Sienna, Knobs.co hardware advisor

co.knobs/siennaVersion 1.1.2

Knobs.co cabinet-hardware advisor: sizing, fits, finishes, prices, plans, cart and sample links.

Status

Responds266 msNov 14, 2026, 13:44 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 13:44 UTC
Latency: 266 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 21:12 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://sienna.knobs.co/mcpResponds266 msNov 14, 2026, 13:44 UTC

No sign-in

Claude Code

claude mcp add --transport http sienna https://sienna.knobs.co/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: sienna
Remote MCP server URL: https://sienna.knobs.co/mcp

Cursor

{
  "mcpServers": {
    "sienna": {
      "url": "https://sienna.knobs.co/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"sienna","type":"http","url":"https://sienna.knobs.co/mcp"}'

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Tools

11 tools

Tools of Sienna, Knobs.co hardware advisor
	Description		Read-only	Idempotent	Open world
`ask_sienna`Ask Knobs.co's automated cabinet-hardware advisor one question in plain words and get one complete answer with the exact products named (title, vendor, finish, size, list price, URL). Best for: which pull length for a drawer width, what fits existing holes (center-to-center), knobs versus pulls, finish and style pairing, a series in a size/finish/budget, samples, returns, the trade program. Include everything known: room, drawer widths, existing hole spacing, finish, style, budget per piece, brand likes or dislikes. One question per call; up to 600 characters.	Ask Knobs.co's automated cabinet-hardware advisor one question in plain words and get one complete answer with the exact products named (title, vendor, finish, size, list price, URL). Best for: which pull length for a drawer width, what fits existing holes (center-to-center), knobs versus pulls, finish and style pairing, a series in a size/finish/budget, samples, returns, the trade program. Include everything known: room, drawer widths, existing hole spacing, finish, style, budget per piece, brand likes or dislikes. One question per call; up to 600 characters.	No	Yes	Yes	Yes
`build_plan`Build the shopper's whole-kitchen (or bath) Hardware Plan: one line per zone (doors, drawers by width, island, tall, appliance panels) with the exact Knobs.co product, finish, size, count and list price, totals, the pieces that qualify as samples, and what is still unconfirmed. Use it once the shopper has given counts, drilling (existing holes or fresh), finish, style and a budget; include products they liked from search_catalog as candidates. The plan is saved for 90 days at the returned plan_url, where the shopper can see it and add its samples or the whole plan to their cart. To change counts, finish or products, call build_plan again with the corrected answers; for Kayla's review, request_consultation with the plan_url. No email or account needed. Costs real money on our side, so call it once per shopper, after the facts are gathered.	Build the shopper's whole-kitchen (or bath) Hardware Plan: one line per zone (doors, drawers by width, island, tall, appliance panels) with the exact Knobs.co product, finish, size, count and list price, totals, the pieces that qualify as samples, and what is still unconfirmed. Use it once the shopper has given counts, drilling (existing holes or fresh), finish, style and a budget; include products they liked from search_catalog as candidates. The plan is saved for 90 days at the returned plan_url, where the shopper can see it and add its samples or the whole plan to their cart. To change counts, finish or products, call build_plan again with the corrected answers; for Kayla's review, request_consultation with the plan_url. No email or account needed. Costs real money on our side, so call it once per shopper, after the facts are gathered.	No	No	No	Yes
`cart_link`Turn chosen variants and quantities into a Knobs.co cart link the shopper opens to check out (the cart is pre-filled; they review it, add shipping and pay on knobs.co; nothing is ordered by this call). Variant ids come from search_catalog, get_product or build_plan. Returns the line items with list prices and the subtotal, so you can show the shopper exactly what the cart holds.	Turn chosen variants and quantities into a Knobs.co cart link the shopper opens to check out (the cart is pre-filled; they review it, add shipping and pay on knobs.co; nothing is ordered by this call). Variant ids come from search_catalog, get_product or build_plan. Returns the line items with list prices and the subtotal, so you can show the shopper exactly what the cart holds.	No	Yes	Yes	Yes
`fetch`Fetch one Knobs.co product document by id (the handle from search). Returns {id,title,text,url,metadata}.	Fetch one Knobs.co product document by id (the handle from search). Returns {id,title,text,url,metadata}.	No	Yes	Yes	Yes
`get_product`Every variant (finish, SKU, list price, variant id) of one product by its handle (from search_catalog or a knobs.co/products/<handle> URL), with sizes and description.	Every variant (finish, SKU, list price, variant id) of one product by its handle (from search_catalog or a knobs.co/products/<handle> URL), with sizes and description.	No	Yes	Yes	Yes
`request_consultation`Ask Kayla, Knobs.co's Trade Manager (twenty years in cabinet hardware), to review the shopper's plan by email within one business day, or to set up a call. Only with the shopper's email and their clear agreement to be contacted. This sends the shopper ONE email with a confirmation link; Kayla receives the request only after they click it (within 7 days), so tell the shopper to look for an email from cs@knobs.co and confirm. Include the plan_url from build_plan when there is one, and say in message what they want Kayla to do.	Ask Kayla, Knobs.co's Trade Manager (twenty years in cabinet hardware), to review the shopper's plan by email within one business day, or to set up a call. Only with the shopper's email and their clear agreement to be contacted. This sends the shopper ONE email with a confirmation link; Kayla receives the request only after they click it (within 7 days), so tell the shopper to look for an email from cs@knobs.co and confirm. Include the plan_url from build_plan when there is one, and say in message what they want Kayla to do.	No	No	No	Yes
`search`Search Knobs.co products. Returns {results:[{id,title,url}]} where id is the product handle for fetch.	Search Knobs.co products. Returns {results:[{id,title,url}]} where id is the product handle for fetch.	No	Yes	Yes	Yes
`search_catalog`Search the live Knobs.co catalog by item type, size, finish, brand or series ("5 inch pull satin nickel", "Top Knobs Lynwood", "3 inch matte black pull"). Returns up to 10 products with vendor, center-to-center size, overall length, finishes, list prices, variant ids and product URLs. Sizes and finishes in the query are matched exactly when possible, then nearest sizes.	Search the live Knobs.co catalog by item type, size, finish, brand or series ("5 inch pull satin nickel", "Top Knobs Lynwood", "3 inch matte black pull"). Returns up to 10 products with vendor, center-to-center size, overall length, finishes, list prices, variant ids and product URLs. Sizes and finishes in the query are matched exactly when possible, then nearest sizes.	No	Yes	Yes	Yes
`sizing_guide`Knobs.co's sizing rules: which pull length for which drawer width, the standard 128 mm size, knobs versus pulls, one pull or two, and how to measure existing holes. No arguments.	Knobs.co's sizing rules: which pull length for which drawer width, the standard 128 mm size, knobs versus pulls, one pull or two, and how to measure existing holes. No arguments.	No	Yes	Yes	Yes
`start_samples`Pick the pieces that qualify as samples (listed at $20 or under, under 7 inches overall, not a made-to-order line) from a plan or from given variant ids, and return a cart link with one of each plus the sample terms. Samples are bought at the normal price; after the full order the shopper emails both order numbers to orders@knobs.co and up to two samples they did not choose are credited back. Pieces that do not qualify are returned with the reason.	Pick the pieces that qualify as samples (listed at $20 or under, under 7 inches overall, not a made-to-order line) from a plan or from given variant ids, and return a cart link with one of each plus the sample terms. Samples are bought at the normal price; after the full order the shopper emails both order numbers to orders@knobs.co and up to two samples they did not choose are credited back. Pieces that do not qualify are returned with the reason.	No	Yes	Yes	Yes
`store_info`What Knobs.co is, what it sells, how to buy, samples, trade program, how to reach a person, and how this service works. No arguments.	What Knobs.co is, what it sells, how to buy, samples, trade program, how to reach a person, and how this service works. No arguments.	No	Yes	Yes	Yes

Details

Registry status: Active
Published: Nov 8, 2026
Updated: Nov 8, 2026
Website: https://knobs.co/pages/agents⁠ (opens in a new tab)
Repository: Not given
Categories (suggested): E-commerceSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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