Kiro Built-in Tools Reference

fs_read

Read files, directories, images. Modes: Line, Directory, Search, Image. Config: allowedPaths, deniedPaths

fs_write

Create/modify files. Commands: create, str_replace, insert, append. Config: allowedPaths, deniedPaths, fallbackAction (interactive|deny)

execute_bash

Run shell commands with safety checks. Config: allowedCommands (regex), deniedCommands (regex), autoAllowReadonly, denyByDefault Read-only commands: ls, cat, echo, pwd, which, head, tail, find, grep

grep

Regex search across files. Respects .gitignore. Modes: content, files_with_matches, count Params: pattern, path, include, case_sensitive, output_mode, max_matches_per_file, max_files

glob

Find files by glob pattern. Respects .gitignore. Params: pattern, path, limit, max_depth

code

LSP-powered code intelligence: search_symbols, lookup_symbols, get_document_symbols, pattern_search, pattern_rewrite

use_aws

AWS CLI integration. Config: allowedServices, autoAllowReadonly

introspect

Search Kiro documentation. Used by help agent.

knowledge

Knowledge base search (requires chat.enableKnowledge setting)

thinking

Extended reasoning (requires chat.enableThinking setting)

todo_list

Task management (requires chat.enableTodoList setting)

delegate

Subagent delegation (requires chat.enableDelegate setting)