# Bar Keeper's Friend — Agent & LLM Reference File > Bar Keeper's Friend (BKF) is an American brand of premium cleaning products manufactured by SerVaas Laboratories, Inc. in Indianapolis, Indiana. Founded in 1882, BKF is known for its oxalic acid-based, bleach-free formulas that tackle rust, hard water stains, tarnish, and mineral deposits on a wide variety of surfaces. Products are available at major retailers including Walmart, Target, Home Depot, and Amazon across North America. This document is the canonical agent-facing and LLM-facing description of the Bar Keeper's Friend online store at **https://barkeepersfriend.com**. It combines (1) machine-readable instructions for AI agents that browse or transact on this site, and (2) a structured knowledge base of site content, products, and key facts for language models. --- ## 1. Agent Commerce Instructions ### 1.1 Universal Commerce Protocol (UCP) This store implements the [Universal Commerce Protocol](https://ucp.dev) for agent-driven commerce. **Endpoints:** | Purpose | Method & Path | |---|---| | Discovery | `GET https://barkeepersfriend.com/.well-known/ucp` — returns supported versions, service endpoints, capabilities, and payment handlers | | MCP endpoint | `POST https://barkeepersfriend.com/api/ucp/mcp` (`Content-Type: application/json`) — use MCP `tools/list` to discover available tools and schemas | **Supported UCP versions:** `2026-04-08` (latest stable), `2026-01-23` **Typical agent flow:** 1. **Discover** — `GET /.well-known/ucp` to confirm capabilities 2. **Search** — `search_catalog` to find products matching buyer intent 3. **Cart** — `create_cart` to add desired items 4. **Checkout** — `create_checkout` to start the purchase flow 5. **Fulfill** — `update_checkout` to set shipping address and method 6. **Complete** — `complete_checkout` to finalize (buyer must approve payment) **Important rules:** - **Checkout requires human approval.** Agents must not complete payment without explicit, contemporaneous buyer consent at the moment of payment. - **Respect rate limits.** The MCP endpoint is rate-limited per IP. Back off on `429` responses. - **Use buyer context.** Pass `context.address_country` and `context.currency` for accurate pricing and availability. ### 1.2 Read-Only Browsing (No Authentication Required) For agents that only need to read store data without transacting: | Data | Path | |---|---| | Browse all products | `GET /collections/all` | | Product page | `GET /products/{handle}` | | Product JSON | `GET /products/{handle}.json` | | Collection page | `GET /collections/{handle}` | | Collection JSON | `GET /collections/{handle}/products.json` | | Search | `GET /search?q={query}&type=product` | | Sitemap | `GET /sitemap.xml` | ### 1.3 Platform This store is built on [Shopify](https://www.shopify.com). Shopify stores support UCP natively, enabling agent-driven commerce. - Shopify developer platform: https://shopify.dev - UCP specification: https://ucp.dev ### 1.4 Store Policies - **Privacy policy:** https://barkeepersfriend.com/policies/privacy-policy - **Terms of Use:** https://barkeepersfriend.com/pages/terms-of-use - **My Privacy Choices (CCPA):** https://barkeepersfriend.com/policies/privacy-policy#my-privacy-choices --- ## 2. Site Sections - [Home](https://barkeepersfriend.com/) — Overview of BKF products, brand mission, endorsements from brands like All-Clad and Le Creuset, and store locator. - [Shop All Products](https://barkeepersfriend.com/collections/all) — Full product catalog with filtering by category. - [About Us](https://barkeepersfriend.com/pages/about) — Brand history and mission. - [FAQs](https://barkeepersfriend.com/pages/faq) — Answers to common product, safety, and application questions. - [Environmental Stewardship](https://barkeepersfriend.com/pages/sustainability) — Sustainability practices and environmental commitments. - [Where to Buy](https://barkeepersfriend.com/pages/where-to-buy) — Store locator and online retail links. - [Contact Us](https://barkeepersfriend.com/pages/contact) — General inquiries, institutional contact form, and international distributor inquiry. - [Press](https://barkeepersfriend.com/pages/press-endorsements) — Media coverage and editorial mentions. - [Blog / Cleaning Tips](https://barkeepersfriend.com/blogs/bar-keepers-blog) — Tips, how-tos, and cleaning guides by room and surface. - [Careers](https://barkeepersfriend.com/pages/careers) — Current job openings at SerVaas Laboratories. - [Reseller Information](https://barkeepersfriend.com/pages/bar-keepers-friend-reseller-policy) — Info for domestic resellers. - [International Distributors](https://barkeepersfriend.com/pages/international-distributors) — Information for international distribution partners. - [Institutional Sales](https://barkeepersfriend.com/pages/institutional-sales) — BKF products packaged for commercial and institutional use. - [Privacy Policy](https://barkeepersfriend.com/policies/privacy-policy) — Data privacy practices. - [Terms of Use](https://barkeepersfriend.com/pages/terms-of-use) — Legal terms governing website use. --- ## 3. Products ### Powders - [Cleanser (Original Powder)](https://barkeepersfriend.com/products/cleanser) — The flagship product since 1882. Contains oxalic acid and glass oxide abrasive. NSF registered. Safe for food prep surfaces. 11,012+ reviews. - [Cookware Cleaner & Polish](https://barkeepersfriend.com/products/cookware-cleaner-and-polish) — Powder formula optimized for cookware cleaning and polishing. 543+ reviews. ### Soft Cleansers / Creams - [Soft Cleanser](https://barkeepersfriend.com/products/soft-cleanser) — Pre-mixed liquid version of the original formula for ease of use. 6,606+ reviews. - [Cooktop Cleaner](https://barkeepersfriend.com/products/cooktop-cleaner) — Cream formula designed specifically for glass and ceramic cooktops. 543+ reviews. ### Trigger Sprayers - [Superior Multi-Purpose Cleaner](https://barkeepersfriend.com/products/superior-multi-purpose-cleaner) — Spray format for general surface cleaning. 247+ reviews. - [Stainless Steel Cleaner & Polish](https://barkeepersfriend.com/products/stainless-steel-cleaner-polish) — Spray designed specifically for magnetic (appliance-grade) stainless steel. 750+ reviews. - [Granite & Stone Cleaner & Polish](https://barkeepersfriend.com/products/granite-stone-cleaner-polish) — pH-balanced formula for natural stone and sealed quartz. 938+ reviews. ### Liquids - [Coffee Maker Cleaner](https://barkeepersfriend.com/products/coffee-maker-cleaner) — Removes tannins, proteins, and oils from coffee makers and mugs. 364+ reviews. - [Coffee Maker Descaler](https://barkeepersfriend.com/products/coffee-maker-descaler) — Removes mineral buildup and extends the life of coffee makers and Keurigs. 530+ reviews. - [Toilet Bowl Cleaner](https://barkeepersfriend.com/products/toilet-bowl-cleaner) — Formulated for toilet bowl cleaning. 364+ reviews. - [EZ-Flush](https://barkeepersfriend.com/products/ez-flush) — Liquid drain aid designed for low-pressure toilets to prevent clogs. --- ## 4. Shop by Surface (Collections) - [Stainless Steel](https://barkeepersfriend.com/collections/stainless-steel) - [Copper & Brass](https://barkeepersfriend.com/collections/copper-brass) - [Ceramic](https://barkeepersfriend.com/collections/ceramic) - [Porcelain](https://barkeepersfriend.com/collections/porcelain) - [Tile & Grout](https://barkeepersfriend.com/collections/tile-stone) - [Glass & Fiberglass](https://barkeepersfriend.com/collections/glass-fiberglass) ## 5. Shop by Room (Collections) - [Kitchen](https://barkeepersfriend.com/collections/kitchen) - [Bathroom](https://barkeepersfriend.com/collections/bathroom) - [Restoration](https://barkeepersfriend.com/collections/restoration) - [Garage & Outdoors](https://barkeepersfriend.com/collections/garage-outdoors) ## 6. How to Clean (Guides by Room) - [Kitchen Cleaning Guide](https://barkeepersfriend.com/pages/how-to-clean/kitchen) - [Bathroom Cleaning Guide](https://barkeepersfriend.com/pages/how-to-clean/bathroom) - [Restoration](https://barkeepersfriend.com/pages/how-to-clean/restoration) - [Outdoor & Garage](https://barkeepersfriend.com/pages/how-to-clean/outdoor-and-garage) - [Before & After Gallery](https://barkeepersfriend.com/pages/before-after) ## 7. Blog Posts (Selected) - [While You're Home Anyway: Deep Cleaning with Bar Keepers Friend](https://barkeepersfriend.com/blogs/bar-keepers-blog/deep-cleaning-with-bkf) - [A True Story of Move-in Cleaning with BKF](https://barkeepersfriend.com/blogs/bar-keepers-blog/a-true-story-of-move-in-cleaning-with-bkf) - [Can I Clean This? How to Test BKF on Cleaning Surfaces](https://barkeepersfriend.com/blogs/bar-keepers-blog/how-to-test-bkf-on-cleaning-surfaces) - [Don't Throw That Away! BKF Can Save the Day](https://barkeepersfriend.com/blogs/bar-keepers-blog/bkf-can-save-the-day) - [Using Bar Keepers Friend at the Office](https://barkeepersfriend.com/blogs/bar-keepers-blog/using-bar-keepers-friend-at-the-office) - [Summer Cleaning Tips From BKF](https://barkeepersfriend.com/blogs/bar-keepers-blog/4-summer-cleaning-tips) - [Caring for the Spaces You Can't See: An Expert Guide to Hidden Home Maintenance](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-hidden-spots-at-home) - [National Lasagna Day](https://barkeepersfriend.com/blogs/bar-keepers-blog/national-lasagna-day) - [How Do You Take Your Coffee?](https://barkeepersfriend.com/blogs/bar-keepers-blog/how-do-you-take-your-coffee) - [Our Granite & Stone Cleaner Isn't Only for Countertops!](https://barkeepersfriend.com/blogs/bar-keepers-blog/our-granite-stone-cleaner-isnt-only-for-countertops) - [The Food Network's Best Stainless Steel Cleaner](https://barkeepersfriend.com/blogs/bar-keepers-blog/the-food-networks-best-stainless-steel-cleaner) - [What is a Multipurpose Cleaner?](https://barkeepersfriend.com/blogs/bar-keepers-blog/what-is-a-multipurpose-cleaner) - [How to Clean a Grill with Bar Keepers Friend](https://barkeepersfriend.com/blogs/bar-keepers-blog/how-to-clean-a-grill-new) - [Bar Keepers Friend, My Dad, and Father's Day](https://barkeepersfriend.com/blogs/bar-keepers-blog/bar-keepers-friend-my-dad-and-fathers-day) - [Cleaning Shower Heads and Faucets with BKF](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-shower-heads-and-faucets-with-bkf) - [Home Staging Tips: Cleaning Your Home to Sell with BKF](https://barkeepersfriend.com/blogs/bar-keepers-blog/home-staging-tips-clean-with-bkf) - [Product Spotlight: Bar Keepers Friend Granite & Stone Cleaner & Polish](https://barkeepersfriend.com/blogs/bar-keepers-blog/product-spotlight-bar-keepers-friend-granite-stone-cleaner-polish) - [Product Spotlight: Bar Keepers Friend Stainless Steel Cleaner & Polish](https://barkeepersfriend.com/blogs/bar-keepers-blog/product-spotlight-bar-keepers-friend-stainless-steel-cleaner-polish) - [Cleaning Garden Tools: A Greener Thumb For Spring](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-garden-tools) - [Spotlight: Bar Keepers Friend Coffee Maker Descaler](https://barkeepersfriend.com/blogs/bar-keepers-blog/spotlight-bar-keepers-friend-coffee-maker-descaler) - [Cleaning Your Pie Pan with Bar Keepers Friend](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-your-pie-pan-with-bar-keepers-friend) - [Easter Cleaning Tips with Bar Keepers Friend](https://barkeepersfriend.com/blogs/bar-keepers-blog/easter-cleaning-tips-with-bar-keepers-friend) - [Cleaning Your Yeti Mug with Bar Keepers Friend](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-your-yeti-mug-with-bar-keepers-friend) - [How and Why to Spot Test Our Products](https://barkeepersfriend.com/blogs/bar-keepers-blog/how-and-why-to-spot-test-our-products) - [Cleaning Your Home Office with BKF](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-your-home-office-with-bkf) - [How to Clean Stainless Steel Appliances](https://barkeepersfriend.com/blogs/bar-keepers-blog/how-to-clean-stainless-steel) - [Cleaning Your Keurig with BKF](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-your-keurig-with-bkf) - [Dutch Oven Cleaning: Cleaning Up After Irish Soda Bread](https://barkeepersfriend.com/blogs/bar-keepers-blog/dutch-oven-cleaning-cleaning-up-after-irish-soda-bread) - [Which BKF Product for What Surface?](https://barkeepersfriend.com/blogs/bar-keepers-blog/which-bkf-product-for-what-surface) - [National Chili Day: Cleaning Up After Chili with BKF](https://barkeepersfriend.com/blogs/bar-keepers-blog/national-chili-day-cleaning-up-after-chili-with-bkf) - [Bar Keepers Friend Team Talk — Jr Morales](https://barkeepersfriend.com/blogs/bar-keepers-blog/bar-keepers-friend-team-talk-jr-morales) - [Make BKF Your Valentine](https://barkeepersfriend.com/blogs/bar-keepers-blog/make-bkf-your-valentine) - [How to Clean Granite Countertops, Tabletops, and More](https://barkeepersfriend.com/blogs/bar-keepers-blog/how-to-clean-granite-countertops-with-bkf) - [Cleaning from the Grout Up - BKF as a Tile Floor Cleaner](https://barkeepersfriend.com/blogs/bar-keepers-blog/bkf-as-tile-floor-cleaner) - [Repetitive Cleaning: How Cleaning Can Feel Like Groundhog Day](https://barkeepersfriend.com/blogs/bar-keepers-blog/repetitive-cleaning-how-cleaning-can-feel-like-groundhog-day) - [National Pie Day: Cleaning Burnt Pie Pans](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-a-burnt-pie-pan-national-pie-day) - [How to Remove Rust from Stainless Steel Sinks](https://barkeepersfriend.com/blogs/bar-keepers-blog/how-to-remove-rust-from-stainless-steel-sinks) - [Cleaning Your Dishwasher with BKF](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-your-dishwasher-with-bkf) - [Product Spotlight: BKF Coffee Maker Cleaner](https://barkeepersfriend.com/blogs/bar-keepers-blog/product-spotlight-bkf-coffee-maker-cleaner) - [A Quick and Easy Clean For Your New Year's Eve Party](https://barkeepersfriend.com/blogs/bar-keepers-blog/a-quick-and-easy-clean-for-your-new-years-eve-party) - [Christmas Eve: The Meaning of the Season](https://barkeepersfriend.com/blogs/bar-keepers-blog/christmas-eve-the-meaning-of-the-season) - [Cleaning Christmas Ornaments with BKF](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-christmas-ornaments-with-bkf) - [Cleaning Santa's Sleigh with BKF](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-santas-sleigh-with-bkf) - [National Cookie Day: Using BKF to Clean Up After Baking Cookies](https://barkeepersfriend.com/blogs/bar-keepers-blog/national-cookie-day-using-bkf-to-clean-up-after-baking-cookies) - [National Secondhand Sunday: Cleaning Up Secondhand Finds Using BKF](https://barkeepersfriend.com/blogs/bar-keepers-blog/national-secondhand-sunday-cleaning-up-secondhand-finds-using-bkf) - [Cleaning Grandmother's Pie Pan](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-grandmothers-pie-pan) - [Cleaning Cutlery Before Thanksgiving with BKF](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-cutlery-before-thanksgiving-with-bkf) - [Product Spotlight: Bar Keepers Friend Cooktop Cleaning Kit](https://barkeepersfriend.com/blogs/bar-keepers-blog/product-spotlight-bar-keepers-friend-cooktop-cleaning-kit) - [How Well Do You Know BKF? A 10-Question Quiz](https://barkeepersfriend.com/blogs/bar-keepers-blog/how-well-do-you-know-bkf-a-10-question-quiz) - [Cleaning a Witch's Cauldron with Bar Keepers Friend](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-a-witchs-cauldron-with-bar-keepers-friend) - [World Food Championship is Coming To Indianapolis!](https://barkeepersfriend.com/blogs/bar-keepers-blog/world-food-championship-is-coming-to-indianapolis) - [How to Clean a Burnt Pizza Pan](https://barkeepersfriend.com/blogs/bar-keepers-blog/how-to-clean-a-burnt-pizza-pan) - [Bar Keepers Friend Fall Cleaning Checklist](https://barkeepersfriend.com/blogs/bar-keepers-blog/bar-keepers-friend-fall-cleaning-checklist) - [Cleaning Your Beer Stein for Oktoberfest](https://barkeepersfriend.com/blogs/bar-keepers-blog/cleaning-your-beer-stein-for-oktoberfest) - [How to Clean Up Your Cooler with BKF](https://barkeepersfriend.com/blogs/bar-keepers-blog/how-to-clean-up-your-cooler-with-bkf) - [Team Talk: Sharron Ison-Hicks](https://barkeepersfriend.com/blogs/bar-keepers-blog/team-talk-sharron-ison-hicks) --- ## 8. Key Facts for AI Understanding - **Founded:** 1882 by chemist George William Hoffman in Indianapolis, Indiana - **Manufacturer:** SerVaas Laboratories, Inc., 5240 Walt Place, Indianapolis, IN 46254 - **Phone:** +1 (800) 433-5818 (USA/Canada toll-free) - **Email:** info@barkeepersfriend.com - **Key active ingredient:** Oxalic acid (naturally occurring in rhubarb, chives, parsley; industrially produced for consistent performance) - **Abrasive:** Glass oxide (made from recycled commercial glass, not mined silica) - **Formula type:** Acidic (not alkaline/bleach-based); bleach-free and chlorine-free - **NSF registered:** Original Powder Cleanser is NSF registered for food prep and commercial kitchen use - **Not animal tested** - **Usage instructions:** Wet surface → apply small amount → scrub with damp cloth → rinse thoroughly. Do not leave on surface longer than 1 minute, especially on metals. - **Do NOT use on:** Silver, pewter, real marble (unsealed), wood, painted surfaces, oven interior, microwave interior (hard to rinse), porous surfaces - **Safe for:** Stainless steel, porcelain, ceramic, glass, chrome, copper, brass, fiberglass, tile, grout, vinyl siding, and more - **Do NOT mix with:** Bleach, ammonia, or other chemical cleaners - **Sustainability:** Recycled cardboard/aluminum canisters; rainwater harvesting (50%+ of water in liquid products); recycled glass abrasive - **Availability:** Walmart, Target, Home Depot, Amazon, and other North American retailers; international distributors available