CATEGORY
Development tools 19,246 crates
Data as of 2026-07-25 (crates.io database dump, timestamp 2026-07-25T02:00:36Z). Source: crates.io · db-dump.tar.gz · methodology & corrections.
i-chingI Ching divination readings for CLI and Goose extension411MIT
fob-configConfiguration loading and validation for the Fob bundler411MIT
autoflow-coreBest-in-class autonomous coding agent411MIT
orbitflare-sdkRust SDK for OrbitFlare - RPC, gRPC (Yellowstone), JetStream, and WebSocket clients for Solana411MIT
baml-cliBAML CLI for Rust410Apache-2.0
git-stdStandard git workflow — commits, versioning, hooks410MIT
tryphon_macrosProcedural macros for the tryphon configuration library410MIT
behest-coreCore types for the behest agent runtime: messages, errors, tool definitions, and sans-IO run state machine410MIT OR Apache-2.0
kagayalaunchd made easy — register projects as services, manage them with start/stop/restart/status/logs410MIT
doxa-docsErgonomic OpenAPI documentation and Scalar UI hosting for axum. Built on utoipa + utoipa-axum with minimal handler attributes and…410Apache-2.0
mcp-execution-skillSKILL.md generation for Claude Code integration with MCP tools410MIT OR Apache-2.0
cflxConflux – a spec-driven parallel coding orchestrator that runs AI agents on git worktrees410MIT
promptyPrompty is an asset class and format for LLM prompts410MIT
trusty-agents-commonStable agent-plugin surface (ToolExecutor, AgentPlugin, ToolResult) shared by trusty-agents and external agent crates.410MIT
luauperfA static performance linter for Luau409MIT
whisker-fmtrustfmt drop-in that additionally formats Whisker's `render!` / `css!` macro bodies. Respects rustfmt.toml only — no…409MIT OR Apache-2.0
potk00-Team utilities409non-standard
poly-mcpA comprehensive MCP server with filesystem, diagnostics, scripting, time, network, context, git, input, clipboard, transform, and…409MIT
lazyfossilMake it easy to work with Fossil from the terminal:
browse files, see history, preview changes, and commit or sync without extra…409MIT
wipe-cliwipe - CLI-first, git-native collaboration for humans and agents.409MIT
ecma-runtime-catECMAScript runtime: native built-ins (console, Math, JSON, parseInt, isNaN, Promise, Object, Array, Error, ...) that the boa-cat…409MIT OR Apache-2.0
gestManage agent-generated artifacts and task backlogs alongside your project408MIT
tsift-digestCode-aware digest emitters for tsift — diff / log / metric / test digests with shared summary-cache enrichment408MIT
tazk🐕 Lightweight, agnostic, fast and easy task runner408MIT
pr-broKnow which PR to review next. Ranks pull requests by weighted scoring.408MIT
zenchRun benchmarks anywhere in your codebase and integrate performance checks directly into your cargo test pipeline.408MIT OR Apache-2.0
padlock-cliStruct memory layout analyzer for C, C++, Rust, Go, and Zig408MIT OR Apache-2.0
ecotokensToken optimizer for AI coding assistants — hooks into Claude Code/Gemini CLI to compress shell outputs and track USD savings408MIT
starweaver-envdLocal envd service implementation for Starweaver407BSD-3-Clause
typed_ecsA no_std, no_alloc ECS with compile-time guarantees, and BLAZING PERFORMANCE!407MIT OR Apache-2.0
clawft-kernelWeftOS kernel: boot sequence, process table, service registry, and health subsystem407MIT OR Apache-2.0
cogletHigh-performance prediction server for Cog ML models407Apache-2.0
auths-infra-gitGit client adapter for Auths - enables communication with Auths services over Git407Apache-2.0
evo-commonShared types, protocols, and utilities for the Evo self-evolution agent system406MIT
chub-coreChub: agent-agnostic context, tracking, and cost analytics for AI-assisted development406MIT
bmux_config_doc_deriveProc macros for generating config documentation schema from bmux config types406MPL-2.0
rich-errA highly detailed error type for compilers, tracebacks, etc.406MIT
harness-rs-permissionsPermission modes + per-tool allow/deny rules for harness-rs. Layers over the existing Hook system (PreToolUse gating) — gives…406MIT OR Apache-2.0
rahul_chavan_tds_calculatorA tds calculator built in Rust.405MIT
codineer-pluginsPlugin system and hooks for Codineer405MIT
nora-registryCloud-Native Artifact Registry - Fast, lightweight, multi-protocol405MIT
suture-driver-jsonA patch-based version control system with semantic merge and format-aware drivers405Apache-2.0
bmux_config_docTypes and trait for bmux configuration documentation schema405MPL-2.0
prometheus-deriveDerive macros and utilities for prometheus with automatic registration and global registry support405MIT OR Apache-2.0
mpl-protocolCore library for MPL: types, validation, hashing, and protocol primitives405MIT
semisafeSemi-safe utilities for performance-critical Rust405MIT or Apache-2.0
github-dlCLI tool to download GitHub folders405MIT OR Apache-2.0
flow_parserParser for the Flow programming language405MIT
atelier_quantQuantitative Finance Tools & Models for the atelier-rs engine405Apache-2.0
zerodds-corba-codegenOMG CORBA 3.3 Annex-A.1 IDL-Mapping Codegen-Helpers (C++/C#/Java) — 13 Special-Types + Stub/Skeleton-Templates +…405Apache-2.0
sparrow-cliA local-first Rust agent cockpit — route, run, replay, rewind405MIT
zorath-envFast CLI for .env validation against JSON/YAML schemas. 14 types, secret detection, watch mode, remote schemas, 7 export formats,…405MIT
mitm2openapiConvert mitmproxy flow dumps and HAR files to OpenAPI 3.0 specs — fast Rust rewrite of mitmproxy2swagger405MIT
wasi-soroban-rsA collection of helpers for writing tests for Soroban contracts405MIT
ace-macrosProc-macro crate. Provides FrameCodec which generates FrameRead and FrameWrite impls for structs and enums.405MIT or Apache-2.0
rust-indexerA command-line tool to analyze a Rust project's source code and populate a Neo4j graph database with its structure and…404MIT
perl-lsp-feature-flagsShared feature-flag and advertised-feature models for LSP capability negotiation.404MIT OR Apache-2.0
suture-driver-tomlA patch-based version control system with semantic merge and format-aware drivers404Apache-2.0
dioxus-iconifyCLI tool for importing/vendoring icons from [Iconify](https://icon-sets.iconify.design/) (material, lucid, heroicons,....) or…404CC0-1.0
gist-cache-rsInteractive CLI tool for caching, searching, and executing GitHub Gists, built with Rust.404MIT
rsketch-common-telemetryTelemetry utilities for rsketch: logging, tracing, panic hooks404Apache-2.0
iron_telemetryLogging and tracing infrastructure for Iron Cage AI agent management404MIT
handoff-mcpMCP server that gives AI coding agents persistent memory across sessions404MIT
rand-bkA terminal emulator launcher that applies random background colors to be easy to distinguish between multiple terminal windows.403MIT
limit-cliAI-powered terminal coding assistant with TUI. Multi-provider LLM support, session persistence, and built-in tools.403MIT
mi6-clientClient library for mi6 - session monitoring, terminal focus, and process management403MIT OR Apache-2.0
gdscript-sceneA .tscn/.tres parser feeding node-path typing (the scene-aware killer feature) — gdscript-analyzer.403MIT OR Apache-2.0
suture-driver-csvA patch-based version control system with semantic merge and format-aware drivers402Apache-2.0
suture-driver-docxA patch-based version control system with semantic merge and format-aware drivers402Apache-2.0
mycelium-rcig-mcpModel Context Protocol server for Mycelium. Powers the AI agent surface.402MIT
docsrs-mcpMCP server for Rust crate documentation from docs.rs402Apache-2.0
sgr-agent-coreCore types for sgr-agent: Tool trait, FileBackend trait, ToolDef, AgentContext, schema helpers402MIT
open-kioku-formatPrompt-oriented renderers for Open Kioku reports.402Elastic-2.0
greentic-desktop-workflowGeneric desktop workflow model and compiler for Greentic Desktop.402MIT
mcp-execution-filesVirtual filesystem for MCP code generation and organization402MIT OR Apache-2.0
adk-studioVisual development environment for AI agents built with Rust Agent Development Kit (ADK-Rust)402Apache-2.0
sharedserverA lightweight CLI tool and library for managing shared servers with reference counting401MIT
lds-sandboxSandbox module for local-develop-server (lds) — file-scoped read/append with snapshot and rollback400MIT OR Apache-2.0
rusty-relay-clientThe client which can connect to a rusty-relay server400MIT
suture-driver-pptxA patch-based version control system with semantic merge and format-aware drivers400Apache-2.0
suture-driver-xlsxA patch-based version control system with semantic merge and format-aware drivers400Apache-2.0
zeroproto-compilerZeroProto schema compiler and code generator400MIT OR Apache-2.0
fsindexFast, powerful filesystem indexing with .gitignore support and iterator-based API400MIT
adze-governance-matrix-core-implCompatibility facade for the extracted BDD governance core implementation.400MIT OR Apache-2.0
gdscript-dbInput layer (virtual file system, project model, change application; salsa from Phase 3) for gdscript-analyzer.400MIT OR Apache-2.0
aion-rsTransport-agnostic Aion workflow engine with durability, replay, timers, and supervision.399AGPL-3.0-only
make_colorsA simple, powerful and cross-platform Rust library for adding colors to your terminal output with support for hex colors, RGB,…399MIT
indxrFast codebase indexer for AI agents399MIT
regista🎬 AI agent director — multi-provider, stack-agnostic pipeline399MIT
open-kioku-impactImpact analysis for code changes in Open Kioku.399Elastic-2.0
secretenv-backend-keychainSecretEnv — macOS Keychain backend398AGPL-3.0-only
docker-networkDocker network management398MIT OR Apache-2.0
suture-driver-xmlA patch-based version control system with semantic merge and format-aware drivers398Apache-2.0
obsidian-lspLanguage Server Protocol (LSP) implementation for Obsidian markdown files398MIT
nargo-configNargo configuration management398MIT
luxctlLearn by building - CLI for projectlighthouse.io398AGPL-3.0-only
tripley-rpc-idl-parserYAML parser for Tripley RPC IDL documents.398MIT
open-kioku-rankingRanking and scoring utilities for Open Kioku results.398Elastic-2.0
harness-rs-tools-skillsLLM-facing skill-authoring tool for harness-rs agents: skill_manage (create/patch/edit/delete SKILL.md). Used by the learning…398MIT OR Apache-2.0
theater-handler-supervisorSupervisor handler for Theater WebAssembly runtime - child actor management397Apache-2.0
tokmd-scan-argsSingle-responsibility scan argument normalization and redaction helpers for tokmd receipts.397MIT OR Apache-2.0
g3-coreCore engine for G3/GB AI coding agent397MIT
rustant-coreCore agent logic for Rustant - LLM interface, memory, safety, and orchestration397MIT
cortex-sdkSDK for developing Cortex plugins — tools, skills, and extensions397MIT
vallumSecurity boundary between AI coding agents and your shell — redacts secrets, neutralizes prompt injection, sanitizes untrusted…397MIT OR Apache-2.0
agent-sdk-cliDeveloper-experience CLI for the Agent SDK (e.g. installs the local Langfuse + OTel collector stack)397MIT
cargo-cgxCargo subcommand for cgx - run Rust tools quickly without explicit installation396MIT OR Apache-2.0
api_geminiGemini's API for accessing large language models (LLMs).396MIT
elif-validationInput validation system for the elif framework396MIT
grdA command-line tool to download and install binaries from GitHub releases.396MIT
mimir-graphCode graph for Mimir: tree-sitter symbol extraction and graph queries396MIT OR Apache-2.0
devistProject bootstrap CLI for AI-assisted development. Spin up new projects from templates, manage backends, and keep your codebase…396MIT
bctxbctx CLI — intercept CLI commands and compress output for LLM coding agents396LicenseRef-Proprietary
adk-rust-mcp-commonShared utilities for ADK Rust MCP GenMedia servers396Apache-2.0
obs-coreRuntime engine for the obs SDK: Observer, Sink, schema registry, sampling, config.395MIT
harness-rs-tools-tasksBackground-task primitives for harness-rs agents: a TaskStore trait + 4 tools (tasks_create, tasks_list, tasks_get, tasks_cancel)…395MIT OR Apache-2.0
libutils-threatAn error wrapper with additional metadata395MIT
modelforgeProvider-aware model target parsing primitives for archive tools395MIT
aqc-fs-utilsRead a single file from disk with fixed rules (strict UTF-8, NUL rejection, size cap).394MIT OR Apache-2.0
huDev workflow CLI for Claude Code integration - Jira, GitHub, Slack, PagerDuty, Sentry, NewRelic, AWS394BUSL-1.1
lust-macrosProcedural macros for the Lust programming language394non-standard
apex-typesPlaceholder - part of apex-rs ecosystem394MIT OR Apache-2.0
api_openai_compatibleShared OpenAI wire-protocol HTTP layer for OpenAI-compatible APIs.394MIT
sql_docsA crate for parsing comments from sql files and using them for documentation generation394GPL-3.0
ctxforgeDeterministic prompt engineer for AI coding agents. Detects your project stack, attaches GitHub resources, flags missing context…394AGPL-3.0-or-later
torsh-utilsUtility functions and helpers for ToRSh394Apache-2.0
cratestack-studio-generatorTransitional shim — the studio generator has been replaced by the cratestack-studio binary. This crate currently only hosts the…394MIT
edda-indexTranscript index for Edda394MIT OR Apache-2.0
multi-brainRegistry, daemon, CLI, and MCP tooling for long-lived AI agent harnesses394MIT
lds-recipeRecipe module for local-develop-server (lds) — just CLI wrapper with dotenv-style resolve chain393MIT OR Apache-2.0
mdbook-content-loaderInjects content-collections.json into mdBook pages as a global variable393Apache-2.0
apex-cliPlaceholder - part of apex-rs ecosystem393MIT OR Apache-2.0
apex-httpPlaceholder - part of apex-rs ecosystem393MIT OR Apache-2.0
xchecker-receiptJSON receipt generation with cryptographic hashes393MIT OR Apache-2.0
kimetsu-cliTop-level `kimetsu` binary: chat client, MCP sidecar, bridge for Claude Code / Codex, brain admin tools, doctor.393MIT OR Apache-2.0
cersei-vmsSandbox & VM isolation for the Cersei coding-agent SDK393MIT
open-kioku-gitGit repository helpers for Open Kioku indexing and analysis.393Elastic-2.0
libplasmoid-updaterLibrary for updating KDE Plasma 6 components from the KDE Store. Meant for use in topgrade.393GPL-3.0-or-later
mana-coreCore library for mana — task tracker for AI coding agents393Apache-2.0
open-kioku-testsFixture and test selection support for Open Kioku.393Elastic-2.0
perl-diagnostics-codesStable diagnostic codes and severity levels for Perl LSP392MIT OR Apache-2.0
cmakefmt-rustA fast, correct CMake formatter392MIT OR Apache-2.0
apex-codegenPlaceholder - part of apex-rs ecosystem392MIT OR Apache-2.0
rastrayBlazing-fast static analysis CLI for security, dependency, and performance audits.392MIT OR Apache-2.0
bmux_scene_protocolTyped scene-decoration protocol shared by bmux core and any decoration plugin392MPL-2.0
gbA terminal user interface (TUI) for managing Git branches392MIT
relay-knowledgeGraph-database-based knowledge graph project.392MIT
rust_drissionBrowser automation library for Rust via Chrome DevTools Protocol (CDP). Connect or launch Chrome, control pages/elements, run JS,…392MIT
supersigil-verifyVerification engine for supersigil spec documents392MIT OR Apache-2.0
open-kioku-storage-sqliteSQLite persistence for Open Kioku indexes.392Elastic-2.0
vershipMulti-target release orchestrator392MIT
cratestack-client-store-redisRust-native schema-first framework for typed HTTP APIs, generated clients, and backend services.392MIT
git-cliA CLI tool that translates natural-language task descriptions into git commands using a local LLM (mistral.rs, Ollama, or…392MIT
gestalt-sdkRust SDK scaffolding and generated protocol bindings for Gestalt executable providers392Apache-2.0
nidus-testingTest application harness, request builders, response helpers, and provider overrides for Nidus.392MIT OR Apache-2.0
atmdATM daemon - session registry and broadcast server for monitoring coding agents391MIT
sealedstruct_deriveProcedural macro crate for sealedstruct - derive macros for validating structs391MIT
axocoatl-memory4-tier memory system and agent state checkpointing for Axocoatl391Apache-2.0
apex-templatesPlaceholder - part of apex-rs ecosystem390MIT OR Apache-2.0
rustyclaw-coreCore library for RustyClaw — config, gateway protocol, secrets, tools, and shared types390MIT
rust_ctf_partyRust CTF Party is a tool that provides various cryptographic and network utilities for CTF (Capture The Flag) competitions. It is…390MIT
garchGit Archaeology - Explore the evolution of code through git history interactively390MIT
sa3p-engineSans-IO execution engine for SA3P operator instructions.390MIT
infigraph-coreAST-powered code analysis framework — parser, graph, diff, and analysis engine390Apache-2.0
ristretto_intrinsicsIntrinsic methods for the Ristretto JVM389Apache-2.0 OR MIT
maw-coreCore domain logic for maw — merge protocol, oplog, backend, refs388MIT
cwtProvider Worktree Manager — TUI for managing git worktrees with Claude, Codex, or Pi388MIT
track-errorThis library provides serveral convenient macros to
track the location of error where it first happened.388MIT OR Apache-2.0
bento-cliA command organizer that searches and organizes all your commands, packages, aliases, and functions in one place388MIT
leanr-rag-gatewayMulti-lane RAG gateway with cost routing and verified safety proofs using lean-agentic388Apache-2.0
rusty-relay-serverThe http server for rusty-relay387MIT
arcella-typesCore data types and manifests for the Arcella WebAssembly runtime387Apache-2.0 OR MIT
string_sequence_testerLibrary for testing line sequences, primarily for proc-macro expansions.387MPL-2.0
nexus-tuiA terminal-based HTTP client for API testing387MIT
sail-rsOfficial Rust SDK for Sail: create and drive sailboxes (sandboxed cloud VMs) with lifecycle, streaming exec, file transfer, and…387Apache-2.0
ao-coreCore traits and types for the ao-rs agent orchestrator framework387MIT
pkgrankCentrality analysis for dependency graphs and file-level import graphs387MIT OR Apache-2.0
loctree-mcpMCP server for loctree - hot codebase analysis for AI agents386BUSL-1.1
dockrtuiA fast, modern and keyboard-driven terminal dashboard for Docker — built with Rust.386MIT
tokmd-analysis-funFun novelty enrichments for tokmd analysis receipts.386MIT OR Apache-2.0
tokmd-analysis-archetypeProject archetype inference for analysis receipts.386MIT OR Apache-2.0
runtara-agentsNative agent implementations for runtara workflows386AGPL-3.0-or-later
spider-libA Rust-based web scraping framework inspired by Scrapy (Python).386MIT
octo-coreCore types and traits for the OctoCode AI coding agent386MIT
pt2safetensorsPyTorch model to safeTensors file format converter.386Apache-2.0
lilo-rm-clientRuntime Matters client shell for the public rtmd Unix socket contract386MIT
sashikoAgentic code review system for Linux kernel386Apache-2.0
hyperchad_shared_state_modelsHyperChad shared state protocol models386MPL-2.0
uf-quarkGeneric link-time registry infrastructure for Rust385MIT
tokmd-analysis-topicsTopic-cloud enrichment for analysis receipts.385MIT OR Apache-2.0
ud-arch-x86x86 (16/32/64-bit) decode + encode backend with byte-identical round-trip.385MIT
alloraAllora: Rust-native Enterprise Integration Patterns (EIP) with channels, routing, correlation, and adapters.385Apache-2.0
orcs-eventEvent system for ORCS CLI (Signal, Request, Response)384MIT OR Apache-2.0
bitcoinleveldb-posixtoolsPOSIX-focused LevelDB support utilities: singleton environment wiring, mmap and open-file limit management, process-local POSIX…384MIT
arena-boxA Rust smart pointer that allocates memory in a self-managed arena.384MIT OR Apache-2.0
hehe-toolsTool system and built-in tools for hehe AI Agent framework384MIT OR Apache-2.0
agent-client-protocol-cookbookCookbook of common patterns for building ACP components384Apache-2.0
brec_macros_parserShared types for Brec code generation384Apache-2.0
starweaver-storageShared SQLite storage adapters and migrations for Starweaver384BSD-3-Clause
ffmtA fast, configurable Fortran formatter with Fypp, Doxygen, and OpenACC/OpenMP support384MIT