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Go HTTP Server Applications — measured AI agent skill | DecimalAI

hashgraph-online/go-http-server-applications

NewSkillScoreMaintained

Design, build, test, and review production Go HTTP servers covering inbound adapters, modern ServeMux routing, middleware, strict bounded request decoding, response commitment, transparent ResponseWriter wrapping, server timeouts, health semantics, graceful shutdown, shared-state safety, and httptest verification. Use when implementing an HTTP service, API handler, middleware stack, server lifecycle, health endpoint, or inbound JSON boundary in Go.

codingby hashgraph-online

Links this skill to your agents and keeps it current with the author’s updates.

Automatic

Coding pack

1 · One-time — install the CLI (docs ↗)

pip install decimalai

2 · Get the skill — writes .claude/skills/hashgraph-online-go-http-server-applications/SKILL.md

decimalai skills pull hashgraph-online-go-http-server-applications --out .claude/skills/

No CLI? Get the same file — curl · raw file

curl -fsSL --create-dirs -o .claude/skills/hashgraph-online-go-http-server-applications/SKILL.md https://app.decimal.ai/s/hashgraph-online-go-http-server-applications/SKILL.md

Raw file: /s/hashgraph-online-go-http-server-applications/SKILL.md ↗ · machine-readable summary at /s/hashgraph-online-go-http-server-applications.json ↗

In productionGlobal

how this skill behaves on real traffic · last 30 days

No production data for this skill yet — usage numbers appear here once agents start running it.

Anonymized aggregate across every org using this skill — proof from real production use, not a demo.

Does this skill help? · Benchmark: with vs. withoutsign in to run this on your agents

23 test cases from the publisher’s eval.yaml · each run twice on gemini-3.6-flash — with the skill injected, then without · last run 4h ago

No measurable change+7% tokens0% turns91% of whole cases pass with skill (21/23)

Test case	Without → With	Effect	Δ tokens	Δ turns
case-14	✓→✓	＝ Same ✓	26%	0%
case-04	✓→✓	＝ Same ✓	8%	0%
case-02	✓→✓	＝ Same ✓	2%	0%
case-03	✓→✓	＝ Same ✓	-1%	0%
case-05	✓→✓	＝ Same ✓	19%	0%

Showing 5 of 23 cases

SkillSafety

✓ 3 of 3 passed

Code scan15 of 15 checks clean

0 critical · 0 warning · 0 info — scanner v4 — 8/3/2026

live_secretremote_code_executionreverse_shelldata_exfiltrationssrf_metadataagent_snoopinganti_refusaldestructive_commandsobfuscated_unicodeunicode_homoglyphopaque_blobsuspicious_urltool_overreachtrigger_abuseprompt_injection_phrasing

IntentSafe

LLM judge · does the skill do what it claims

ContentClean

LLM judge · policy & harmful-content review

Source

Imported

hashgraph-online / awesome-codex-plugins

plugins/LVTD-LLC/skills/skills/go-http-server-applications/SKILL.md

View on GitHub ↗

License MITImported 8/3/2026Version v1

Skill contents

SKILL.md

Go HTTP Server Applications

Keep handlers thin, bound untrusted input, configure the server explicitly, and make startup and shutdown part of the tested application contract.

Core Workflow

Separate domain behavior from the inbound HTTP adapter.
Define routes, methods, media types, limits, and error mappings.
Build an explicit mux and ordered middleware stack.
Decode requests strictly and within endpoint-specific byte/time budgets.
Encode complete responses before committing headers where practical.
Configure listener, server timeouts, header limits, and health semantics.
Serve under a lifecycle that observes errors and drains with a deadline.
Test handlers, routing, middleware, shared state, and real loopback behavior.

Guardrails

Do not use http.DefaultServeMux for application composition.
Do not expose a public server with zero-value timeout policy by accident.
Do not read request bodies without an endpoint-specific bound.
Do not assume a wrapped ResponseWriter preserves optional capabilities.
Do not call readiness an unconditional liveness response.
Do not let the process exit before graceful shutdown finishes.

Source Notes

Guidance is transformed and paraphrased from Inanc Gumus, Go by Example: Programmer's Guide to Idiomatic and Testable Programs (Manning, 2025), Chapters 8-9. Examples are original.

Terminal-response control-flow and timeout guidance also incorporates transformed material from Teiva Harsanyi, 100 Go Mistakes and How to Avoid Them (Manning, 2022), Chapter 10.

Book: https://www.manning.com/books/go-by-example

Verify current routing and lifecycle behavior against https://pkg.go.dev/net/http and https://pkg.go.dev/net/http/httptest for the pinned Go version.

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Other measured skills in the registry, with their headline benchmark lift.