# hiero-ledger/hiero-mirror-node — health index 95/100 (Exceptional)

> Inspection of the public repository hiero-ledger/hiero-mirror-node by inspect.software. It holds a health index of 95 out of 100, placing it in the Exceptional band. The index is a signal derived from publicly visible practice, not a warranty, a security audit, or an endorsement, and it is independent of payment.

- Repository: https://github.com/hiero-ledger/hiero-mirror-node
- Report page: https://inspect.software/software/hiero-ledger/hiero-mirror-node
- Full JSON report: https://inspect.software/api/repositories/hiero-ledger/hiero-mirror-node/report
- Badge: https://raw.githubusercontent.com/inspect-software/badges/main/v1/h/hiero-ledger/hiero-mirror-node.svg
- Inspected: 2026-07-30
- Methodology: metrics 2.3.1, report schema 0.27.0 (https://inspect.software/methodology.md)

## Category summary

| Category | Weight | Index | Band |
|---|---|---|---|
| Vitality | 21% | 100/100 | Exceptional |
| Community & Adoption | 17% | 76/100 | Good |
| Sustainability & Governance | 23% | 82/100 | Excellent |
| Engineering Quality | 19% | 76/100 | Good |
| Security | 16% | 73/100 | Good |
| AI Readiness | 4% | 66/100 | Good |

The weighted overall 82 is calibrated to 95 on the published index scale (record calibration 2026-08-02).

## Repository facts

| Field | Value |
|---|---|
| Description | Hiero Mirror Node archives data from consensus nodes and serves it via an API |
| Primary language | Java |
| License | Apache-2.0 |
| Stars | 185 |
| Forks | 147 |
| Created | 2019-07-17 |
| Last push | 2026-07-30 |
| Latest release | v0.160.0-rc2 |
| Commits (last year) | 1,251 |
| Bus factor | 3 |

## Published packages

| Registry | Package | Latest | Monthly downloads |
|---|---|---|---|
| go | github.com/hiero-ledger/hiero-mirror-node | v0.159.2 | — |

## Vitality — 100/100 (Exceptional)

Is the project alive — is code being written and are releases shipping? Weight: 21% of the overall index.

### Development activity — 100/100 (Exceptional)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Push recency | met | 36 / 36 | last push 0 days ago |
| Commit cadence | met | 36 / 36 | 52/52 weeks with commits |
| Commit volume | met | 18 / 18 | 1251 commits in the last year |
| OpenSSF Scorecard: Maintained | met | 10 / 10 | 30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10 |

### Release discipline — 100/100 (Exceptional)

Excluded from scoring (no data or not applicable): OpenSSF Scorecard: Signed-Releases. Remaining weights renormalized.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Ships releases | met | 27 / 27 | 100 releases published |
| Release recency | met | 36 / 36 | latest release 0 days ago |
| Release cadence | met | 27 / 27 | a release every ~3.4 days |
| OpenSSF Scorecard: Signed-Releases | excluded | 0 / 10 | no releases found |

### Abandonment — 100/100 (Exceptional)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Project is still maintained | met | 100 / 100 | last human commit 4 days ago |

## Community & Adoption — 76/100 (Good)

Does the project have users, downloads, attention, and a welcoming setup for contributors? Weight: 17% of the overall index.

### Popularity & adoption — 62/100 (Moderate)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Stars | partial | 36.7 / 60 | 185 stars |
| Forks | partial | 18 / 25 | 147 forks |
| Watchers | partial | 7.8 / 15 | 26 watchers |

### Community health — 92/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| README | met | 22.5 / 22.5 | — |
| License | met | 22.5 / 22.5 | recognized license (Apache-2.0) |
| CONTRIBUTING guide | met | 18 / 18 | — |
| Code of conduct | met | 13.5 / 13.5 | — |
| Issue template | not met | 0 / 7.2 | — |
| PR template | met | 6.3 / 6.3 | — |

## Sustainability & Governance — 82/100 (Excellent)

Will the project survive its people — bus factor, responsiveness, who backs it, and package upkeep? Weight: 23% of the overall index.

### Maintainer resilience (bus factor) — 76/100 (Good)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Bus factor | partial | 36 / 54 | 3 contributor(s) cover half of all commits |
| Commit distribution | partial | 16.2 / 22.5 | top contributor authored 28% of commits |
| Contributor breadth | met | 13.5 / 13.5 | 87 contributors |
| OpenSSF Scorecard: Contributors | met | 10 / 10 | project has 14 contributing companies or organizations |

### Issue & PR responsiveness — 94/100 (Exceptional)

Excluded from scoring (no data or not applicable): Newcomer PR acceptance. Remaining weights renormalized.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Issue resolution | partial | 39.5 / 42 | 94% of issues closed |
| PR acceptance | partial | 27.3 / 30 | 9183/10080 decided PRs merged |
| Newcomer PR acceptance | excluded | 0 / 13 | no first-time contributor's PR decided in 30d |
| OpenSSF Scorecard: Code-Review | met | 15 / 15 | all changesets reviewed |

### Ownership & stewardship — 63/100 (Moderate)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Ownership backing | met | 30 / 30 | organization-owned |
| Verified domain | not met | 0 / 20 | — |
| Owner reach | partial | 17.3 / 25 | 250 followers of hiero-ledger |
| Track record | partial | 15.7 / 25 | 41 public repos, account ~1 yr old |

### Package maintenance — 100/100 (Exceptional)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Published & resolvable | met | 25 / 25 | 1 package(s) on go |
| Publish recency | met | 35 / 35 | latest publish 5 days ago |
| Version history | met | 20 / 20 | 632 published versions |
| Not deprecated | met | 20 / 20 | active, not deprecated or yanked |

## Engineering Quality — 76/100 (Good)

Are baseline engineering and documentation practices in place? Weight: 19% of the overall index.

### Engineering practices — 84/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| CI workflows | met | 24 / 24 | 21 workflow(s) |
| Tests present | met | 24 / 24 | — |
| Linter config | met | 16 / 16 | .eslintrc.json |
| Pre-commit hooks | not met | 0 / 9.6 | — |
| .editorconfig | not met | 0 / 6.4 | — |
| OpenSSF Scorecard: CI-Tests | met | 20 / 20 | 30 out of 30 merged PRs checked by a CI test -- score normalized to 10 |

### Documentation — 65/100 (Good)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| README | met | 30 / 30 | — |
| Documentation directory | met | 25 / 25 | — |
| Documentation / homepage site | not met | 0 / 15 | — |
| Repository description | met | 10 / 10 | — |
| Topics | not met | 0 / 10 | — |
| Wiki | not met | 0 / 10 | — |

## Security — 73/100 (Good)

Are visible security and supply-chain practices strong, with no malicious dependency and no unresolved high-risk jurisdiction exposure? Weight: 16% of the overall index.

### Security posture — 78/100 (Good)

Excluded from scoring (no data or not applicable): Signed-Releases. Remaining weights renormalized.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Binary-Artifacts | partial | 6.8 / 7.5 | binaries present in source code |
| Branch-Protection | partial | 3.8 / 7.5 | branch protection is not maximal on development and all release branches |
| CI-Tests | met | 2.5 / 2.5 | 30 out of 30 merged PRs checked by a CI test -- score normalized to 10 |
| CII-Best-Practices | partial | 0.5 / 2.5 | badge detected: InProgress |
| Code-Review | met | 7.5 / 7.5 | all changesets reviewed |
| Contributors | met | 2.5 / 2.5 | project has 14 contributing companies or organizations |
| Dangerous-Workflow | met | 10 / 10 | no dangerous workflow patterns detected |
| Dependency-Update-Tool | met | 7.5 / 7.5 | update tool detected |
| Fuzzing | not met | 0 / 5 | project is not fuzzed |
| License | met | 2.5 / 2.5 | license file detected |
| Maintained | met | 7.5 / 7.5 | 30 commit(s) and 0 issue activity found in the last 90 days -- score normalized to 10 |
| Packaging | met | 5 / 5 | packaging workflow detected |
| Pinned-Dependencies | partial | 3.5 / 5 | dependency not pinned by hash detected -- score normalized to 7 |
| SAST | met | 5 / 5 | SAST tool is run on all commits |
| Security-Policy | met | 5 / 5 | security policy file detected |
| Signed-Releases | excluded | 0 / 7.5 | no releases found |
| Token-Permissions | not met | 0 / 7.5 | detected GitHub workflow tokens with excessive permissions |
| Vulnerabilities | partial | 6 / 7.5 | 2 existing vulnerabilities detected |

### Dependency advisories — 55/100 (Moderate)

Excluded from scoring (no data or not applicable): Indirect dependencies free of known advisories. Remaining weights renormalized. Matched 1797 resolved dependencies against OSV; 11 could not be assessed (no resolved version, an unsupported ecosystem, or beyond the reported package list). This repository publishes no package the index resolves, so the repository dependency graph was assessed instead. That graph mixes development and test pins with shipped dependencies, so only the declared runtime dependencies are scored; transitive findings are reported as context and excluded from the score. Reachability is not analyzed.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Direct dependencies free of known advisories | partial | 11.8 / 35 | 2 affected: github.com/sirupsen/logrus 1.8.1 (high 7.5), google.golang.org/protobuf 1.27.1 (high 7.5) |
| Indirect dependencies free of known advisories | excluded | 0 / 25 | transitive set not separable from development and test dependencies in this scope |
| No advisories left outstanding | partial | 29.1 / 40 | 2 advisory-carrying package(s) unaddressed past 90 days; oldest published 876 days ago |

### Malicious dependencies — 100/100 (Exceptional)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| No dependency reported as a malicious package | met | 100 / 100 | no dependency is reported as a malicious package |

### High-Risk Jurisdiction Exposure — 100/100 (Exceptional)

Only high-confidence self-published location evidence affects this multiplier. Ambiguous matches are review-only; country evidence is not proof of nationality, citizenship, legal registration, malicious intent, or sanctions status.

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Policy exposure multiplier | met | 100 / 100 | no confirmed policy-scope location match |

## AI Readiness — 66/100 (Good)

How well is the repo equipped to be developed and maintained with AI coding agents? Carries a deliberately small weight: agent tooling is a real maintenance signal, but its absence must never gate the top of the scale (calibration saturates at raw 91, so 100/100 remains reachable with AI Readiness at zero).

### Agent context & guidance — 40/100 (Weak)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Agent instructions | not met | 0 / 45 | no CLAUDE.md / AGENTS.md / editor rules |
| Machine-readable docs (llms.txt) | not met | 0 / 15 | — |
| Legible commit history | met | 40 / 40 | 54 of 54 human commits state their intent (structured subject or explanatory body) |

### Verify loop (build / test / typecheck) — 82/100 (Excellent)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| One-command bootstrap | partial | 12.6 / 18 | build.gradle.kts, buildSrc/build.gradle.kts, common/build.gradle.kts (toolchain convention, no task runner) |
| Automated tests | met | 22 / 22 | — |
| Lint / format config | met | 11 / 11 | .eslintrc.json |
| Static type checking | met | 11 / 11 | Java (statically typed) |
| Reproducible environment | met | 10 / 10 | Dockerfile, lockfile |
| Demonstrated agent practice | not met | 0 / 10 | no agent-authored commits among the last 100 |
| Automated maintenance | met | 8 / 8 | 46 of the last 100 commits are automated dependency updates |
| OpenSSF Scorecard: Pinned-Dependencies | partial | 7 / 10 | dependency not pinned by hash detected -- score normalized to 7 |

### Code legibility for models — 100/100 (Exceptional)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| Type-checkable code | met | 45 / 45 | Java (statically typed) |
| Manageable file sizes | partial | 54.5 / 55 | 21/2446 source files over 60KB |

### Machine-readable interfaces — 40/100 (Weak)

| Criterion | Status | Points | Detail |
|---|---|---|---|
| API schema (OpenAPI/GraphQL/proto) | met | 40 / 40 | graphql/src/main/resources/graphql/account.graphqls, graphql/src/main/resources/graphql/common.graphqls, graphql/src/main/resources/graphql/directive.graphqls, graphql/src/main/resources/graphql/query.graphqls, graphql/src/main/resources/graphql/scalar.graphqls, protobuf/src/main/proto/com/hedera/mirror/api/proto/consensus_service.proto, protobuf/src/main/proto/com/hedera/mirror/api/proto/network_service.proto, rest/api/v1/openapi.yml, rest/proto/google/protobuf/wrappers.proto |
| MCP server | not met | 0 / 20 | — |
| Runnable examples | not met | 0 / 40 | — |

## Collection warnings

- Star history unavailable: GitHub GraphQL error: Resource not accessible by personal access token

## What this report is

inspect.software measures public repositories against a single published, versioned methodology and reports the result as a 1–100 health index. Findings are signals derived from what is visible in public repository data — they are not a security audit, a warranty, or an endorsement, and no result depends on payment.

- Methodology, formulas and weights: https://inspect.software/methodology.md
- What a result does and does not claim: https://inspect.software/wiki/signals-not-warranties.md
- Rating bands: https://inspect.software/wiki/scoring-bands.md
- Corrections: https://inspect.software/contact.md
- Index of all documents: https://inspect.software/llms.txt