MCP server

iter0

io.github.inchwormz/iter0-mcp

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Build and edit launch-ready websites for tech founders from a brief or an authorised reference.

Website Source

At a glance

Type

MCP server

Publisher

Not verified

Status

Working at last check

Tools

22

Token cost

About 6,882 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http iter0-mcp https://iter0.com/api/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.iter0-mcp]
url = "https://iter0.com/api/mcp"

Gemini CLI

{"mcpServers":{"iter0-mcp":{"httpUrl":"https://iter0.com/api/mcp"}}}

Cursor

{"mcpServers":{"iter0-mcp":{"url":"https://iter0.com/api/mcp"}}}

VS Code

{"servers":{"iter0-mcp":{"type":"http","url":"https://iter0.com/api/mcp"}}}

Antigravity

agy mcp add iter0-mcp https://iter0.com/api/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"iter0-mcp","server_url":"https://iter0.com/api/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"iter0-mcp","server_url":"https://iter0.com/api/mcp"}

Tools

• iter0_check_site ~284 tokens
  Check a saved site for problems before the person shares it. Free and read-only: it changes nothing and uses no credits. Pass the designId. It lists, in plain words, a missing page title or description, images with no alt text, links to pages or sections that do not exist, leftover sample text (lore
• iter0_confirm_paid_action ~237 tokens
  Start a quoted iter0 request once the person has confirmed its price: pass the quote's confirmation (quoteId, name, arguments, credits) unchanged, and exactly the quoted credits are spent. iter0 checks that the quote belongs to the connected account, matches the same request and price, has not expir
• iter0_create_site ~772 tokens
  Build a new website in the person's iter0 account from a brief, a reference URL they are allowed to use, or a directionId from their Show 3 set. Costs 1 credit. The first call returns a price quote and starts nothing; the build starts only when the person confirms that quote, in the iter0 card or by
• iter0_design_layout ~119 tokens
  Used by the iter0 card. Returns a light copy of an owned design's page (images and scripts removed) in widget-only metadata, so the card can outline a section when the person points at the preview. Read-only.
• iter0_edit_site ~599 tokens
  Make one focused change to a saved iter0 design: pass its designId and the change as prompt. iter0 loads the current page itself and saves the edit as the design's current page; the card offers Undo. For a page the person pasted into the chat (no designId), pass that page exactly as currentHtml; the
• iter0_get_canvas_feedback ~401 tokens
  Read what the person left on an iter0 canvas: comment threads with their replies (pinned to a page element, a page, a note or a spot), sticky notes, text, shapes and labelled arrows, and durable pins. Each item names the page it is on or near (pageKey, route, designId) and, for element comments, whe
• iter0_get_design ~216 tokens
  Read one of the person's iter0 designs: its name, link, section IDs and labels, and its headline and a short summary as text; the card shows the design. The page's code is not returned. iter0_edit_site takes this designId and the change as prompt, loads the page itself, saves the edit as the design'
• iter0_get_design_set_status ~133 tokens
  Read a Show 3 batch. Returns its running or failed status, or when done three directions, each with a stable directionId, title, one-line summary, screenshot URL, preview link and the iter0_create_site arguments that build it. Read-only; charges nothing.
• iter0_get_developer_docs ~96 tokens
  Return iter0's official links for its API documentation, OpenAPI spec, MCP setup, authentication and support contact. Use when someone asks where to find them. Read-only; does not build or edit websites.
• iter0_get_site_status ~169 tokens
  Check an authenticated website build; request HTML only when needed.
• iter0_health ~73 tokens
  For developers integrating the iter0 API: check that the API and its developer contracts are reachable. Does not build or edit websites.
• iter0_list_my_designs ~288 tokens
  List one page of the person's saved iter0 designs, newest first, with each design's name and link; the card shows their previews. A finished build appears here as a saved design, so this finds a design they name (for example "the Shiplog site") or shows whether a build they started is finished. quer
• iter0_open_builder ~235 tokens
  Open the person's iter0 projects: their recent designs, search and a box to start a new website. Use when they ask to open iter0 or see their iter0 projects. Read-only; starts nothing and spends no credits. Covers only the person's own iter0 websites and designs, not general design, colour, logo or
• iter0_publish_site Sends messages · ~403 tokens
  Puts a saved site live at its own free address, name.iter0.app, so anyone can open it. Free: it uses no credits. Takes the designId and, optionally, a name for the address (lowercase letters, numbers and hyphens, 3 to 63 characters; without one, iter0 uses the free address it suggests). Called witho
• iter0_publish_status ~173 tokens
  Checks whether a saved site is live. Read-only: it changes nothing and uses no credits. Returns whether the site is published, when iter0 last confirmed that the address loads (an earlier check, not one made now), whether the live copy is the saved version, and the free address on offer if it was ne
• iter0_push_site ~842 tokens
  Put a website you built, as finished HTML pages, on the person's iter0 canvas so they can comment on it, ask questions and leave notes there. Free: it uses no credits and publishes nothing. The first push for a sourceId creates the site (one saved design per page, grouped in a project) and returns i
• iter0_read_canvas_page ~288 tokens
  Read the current HTML of one page on an iter0 canvas, with its version, so you can merge the person's own edits before pushing a revision. Free and read-only. A large page comes in parts: html holds the characters from htmlOffset, and while nextOffset is not null, call again with it as offset and ap
• iter0_reply_to_feedback Sends messages · ~368 tokens
  Add a reply to one comment thread or pin on the person's iter0 canvas, for example to answer their question or say what you changed. Free. It only appends the reply, marked as an agent's: it never resolves, reopens or deletes anything and approves nothing. operationId makes a retry safe: the same op
• iter0_restore_version ~193 tokens
  Restore an earlier saved version of the person's site (a versionId from iter0_get_design). Free. Two steps: a call without confirmationToken changes nothing and returns which version replaces which, with a confirmation token; a second call with the same designId, versionId and that token, once the p
• iter0_show_three ~534 tokens
  Prepare three rough draft website design directions for the person's business from approved design references; pass the brief and a name and short summary for each direction. Costs 1 credit on a paid account; free accounts use their free allowance. A paid request first returns a price quote and star
• iter0_undo_edit ~178 tokens
  Undo the last saved edit from the iter0 card. Free. Puts back the exact page from before that edit, which iter0 kept, only while the edit is still the design's current page and the undo has not expired.
• iter0_unpublish_site ~281 tokens
  Takes a live site offline: its address stops working. Free. The saved design and the address are kept, so the site can be published again later. Called with only the designId, nothing changes and it returns a confirmationToken. Called again with the same designId and that confirmationToken, the site

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