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Snailclimb/JavaGuide

56.8

Weak · 1 October 2026

3.6k

lines of production code

TypeScript

with JavaScript

2

measurements over time

CAI band scale
CAI trend line
CAI lens gauges

What this system is

This system is a Java-based library focused on data structures and algorithms, specifically implementing common security algorithms. Recent activity indicates a significant refactoring of core behavioral logic, followed by a shift toward maintaining dependency security and resolving regressions rather than adding new features. The project currently prioritizes stability and vulnerability mitigation over functional expansion.

How it got here

2018 — security algorithm implementation

2 changes.

This period focused on implementing common security algorithms within the data structures and algorithms module. The work involved adding Java source code for these algorithms along with corresponding documentation. The changes were distributed across two main feature additions, each carrying four commits.

August 2026 — major behavioral overhaul and maintenance

2 changes.

The period was dominated by a massive, repo-wide change to existing behavior, involving 1120 commits across 42 files. This significant shift in core functionality was accompanied by routine dependency and build maintenance later in the month. The work focused on implementing substantial behavioral changes while keeping dependencies up to date.

September 2026 — security maintenance and regression resolution

3 changes.

The period focused on addressing security vulnerabilities within the project's dependencies and resolving a regression that introduced new security findings. Work included patching critical issues in transitive libraries such as js-yaml and @xmldom/xmldom by enforcing specific versions. The team also resolved six security issues, largely through configuration and non-code adjustments rather than new code commits.

Written by watchdog.canine.dev from the codebase's own history, inside the signed delivery this page is composed from.

How this codebase got here

Score

  • CAI 54 → 57 (+3.0)
  • Rubric changed (rubric-2026.09.11 → rubric-2026.09.18) — scores are not directly comparable.

Lenses

  • Code Health 100 → 100 (+0.0)
  • Architecture 69 → 98 (+29.1)
  • Maturity 64 → 63 (-0.7)
  • Readiness 35 → 35 (+0.0)
  • Security 90 → 98 (+7.9)
  • Accessibility 70 → 70 (+0.0)
  • Performance 100 (new)

Resolved (7)

  • Documentation: no installation or build instructions (README.md)
  • High CVE: [GHSA redacted] (pnpm-lock.yaml)
  • High CVE: [GHSA redacted] (pnpm-lock.yaml)
  • High CVE: [GHSA redacted] (pnpm-lock.yaml)
  • High CVE: [GHSA redacted] (pnpm-lock.yaml)
  • Medium CVE: [GHSA redacted] (pnpm-lock.yaml)
  • Medium CVE: [GHSA redacted] (pnpm-lock.yaml)

New (3)

  • High CVE: [GHSA redacted] (pnpm-lock.yaml)
  • Low vulnerability: [GHSA redacted] (pnpm-lock.yaml)
  • Medium vulnerability: [GHSA redacted] (pnpm-lock.yaml)

Changes since last survey

  • 10 commits — 9 feature/other, 1 fixes

By area

  • (repo) — 3 commits
  • docs/java — 2 commits
  • (root) — 1 commit
  • docs/database — 1 commit
  • docs/distributed-system — 1 commit
  • docs/system-design — 1 commit
  • docs/zhuanlan — 1 commit

Notable commits

  • fix: fix(deps): patch dependency security vulnerabilities
  • change: Correct method signature spacing in MethodInterceptor
  • change: Merge pull request #2915 from dajiaohuang/docs/2914-mcp-2026-07-28
  • change: Merge pull request #2917 from Snailclimb/codex/dependency-security-20260919
  • change: Merge pull request #2920 from qcsmallblack/patch-1
  • change: docs(distributed-system): rework distributed lock motivation with multi-instance scenario
  • change: docs(mysql): add missing exclusive-lock comment for SELECT ... FOR UPDATE
  • change: docs(system-design): add state machine/workflow guide and Spring Boot executable JAR article
  • change: docs(zhuanlan): update Spring AI interview project overview
  • change: docs: strengthen cache consistency, ZGC, Java 17/21 and data migration content

Written by watchdog.canine.dev from the codebase's own history, inside the signed delivery this page is composed from.

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Snailclimb/JavaGuide was measured the same way every project in this corpus was: the same rubric, at a pinned commit, with the result published in full. Point a surveyor at a repository you know and see whether you agree with it.

About this page

  • The score is its most recent published measurement, taken on 1 October 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
  • Measured at commit 31f891d3053dc2af6c2fd1a0b94af233496a718c — the exact code this score is about.
  • Scored under rubric-2026.09.18 — the same rubric and the same method as every other entry in this index.
  • Measured by watchdog.canine.dev using codehealth-analyzer preprod-e569280dd5e2.