Claude + MCP
Use The Apothecary Os inside Claude.
The first formulation OS built for melanated skin and hair is also a conversational formulator. Connect Claude Desktop once and get 21 AI-assistant capabilities — ingredient intelligence, builders, calculators and safety checks — inside every chat.
What is MCP?
MCP (Model Context Protocol) is the open standard Claude uses to talk to outside tools. Point Claude at our MCP URL and it can call the same builders and databases you use on this site — with real formulation math, not made-up numbers.
Your MCP server URL
Copy this into Claude Desktop.
https://theapothecaryos.com/mcpConnect in 4 steps
- 1. Open Claude Desktop → Settings.
- 2. Go to Connectors (or Developer → MCP Servers).
- 3. Click Add custom connector and paste
https://theapothecaryos.com/mcp. - 4. Sign in with your Apothecary Os account when Claude prompts you. Done.
Try these prompts
- "Build me a body butter for high-porosity 4c hair, 100g batch, in kitchen measures."
- "Give me a hydroquinone-free PIH protocol for Fitzpatrick VI, pregnancy-safe."
- "Can I stack niacinamide with tetrahexyldecyl ascorbate? What pH?"
- "What's the IFRA-safe % of lavender EO in a leave-on face cream?"
- "Recommend humectants that don't backfire in low-dew-point winter air."
- "Convert 42g of shea butter to tablespoons."
21 AI-assistant capabilities
Every tool is read-only and safe — Claude can't modify your saved formulas or account.
- search_ingredients
- get_ingredient
- list_ingredients_by_category
- list_formulas
- get_formula
- build_formula
- convert_to_kitchen_measure
- search_preservatives
- search_emulsifiers
- get_comedogenic_rating
- get_eo_safety_limit
- check_active_compatibility
- search_allergens
- get_inci_name
- get_hair_porosity_profile
- get_scalp_condition_guide
- search_proteins
- search_humectants
- recommend_ingredients_for_condition
- calculate_hlb
- list_actives
See what each one does on the tools page.