DisclaimerUnofficial, and not affiliated with Anthropic. Nearly all of this is read straight out of what ships: npm bundles, captured prompts, published docs. Anthropic's own notes go in verbatim, marked as theirs. The rest is my reading, and every entry carries the strings behind it. If one looks wrong, vote it down and say why.
Argument allowlist for the Claude Design MCP tools
Under the hood
Useful2Signal4
MCP
Claude Design tools now have a per-tool list of accepted arguments for listing systems, projects and files.
What's wrong with this entry?
Anonymous. No account, no email.
What
A per-tool map now lists which top-level arguments each Claude Design tool accepts, covering listing design systems, fetching the design prompt, listing and fetching projects, listing files, reading a file, fetching a conversation and listing members.
Evidence
get_claude_design_prompt
Strings lifted out of the shipped bundle, so the claim above can be checked against them.