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java-http3-client

Use when Java 26+ `java.net.http.HttpClient` should prefer or require HTTP/3.

Skill by isp-insoft-gmbh

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Works with Claude Code, Claude apps, Codex, Cursor, Gemini CLI, GitHub Copilot, VS Code, OpenCode, Goose, Windsurf. Read the repository before you give any tool access to your data.

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About

Use when Java 26+ `java.net.http.HttpClient` should prefer or require HTTP/3.

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What this skill can do and what it asks for, from its SKILL.md. Checked Oct 25, 2026.

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  • codeload.github.com · found in install command

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  • ~/.claude/skills/java-http3-client

What's inside

Skill name
java-http3-client
Description
Use when Java 26+ `java.net.http.HttpClient` should prefer or require HTTP/3.
License
MIT
Compatibility
JDK 26+
Instructions
25 lines in SKILL.md · view on GitHub

Files (2)

  • SKILL.md
  • jep-517.md · examples/

SKILL.md (first lines)

# HTTP/3 for HttpClient

Use for **HTTP/3 for HttpClient** work from [JEP 517](https://openjdk.org/jeps/517) when targeting JDK 26+.

## When active

- Select `HttpClient.Version.HTTP_3` on the client or request.
- Check `HttpResponse.version()` because fallback can occur.
- Use strict discovery only when server HTTP/3 support is required.

## Pitfalls

- HTTP/3 is opt-in; HTTP/2 remains default.
- The legacy `java.net.URL` HTTP handler is not HTTP/3.
- [JEP 517](https://openjdk.org/jeps/517) is client API support, not a public QUIC API or server.

## Examples

Read `examples/jep-517.md` for JEP-derived snippets.

## References

- https://openjdk.org/jeps/517

From isp-insoft-gmbh/isp-insoft-ai-skills, MIT.

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Last commit (this folder)
Sep 7, 2026 (1 month ago)

From GitHub (fetched Oct 24, 2026).

Details

License
MIT
First seen
Oct 24, 2026
Last checked
Oct 24, 2026

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java-http3-client skill. Agent Mart. https://agentmart.dev/skills/isp-insoft-gmbh-java-http3-client (last updated 2026-10-24)