Latch is listed as Free. Check https://latch.tools/ for the current plan limits, as vendors change pricing frequently.

Latch

Q: What is Latch?

Latch is a code AI tool listed on Use AI Tools. Latch makes a website work inside AI browsers with one line of code. AI agents already click through sites and fail on buttons and forms, so Latch exposes your search, cart and contact forms as WebMCP tools an agent can actually use: search_site finds and submits your search box, add_to_cart clicks your buy controls, submit_form maps your fields, and navigate surfaces your main nav. There is no server and no rewrite, the script is about 6 KB with zero dependencies, and it degrades silently where WebMCP is not present.

Q: What is Latch best for?

Latch is commonly used for Making a storefront usable by AI agents, Sites that lose conversions to agent browsing failures, Teams wanting WebMCP without a backend change. It supports English.

Code🌱 Beginner✅ Global access

Making a storefront usable by AI agentsSites that lose conversions to agent browsing failuresTeams wanting WebMCP without a backend change

FreeEnglish

Latch makes a website work inside AI browsers with one line of code. AI agents already click through sites and fail on buttons and forms, so Latch exposes your search, cart and contact forms as WebMCP tools an agent can actually use: search_site finds and submits your search box, add_to_cart clicks your buy controls, submit_form maps your fields, and navigate surfaces your main nav. There is no server and no rewrite, the script is about 6 KB with zero dependencies, and it degrades silently where WebMCP is not present.

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🎯 Real-World Use Cases

Expose search

Let an agent type into your search box and submit it as a tool call.

Expose checkout

Expose forms

Turn contact, booking and signup fields into a fillable tool.

⚖️ Honest Review

✅ Pros

+One script tag, no server and no rewrite
+About 6 KB with zero dependencies
+Reads the page read-only and registers only the actions an agent needs

⚠️ Cons

−Depends on WebMCP support, currently a Chrome origin trial
−Covers common e-commerce actions rather than arbitrary site logic

📚

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ProductivityOct 24, 2026