> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.merge.dev/merge-agent-handler/build/tools/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.merge.dev/_mcp/server.

# Tools

> Build once. Connect to every API, tool, and LLM. Ship products and agents to production without owning the integration stack.

## Docs

- [Tool Packs](https://docs.merge.dev/merge-agent-handler/build/tools/tool-packs.md): How Tool Packs work in Agent Handler: when to create one vs many, individual vs shared credential scope, tool selection, lifecycle.
- [Tool Description Overrides](https://docs.merge.dev/merge-agent-handler/build/tools/tool-description-overrides.md): How to override tool names and descriptions per Tool Pack to match your domain language and improve model selection.
- [Tool input overrides](https://docs.merge.dev/merge-agent-handler/build/tools/tool-input-overrides.md): How to hardcode specific input fields on a tool so every call uses a value you set, regardless of what the model produces.
- [File transfers](https://docs.merge.dev/merge-agent-handler/build/tools/file-transfers.md): How to stage a file with the reserve and upload endpoints and pass it to a tool, and how to fetch a file a tool hands back as a download URL.