MCP server registry, checked every day
The full official MCP Registry: 60,597 servers and 237,693 versions, checked every night against public bug databases. A red flag means someone reported a problem. Look before you install.
60,597servers watched
87have a reported issue
9list a version with a reported issue
Last checked 15 hours ago. No flag does not mean safe, only that nothing has been reported publicly. For a full trust grade, see the graded directory.
| Server | Runs as | Listed version | Reported issues |
|---|---|---|---|
| io.github.mrfentmen/locale-format-mcp Format numbers, currencies, dates and relative times for any locale using ICU data - fully local. | npm | 1.0.12 versions | None reported |
| io.github.mrfentmen/lobsters-mcp Lobsters: hottest and newest stories, tags, story details, user profiles — keyless. | npm | 1.0.12 versions | None reported |
| io.github.mrfentmen/lobster-mcp MCP server for the Lobster programming langua MCP: real tools for real work. | npm | 1.1.01 version | None reported |
| io.github.mrfentmen/llvm-ir-mcp LLVM IR MCP: 20 real tools to read, check, lint, scaffold, build and run LLVM IR code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/links-mcp Links MCP: 20 real tools to read, check, lint, scaffold, build and run Links code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/lilypond-mcp LilyPond MCP: 20 real tools to read, check, lint, scaffold, build and run LilyPond code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/ligolang-mcp LigoLANG MCP: 20 real tools to read, check, lint, scaffold, build and run LigoLANG code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/lichess-stats-mcp Lichess accounts and puzzles: player ratings, recent activity, online status and the puzzle of the | npm | 1.0.12 versions | None reported |
| io.github.mrfentmen/license-boundary-mcp Summarize local license evidence and uncertai MCP: real tools for real work. | npm | 1.0.12 versions | None reported |
| io.github.mrfentmen/librivox-mcp LibriVox public-domain audiobooks: title and MCP: real tools for real work. | npm | 1.0.62 versions | None reported |
| io.github.mrfentmen/leo-mcp Leo MCP: 20 real tools to read, check, lint, scaffold, build and run Leo code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/lfe-mcp LFE MCP: 20 real tools to read, check, lint, scaffold, build and run LFE code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/legislation-gov-uk-mcp legislation.gov.uk: pull UK Acts of Parliament and read them as plain text - keyless. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/lean-4-mcp Lean 4 MCP: 20 real tools to read, check, lint, scaffold, build and run Lean 4 code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/launchlibrary-mcp Space launches, pads, agencies and events from the Launch Library 2 database. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/lasso-mcp Lasso MCP: 20 real tools to read, check, lint, scaffold, build and run Lasso code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/launch-library-mcp Launch Library 2: upcoming and past rocket launches, missions, orbits, space events and agencies. | npm | 1.0.12 versions | None reported |
| io.github.mrfentmen/kotlin-mcp Kotlin MCP: 20 real tools to read, check, lint, scaffold, build and run Kotlin code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/koka-mcp Koka MCP: 20 real tools to read, check, lint, scaffold, build and run Koka code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/kkbox-mcp MCP server for KKBOX: search tracks, albums, MCP: real tools for real work. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/kegg-mcp Search KEGG genes and compounds, read entries and list their pathways - keyless. | npm | 1.0.12 versions | None reported |
| io.github.mrfentmen/kcl-mcp KCL MCP: 20 real tools to read, check, lint, scaffold, build and run KCL code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/k-mcp K MCP: 20 real tools to read, check, lint, scaffold, build and run K code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/jwt-mcp Decode JSON Web Tokens locally: header, claims, expiry timeline and warnings | npm | 1.0.22 versions | None reported |
| io.github.mrfentmen/just-mcp Just MCP: 20 real tools to read, check, lint, scaffold, build and run Just code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/jte-mcp Java Template Engine MCP: real tools for real work. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/julia-mcp Julia MCP: 20 real tools to read, check, lint, scaffold, build and run Julia code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/jsp-mcp Java Server Pages MCP: real tools for real work. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/jsonpath-mcp Query JSON documents with JSONPath expressions, list every path and count matches - fully local. | npm | 1.0.12 versions | None reported |
| io.github.mrfentmen/jsdelivr-mcp Package versions and CDN statistics from jsDelivr. No key required. | npm | 1.0.32 versions | None reported |
| io.github.mrfentmen/jq-mcp jq MCP: 20 real tools to read, check, lint, scaffold, build and run jq code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/jpl-horizons-mcp JPL Horizons: NASA ephemerides for planets, moons, asteroids and comets - keyless. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/joy-mcp Joy MCP: 20 real tools to read, check, lint, scaffold, build and run Joy code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/jolie-mcp Jolie MCP: 20 real tools to read, check, lint, scaffold, build and run Jolie code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/jokeapi-mcp Jokes from JokeAPI across categories, with safe mode, one-liners and two-part setups - keyless. | npm | 1.0.23 versions | None reported |
| io.github.mrfentmen/jison-mcp Jison MCP: 20 real tools to read, check, lint, scaffold, build and run Jison code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/jflex-mcp JFlex MCP: 20 real tools to read, check, lint, scaffold, build and run JFlex code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/jisho-mcp Japanese English dictionary: words, kanji readings, and example sentences. | npm | 1.0.12 versions | None reported |
| io.github.mrfentmen/jcl-mcp JCL MCP: 20 real tools to read, check, lint, scaffold, build and run JCL code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/jass-mcp JASS MCP: 20 real tools to read, check, lint, scaffold, build and run JASS code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/janet-mcp Janet MCP: 20 real tools to read, check, lint, scaffold, build and run Janet code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/jasmin-mcp Jasmin MCP: 20 real tools to read, check, lint, scaffold, build and run Jasmin code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/jai-mcp Jai MCP: 20 real tools to read, check, lint, scaffold, build and run Jai code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/jac-mcp Jac MCP: 20 real tools to read, check, lint, scaffold, build and run Jac code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/j-mcp J MCP: 20 real tools to read, check, lint, scaffold, build and run J code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/itunes-mcp Apple media catalogue: search apps, music and podcasts, plus top charts. | npm | 1.0.12 versions | None reported |
| io.github.mrfentmen/iss-tracker-mcp Live ISS position, ground track, daylight forecast, TLE and overhead checks - keyless. | npm | 1.0.12 versions | None reported |
| io.github.mrfentmen/ispc-mcp ISPC MCP: 20 real tools to read, check, lint, scaffold, build and run ISPC code. | npm | 1.0.01 version | None reported |
| io.github.mrfentmen/isbn-mcp Validate and convert ISBN-10 and ISBN-13 numbers, with checksum maths - fully local. | npm | 1.0.12 versions | None reported |
| io.github.mrfentmen/isabelle-mcp Isabelle MCP: 20 real tools to read, check, lint, scaffold, build and run Isabelle code. | npm | 1.0.01 version | None reported |