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JMRI MCP

io.github.HO44-PROJECT/jmri-mcp

Source code

About JMRI MCP

JMRI MCP is an MCP server published by the GitHub account HO44-PROJECT. JMRI voice/chat control for DCC model railroads

It runs on your own machine: your AI client starts it from the MCP bundle package jmri-mcp-1.0.0rc4.mcpb, with no version pinned.

It asks for no keys or passwords.

Version 1.0.0rc4 was published on 21 July 2026, and the source code is public, so you can read it before installing.

Written from the registry entry. 8 automated checks on the registry entry and the package code: 5 pass, 1 warn, 0 fail, 2 info. How we check.

What it asks for

This server declares no environment variables, so it asks for no keys or settings.

Checks

CheckResultDetail
Source repository linkedPasshttps://github.com/HO44-PROJECT/MrJ-JMRI-MCP
Version pinnedWarnNot pinned: https://github.com/HO44-PROJECT/MrJ-JMRI-MCP/releases/download/v1.0.0rc4/jmri-mcp-1.0.0rc4.mcpb
Secrets requestedInfoAsks for no secrets
Known package registryPassAll packages come from npm, PyPI, OCI, NuGet or MCPB
Namespace ownershipInfoName verified via GitHub account HO44-PROJECT
Registry text aimed at the AIPassDescription and settings contain no hidden characters or instructions to the AI
Code red flagsPassRead 18 files in the bundle: no obfuscation, encoded execution, credential reads or data-collection endpoints found
Text aimed at the AIPassNo hidden characters or instructions to the AI in 18 files, including comments and the README

Popularity & health: 44 / 100

Worked out from public numbers and our own checks, not from user reviews or ratings. It says how used and how looked-after a server is, not whether it is safe.

Popularity3 / 40

1 GitHub stars, no download count, no Hacker News posts found. Best two of the three, each on a log scale.

Activity17 / 25

Last push 2026-08-16, last release 2026-08-16, 8 commits in 90 days.

Issue health8 / 15

0 closed of 0 issues, too few to judge. No data, so half marks.

Our checks16 / 20

1 warning, each costing a fifth.

0 forks, 0 merged pull requests. Sources: GitHub, npm, PyPI (pypistats.org) and Hacker News (Algolia), fetched 2026-10-31.

What people say

No Hacker News threads link to its source code.

Look further: search Reddit, search Hacker News, read its GitHub issues. These are not reviews we checked.

Facts

Registry nameio.github.HO44-PROJECT/jmri-mcp
PublisherGitHub account HO44-PROJECT
How the name is verifiedName verified via GitHub account HO44-PROJECT. The registry ties the name prefix to that account or domain; it does not check the code.
TypeLocal: runs on your machine from a package
Packagesmcpb https://github.com/HO44-PROJECT/MrJ-JMRI-MCP/releases/download/v1.0.0rc4/jmri-mcp-1.0.0rc4.mcpb no version given (stdio)
Version1.0.0rc4
Published
Last updated
Source repositoryhttps://github.com/HO44-PROJECT/MrJ-JMRI-MCP
WebsiteNone linked
CategoryAI & media generation (assigned by keyword rule, not by hand)

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