R Observatory: Metrics for mcplite version 0.1.0

Balamuta, James Joseph

doi:10.5281/zenodo.21843040

mcplite

0.1.0

Lightweight Stdio MCP Server for R

0packages depend

101downloads / year

86.8%test coverage

13/13checks pass

Overview

About

Maintained by Juha ItkonenFirst published 2026-08-031 releasesCRAN page ↗GitHub ↗

Provides a lightweight Model Context Protocol (MCP) server for exposing 'R' functions as tools over standard input and output ('stdio'). Designed for local, client-launched integrations, with protocol-aware tool definitions and results, JSON Schema helpers, and optional interoperability with 'ellmer'.

Install

R (CRAN)pak (dev)Fedora (COPR)openSUSE (OBS)

install.packages("mcplite", repos = "https://cloud.r-project.org/")

Installs the current CRAN release. Prebuilt binaries on Windows and macOS.

if (!requireNamespace("pak", quietly = TRUE))
  install.packages("pak", repos = "https://cloud.r-project.org/")
pak::pak("tosidata/mcplite")

Development version from tosidata/mcplite. Installs pak first if it is not already available.

# enable the iucar/cran COPR if it is not already present, then install
ls /etc/yum.repos.d/*iucar*cran*.repo >/dev/null 2>&1 \
  || sudo dnf copr enable -y iucar/cran
sudo dnf install -y R-CRAN-mcplite

RPMs from the iucar/cran COPR, rebuilt from CRAN.

For install.packages() integration in R, also: sudo dnf install R-CoprManager

# add the autoCRAN OBS repo (Tumbleweed) if it is missing, then install
zypper -q lr | grep -qi autoCRAN \
  || sudo zypper addrepo https://download.opensuse.org/repositories/devel:/languages:/R:/autoCRAN/openSUSE_Tumbleweed/devel:languages:R:autoCRAN.repo
sudo zypper install -y R-mcplite

RPMs auto-built from CRAN on openSUSE OBS (Tumbleweed).

Health

CRAN checks

13OK

Slowest check: 1.1 min · r-oldrel-windows-x86_64

Code health

Yes

Tests · ratio 1.52

86.8%

Coverage · measured lines

100%

Documentation · exports

3

Dependencies · direct

Check history

OK2026-08-04
8 OK · 0 NOTE · 0 WARNING · 0 ERROR · 0 FAILURE

Documentation

READMEYes · 352 wordsVignettesNopkgdown siteNoNEWSYes · 67% structuredCode of conductNoContributing guideNo

Examples that run: 100%
Documented parameters: 100%
Return-value docs: 100%
References docs: 0%

Downloads

101

CRAN downloads in the past year

Rank #24,667 · ~0/day · ~8/mo

mcplite Releases R versions

Daily download trend is not available in this view yet.

10130 days

10190 days

1011 year

Compare downloads with other packages →

Repository

GitHub ↗ tosidata/mcplite

2Stars

0Forks

0Open issues

0Open PRs

1Releases

9Commits

1Contributors

9 commits · Last activity 2026-08-04

Releases over time

2026-08-04 · 02026-08-05 · 1

Repository practices

Upstream repositoryBeta

2 development-tooling and community-health practices detected across 2 families in the upstream repository

Checks run against github.com/tosidata/mcplite on 2026-08-09.

Continuous integration (1)

GitHub Actions

CRAN release process (1)

cran-comments.md

How this is detected·Detection ruleset v1 (2026-07-18)

Dependencies

Declared dependencies

8 external dependencies (excludes base and recommended)

Depends (1)

R >= 4.1.0

Imports (3)

jsonlite nanonext otel

LinkingTo (0)

none

Suggests (5)

ellmer otelsdk processx testthat withr

Enhances (0)

none

Dependency license breakdown →

Reverse dependencies

0direct

0indirect

Nothing depends on this yet.

Code & Tests

People & History

People (1)

Maintainer (1)

Juha Itkonen

Author, Maintainer, Copyright holder

Authors (1)

Juha Itkonen

Author, Maintainer, Copyright holder

Copyright holders (1)

Juha Itkonen

Author, Maintainer, Copyright holder

Package Timeline

1 release. R releases are shown for context.

0.1.0Latest
2026-08-03 · current release
R
R 4.6.0 released · 2026-04-24

Package metadata

First published: 2026-08-03
Total releases: 1 / 1 yrs
License: MIT + file LICENSE OSI
Minimum R: ≥ 4.1.0
Download size: not tracked yet
Installed size: not tracked yet
With dependencies: not tracked yet

Cite

Cite this package

Run in R for the authors' preferred citation:

citation("mcplite")

Format

Itkonen, J. (2026). mcplite: Lightweight Stdio MCP Server for R (Version 0.1.0) [Computer software]. https://doi.org/10.32614/CRAN.package.mcplite

This is what citation() produces when a package has no citation file of its own. If it prints something else, use that.

Cite the R Observatory

For a number measured here: a download total, a coverage figure, an archival date.

Format

APA

Balamuta, J. J. (2026). R Observatory: Metrics for mcplite version 0.1.0 [Data set]. HJJB, LLC. Data release v2026-08-13. https://doi.org/10.5281/zenodo.21843040

From data release v2026-08-13, which the citation names so these numbers can be found later. More on citing and the projects behind them.

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