Is ARC-1 safe to use?

ARC-1 has an HVTrust score of 57.6/100 (Grade C), ranked #531 of 1320 tracked AI agent projects. This score reflects verifiable supply-chain integrity, transparency, maintenance, and adoption signals.

What is the trust score for ARC-1?

ARC-1 scores 57.6/100 on HVTracker's evidence-weighted HVTrust scale. It has 177 GitHub stars and is categorized under MCP Servers.

ARC-1

arc-mcp/arc-1

MCP Servers TypeScript Grade C Listed MIT

57.6/100

Rank #531 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

2026-09-04 · 0d ago

Recent change

Rank +14

Is ARC-1 safe? ARC-1 scores 57.6/100 (Grade C), ranked #531 of 1320 tracked open-source AI agent projects, on evidence coverage C (2 of 5 independent signal types). The public evidence: its packages ship with cryptographic provenance; OSSF Scorecard rates its supply-chain practices 7.0/10; 100% of recent commits are signed; last pushed 2026-09-04. Every point is earned from checkable signals — never paid placement. How scoring works →

Ranked neighbours in MCP Servers

#245 Tradingview MCP — 57.6 (C) → #246 Cyberbro MCP Server — 57.6 (C) → #248 Pagerduty MCP Server — 57.5 (C) → #249 SearXNG HTTP MCP — 57.4 (C) →

Quick Trust Read

What Would Improve It

Expose more independent signals, such as package metadata, provenance, or public usage evidence.

Recent Changes

2026-09-04

Rank Moved

Rank dropped 22 spots (#509 → #531)

2026-09-03

Rank Moved

Rank dropped 22 spots (#487 → #509)

2026-09-02

Grade Changed

Trust grade A → C

Maintainer Checklist

Keep signals current Trust posture is already in a healthy range. The main job is to keep provenance, maintenance, and public evidence fresh.

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67.8

Activity sub-score · out of 100

#247

In MCP Servers

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

2026-08-11 2026-09-04

Activity & Reach

Stars

177

Forks

Last Push

2026-09-04

today

Commits (4 wk)

Downloads (7d)

—

HN mentions (30d)

—

Open Issues

Rank Change

▼22

was #509

Analysis

HVTrust Dimensions vs MCP Servers

57.6 / 100 · 67.0% confidence

ARC-1 MCP Servers average (778 agents)

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

21.2 / 25

11.6 above avg 9.6

Identity / Provenance60% listing status · 40% build provenance

18.0 / 18

4.6 above avg 13.4

Transparency50% declared license · 50% OSSF Scorecard

14.4 / 17

2.6 above avg 11.8

Maintenance60% last-push freshness · 40% commit activity

18.8 / 20

6.6 above avg 12.2

AdoptionLog-scaled stars · package downloads

5.4 / 20

0.9 below avg 6.3

Activity Inputs

67.8 / 100

StarsRepository reach

13.5 / 30

FreshnessLast push recency

25.0 / 25

ActivityRecent commits

21.2 / 25

CommunityFork signal

8.1 / 20

Supply Chain Trust

Package Provenance

Verified

npm attestation

OSSF Scorecard

7.0 / 10

OpenSSF Scorecard · scanned Sep 3, 2026

Signed Commits

100%

of last 100 commits verified

Binary-Artifacts 10

Branch-Protection 3

CI-Tests 10

CII-Best-Practices 0

Code-Review 1

Contributors 10

Dangerous-Workflow 10

Dependency-Update-Tool 10

Fuzzing 0

License 10

Maintained 10

Packaging 10

Pinned-Dependencies 6

SAST 9

Security-Policy 10

Signed-Releases 0

Token-Permissions 8

Vulnerabilities 10

Is ARC-1 safe?

ARC-1 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 ARC-1 publish package provenance?

Yes. ARC-1's package releases carry build provenance attestations, which cryptographically link the published package back to its source repository and CI workflow.

Does ARC-1 have an OpenSSF Scorecard?

ARC-1 has an OpenSSF Scorecard score of 7.0/10. 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 ARC-1 actively maintained?

Actively maintained. The repository was pushed to within the last 1 day(s).

What license does ARC-1 use?

ARC-1 ships under MIT. A declared, OSI-approved license is one of the transparency signals HVTrust scores.

Are ARC-1's commits signed?

100% of the last 100 commits to ARC-1 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

ARC-1 appears to expose MCP server capabilities.

Detailed evidence is not shown in the public view.

External Service Dependencies

medium confidence

1 detected

Public provider/service dependencies detected.

Anthropic

Credential signal: No explicit API-key/config marker detected.

Tool / Plugin Surface

high confidence

Declared

Declared plugin/integration surface detected.

Detailed evidence is not shown in the public view.

Package Provenance Drift

high confidence

Match

Published package metadata matches the tracked repo

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 ARC-1'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.

2026-08-12

Tool Surface Changed

Detected tool/plugin surface changed: marketplace → declared

Maintain ARC-1?

For maintainers

HVTrust scores ARC-1 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 dropped 22 spots (#509 → #531)

2026-09-03

Rank Moved

Rank dropped 22 spots (#487 → #509)

2026-09-02

Grade Changed

Trust grade A → C

2026-09-02

Rank Moved

Rank dropped 455 spots (#32 → #487)

2026-09-02

HVTrust Changed

HVTrust down 29.6pts (87.2 → 57.6)

2026-08-31

Grade Changed

Trust grade C → A

2026-08-31

Rank Moved

Rank rose 406 spots (#439 → #33)

2026-08-31

HVTrust Changed

HVTrust up 29.9pts (57.3 → 87.2)

2026-08-30

Grade Changed

Trust grade A → C

2026-08-30

Rank Moved

Rank dropped 404 spots (#35 → #439)

2026-08-30

HVTrust Changed

HVTrust down 29.5pts (86.8 → 57.3)

2026-08-29

Scorecard Added

OSSF Scorecard: 7.0/10

2026-08-29

Grade Changed

Trust grade B → A

2026-08-29

Rank Moved

Rank rose 102 spots (#137 → #35)

2026-08-29

HVTrust Changed

HVTrust up 13.9pts (72.9 → 86.8)

2026-08-26

Rank Moved

Rank dropped 18 spots (#108 → #126)

2026-08-12

Tool Surface Changed

Detected tool/plugin surface changed: marketplace → declared

2026-08-08

Newly Listed

First tracked at rank #98

GitHub → npm: arc-1

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Other agents in MCP Servers

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