CATEGORY
Development tools::Testing 2,431 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.
chicago-tdd-lspLSP server that enforces chicago-tdd-tools is always a dev-dependency16MIT
slotgateA bounded-parallelism job runner that gives each slot its own disjoint port range, so port-binding tests run in parallel without…15MIT
sentri-analyzer-sorobanSentri: Soroban (Stellar) contract analyzer with static analysis and invariant checking.15MIT
sentri-dynamic-evmSentri: revm-backed dynamic invariant fuzzing for EVM/Solidity contracts.15MIT
sentri-dynamic-solanaSentri: dynamic invariant fuzzing for Solana programs (account-model execution + invariant oracles).15MIT
haptic-mcpMCP server for Haptic accessibility audit — exposes tools for AI coding harnesses15MIT
lager-netFirst-class Rust client for Lager box nets: drive power supplies, batteries, e-loads, GPIO, ADC, DAC, SPI, I2C, UART and more…15Apache-2.0
mcp-covenantContract & breaking-change detector for Model Context Protocol servers. Snapshot your tools/resources/prompts into a lockfile,…15MIT
fnmockA Rust mocking framework for standalone functions and methods in an impl block.15MIT OR Apache-2.0
nextdeckA TUI wrapper for cargo-nextest, Clap-powered xtasks, and more.14Apache-2.0
haptic-cliAccessibility audit CLI with 133 WCAG/ARIA rules. Single binary, zero JS dependencies.14MIT
ordofp_lawsProperty-based laws testing for OrdoFP type classes including Functor, Monad, and algebraic structures.14Apache-2.0
ocp-conformancePublic OCP conformance suite (host- and provider-side) plus the ocp-inspect debugging binary, analogous to MCP's inspector.14MIT OR Apache-2.0
raft-chaos-testChaos testing harness for Raft consensus — simulated partitions, node kills, leader isolation.14MIT
flux-vm-testsCertification test vectors for the FLUX constraint enforcement VM13MIT OR Apache-2.0
assayist-gateDecision gate for Assayist: permutation A/B, longitudinal drift, subsystem triad13Apache-2.0
assayistAssayist orchestrator: run benchmark defs, capture, assemble AssayRuns, gate13Apache-2.0
converge-axiomAxiom — the Converge truth layer: validation, simulation, guidance, and policy lens13MIT
testament-cliResearch-informed test quality guardrails for Ruby test suites13MIT
tpt-port-scoutRAII TCP/UDP port reservation — holds sockets open until the server binds, eliminating TOCTOU races in parallel integration tests13MIT OR Apache-2.0
lspressolanguage server test client12MIT
haptic-pluginPlugin system for Haptic: WASM-based dynamic rule loading11MIT
tpt-log-tapPer-test structured tracing capture — assert on event field values, not text. RAII install/uninstall of a per-thread subscriber11MIT OR Apache-2.0
tpt-env-mockerSafe, isolated environment variable mocking for async tests — prevents race conditions via a global Mutex11MIT OR Apache-2.0
tpt-cli-snapCLI process testing with integrated snapshot assertions — bridges assert_cmd and tpt-snapshot-lite11MIT OR Apache-2.0
tpt-http-stubLightweight in-process HTTP stub server for tests — bind, register route stubs, assert on requests; no async runtime required11MIT OR Apache-2.0
tpt-fixtureSession- and module-scoped test fixtures with async init and teardown — fills the beforeAll/afterAll gap11MIT OR Apache-2.0
haptic-wasmAccessibility audit CLI with 133 WCAG/ARIA rules. Single binary, zero JS dependencies.11MIT
tpt-snapshot-liteLightweight, zero-dependency snapshot testing — compare Debug/Display output against .snap files10MIT OR Apache-2.0
tpt-env-mocker-macrosProc-macro internals for tpt-env-mocker — do not use directly10MIT OR Apache-2.0
tpt-temp-fsEphemeral, isolated file-system fixtures for integration tests — auto-cleaned on drop, even on panic7MIT OR Apache-2.0