent-loop …gh to the permission mode and `canUseTool`. * **`disallowed_tools` / `disallowedTools`** blocks listed tools, regardless of other settings. See [Permissions](/docs/en/agent-sdk/permissions) for the or… Give Claude custom tools Claude Code CLI · in the page agent-sdk/custom-tools …er a call is approved once Claude attempts it. `tools` and bare-name `disallowedTools` entries change availability. `allowedTools` and scoped `disallowedTools` rules change permission. If you name one… Connect to external tools with MCP Claude Code CLI · in the page agent-sdk/mcp …off, or when you exclude the `ToolSearch` tool, for example through `disallowedTools`. ### Named servers You name a server by listing any of its tools, such as `mcp__github__list_issues` or `mcp__g… Configure permissions Claude Code CLI · in the page agent-sdk/permissions …`allowed_tools` and `disallowed_tools` (TypeScript: `allowedTools` / `disallowedTools`) add entries to the allow and deny rule lists in the evaluation flow above. If you name one of the [task-tracking… Agent SDK reference - Python Claude Code CLI · in the page agent-sdk/python …scription: str prompt: str tools: list[str] | None = None disallowedTools: list[str] | None = None model: str | None = None skills: list[str] | None = None memory: Literal["use… Subagents in the SDK Claude Code CLI · in the page agent-sdk/subagents …ool available to subagents](/docs/en/sub-agents#available-tools) | | `disallowedTools` | `string[]` | No | Array of tool names to remove from the agent's tool set. MCP server-level patterns are also a… Agent SDK reference - TypeScript Claude Code CLI · in the page agent-sdk/typescript …nlisted tools fall through to `permissionMode` and `canUseTool`. Use `disallowedTools` to block tools. See [Permissions](/docs/en/agent-sdk/permissions#allow-and-deny-rules) | | `betas` | [`SdkBeta`](… Orchestrate teams of Claude Code sessions Claude Code CLI · in the page agent-teams …e Code picks a teammate's model](#specify-teammates-and-models). * **`disallowedTools`**: for an in-process teammate, Claude Code removes the tools in the definition's `disallowedTools` from the teamm… Claude Code changelog Claude Code CLI · in the page changelog …in-defined agent spawned by name now runs with its own prompt, tools, disallowedTools and effort instead of the defaults * Fixed headless (`-p` / SDK) sessions occasionally ignoring SIGTERM when a sup… Explore the .claude directory Claude Code CLI · in the page claude-directory …atter-reference) | | `agents/*.md` | `name`, `description`, `tools`, `disallowedTools`, `model`, `permissionMode`, `maxTurns`, `autoCompactWindow`, `skills`, `mcpServers`, `hooks`, `memory`, `backgrou… CLI reference Claude Code CLI · in the page cli-reference …| | `--disallowedTools`, `--disallowed-tools` | Deny rules. A bare tool name removes the matching tools from Claude's context: `"Ed… Desktop application Claude Code CLI · in the page desktop …nning-tasks-in-the-cloud) in a cloud session | | `--allowedTools`, `--disallowedTools` | No per-session equivalent. Permission rules in [settings files](/docs/en/settings) still apply. | | `--verbose`… Monitoring Claude Code CLI · in the page monitoring-usage …settings * Enterprise managed policy * `--allowedTools` or `--disallowedTools` flags * The active permission mode * The auto mode classifier, whose verdict the same event records in `c… Configure permissions Claude Code CLI · in the page permissions …ue)`. To match a parameter on an MCP tool, pass a deny rule with [`--disallowedTools`](/docs/en/cli-reference#cli-flags). When Claude Code loads a settings file, it skips any `mcp__` rule that has pa… Add components to a plugin Claude Code CLI · in the page plugins/components …ption`, `model`, `effort`, `maxTurns`, `autoCompactWindow`, `tools`, `disallowedTools`, `skills`, `memory`, `background`, `omitClaudeMd`, `isolation`, `color`, and the `cacheTtl` key of `experimental`… All settings Claude Code CLI · in the page settings-reference …e managed rules with a `!` rule, whether or not you set this key. `--disallowedTools` rules and the current session's `deny` and `ask` rules still apply, including after Claude Code reloads settings… Create custom subagents Claude Code CLI · in the page sub-agents …er fields](#supported-frontmatter-fields)**: `description`, `tools`, `disallowedTools`, `model`, `permissionMode`, `mcpServers`, `hooks`, `maxTurns`, `autoCompactWindow`, `skills`, `initialPrompt`, `m… Tools reference Claude Code CLI · in the page tools-reference …gs, and the `/permissions` interface * in the `--allowedTools` and `--disallowedTools` [CLI flags](/docs/en/cli-reference) * in the Agent SDK's [`allowedTools` and `disallowedTools`](/docs/en/agent-sd…