Tools

Tools are the functions an agent can call during a run. Each tool has a name, a description the model uses to decide when to call it, and a typed input schema.

Where tools come from

In Invoked, tools come from two places:

• Surfaces — every surface you connect (an MCP server or API) exposes its own tools. Adding a surface makes its tools available to agents in that workspace. This is the main way you give agents capabilities.
• Built-in local tools — a small set of general-purpose tools that ship with the app for working with your local environment.

Built-in local tools

Tool	Description
read_file	Read a file from the local filesystem
write_file	Write or overwrite a file
list_dir	List directory contents
bash	Execute a shell command
web_search	Search the web
fetch_url	Fetch and parse a URL
git_log	Read recent git commits
git_diff	Show a git diff
grep	Search file contents
find_files	Find files by pattern

Tool selection

Tools are selected per-skill or per-run. In the run composer, use the Tools dropdown to choose which tools are available to the agent. Restricting tools improves focus and reduces hallucination risk.

Adding more tools

To give agents new capabilities, add a surface from the Exchange or connect your own MCP server / REST API. Its tools become available immediately — no code changes, no redeploy.