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repository ↗ · DeepWiki ↗ · release release-2026.07.30 ↗ · + Follow · compare 2 versions
3,527 symbols 11,888 edges 1,239 files ⚖ MIT 648 documented · 18% updated 14d agorelease-2026.07.03 · 2026-07-03★ 3,550236 open issues

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README

Deno Standard Library

JSR @std codecov ci

High-quality APIs for Deno and the web. Use fearlessly.

[!IMPORTANT] Newer versions of the Standard Library are now hosted on JSR. Older versions up till 0.224.0 are still available at deno.land/std.

Resources

Releases

Package versions >=1.0.0 follow Semantic Versioning, and package versions <1.0.0 follow this proposal.

Badge

[!NOTE] Previously, this repo hosted the badge SVG file. Now, the badge is retrieved directly from Shields.io.

Built with the Deno Standard Library

<a href="https://jsr.io/@std">
  <img
    width="135"
    height="20"
    src="https://img.shields.io/badge/Built_with_std-black?logo=deno"
    alt="Built with the Deno Standard Library"
  />
</a>
[![Built with the Deno Standard Library](https://img.shields.io/badge/Built_with_std-black?logo=deno)](https://jsr.io/@std)

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Shape

Function 1,991
Method 899
Class 390
Interface 244
Enum 3

Languages

TypeScript99%
Rust1%

Modules by API surface

http/unstable_structured_fields.ts62 symbols
toml/_parser.ts57 symbols
fmt/colors.ts53 symbols
expect/_types.ts52 symbols
yaml/_loader_state.ts46 symbols
expect/_matchers.ts41 symbols
xml/_tokenizer.ts40 symbols
expect/_asymmetric_matchers.ts40 symbols
testing/time.ts39 symbols
data_structures/deque.ts35 symbols
testing/mock.ts34 symbols
http/unstable_message_signatures.ts31 symbols

Dependencies from manifests, versioned

@deno/shim-deno-test0.5.0 · 1×

For agents

$ claude mcp add std \
  -- python -m otcore.mcp_server <graph>

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