Jest Python Packages

cartoon

Token-optimized output for any CLI — your AI agent reads 12 lines instead of 800, raw log always archived. Adapters for pytest/jest/vitest/ruff/eslint/tsc + a compression ladder for everything else.

testguard-cli

Claim-driven mutation testing: inject faults and report what your tests miss. Vitest, Jest, Playwright, pytest & unittest. Part of the Guard family with DocGuard and WebSec Validator.

jestspectation

Pattern matching tools to test complex data structures.

mcp-assert

The testing standard for MCP servers. Lint (14 rules), test, and fuzz over real stdio/SSE/HTTP transport. 18 assertion types in YAML. Found 4,794 schema issues across 55 servers. Any language, no mocks, single binary.

pytest-mcp-assert

The testing standard for MCP servers. Lint (14 rules), test, and fuzz over real stdio/SSE/HTTP transport. 18 assertion types in YAML. Found 4,794 schema issues across 55 servers. Any language, no mocks, single binary.

executable-stories-pytest

Tests that document. Reports that convince. Write BDD stories inside your test framework. Generate living documentation your whole team can read.

flakestat

Find flaky tests in any language - pytest, Jest, go test, JUnit. Local CLI, no SaaS, no account.

ai-test-failure-analyzer

8-phase evidence pipeline for Playwright, pytest, Jest, Cypress, Newman, k6, and JUnit failures. Scans git history, application logs, and config to produce confidence-scored root-cause hypotheses. Exposes as MCP server, CLI, and streaming web UI.

nanofuzz-runtime

NaNofuzz is a fast and easy-to-use automatic test suite generator for TypeScript and Python that runs inside VS Code and supports fuzz, example, and property-based testing

unfaked

Your agent said it's done. unfaked checks whether it made that true, or just made the check pass. Zero dependencies, no LLM.

rjest-install

A blazing-fast Jest-compatible test runner. 100× faster warm runs. Zero config changes.

flakewall

Language-agnostic flaky test guard: parse JUnit, score flakiness, quarantine, and retry (pytest/jest). Lightweight CLI for CI.

rjest

A blazing-fast Jest-compatible test runner. 100× faster warm runs. Zero config changes.