Is SandBase Harness safe to use?

SandBase Harness has an HVTrust score of 58.6/100 (Grade C), ranked #491 of 1320 tracked AI agent projects. This score reflects verifiable supply-chain integrity, transparency, maintenance, and adoption signals.

What is the trust score for SandBase Harness?

SandBase Harness scores 58.6/100 on HVTracker's evidence-weighted HVTrust scale. It has 642 GitHub stars and is categorized under Agent Frameworks.

SandBase Harness

sandbaseai/sandbase-harness

Local-first, self-hosted AI agent runtime and MCP bridge with sandboxed sessions, memory, credentials, audit/replay, and

Agent Frameworks TypeScript Grade C Listed Apache-2.0

58.6/100

Rank #491 of 1320

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Promising trust profile, but some evidence still deserves review.

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Listing state

Listed

Evidence coverage

Grade C · 2/5 signals

Last push

2026-08-31 · 4d ago

Recent change

Rank +8

Is SandBase Harness safe? SandBase Harness scores 58.6/100 (Grade C), ranked #491 of 1320 tracked open-source AI agent projects, on evidence coverage C (2 of 5 independent signal types). The public evidence: no package-provenance attestation found; OSSF Scorecard rates its supply-chain practices 5.4/10; 27% of recent commits are signed; last pushed 2026-08-31. Every point is earned from checkable signals — never paid placement. How scoring works →

Ranked neighbours in Agent Frameworks

#53 Jido — 59.2 (C) → #54 trpc-agent-go — 58.8 (C) → #56 Burr — 58.5 (C) → #57 CowAgent — 58.3 (C) →

Quick Trust Read

What Would Improve It

Publish package provenance or release attestations for stronger supply-chain evidence.

Recent Changes

2026-09-04

Rank Moved

Rank rose 132 spots (#623 → #491)

2026-09-04

HVTrust Changed

HVTrust up 4.3pts (54.3 → 58.6)

2026-09-03

Tool Surface Changed

Detected tool/plugin surface changed: none → declared

Maintainer Checklist

Raise Scorecard signals Current OSSF Scorecard is 5.4/10. Tighten the weakest checks to improve public safety evidence.

Publish provenance Add package provenance or release attestations so users can verify where shipped artifacts came from.

Increase signed commits Raise the share of verified-signed commits to make maintainer identity and release history easier to trust.

Compare with another agent Get email alerts for SandBase Harness View Agent Frameworks Report missing data

74.6

Activity sub-score · out of 100

#55

In Agent Frameworks

How to read this: HVTrust (0–100) weighs supply-chain signals (provenance, OSSF Scorecard, signed commits, open license) alongside real-world adoption. Grade C reflects the trust score band: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Evidence coverage C is separate — it grades how many independent signal types back the score (2 of 5), so a high score on thin evidence stays visible. Full methodology →

Rank Trend

2026-08-16 2026-09-04

Activity & Reach

Stars

642

Forks

Last Push

2026-08-31

4 days ago

Commits (4 wk)

839

Downloads (7d)

—

HN mentions (30d)

—

Open Issues

Rank Change

▲132

was #623

Analysis

HVTrust Dimensions vs Agent Frameworks

58.6 / 100 · 100.0% confidence

SandBase Harness Agent Frameworks average (119 agents)

Safety / Integrity50% OSSF Scorecard · 30% provenance · 20% signed commits

8.1 / 25

1.4 below avg 9.5

Identity / Provenance60% listing status · 40% build provenance

10.8 / 18

0.8 below avg 11.6

Transparency50% declared license · 50% OSSF Scorecard

13.1 / 17

0.8 above avg 12.3

Maintenance60% last-push freshness · 40% commit activity

19.7 / 20

5.7 above avg 14.0

AdoptionLog-scaled stars · package downloads

6.7 / 20

4.3 below avg 11.0

Activity Inputs

74.6 / 100

StarsRepository reach

16.8 / 30

FreshnessLast push recency

24.4 / 25

ActivityRecent commits

25 / 25

CommunityFork signal

8.4 / 20

Supply Chain Trust

Package Provenance

None

No package attestations found

OSSF Scorecard

5.4 / 10

OpenSSF Scorecard · scanned Sep 4, 2026

Signed Commits

27%

of last 100 commits verified

Binary-Artifacts 10

Branch-Protection 0

CI-Tests -1

CII-Best-Practices 0

Code-Review 0

Contributors 0

Dangerous-Workflow 10

Dependency-Update-Tool 10

Fuzzing 0

License 10

Maintained 0

Packaging 10

Pinned-Dependencies 3

SAST 10

Security-Policy 10

Signed-Releases -1

Token-Permissions 10

Vulnerabilities 0

Is SandBase Harness safe?

SandBase Harness has a mixed signal profile. Some trust indicators are present, others are missing. Whether it is safe for your use case depends on which gaps matter to you — review the breakdown below before adopting in production.

Does SandBase Harness publish package provenance?

No published build provenance is currently detected for SandBase Harness. This is common for open-source projects but means consumers cannot independently verify that the package on the registry matches the GitHub source.

Does SandBase Harness have an OpenSSF Scorecard?

SandBase Harness has an OpenSSF Scorecard score of 5.4/10. The Scorecard checks for branch protection, signed releases, dependency updates, fuzzing, code review, and other supply-chain hygiene items. See the full check breakdown on this page.

Is SandBase Harness actively maintained?

Actively maintained. The repository was pushed to within the last 4 day(s).

What license does SandBase Harness use?

SandBase Harness ships under Apache-2.0. A declared, OSI-approved license is one of the transparency signals HVTrust scores.

Are SandBase Harness's commits signed?

27% of the last 100 commits to SandBase Harness are verified-signed (GPG, SSH, S/MIME, or GitHub's signing flow). Signed commits help confirm that code was authored by who the commit claims.

Not a safety endorsement. HVTracker describes what public signals show, not whether a project is safe for your use case. Run your own security review before adopting in production.

AI agent surface

MCP, providers, tool surface

Scored in HVTrust

These runtime-trust fields — detected from public repo docs and manifests — contribute a bounded adjustment to this project's HVTrust score alongside supply-chain evidence. The exact values each field can add or subtract are documented in the methodology → Compare this surface across every listed agent in the capability matrix →

MCP Server Support

high confidence

Implemented

SandBase Harness appears to expose MCP server capabilities.

Detailed evidence is not shown in the public view.

External Service Dependencies

high confidence

2 detected

Public provider/service dependencies detected.

Credential signal: API keys or service config markers documented.

Tool / Plugin Surface

high confidence

Declared

Declared plugin/integration surface detected.

Detailed evidence is not shown in the public view.

Package Provenance Drift

N/A

No package source configured

Detailed evidence is not shown in the public view.

MCP signal live
External deps live
Tool / plugin surface live
Package provenance drift live

How this surface has changed

Detected changes to SandBase Harness's runtime surface and supply-chain posture, from daily public-signal snapshots. A change here means our detectors see something different — a genuinely changed capability, or better evidence of an existing one.

2026-09-03

Tool Surface Changed

Detected tool/plugin surface changed: none → declared

Maintain SandBase Harness?

For maintainers

HVTrust scores SandBase Harness from public signals only — we never contact maintainers first. If a signal is wrong, stale, or missing (provenance you publish, a Scorecard you run, signed releases), tell us and we'll review it. Corrections are public and tracked on GitHub.

Submit a correction → Add the trust badge

Reputation Timeline

Signal history

2026-09-04

Rank Moved

Rank rose 132 spots (#623 → #491)

2026-09-04

HVTrust Changed

HVTrust up 4.3pts (54.3 → 58.6)

2026-09-03

Tool Surface Changed

Detected tool/plugin surface changed: none → declared

2026-09-03

Rank Moved

Rank dropped 35 spots (#588 → #623)

2026-09-02

Rank Moved

Rank dropped 24 spots (#564 → #588)

2026-09-01

Rank Moved

Rank dropped 17 spots (#547 → #564)

2026-08-31

Rank Moved

Rank dropped 32 spots (#515 → #547)

2026-08-30

Rank Moved

Rank rose 10 spots (#525 → #515)

2026-08-29

Rank Moved

Rank dropped 27 spots (#498 → #525)

2026-08-26

Scorecard Added

OSSF Scorecard: 3.4/10

2026-08-26

Grade Changed

Trust grade D → C

2026-08-26

Rank Moved

Rank rose 397 spots (#887 → #490)

2026-08-26

HVTrust Changed

HVTrust up 30.4pts (23.7 → 54.1)

2026-08-24

Rank Moved

Rank dropped 13 spots (#870 → #883)

2026-08-23

Rank Moved

Rank rose 11 spots (#881 → #870)

2026-08-20

Rank Moved

Rank rose 10 spots (#895 → #885)

2026-08-16

Newly Listed

First tracked at rank #903

GitHub →

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Other agents in Agent Frameworks

Data sources
GitHub REST API (repo, commits, stars, forks, license) · OpenSSF Scorecard CLI
Each agent's signals refresh once daily across 6 staggered batches. Methodology v4.3 · Raw JSON