All 305,250 crates, alphabetically

mcpr-sessionMCP session management for mcpr23Apache-2.0 mcpr-tunnelTunnel client and self-hosted relay server for mcpr496Apache-2.0 mcpr-widgetsCSP handling and HTML rewriting for MCP widget iframes27Apache-2.0 mcprotoMinecraft protocols in Rust, async, fast and easy to use.137GPL-3.0-onlyAsynchronousEncoding mcproto-codecVarInt, encryption and compression coder & decoder for Minecraft protocols.153GPL-3.0-onlyCompressionCryptography mcproto-deriveDerive macros for mcproto143MIT mcproto-httpMinecraft protocol library, http (including auth) features42MIT mcproto-nbtNBT implementation for Minecraft protocols.19GPL-3.0-onlyEncodingGame development mcproto-networkMinecraft protocol library network feature76MIT mcproto-rsA crate which helps you implement the minecraft protocol, and implements it for you too!4,739Apache-2.0 mcproto-typesAll types for Minecraft.105GPL-3.0-onlyEncodingGame development mcproto-utilsMinecraft protocol crate utils for mcproto169MIT mcprotocol-rsA Rust implementation of the Model Context Protocol (MCP)3,793MITAPI bindingsAsynchronous mcprsModel Context Protocol para Rust - Uma biblioteca unificada para comunicação com diferentes LLMs e APIs de IA704MITAPI bindingsAsynchronous mcpsA command-line tool for running Monte Carlo simulations on project schedules.7,203MITCommand line utilitiesDevelopment tools mcps-clientMCPS client implementation for secure MCP connections513Apache-2.0CryptographyNetwork programming mcps-coreModel Context Protocol Secure (MCPS) - Core protocol implementation1,112Apache-2.0CryptographyNetwork programming mcps-cryptoCryptographic primitives for MCPS protocol717Apache-2.0CryptographyNetwork programming mcps-serverMCPS server implementation for secure MCP services513Apache-2.0CryptographyNetwork programming mcps-transportTransport layer for MCPS secure communications923Apache-2.0CryptographyNetwork programming mcpsecMCP Security Benchmark Framework — vendor-neutral security evaluation for MCP gateways41Apache-2.0 mcpserverMCP (Model Context Protocol) server library for Rust — a pure protocol handler implementing the 2025-03-26 spec146MITWeb programming mcpsmithConvert MCP servers into source-grounded skill packs with staged review and verify steps55MITCommand line utilitiesDevelopment tools mcpsmith-coreCore staged pipeline for resolving, grounding, reviewing, and installing mcpsmith conversions121MITCommand line utilitiesDevelopment tools mcpsteadMCP Gateway307MIT mcpstoremcpstore20MIT mcptestCLI for testing Model Context Protocol (MCP) servers133Apache-2.0Command line utilitiesDevelopment tools::Testing mcptest-agentAgent E2E test driver: connects an LLM to an MCP server and records the conversation trace.153Apache-2.0Development tools::Testing mcptest-cliPlaceholder. The end-to-end MCP server testing engine. Coming soon. See https://mcptest.sh18Apache-2.0Development tools::Testing mcptest-configConfig loading for mcptest: .env files, OS env vars, YAML variables, interpolation151Apache-2.0ConfigurationDevelopment tools::Testing mcptest-coreCore engine pieces for mcptest: matchers, test model, runner contracts238Apache-2.0Development tools::Testing mcptest-mcp-serverStdio MCP server exposing the mcptest engine to local agents (Claude Code, Cursor, etc.)144Apache-2.0Command line utilitiesDevelopment tools::Testing mcptest-rustHello World Rust MCP Test program!835MIT mcptest-scorer-coreScorer adapter trait, registry, and shared substrate for mcptest evals145Apache-2.0Development tools::Testing mcptrailRust SDK for the MCP Trail management API (/api/v1).51MIT mcpwayRun MCP stdio servers over SSE, WebSocket, Streamable HTTP, and gRPC transports.354MITCommand line utilitiesNetwork programming mcpxA Rust SDK for the Model Context Protocol (MCP)1,063MITAPI bindingsAsynchronous mcpx-rustA Rust implementation of mcpx, a CLI utility for Model Context Protocol (MCP) servers197MITCommand line utilities mcpzComing soon337MIT mcpzipMCP proxy that aggregates multiple servers behind search + execute meta-tools29MITCommand line utilitiesNetwork programming mcqA Rust port of Java implementation of Median Cut Quantization algorithm.5,273MIT OR Apache-2.0 mcqueryA tool for quickly checking the status of Minecraft servers5,780non-standard mcraw-tuiCross-platform TUI for browsing and exploring MotionCam (.mcraw) files132Apache-2.0 mcrconAn impelementation of Minecraft's RCON protocol.1,717Unlicense mcre453cs3,775MIT mcrsInterface with a local Minecraft server5,368GPL-3.0 mcrstwA high-performance Minecraft server wrapper with Lua 5.4 plugin support.86GPL-3.0-or-laterCommand line utilitiesGame development mcrtMonte-Carlo Radiative Transfer (MCRT) tool.12,505MIT OR Apache-2.0ScienceSimulation mcrwA library for working with the Minecraft data types1,658MPL-2.0 mcrx-coreRuntime-agnostic and portable multicast receiver library for IPv4 and IPv6 ASM/SSM.353BSD-2-ClauseNetwork programming mcrx-core-ffiC ABI bindings for the mcrx-core multicast receiver library.19BSD-2-Clause mcrx-core-pyPython bindings for the mcrx-core multicast receiver library.34BSD-2-Clause mcryptA cryptography library for Mangrove, a pure-rust, blazing fast package manager7,134GPL-3.0-or-later mcsSynchronization primitives based on Mellor-Crummey and Scott's (MCS) queueing spinlock. This library is usable without `std`.4,327MIT mcs3Rust library for working with AWS S3 and compatible object storage APIs2,779MIT OR Apache-2.0 mcsastManage Minecraft server / proxy / plugins quickly and easily!2,858GPL-3.0Command line utilities mcschemA crate for .schem files3,869BSD-2-Clause-Patent mcsdfMulti-channel signed distance fields rasterizer library2,915MIT mcsdf-font-tech-demoMulti-channel signed distance fields font tech demo3,533MIT mcsdkA Local Minecraft Server Plugin Testing Solution3,488GPL-3.0-only mcserverA command line interface which simplifies minecraft server management with zellij and mcrcon2,018MIT mcserverkitA library for creating and managing Minecraft servers19MIT mcserverstatusCheck who's online before you open up your minecraft client.3,249MIT mcslockAn implementation of Mellor-Crummey and Scott contention-free lock for mutual exclusion, referred to as MCS lock.8,065MIT OR Apache-2.0AlgorithmsConcurrency mcsr-ranked-apiMCSR Ranked API wrapper in Rust4,172non-standard mcstatCLI tool to ping Minecraft Java servers. do cargo install mcstat, then you can do mcstat ping serveraddress:port . i mostly use…51MIT mctMUD Client TUI written in Rust.2,031Apache-2.0 mct-rsA fast, flexible, and simple implementation of Monte Carlo Tree Search (MCTS) algorithm in Rust1,111MIT OR Apache-2.0Algorithms mctextMinecraft text formatting, parsing, and rendering812MITGame developmentRendering mctlControl both mpd and mpris musicplayers with one command2,853MIT mctoolsA Rust library that contains some Minecraft tools.3,991non-standardGame development mctpManagement Component Transport Protocol (MCTP) base types and traits3,527MIT OR Apache-2.0Embedded developmentHardware support mctp-estackEmbedded MCTP stack777MIT OR Apache-2.0Embedded developmentHardware support mctp-linuxManagement Component Transport Protocol (MCTP) Linux transport2,212MIT OR Apache-2.0Embedded developmentHardware support mctp-usb-embassyMCTP over USB transport for embassy-usb531MIT OR Apache-2.0Embedded developmentNetwork programming mctrustUniversal search & planning toolkit — MCTS, bandit search, pluggable evaluators, tree reuse, DAG transpositions, root…48,411MIT OR Apache-2.0AlgorithmsScience mctsThis is a library for Monte Carlo tree search.10,880MITAlgorithms mcts-libA small and simple library for Monte Carlo tree search3,246non-standardAlgorithmsGame development mcts-rsA Rust implementation of Monte Carlo Tree Search (MCTS) using an arena allocator.1,187MITAlgorithmsData structures mctserAn incridiblely easy-to-use library for Monte Carlo Tree Search3,751MITAlgorithms mctx-coreRuntime-agnostic and portable IPv4 and IPv6 multicast sender library.235BSD-2-ClauseNetwork programming mctx-core-pyPython bindings for the mctx-core multicast sender library.35BSD-2-Clause mcuA pure Rust implementation of WebRTC MCU1,836MIT mcu-blendColor blending in HCT and CAM16 color spaces222Apache-2.0GraphicsRendering mcu-commsA lightweight, no_std communication framing and packet encryption utility library designed for resource-constrained…181Apache-2.0CryptographyEmbedded development mcu-comms-macrosAn internal procedural macro library for `mcu-comms` that provides the `#[payload]` macro.92Apache-2.0CryptographyEmbedded development mcu-contrastColor contrast calculations for accessibility376Apache-2.0GraphicsRendering mcu-dislikeDetection and correction of universally disliked colors376Apache-2.0GraphicsRendering mcu-dynamiccolorDynamic color system for Material Design 3345Apache-2.0GraphicsRendering mcu-hctHCT color space implementation (Hue, Chroma, Tone)861Apache-2.0GraphicsRendering mcu-material-colorRust port of Google's Material Color Utilities - facade crate178Apache-2.0GraphicsRendering mcu-palettesTonal and core color palettes376Apache-2.0GraphicsRendering mcu-quantizeImage color quantization algorithms (Wu, WsMeans, Celebi)223Apache-2.0GraphicsRendering mcu-schemeColor scheme variants (TonalSpot, Vibrant, Expressive, etc.)264Apache-2.0GraphicsRendering mcu-scoreColor scoring for theme suitability221Apache-2.0GraphicsRendering mcu-temperatureColor temperature calculations for analogous and complementary colors376Apache-2.0GraphicsRendering mcu-terminal-colorTerminal-facing Material role facade and terminal optimization for mcu-material-color30Apache-2.0Command-line interfaceGraphics mcu-utilsMath, color, and string utilities for Material Color Utilities914Apache-2.0GraphicsRendering mcuatserial_function6,476MIT mcube[EXPERIMENTAL FOR NOW] Marching cube generator library.1,685LGPL-3.0-or-later mcubesThe Marching Cubes algorithm for creating isosurfaces6,252MITAlgorithmsGraphics mcuboot-metaA library to read and parse MCUboot images written in rust 🦀153MIT OR Apache-2.0Parser implementations mcufontTiny 5x5 monospace pixel font for microcontrollers — Rust port of Maurycy's mcufont, with optional embedded-graphics integration23CC-BY-NC-SA-4.0Embedded developmentGraphics mcumeterFirmware for my MCU power meter based upon STM32F042 and INA2604,5440BSDEmbedded developmentNo standard library mcumgr-smpAn implementation of the smp protocol for microcontrollers in pure rust.11,587MIT OR Apache-2.0Development toolsEmbedded development mcumgr-toolkitCore library of the software suite for Zephyr's MCUmgr protocol2,383MIT OR Apache-2.0 mcumgrctlCommand-line interface for Zephyr's MCUmgr protocol338MIT OR Apache-2.0Command line utilities mcupCommand line tool to keep your local maven repository small and tidy.11,612Apache-2.0Command line utilities mcurryMacros for creating curried functions.3,122MITAlgorithmsDevelopment tools mcutieA no-std, no-alloc, opinionated MQTT client for IoT devices3,416MIT mcutilsSave and load regions of a local Minecraft world1,260GPL-3.0 mcuttmcutt is a simple and transport agnostic MQTT v3.1 client library1,221MIT OR Apache-2.0AsynchronousEmbedded development mcuvisasimple visa pack12,436MIT mcvMetadata conversion tool735GPL-3.0+ mcv-rsMCV computer-vision primitives23MIT OR Apache-2.0 mcvcliA command line interface for managing Minecraft servers.16,461MITCommand line utilities mcversion-enum-rsExhaustive enum of Minecraft versions124Apache-2.0 OR MITParsing tools mcvmA fast, extensible, and powerful Minecraft launcher41,307GPL-3.0-or-laterGames mcvm_authUseful authentication wrapper for Minecraft11,993GPL-3.0-or-laterGames mcvm_cliThe command-line interface for mcvm15,354GPL-3.0-or-laterCommand line utilitiesGames mcvm_configSerialization for MCVM configuration553GPL-3.0-or-laterGames mcvm_coreCore functionality for launching Minecraft16,432GPL-3.0-or-laterGames mcvm_modsInstallation of game modifications for use with mcvm_core16,123GPL-3.0-or-laterGames mcvm_netVarious network APIs for MCVM4,212GPL-3.0-or-laterGames mcvm_optionsGame options generation for Minecraft7,529GPL-3.0-or-laterGames mcvm_parsePackage script lexing, parsing, and basic evaluation for mcvm31,166GPL-3.0-or-laterGames mcvm_pkgPackage standard for mcvm22,040GPL-3.0-or-laterGames mcvm_pluginPlugin loading and definition for mcvm5,969GPL-3.0-or-laterGames mcvm_sharedShared libraries and utilities for mcvm crates32,639GPL-3.0-or-laterGames mcwmcw/tan - text analysis7,463MIT mcwrA MC WRAPPER CREATOR7,910GPL-3.0-only mcxA Minecraft server manager6,256MIT mcx-pacPeripheral Access Crate for NXP MCX Series MCUs11,346MITEmbedded developmentNo standard library mcxa-pacPeripheral Access Crate for MCXA256 devices366MITEmbedded developmentNo standard library mcxn947-pacPeripherals Access Crate for NXP mcxn9475,159MITEmbedded developmentNo standard library mdA pure-Rust Markdown parser implementation, CommonMark-compatible3,560MIT md-5MD5 hash function291,563,050MIT OR Apache-2.0CryptographyNo standard library md-bakeryMarkdown Bakery CLI app4,269MIT md-bookCreate book from markdown files.1,415GPL-3.0 md-cliCLI for the Mnemonic Descriptor (MD) engravable BIP 388 wallet policy backup format333MIT OR UnlicenseCommand line utilitiesCryptography::Cryptocurrencies md-cli-testA helper library for integration testing of CLI apps using markdown files as a source of test cases548MITCommand-line interfaceDevelopment tools::Testing md-codecReference implementation of the Mnemonic Descriptor (MD) format for engravable BIP 388 wallet policy backups4,267MIT OR UnlicenseCryptography::CryptocurrenciesEncoding md-crdtConflict-free replicated data types for collaborative markdown editing43MITAlgorithmsData structures md-designerA CLI tool for creating design docs in Markdown2,841MIT md-dir-builderWebserver for serving all markdown files in a directory7,334GPL-3.0-or-later md-docrs-cliCLI that renders docs.rs rustdoc JSON as Markdown19MIT md-docrs-coreCore docs.rs rustdoc JSON parsing and Markdown rendering for md-docrs84MIT md-docrs-fetch-httpHTTP rustdoc JSON fetcher for md-docrs52MIT md-echoMinimalist dual-pane Markdown editor & real time preview built with egui and eframe1,308MITCommand line utilities md-fmeCLI for Obsidian vault frontmatter validation, querying, and spaced repetition workflows110MITCommand line utilities md-forgeA blazingly fast, lightweight Markdown to HTML converter built entirely in Rust446MITCommand line utilitiesParser implementations md-formatterA fast, opinionated Markdown formatter317MITCommand line utilitiesDevelopment tools md-iconsCrate for material design icons as string constants or components14,087MIT md-icons-helperHelper library for md-icons11,245MIT md-incInclude files in Markdown docs5,582non-standard md-includeA tool to include any file in markdown files1,501MITCommand line utilitiesDevelopment tools md-krokiRender kroki diagrams inside markdown6,303MIT OR Apache-2.0 md-localizerLocalize markdown with remote links2,644MPL-2.0 md-mageMatt's ASCII Game Engine1,633MIT md-overviewCLI tool to display markdown document structure as a heading tree22MITCommand line utilities md-parserA md-parser.1,518GPL-3.0 md-parser-kmaA simple parser that converts basic Markdown syntax (headers, bold, italic, lists) into corresponding HTML tags41MIT md-pdfConvert markdown files to PDF using typst with templating102MITCommand line utilitiesMultimedia md-postprocessA simple md postprocess1,791MIT OR Apache-2.0 md-prune-imageA CLI tool to prune unused images in Markdown directory.98MIT md-renameCLI for renaming Markdown files and rewriting links.18MITCommand line utilitiesText processing md-rename-coreCore library for renaming Markdown files and rewriting links.27MITCommand line utilitiesText processing md-rsMedian Over Period (MD) Implementation In Rust4,011MIT md-scatterA tool to split up and reassemble markdown files185MIT md-tangleA command line tool to tangle code blocks in markdown file to source code file.6,734GPL-3.0 md-tangle-engineTo tangle markdown. - the engine of the commend line tool.6,787GPL-3.0 md-tmplLightweight template engine for .tmpl.md prompt files with typed frontmatter477Apache-2.0 OR MITTemplate engineText processing md-tmpl-coreCore template engine for md-tmpl — parsing, compilation, and rendering339Apache-2.0 OR MITTemplate engineText processing md-tmpl-macrosProc macros for build-time template validation and pre-parsing347Apache-2.0 OR MITDevelopment tools::Procedural macro helpers md-to-htmlA simple CLI tool to convert Markdown files to HTML2,200MIT md-to-incodocConvert markdown to incodoc.1,446MITAccessibilityParser implementations md-to-tuisimple parser from markdown to ratatui types5,492MIT md-todoWork with todos in markdown files.3,973MIT md-tuiA terminal markdown viewer46,734AGPL-3.0-or-laterCommand-line interfaceCommand line utilities md-tui-rsTerminal markdown reader and HackMD-style split-screen editor with mouse support, clickable links and task lists, fuzzy search,…46MITCommand line utilitiesText processing md-typ-pdfConvert markdown files to PDF using typst150MIT OR Apache-2.0Command line utilities md-ulb-pwrapMarkdown paragraph wrapper using Unicode Line Breaking Algorithm.7,703BSD-3-Clause md-url-extractorA CLI tool for extracting, cleaning, and exporting URLs from Markdown files.695MITCommand line utilities md-viewerFast, lightweight markdown viewer for Linux with tabs, file explorer, and live reload585MITCommand line utilitiesGUI md-wikiMarkdown based static site generator for minimal wikis97MIT md-word-countA simple library for counting words in Markdown text. The intent is to match the behavior of LibreOffice and Microsoft Word.105non-standard md2MD2 hash function903,958MIT OR Apache-2.0CryptographyNo standard library md22An MD22 motor driver which uses I2C via embedded-hal.1,687MIT OR Apache-2.0 md2_digestA 0 dependency, no_std library for generating md2 digests.1,796ISCAlgorithmsNo standard library md2adfMarkdown to Atlassian Document Format converter433Apache-2.0 md2anyMarkdown → PowerPoint, OpenDocument Impress, PDF, Word, Writer, HTML, SVG, and PNG. One markdown source, one small Rust binary.41MIT OR Apache-2.0Command line utilitiesText processing md2astMarkdown → JSON AST for CleverScript / Relay hosts (WASM, JNI, Rust).78MIT OR Apache-2.0 md2bbCLI Tool to convert markdown to old school bbcode60MIT md2dataCLI and library for converting Markdown → JSON/YAML/TOML/XML107MITCommand line utilitiesParsing tools md2gemtextfor converting Markdown into gemtext2,358BlueOak-1.0.0 md2htm_without_pmd2htm_without_p1,420MulanPSL-2.0 md2htmlCLI utility to convert markdown files into the most beautiful HTML you have ever seen.4,873MIT md2jiraConvert markdown to the markup format used in jira3,054non-standardCommand line utilities md2logseqConvert standard Markdown (GFM) to Logseq block format22MIT md2nbConvert Markdown files into Wolfram Notebooks1,681MIT OR Apache-2.0Development toolsEncoding