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Cancel My Sub MCP server

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by GoodTurnStudio·io.github.GoodTurnStudio/cancelmysub·v1.3.0
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How to cancel US and UK subscriptions, the last safe day to cancel, and what a card charge is.

B80/100grade B
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Safety scan
B80/100

full report

Adoption
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If you have run it, two minutes of your experience saves the next person an afternoon.

Cancel My Sub tools (4, 3 write)

write = sends, deletes, buys or posts
  • get_cancel_reminderwrite actionFree

    Calendar reminder for the last safe day to cancel. Returns a calendar file (.ics) with an all-day event on the cancel-by day, the steps and the official link, with alerts at 9am the day before and 9am on the day. Nothing is stored. get_cancel_steps gives this link as add_to_calendar whenever renews_on is given and the day hasn't passed.

  • get_cancel_stepswrite actionFree

    How to cancel one subscription. For requests like "how do I cancel Netflix?", "cancel my Planet Fitness membership", "how do I leave Sky?", "cancel my PureGym", "what's the cheapest way to keep Spotify?", "stop my Audible". Returns the official page, steps, catches and a cheaper option. UK answers add region ("UK") and uk_rules; a US-only service asked about from the UK has region "US only".

  • identify_chargewrite actionFree

    Which subscription is this charge? For requests like "what is this APPLE.COM/BILL charge?", "I see AMZN Digital on my statement", "what is DD *DOORDASH DASHPASS?". Returns the likely service, or for Apple, Amazon, Google and Microsoft the few it could be and where to check, or match: purchase when it looks like a one-off order (marketplace, a ride, a restaurant through a delivery app). Then call get_cancel_steps.

  • list_servicesFree

    Every subscription Cancel My Sub covers. For requests like "which subscriptions can you help me cancel?" or "what gyms do you know?". Also returns the current status of the FTC click-to-cancel rule and the UK rules (uk_rules)

Public scan report

scanner v0.1.10 · 2026-10-01 · same rubric, same numbers if you re-run it

1 high
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 115ms20/20
  • Tool poisoning4 tool descriptions checked15/15
  • Auth qualityopen endpoint exposes 3 write-action tools with no auth3/15
  • Maintenancelast push 3 days ago15/15
  • Maintainer identityregistry namespace matches repository owner7/10

Findings (1)

  • highWrite-action tools reachable without authenticationauth.open-write
Overall 80/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

Install Cancel My Sub in Claude Code, Cursor or VS Code

claude mcp add --transport http cancelmysub https://goodturn-mcp.pages.dev/cancelmysub/mcp
Add to Cursor

What the publisher says

From the Cancel My Sub repository's README, as published. We do not edit it. Read it on GitHub

goodturn-mcp

Remote MCP servers for 25 free, read-only everyday helpers by Good Turn Studio: money, health, jobs, travel, shopping, halal checks, football and scripture reading. One Cloudflare Worker turns each product's public OpenAPI spec into an MCP server, so any assistant that speaks MCP (Claude, ChatGPT, Alexa+, Cursor, VS Code and others) can use them.

  • One server per product: https://goodturn-mcp.pages.dev//mcp
  • All products in one: https://goodturn-mcp.pages.dev/all/mcp (tool names start with the product slug)
  • Streamable HTTP, stateless JSON, MCP 2025-11-25 (and 2025-06-18, 2025-03-26), no sign-in
  • Every tool is read-only, with a title and annotations (readOnlyHint: true, destructiveHint: false, idempotentHint: true)
  • Nothing about the user is stored. Privacy: https://goodturn-mcp.pages.dev/privacy

Products

How it works

  • build.py reads each product's live openapi.json and writes products.js: one tool per GET operation, named from its operationId, with inputs from its parameters. Descriptions are tidied into plain tool descriptions.
  • worker.mjs is the MCP server: initialize, tools/list and tools/call, which calls the product's own API and returns its answer. Answers with a say field carry a ready-made summary.
  • servers.json lists every server for the official MCP Registry (as io.github.GoodTurnStudio/). The Publish to the MCP Registry workflow logs in with GitHub OIDC and runs publish.py; publish.ps1 does the same from Windows.

Build and test

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Cancel My Sub: common questions

Is Cancel My Sub MCP server safe?
Mostly: it is graded B (80/100). Read the Cancel My Sub safety report
How do I install Cancel My Sub?
It runs remotely at goodturn-mcp.pages.dev. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.
Does Cancel My Sub need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Cancel My Sub maintained?
The last commit was 15 days ago (2026-09-28). The latest release is v1.3.0.
Is Cancel My Sub up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.

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