MCP.Market

Plain MCP server

by mrfentmen·io.github.mrfentmen/plain-mcp·v1.0.0
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Query the Plain GraphQL API: customers, threads, thread details.

C65/100grade C
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Safety scan
C65/100

full report

Adoption
New

369 downloads/wk

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

Plain tools (3)

write = sends, deletes, buys or posts

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

  • get_thread

    Thread details by ID.

  • list_customers

    Support customers.

  • list_threads

    Support threads.

Public scan report

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

no findings
  • Code scan7 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
  • Maintenancerepository not readable: repo not found3/15
  • Maintainer identityno repository or website to verify2/10
Overall 65/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

How Plain compares

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

Safety score
65/100
higher than 20% of 48,255 servers
Tools
3
the typical server has 7
Tools that change things
0%
typical: 0%. Fewer write tools means less an agent can break
Downloads a week
369
more than 84% of 12,191 servers with a package

What its tools let an agent do: 3 read

Install Plain in Claude Code, Cursor or VS Code

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

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

Plain: common questions

Is Plain MCP server safe?
With care: it is graded C, so read the findings first (65/100). Read the Plain safety report
How do I install Plain?
It runs on your machine. Copy the Claude Code, Cursor, VS Code or Claude Desktop config from the install section.
Does Plain need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Plain maintained?
The latest release is v1.0.0.
How does Plain compare with other MCP servers?
safety score 65/100 (higher than 20% of 48,255 servers); tools 3 (the typical server has 7); tools that change things 0% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.

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