Google Skills

Agent Skills for Google products and technologies

Agent Skills Python Listed Apache-2.0

Is Google Skills safe? Promising trust profile, but some evidence still deserves review.

OSSF Scorecard 5.7 / 10
Provenance None
Signed commits 2%
Last push yesterday
Compare Google Skills
Suggest a correction

In detail: Google Skills scores 62.3/100 (Grade C), ranked #83 of 371 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 5.7/10; 2% of recent commits are signed; last pushed 2026-10-09. Every point is earned from checkable signals — never paid placement. How scoring works →

How Google Skills could raise its score

Each line changes one public signal and recomputes with the live scoring function. The gains don't add up exactly, because the score is capped near the top.

Chain of custody

Scanners check what the code says. This traces who ships Google Skills and whether that has changed: from the source repository, through how changes are reviewed and released, to the code you run. These are the checks for OWASP ASI04 Agentic Supply Chain Vulnerabilities and, for skills, AST02 Supply Chain Compromise.

  1. Source Partly signed

    github.com/google/skills, Apache-2.0, last pushed 2026-10-09. 2% of the last 100 commits carry a verified signature; the rest can't be tied to a verified identity.

  2. Review and release Mixed

    OpenSSF Scorecard rates the repository's practices 5.7/10 (scanned Oct 10, 2026). The checks that decide who can get a change released:

    • Code Review10
    • Branch Protection0
    • Signed Releasesn/a
    • Dangerous Workflow10
    • Token Permissions10
    • Pinned Dependencies3
    All 18 Scorecard checks
    Binary-Artifacts 10
    Branch-Protection 0
    CI-Tests 10
    CII-Best-Practices 0
    Code-Review 10
    Contributors 6
    Dangerous-Workflow 10
    Dependency-Update-Tool 0
    Fuzzing 0
    License 10
    Maintained 10
    Packaging -1
    Pinned-Dependencies 3
    SAST 0
    Security-Policy 10
    Signed-Releases -1
    Token-Permissions 10
    Vulnerabilities 0
  3. Published packages None

    No registry package. Google Skills is used from its repository, so what you run is whatever you check out: pin a release tag or commit.

Changes to this chain

  • 2026-08-28 OSSF Scorecard: 5.5/10

Evidence behind this score

Coverage C: 2 of 5 independent evidence types found.

  • GitHub repository data
  • Package downloads (missing)
  • Supply-chain checks
  • Public actions (missing)
  • Community mentions (missing)

Verify this score yourself

Every build re-issues Google Skills’s score as an Ed25519-signed credential, valid for 7 days. You can check it offline against HVTracker’s published key; if anyone changes a number after signing, verification fails.

What this score doesn’t check

It covers who ships the code, not what the code does. It doesn’t read the skill’s instructions for injected instructions, watch runtime behaviour, or find bugs nobody has disclosed yet. For that, run a content scanner before you install it, such as Cisco Skill Scanner.

How Google Skills compares in Agent Skills

  1. #81 Autoharness 62.4 +0.1
  2. #82 Stop That Shit 62.3 ±0
  3. #83 Google Skills 62.3 this agent
  4. #84 Opensquilla 62.1 −0.2
  5. #85 Agent Orchestrator 62.1 −0.2

Bars show each HVTrust score; the tick marks Google Skills’s 62.3.

Where the 62.3 comes from

HVTrust dimensions vs the Agent Skills average

62.3 / 100 · 100.0% confidence

Google Skills Agent Skills average (371 agents)

Safety / Integrity50% OSSF Scorecard · 30% provenance · 20% signed commits
7.2 / 25
0.6 below avg 7.8
Identity / Provenance60% listing status · 40% build provenance
10.8 / 18
0.6 below avg 11.4
Transparency50% declared license · 50% OSSF Scorecard
13.3 / 17
1.3 above avg 12.0
Maintenance60% last-push freshness · 40% commit activity
19.9 / 20
5.8 above avg 14.1
AdoptionLog-scaled stars · package downloads
10.4 / 20
1.4 above avg 9.0

Quick Trust Read

What Would Improve It
Publish package provenance or release attestations for stronger supply-chain evidence.
Recent Changes
2026-09-23
Tool Surface Changed
Detected tool/plugin surface changed: none → declared
2026-09-23
Provider Added
Runtime surface grew — new detected provider dependencies: Anthropic, Google Gemini, OpenAI
2026-09-23
Mcp Status Changed
Detected MCP server support changed: none → implemented
Maintainer Checklist
Raise Scorecard signals Current OSSF Scorecard is 5.7/10. 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.
90.8
Activity sub-score · out of 100
#83

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 →

Signals refreshed 2026-10-10 20:07 UTC · Repo last pushed yesterday

Rank Trend

2026-09-29 2026-10-10

Activity & Reach

Stars
21.1k
Forks
1.8k
Last Push
2026-10-09
yesterday
Commits (4 wk)
98
Downloads (7d)
—
HN mentions (30d)
—
Open Issues
20
Rank Change
▼1
was #82

Analysis

Activity Inputs

90.8 / 100
StarsRepository reach
25.9 / 30
FreshnessLast push recency
24.9 / 25
ActivityRecent commits
24.9 / 25
CommunityFork signal
15.1 / 20

Common questions about Google Skills

Google Skills 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 Google Skills publish package provenance?
No published build provenance is currently detected for Google Skills. This is common for open-source projects but means consumers cannot independently verify that the package on the registry matches the GitHub source.
Does Google Skills have an OpenSSF Scorecard?
Google Skills has an OpenSSF Scorecard score of 5.7/10. 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 Google Skills actively maintained?
Actively maintained. The repository was pushed to within the last 1 day(s).
What license does Google Skills use?
Google Skills ships under Apache-2.0. A declared, OSI-approved license is one of the transparency signals HVTrust scores.
Are Google Skills's commits signed?
2% of the last 100 commits to Google Skills 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
Google Skills appears to expose MCP server capabilities.
Detailed evidence is not shown in the public view.
External Service Dependencies
high confidence
3 detected
Public provider/service dependencies detected.
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
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 Google Skills'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.

2026-09-23
Tool Surface Changed
Detected tool/plugin surface changed: none → declared
2026-09-23
Provider Added
Runtime surface grew — new detected provider dependencies: Anthropic, Google Gemini, OpenAI
2026-09-23
Mcp Status Changed
Detected MCP server support changed: none → implemented

Maintain Google Skills?

For maintainers

HVTrust scores Google Skills 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.

Reputation Timeline

Signal history
Rank 4Listed 2HVTrust 2Grade 1Scorecard 1Delisted 1MCP 1Surface 1Surface 1
2026-09-23
Tool Surface Changed
Detected tool/plugin surface changed: none → declared
2026-09-23
Provider Added
Runtime surface grew — new detected provider dependencies: Anthropic, Google Gemini, OpenAI
2026-09-23
Mcp Status Changed
Detected MCP server support changed: none → implemented
2026-09-23
Rank Moved
Rank dropped 66 spots (#16 → #82)
2026-09-23
HVTrust Changed
HVTrust up 9.4pts (52.2 → 61.6)
2026-09-22
Newly Listed
First tracked at rank #16
2026-09-21
Removed From Active Tracking
Removed from active tracking
2026-09-05
Rank Moved
Rank dropped 13 spots (#48 → #61)
2026-08-28
Scorecard Added
OSSF Scorecard: 5.5/10
2026-08-28
Grade Changed
Trust grade D → C
2026-08-28
Rank Moved
Rank rose 104 spots (#137 → #33)
2026-08-28
HVTrust Changed
HVTrust up 36.3pts (25.6 → 61.9)
2026-08-27
Rank Moved
Rank dropped 22 spots (#115 → #137)
2026-08-26
Newly Listed
First tracked at rank #115

Embed Badge Badge guide for maintainers →

For maintainers
HVTrust 62.3 Grade C
Markdown:
[![HVTrust](https://hvtracker.net/badge/google-skills.svg)](https://hvtracker.net/agents/google-skills)
HTML:
<a href="https://hvtracker.net/agents/google-skills"><img src="https://hvtracker.net/badge/google-skills.svg" alt="HVTrust"></a>

Other agents in Agent Skills

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 v4.4 · Raw JSON