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app.seatcanvas/seatcanvas

by seatcanvas.app · remote · no sign-in to list tools · v1.0.0 · published by app.seatcanvas

SeatCanvas MCP server: pricing, venue capacity estimates, and prefilled seating plans.

Changes · 2
CompareRegistry entry

3 tools: 2 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 seatcanvas https://www.seatcanvas.app/api/mcp

Findings

Matches of fixed checks, with the text they matched.

1 warn
  • Warnseatcanvas_create_plan

    The server marks "seatcanvas_create_plan" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

    Matched text

    annotations: {"readOnlyHint":true,"destructiveHint":false,"openWorldHint":false}; The name "seatcanvas_create_plan" says "create": a word for a change.

    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.

3 tools

Changes things 2Claude Code: ask
  • seatcanvas_create_planReturns a link to a SeatCanvas plan prefilled with a table layout for the given guest count and event type (optional venue dimensions).1 finding

    Why it is in this group

    • The name "seatcanvas_create_plan" says "create": a word for a change.
    • The server marks it read-only (readOnlyHint: true), but an annotation never lowers a class.

    Findings

    • Warn

      The server marks "seatcanvas_create_plan" read-only (readOnlyHint: true), and its own name, description or input give the class "write".

      Matched text

      annotations: {"readOnlyHint":true,"destructiveHint":false,"openWorldHint":false}; The name "seatcanvas_create_plan" says "create": a word for a change.

      What this check looks for
    Description, as the server wrote it
    Returns a link to a SeatCanvas plan prefilled with a table layout for the given guest count and event type (optional venue dimensions). Opening the link seeds the canvas; nothing is saved until the user signs in. Read-only; deterministic.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • openWorldHint: false
  • seatcanvas_estimate_capacityEstimates how many guests a venue of the given width and height can seat at a chosen table type, and returns a link to a prefilled SeatCanvas plan.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
    Estimates how many guests a venue of the given width and height can seat at a chosen table type, and returns a link to a prefilled SeatCanvas plan. Read-only; deterministic.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • openWorldHint: false
Only reads 1Claude Code: allow
  • seatcanvas_get_pricingReturns SeatCanvas pricing: the free-tier seated-guest limit and the one-time Event Pass price.No findings

    Why it is in this group

    • The name "seatcanvas_get_pricing" says "get": a word for reading.
    Description, as the server wrote it
    Returns SeatCanvas pricing: the free-tier seated-guest limit and the one-time Event Pass price. Read-only; no inputs required beyond an optional response locale.

    Annotations the server declares

    • readOnlyHint: true
    • destructiveHint: false
    • openWorldHint: false

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

claude mcp add --transport http seatcanvas https://www.seatcanvas.app/api/mcp

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__seatcanvas__seatcanvas_get_pricing"
    ],
    "ask": [
      "mcp__seatcanvas__seatcanvas_estimate_capacity",
      "mcp__seatcanvas__seatcanvas_create_plan"
    ],
    "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 seatcanvas. Review it before you use it.