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Launch529: 529 plans and college costs

by launch529.com · remote · no sign-in to list tools · v1.0.0 · published by com.launch529

Compare state 529 plans, look up college costs and check qualified 529 expenses. Free, no key.

Changes · 2
CompareRegistry entry

7 tools: 2 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 open-data https://launch529.com/api/public/mcp

Tools

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

7 tools

Changes things 2Claude Code: ask
  • check_expenseSay whether a college expense is a qualified 529 expense (for example 'laptop', 'off-campus rent', 'gas', 'student health insurance') with the reason, based on IRS Publication 970.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
    Say whether a college expense is a qualified 529 expense (for example 'laptop', 'off-campus rent', 'gas', 'student health insurance') with the reason, based on IRS Publication 970.

    Annotations the server declares

    • title: Check if an expense is qualified
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • estimate_college_costProject what college will cost and what to save.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
    Project what college will cost and what to save. Give a US school id and the year the student starts. Returns the projected cost per year and in total, and the monthly amount that would fully fund it from today, assuming steady returns after the plan's fees.

    Annotations the server declares

    • title: Estimate college savings needed
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
Only reads 5Claude Code: allow
  • compare_529_plansCompare two to four 529 plans side by side on fees, ratings, tax benefit, minimums and who can join.No findings

    Why it is in this group

    • The name "compare_529_plans" says "compare": a word for reading.
    Description, as the server wrote it
    Compare two to four 529 plans side by side on fees, ratings, tax benefit, minimums and who can join.

    Annotations the server declares

    • title: Compare 529 plans
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • get_529_planEverything we know about one 529 plan: fees, minimums, investment options, ratings, state tax benefit, restrictions and features.No findings

    Why it is in this group

    • The name "get_529_plan" says "get": a word for reading.
    Description, as the server wrote it
    Everything we know about one 529 plan: fees, minimums, investment options, ratings, state tax benefit, restrictions and features. Use the slug from list_529_plans, or the plan's name.

    Annotations the server declares

    • title: Get a 529 plan
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • get_schoolDetails for one US school by id: current sticker price, average net price, net price by family income, cost history since 2005, graduation rate and median earnings.No findings

    Why it is in this group

    • The name "get_school" says "get": a word for reading.
    Description, as the server wrote it
    Details for one US school by id: current sticker price, average net price, net price by family income, cost history since 2005, graduation rate and median earnings. Get the id from search_schools.

    Annotations the server declares

    • title: Get college costs
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • list_529_plansList state 529 savings plans, ranked by popularity and ratings, with fees, Morningstar and Saving For College ratings, state tax benefit and whether residents of other states can j…No findings

    Why it is in this group

    • The name "list_529_plans" says "list": a word for reading.
    Description, as the server wrote it
    List state 529 savings plans, ranked by popularity and ratings, with fees, Morningstar and Saving For College ratings, state tax benefit and whether residents of other states can join. Filter by state, by plans anyone can open, by maximum yearly fee, or by minimum rating.

    Annotations the server declares

    • title: List state 529 plans
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • openWorldHint: false
  • search_schoolsFind colleges and universities by name, in the US and 529-eligible schools abroad.No findings

    Why it is in this group

    • The name "search_schools" says "search": a word for reading.
    Description, as the server wrote it
    Find colleges and universities by name, in the US and 529-eligible schools abroad. Returns each school's id, location and annual published costs (tuition, room and board, books). Use get_school with the id for cost history and net price.

    Annotations the server declares

    • title: Search colleges
    • readOnlyHint: true
    • destructiveHint: false
    • idempotentHint: true
    • 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 open-data https://launch529.com/api/public/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__open-data__search_schools",
      "mcp__open-data__get_school",
      "mcp__open-data__list_529_plans",
      "mcp__open-data__get_529_plan",
      "mcp__open-data__compare_529_plans"
    ],
    "ask": [
      "mcp__open-data__estimate_college_cost",
      "mcp__open-data__check_expense"
    ],
    "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 open-data. Review it before you use it.