The Fine Structure MCP server,
connected in one click.
Build and host full-stack apps from a prompt, with agents that reach you on WhatsApp and email. Connect the official Fine Structure MCP server to Claude, ChatGPT, or Cursor through gate — one gateway URL, no config files, security-checked.
Free to start · No credit card · No hosting needed
What your AI can do with Fine Structure
Real prompts you can type the moment it's connected — no setup, no docs to read.
“Use “create_app”: Create a new application from a natural language prompt. The AI generates a complete web app with pages, components, styling, and data model.”
“Use “agency_create_client”: Agency mode only. Create or update a client record for an account-level agent. This does not create a verified Fine Structure user account a.”
“Use “agency_list_clients”: Agency mode only. List client records and app handoff status for the authenticated agent.”
“Use “agency_create_client_app”: Agency mode only. Create a new app owned by the agent, start generation, and create a claim link for the client. Ownership transfers only wh.”
How secure is the Fine Structure MCP server?
Every server in the gate directory has to pass the same four checks before your AI can touch it. Here's how Fine Structure holds up.
Official endpoint
Operated by Fine Structure (finestructure.ai) at its documented MCP endpoint — not a third-party mirror or community re-host.
No sign-in needed
This server only exposes public data — no account and no credentials are involved when you connect.
Scanned before it goes live
gate checks every tool for prompt injection, hidden instructions, data-exfiltration hints, and over-broad permissions before the server is available through your gateway.
Watched for drift
If Fine Structure adds or changes tools later, gate re-scans and alerts you — before your AI acts on the change.
Connected in three steps
Connect your gate
Add one gateway URL to Claude, ChatGPT, or any MCP client. One-time setup, about two minutes.
Pick Fine Structure
Choose Fine Structure in the gate directory. No sign-in needed.
Use it anywhere
Fine Structure's tools are live in every AI client you've connected — with rules and logging built in.
Free to start · No credit card · No hosting needed
The actual tools Fine Structure exposes
Fetched live from the official endpoint and re-checked daily by gate — not marketing copy.
create_app — Create a new application from a natural language prompt. The AI generates a complete web app with pages, components, styling, and data model
agency_create_client — Agency mode only. Create or update a client record for an account-level agent. This does not create a verified Fine Structure user account a
agency_list_clients — Agency mode only. List client records and app handoff status for the authenticated agent.
agency_create_client_app — Agency mode only. Create a new app owned by the agent, start generation, and create a claim link for the client. Ownership transfers only wh
agency_create_claim_link — Agency mode only. Create a client claim link for an existing app owned by the agent. The client must log in with the invited email before ow
agency_get_claim_status — Agency mode only. Inspect one handoff status without exposing the raw claim token.
update_app — Update an existing application with a new prompt. The AI modifies the app based on your instructions. Creates a Saved Version before the upd
publish_app — Publish an app - freeze current state and make it live at a URL. Also configures whether the public URL is open, app-login gated, private, o
+ 76 more tools once connected
The Fine Structure MCP server at a glance
https://finestructure.ai/api/mcpQuestions, answered
Is there an official Fine Structure MCP server?
Yes — Fine Structure operates its own remote MCP server at finestructure.ai. gate connects you to that official endpoint and adds security scanning, per-tool access rules, and an activity log on top.
How do I connect Fine Structure to Claude or ChatGPT?
Add gate's gateway URL to your AI client once, then pick Fine Structure in the directory. No account or sign-in is needed. From then on, Fine Structure's tools are available in every client you've connected to gate.
Do I need to host anything?
No. Fine Structure runs the server, and gate is fully managed. You just connect one URL — there's nothing to install, deploy, or maintain.
Is the Fine Structure MCP server safe to connect?
It's the vendor's official endpoint, and gate scans its tools for prompt injection and hidden instructions before it goes live, re-checks it whenever it changes, and lets you allow, block, or require approval for every single tool.
Is it free?
Yes — you can get started with gate for free and connect Fine Structure in minutes. No credit card required.
Connect more than just Fine Structure
Every server below works through the same gateway URL — connect once, add tools anytime.
Squarespace DomainsDesignView →Set up Fine Structure in: Claude · Claude Code · ChatGPT · Cursor · VS Code
Give your AI Fine Structure — safely.
One URL. All MCPs. Full control. Free to start.
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