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Percolate

by bguillow-rgb · remote · local (npm) · no sign-in to list tools · v1.0.2 · published by GitHub user bguillow-rgb

Search the Percolate specialty coffee database: 1,100+ coffees with brew recipes and pairings.

Changes · 3
CompareRegistry entry

8 tools: 3 change things and 5 only read.

Scanned Oct 21, 2026

No check matched anything in the tool definitions. No finding is not a safety guarantee. How the checks work.

claude mcp add --transport http percolate https://mcp.percolateapp.com/?src=registry

Tools

Open a tool for its reasons and full description. Descriptions are the publisher's own words, shown as they are.

8 tools

Changes things 3Claude Code: ask
  • dial_in_suggestionBrew guidance for a specific coffee: curated recipes from the Percolate catalog (ratio, temperature, grind) when available, or a roast-based starting point.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    Brew guidance for a specific coffee: curated recipes from the Percolate catalog (ratio, temperature, grind) when available, or a roast-based starting point. Optionally scoped to your brew method.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
    • title: Dial in this coffee
  • what_to_brewA coffee suggestion for right now, based on time of day (evening picks lean decaf), mood, and the brew method you're using — scored over Percolate's tasting profiles.No findings

    Why it is in this group

    • Nothing in its name or description says what it does, so it is counted as a write.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.
    Description, as the server wrote it
    A coffee suggestion for right now, based on time of day (evening picks lean decaf), mood, and the brew method you're using — scored over Percolate's tasting profiles.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
    • title: What should I brew?
Only reads 5Claude Code: allow
  • compare_coffeesSide-by-side comparison: roast, body/acidity/sweetness, shared and distinct flavors, brew methods, and price difference.No findings

    Why it is in this group

    • The name "compare_coffees" says "compare": a word for reading.
    Description, as the server wrote it
    Side-by-side comparison: roast, body/acidity/sweetness, shared and distinct flavors, brew methods, and price difference.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
    • title: Compare two coffees
  • find_similarCoffees with a similar profile to a given one, ranked by shared flavor notes and roast/body/acidity/sweetness proximity.No findings

    Why it is in this group

    • The name "find_similar" says "find": a word for reading.
    Description, as the server wrote it
    Coffees with a similar profile to a given one, ranked by shared flavor notes and roast/body/acidity/sweetness proximity. Deterministic scoring over Percolate's structured tasting data.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
    • title: Find similar coffees
  • get_coffeeDetailed record for one coffee: roast level, body/acidity/sweetness profile, flavor notes, suited brew methods, food and brew pairings, price, and retailer names with prices (no pu…No findings

    Why it is in this group

    • The name "get_coffee" says "get": a word for reading.
    Description, as the server wrote it
    Detailed record for one coffee: roast level, body/acidity/sweetness profile, flavor notes, suited brew methods, food and brew pairings, price, and retailer names with prices (no purchase links). Accepts a Percolate id or a name.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
    • title: Get coffee details
  • get_recommendationsPersonalized coffee picks from flavor preferences (e.g.No findings

    Why it is in this group

    • The name "get_recommendations" says "get": a word for reading.
    Description, as the server wrote it
    Personalized coffee picks from flavor preferences (e.g. 'chocolate', 'berry', 'caramel'), a budget in USD, roast preference, and the brew gear you own.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
    • title: Get personalized recommendations
  • search_coffeesSearch 1,100+ curated specialty coffees in the Percolate database.No findings

    Why it is in this group

    • The name "search_coffees" says "search": a word for reading.
    Description, as the server wrote it
    Search 1,100+ curated specialty coffees in the Percolate database. Filter by category (espresso, single_origin, blend, decaf, dark), roast level, brew method, and price (USD). Returns tasting profiles, brew methods, and retailer names with prices (no purchase links).

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
    • title: Search the Percolate catalog

This is not a safety rating, and no finding is not a safety guarantee. The groups and findings come from fixed checks of the tool definitions the server returned on the date shown, not from its code or what it does when called. How the checks work.

Install

Pinned to version 1.0.2. Values in angle brackets are yours to fill in.

claude mcp add --transport http percolate https://mcp.percolateapp.com/?src=registry

Run in a terminal.

Claude Code permissions

Allow the reads, ask before a change, deny the deletes. Paste into .claude/settings.json.

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__percolate__search_coffees",
      "mcp__percolate__get_coffee",
      "mcp__percolate__find_similar",
      "mcp__percolate__get_recommendations",
      "mcp__percolate__compare_coffees"
    ],
    "ask": [
      "mcp__percolate__trending_coffees",
      "mcp__percolate__dial_in_suggestion",
      "mcp__percolate__what_to_brew"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. It assumes the server is installed as percolate. Review it before you use it.