Read a file or directory from the local filesystem. The filePath should be absolute. By default, returns up to 2000 lines starting at line 1. Use offset (1-indexed) and limit to read later sections. Lines are returned as : ; directories list entries with a trailing / for subdirectories. Lines longer than 2000 characters are truncated. Images and PDFs are returned as attachments.

Fast file pattern matching for codebases of any size. Supports patterns such as /*.js and src//*.ts. Returns matching file paths. Use it to find files by name pattern.

Fast regular-expression content search for codebases of any size. The optional include parameter filters searched files, for example *.js or *.{ts,tsx}. Returns matching paths, line numbers, and matching lines.

Write a text file to the local filesystem. An existing file is overwritten. Prefer edit for an existing file when a targeted replacement is sufficient.

Replace text in a file using OpenCode matching semantics. Preserve the exact indentation from read output, excluding its line-number prefix. The operation fails when oldString cannot be identified unambiguously; supply more context or use replaceAll to replace every occurrence.

Apply an OpenCode patch document. Wrap one or more file operations in *** Begin Patch and *** End Patch. Use *** Add File, *** Delete File, or *** Update File headers. New lines in an added file must begin with +. Updates may include a *** Move to: path directive.

Execute a shell command. Set workdir instead of changing directories inside the command when possible. timeout is in milliseconds. Output is capped; complete truncated output is saved to a file.

Fetch content from a fully formed HTTP or HTTPS URL. format controls whether text, Markdown, or HTML is returned; Markdown is the default. This tool is read-only.

Search the web through the configured Exa or Parallel provider. Query is required; numResults, livecrawl, type, and contextMaxCharacters are optional provider controls.

Create and maintain the structured task list for the current MCP session. Each item has content, status, and priority.

Load a discovered specialized skill. The output contains the skill instructions and references to files in the skill directory. The name must match a discovered skill.