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RemoveDuplicates.org MCP server

online · 100% uptime
by removeduplicates.org·org.removeduplicates/remove-duplicates·v1.0.1
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Remove duplicate lines or CSV/TSV rows from text. Stateless: processed per call, never stored.

B77/100grade B
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Safety scan
B77/100

full report

Adoption
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0 stars

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RemoveDuplicates.org tools (1, 1 write)

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

    Remove duplicate lines from a text list, or duplicate rows from CSV/TSV text such as rows copied from Excel or Google Sheets. Uses the same engine as removeduplicates.org and returns the cleaned text with counts. Stateless: the text is processed in memory for this call only and is never stored.

Public scan report

scanner v0.1.10 · 2026-11-03 · same rubric, same numbers if you re-run it

1 high
  • –Code scanremote-only server, no package to scann/a
  • Live reliabilityremote reachable in 586ms20/20
  • Tool poisoning1 tool descriptions checked15/15
  • Auth qualityopen endpoint exposes 1 write-action tools with no auth3/15
  • Maintenancelast push 40 days ago12/15
  • Maintainer identityendpoint served from the registry-verified namespace domain8/10

Findings (1)

  • highWrite-action tools reachable without authenticationauth.open-write
Overall 77/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How RemoveDuplicates.org compares

Against every graded MCP server, from our own scans and uptime checks. Updated after each scan run.

Safety score
77/100
higher than 50% of 48,255 servers
Tools
1
the typical server has 7
Tools that change things
100%
typical: 0%. Fewer write tools means less an agent can break
Uptime
100%
of our recent checks; the typical remote server answers 100%
Response time
76 ms
faster than 88% of 30,031 servers

What its tools let an agent do: 1 delete

Release history: 2 versions in the registry since 2026-09-23, latest 2026-09-24, typically one every 1 day.

Install RemoveDuplicates.org in Claude Code, Cursor or VS Code

claude mcp add --transport http remove-duplicates https://removeduplicates.org/mcp
Add to Cursor

What the publisher says

From the RemoveDuplicates.org repository's README, as published. We do not edit it. Read it on GitHub

removeduplicates.org

A focused static tool for removing duplicates from lines, lists, pasted spreadsheet data, CSV files, and local XLSX workbooks, deployed as a Cloudflare Worker with Static Assets.

Links:

  • Website: RemoveDuplicates.org
  • Excel tool: Remove duplicates from Excel online
  • Source code: describesomeone/remove-duplicates

License: MIT

Product boundary

  • Line and table-aware deduplication runs in browser memory; larger inputs are streamed to a same-origin Web Worker in responsive chunks.
  • Excel and Google Sheets rows can be pasted as TSV, while quoted CSV/TSV files can be opened up to the same 5 MB local limit.
  • The Excel tool accepts only macro-free .xlsx files, compares an entire row or a stable combination of selected columns, and creates the cleaned workbook in a dedicated Module Worker.
  • XLSX package limits are 10 MiB compressed, 2,000 ZIP entries, 100 MiB declared expanded data, 500,000 workbook cells, and 250,000 cells in the selected sheet. Formula row shifts and intersecting merged ranges are blocked.
  • SheetJS CE 0.20.3 is pinned under public/vendor/sheetjs-0.20.3/ with its official source URLs, license, and SHA-256 receipt. It is lazy-loaded only after a valid XLSX passes local ZIP preflight and is never requested by the homepage.
  • The application does not upload or persist text or workbook contents a user opens.
  • No account, database, analytics, advertising, external font, or third-party browser runtime is included.
  • Cloudflare still processes ordinary HTTP metadata needed to deliver and protect the site; the Privacy copy states this boundary directly.
  • Terms and Privacy are real direct pages, enhanced into an in-page dialog when JavaScript is available.

Commands

npm run check npm test npm run verify npm run preview npm run qa:browser npm run benchmark:xlsx npm run check:http npm run deploy

Runtime preview, the XLSX benchmark, browser QA, downloaded-file readback, and Lighthouse belong on OpenClaw. Port 3630 is reserved for the managed preview. Deployment uses the project-scoped Cloudflare wrapper one directory above; credentials never live in this project.

Repository hygiene

  • Runtime artifacts stay out of Git: output/, .codex-results/, .wrangler/, logs, and .DS_Store.
  • Secret-bearing files stay out of Git: .env, local.env.txt, and .env.txt; only placeholder templates such as .env.example may be committed.
  • Local planning and provider evidence stay out of Git: EXCELPLAN.md, IMPROVEMENTPLAN.md, PROJECTSTATE.md, UTILITYBASELINE.md, and ops/.
  • public/vendor/sheetjs-0.20.3/ is intentionally vendored with its upstream license, source receipt, and SHA-256 checks.

Cloudflare shape

  • Worker: removeduplicates-org
  • Static assets: public/
  • Worker entry point: src/worker.js
  • Static asset binding: ASSETS, with runworkerfirst: true
  • Live Workers.dev staging URL: https://removeduplicates-org.whatmyname.workers.dev/
  • Canonical production domain: https://removeduplicates.org/
  • Redirecting production alias: https://www.removeduplicates.org/

The Worker owns /excel, direct legal routes, public HTTP-to-HTTPS and canonical-host redirects, method handling, branded 404s, cache policy, HSTS, a hash-pinned CSP, and Workers.dev noindex protection. Excel path case and trailing-slash variants canonicalize to /excel in the same one-hop redirect as scheme or host changes. The Worker accepts only GET and HEAD.

Production release

The active Cloudflare Zone and wrangler.jsonc contain exactly these two custom_domain routes:

  1. removeduplicates.org
  2. www.removeduplicates.org

Shortened. The full README is on GitHub.

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

Grade history

  • 2026-11-03restoreC → Bscore 77: Write-action tools reachable without authentication

RemoveDuplicates.org: common questions

Is RemoveDuplicates.org MCP server safe?
Mostly: it is graded B (77/100). Read the RemoveDuplicates.org safety report
How do I install RemoveDuplicates.org?
It runs remotely at removeduplicates.org. 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 RemoveDuplicates.org need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is RemoveDuplicates.org maintained?
The last commit was 41 days ago (2026-09-24). The latest release is v1.0.1.
Is RemoveDuplicates.org up?
100% of our last 28 checks got an answer. We check remote servers about four times a day.
How does RemoveDuplicates.org compare with other MCP servers?
safety score 77/100 (higher than 50% of 48,255 servers); tools 1 (the typical server has 7); tools that change things 100% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.