custom-code-management

Original：🇺🇸 English

Translated

Add, review, or remove inline custom scripts on a Webflow site (up to 10,000 chars). Use for analytics, tracking pixels, chat widgets, or any custom JavaScript.

3installs

Sourcewebflow/webflow-skills

Added on2026-02-07

NPX Install

npx skill4agent add webflow/webflow-skills custom-code-management

SKILL.md Content

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Custom Code Management

Concepts

Webflow custom code: register (store script) → apply (attach to site). Inline scripts only via MCP (max 10,000 chars).

Important note

ALWAYS use Webflow MCP tools for all operations: Use the following tools for all operations:

data_scripts_tool

with actions

list_registered_scripts

/

list_applied_scripts

- List scripts

data_scripts_tool

with action

add_inline_site_script

- Register inline script (no

<script>

tags)

```
data_scripts_tool
```
with action
```
delete_all_site_scripts
```
- Remove ALL scripts (no selective delete)
```
data_sites_tool
```
with action
```
list_sites
```
- List available sites

Instructions

View Scripts

Call
```
data_sites_tool
```
with action
```
list_sites
```
if needed, then call both list tools in parallel
Display registration and application status

Add Script

Gather: name, code, location (header/footer)
Validate: under 10,000 chars, no
```
<script>
```
tags
Preview with character count, require "add" to confirm
Call
```
data_scripts_tool
```
with action
```
add_inline_site_script
```
with displayName, sourceCode, version, location, canCopy
Remind user to publish

Remove Scripts

List current scripts
Warn: removes ALL scripts (no selective delete)
Require "delete all" to confirm
Remind user to publish

Constraints

Max 10,000 characters per script
Do NOT include
```
<script>
```
tags (Webflow adds them)
displayName + version must be unique
Site-level only (no page-specific via MCP)
Hosted scripts not available via MCP

Response Format

After adding a script, respond with the script name, location, and version. Suggest using the

safe-publish

skill to publish changes.