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Rustpad MCP Server

by ni-c·io.github.ni-c/rustpad-mcp·v0.4.0
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MCP server for Rustpad, the self-hosted collaborative text editor

A92/100grade A
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Safety scan
A92/100

full report

Adoption
Growing

0 stars40 downloads/wk

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

Rustpad MCP Server tools (8, 1 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • append_to_document

    Appends text to the end of a pad, leaving everything else —

  • create_documentwrite action

    Creates a pad, optionally with initial content and an editor

  • get_document

    Reads the current plain-text content of a pad. …

  • get_document_info

    Fetches metadata about a pad over the collaboration socket: content

  • get_stats

    Reads the Rustpad server statistics: start time, number of documents

  • replace_in_document

    Replaces an exact string in a pad with another. Only the matched

  • set_document

    Replaces the entire content of a pad. Replacing a non-empty pad

  • set_language

    Sets the syntax-highlighting language of a pad (Monaco language id,

Public scan report

scanner v0.1.10 · 2026-10-15 · same rubric, same numbers if you re-run it

no findings
  • Code scan31 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 0 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 92/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Rustpad MCP Server compares

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

Safety score
92/100
higher than 95% of 48,255 servers
Tools
8
the typical server has 7
Tools that change things
13%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
40
more than 31% of 12,191 servers with a package

What its tools let an agent do: 4 read · 1 create · 3 change

Install Rustpad MCP Server in Claude Code, Cursor or VS Code

Runs npx -y rustpad-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add rustpad-mcp -- npx -y rustpad-mcp
Add to Cursor

What the publisher says

From the Rustpad MCP Server repository's README, as published. We do not edit it. Read it on GitHub

rustpad-mcp

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A Model Context Protocol (MCP) server for Rustpad, the efficient, minimal, self-hosted collaborative text editor.

Lets MCP clients like Claude Code, Claude Desktop or Codex read and write the pads of a Rustpad instance: fetch a document, create one, replace it wholesale or edit it in place.

Eight tools is the ceiling, not the floor: RUSTPADALLOWTOOLS=essential registers a curated five instead, and a model picks the right tool far more reliably from five than from eight — see choosing which tools load.

Reads go through Rustpad's HTTP API; writes speak the operational-transformation WebSocket protocol, so targeted edits (appendtodocument, replaceindocument) merge cleanly with what human collaborators type at the same time instead of overwriting it. While the server edits a pad, it is visible to everyone in the pad as a collaborator named rustpad-mcp.

The two edits that cannot be undone ask a person. Where the client supports MCP elicitation, replacing a non-empty pad and search-replacing across more than one match raise a real dialog that the model cannot answer on its behalf — and the replaceindocument one says how many places are about to change. Where it does not, they fall back to a two-call token, and say so rather than implying somebody approved. ELICITATION=false takes that fallback deliberately; it never removes the guard. See Asking a person.

What makes it different

Real OT edits, not overwrites. appendtodocument and replaceindocument retain everything they do not touch, and the Rustpad server transforms concurrent edits — a human typing in the same pad at the same moment loses nothing. The model shows up in the pad as a named collaborator.

Shortened. The full README is on GitHub.

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

Rustpad MCP Server: common questions

Is Rustpad MCP Server safe?
Yes, by our scan: it is graded A (92/100). Read the Rustpad MCP Server safety report
How do I install Rustpad MCP Server?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Rustpad MCP Server need an API key?
No secret keys are declared. It reads 10 settings from the environment.
Is Rustpad MCP Server maintained?
The last commit was 20 days ago (2026-10-15). The latest release is v0.4.0.
How does Rustpad MCP Server compare with other MCP servers?
safety score 92/100 (higher than 95% of 48,255 servers); tools 8 (the typical server has 7); tools that change things 13% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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