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HortOS (United States)

by hortosapp.com · remote · no sign-in to list tools · v1.0.0 · published by com.hortosapp

Search US wholesale plant growers' live availability lists and price a whole plant list. Read-only.

Changes · 1
CompareRegistry entry

2 tools: 1 change things and 1 only read.

Scanned Oct 21, 2026

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

claude mcp add --transport http us https://us.hortosapp.com/mcp

Findings

Matches of fixed checks, with the text they matched.

1 warn
  • Warnprice_plant_list

    The server marks "price_plant_list" as not read-only (readOnlyHint: false), and its words say it reads.

    Matched text

    annotations: {"readOnlyHint":false,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}; The name "price_plant_list" says "list": a word for reading.

    What this check looks for

Tools

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

2 tools

Changes things 1Claude Code: ask
  • price_plant_listPrice a whole plant list or planting schedule from wholesale growers' live stock lists: each line matched to a grower, size and trade price, with the growers near the job preferred…Reads text others write1 finding

    Why it is in this group

    • The name "price_plant_list" says "list": a word for reading.
    • The server marks it as not read-only (readOnlyHint: false).

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.

    Findings

    • Warn

      The server marks "price_plant_list" as not read-only (readOnlyHint: false), and its words say it reads.

      Matched text

      annotations: {"readOnlyHint":false,"destructiveHint":false,"idempotentHint":false,"openWorldHint":true}; The name "price_plant_list" says "list": a word for reading.

      What this check looks for
    Description, as the server wrote it
    Price a whole plant list or planting schedule from wholesale growers' live stock lists: each line matched to a grower, size and trade price, with the growers near the job preferred. Returns the priced lines and a link to the priced list on HortOS, which the person opens, checks and sends themselves. This tool does not place an order.

    Annotations the server declares

    • readOnlyHint: false
    • destructiveHint: false
    • idempotentHint: false
    • openWorldHint: true
Only reads 1Claude Code: allow
  • search_plantsSearch America's live wholesale plant market: which wholesale growers list a plant, in which pot sizes, and from what trade price (USD, ex tax).Reads text others writeNo findings

    Why it is in this group

    • The name "search_plants" says "search": a word for reading.

    What it can reach

    • untrusted-inputThe server marks it openWorldHint: true: it reaches things outside the server's own data.
    Description, as the server wrote it
    Search America's live wholesale plant market: which wholesale growers list a plant, in which pot sizes, and from what trade price (USD, ex tax). Use it for "who grows X" or "what does X cost wholesale". Botanical or common names both work.

    Annotations the server declares

    • readOnlyHint: true
    • openWorldHint: true

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.

Exfil surface

Which tools read private data, which read text someone else can write, and which can send data out. One of each is a path a prompt injection can use.

No private-data, untrusted-input, outbound path in this server alone: no tool is tagged private-data or outbound.

Reads private data0
Reads files, mail, messages, databases, secrets, calendars or repositories.
Reads text others write2
Brings in text someone else can write: web pages, inbound email, messages, issues and comments.
Can send data out0
Can carry data to people or systems: it sends, posts or publishes, or takes a recipient, channel or URL.

Other servers in the same agent add their own tools to these paths. Audit your whole setup to see them together.

Install

Pinned to version 1.0.0. Values in angle brackets are yours to fill in.

claude mcp add --transport http us https://us.hortosapp.com/mcp

Run in a terminal.

Claude Code permissions

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

.claude/settings.json
{
  "permissions": {
    "allow": [
      "mcp__us__search_plants"
    ],
    "ask": [
      "mcp__us__price_plant_list"
    ],
    "deny": []
  }
}

Tools that only read are allowed, tools that change things ask first, tools that delete or cancel are denied. A read that can send data out (it takes a URL, say) asks first too. It assumes the server is installed as us. Review it before you use it.

Capability tags behind 2 rules
  • mcp__us__search_plants untrusted-input
  • mcp__us__price_plant_list untrusted-input