Getting it into your agent
One page per mod, every tool's command on it. A separate URL per tool would split the same page into five that compete with each other.
npx agentmods add skills/webflow/webflow-skills/cms-collection-setupnpx skills add webflow/webflow-skills --skill cms-collection-setupgit clone --depth 1 https://github.com/webflow/webflow-skillsWhat it costs to keep this loaded
Counted locally with the o200k_base tokenizer, which is exact for GPT models; Claude uses its own tokenizer and its counts differ. Treat this as one consistent yardstick across the catalogue rather than a bill. Prices are per million input tokens.
| Model | Per session | Once invoked |
|---|---|---|
| Fable 5 | $0.00047 | $0.07888 |
| Opus 5 | $0.00023 | $0.03944 |
| Sonnet 5 | $0.00009 | $0.01578 |
| Haiku 4.5 | $0.00005 | $0.00789 |
Grade A, and why
webflow-mcp:cms-collection-setup scanned grade A with 0 findings against 26 rules in 11 categories — prompt injection, anti-refusal, data exfiltration, privilege escalation, supply chain, agent snooping, system-prompt leakage, SSRF and excessive agency — measured 2d ago.
A static scan of the body, not an audit. Every finding is printed with the line that produced it so you can judge whether it matters here. A mod is markdown that instructs an agent; that is exactly why what it instructs is worth reading.
Nothing flagged
None of the 26 patterns this scan looks for appear in this file: no shell pipes, no recursive deletes, no credential paths, no hidden text, no instruction-override or anti-refusal phrasing, no agent-config snooping. That is not a guarantee, it is the absence of the things that are checkable.
How it starts
The opening of the file, as written. The whole thing — 1,286 lines — stays where its author put it; the contents beside it link to each section on GitHub.
CMS Collection Setup
Create a new CMS collection with custom fields, relationships, and proper configuration.
Important Note
ALWAYS use Webflow MCP tools for all operations:
- Use Webflow MCP's
webflow_guide_toolto get best practices before starting - Use Webflow MCP's
data_sites_toolwith actionlist_sitesto identify available sites - Use Webflow MCP's
data_sites_toolwith actionget_siteto retrieve site details and plan limits - Use Webflow MCP's
data_cms_toolwith actionget_collection_listto check for naming conflicts - Use Webflow MCP's
data_cms_toolwith actioncreate_collectionto create the collection - Use Webflow MCP's
data_cms_toolwith actioncreate_collection_static_fieldto create static fields - Use Webflow MCP's
data_cms_toolwith actioncreate_collection_option_fieldto create option fields - Use Webflow MCP's
data_cms_toolwith actioncreate_collection_reference_fieldto create reference/multi-reference fields - Use Webflow MCP's
data_cms_toolwith actionget_collection_detailsto verify collection was created correctly - DO NOT use any other tools or methods for Webflow operations
- All tool calls must include the required
contextparameter (15-25 words, third-person perspective)
Instructions
Phase 1: Site Selection & Discovery
- Get site information: Use Webflow MCP's
data_sites_toolwith actionlist_sitesto identify target site - Confirm site: Ask user to select site if multiple available
- Check plan limits: Use Webflow MCP's
data_sites_toolwith actionget_siteto verify collection limits - List existing collections: Use Webflow MCP's
data_cms_toolwith actionget_collection_listto check for conflicts - Validate naming: Ensure new collection name doesn't conflict with existing
Phase 2: Requirements Gathering
- Get collection details: Ask user for:
- Collection display name (e.g., "Blog Posts")
- Singular name (e.g., "Blog Post")
- Optional: Custom slug (default: auto-generated from display name)
- Get field definitions: For each field, gather:
- Field name (e.g., "Author Name", "Publish Date")
- Field type (Text, Rich Text, Image, Option, Reference, etc.)
- Required vs optional
- Any validation rules or help text
- Identify relationships: Determine if collection needs:
- Reference fields (one-to-many relationships)
- Multi-reference fields (many-to-many relationships)
- Option fields (controlled vocabulary)
What this file has done since we first saw it
Hashed on every crawl. A supply-chain change to an agent config is a question of when, not whether, so the history is kept rather than the latest state alone.
- 2d ago First seen · 1,286 lines · 47 tokens per session scan A 5809a5dc81bc
webflow-mcp:cms-collection-setup is a skill published in the GitHub repository webflow/webflow-skills (114 stars, last pushed 4d ago), licensed MIT. It adds 47 tokens to every session and 7,888 once invoked, about $0.0002 per session on Opus 5. A static security scan graded it A with 0 findings. No closer match exists in the catalogue, so it is treated as the original; first seen 2026-08-30.
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