npm · npm:chai

chai active

BDD/TDD assertion library for node.js and the browser. Test framework agnostic.

The latest stable version of chai is 6.3.0, published on 2026-09-30. Verified by Vigia on 2026-11-12.

Maintenance

Heuristic based only on release dates; it does not measure issue or security response times.

Version history

Showing the 20 most recent of 105 versions. JSON

Version compatibility

Newest stable version that declares support for each runtime version (from the requirements published with each version).

Give your AI agent these facts

claude mcp add --transport http vigia https://vigia.coredls.cloud/mcp

{ "mcpServers": { "vigia": { "url": "https://vigia.coredls.cloud/mcp" } } }

Frequently asked questions

Observed changes

• hu Oct 01 2026 09:20:08 GMT+0000 (Coordinated Universal Time) — released 6.3.0 → 6.3.0
• Wed Sep 30 2026 19:30:38 GM +0000 (Coordinated Universal Time) — released 6.2.2 → 6.3.0

Related packages

• @babel/code-frame
• d3-array
• @typescript-eslint/eslint-plugin
• strip-indent
• proxy-addr
• tiny-invariant
• parseurl
• @floating-ui/dom
• @babel/plugin-syntax-jsx
• @floating-ui/utils
• nopt
• ora

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[![maintained](https://vigia.coredls.cloud/badge/npm/chai/maintained.svg)](https://vigia.coredls.cloud/npm/chai)
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For agents

GET https://vigia.coredls.cloud/v1/packages/npm/chai
GET https://vigia.coredls.cloud/v1/packages/npm/chai/versions/{version}