Is Perplexity Comet MCP safe to use?

Perplexity Comet MCP has an HVTrust score of 42.7/100 (Grade D), ranked #1162 of 1374 tracked AI agent projects. This score reflects verifiable supply-chain integrity, transparency, maintenance, and adoption signals.

What is the trust score for Perplexity Comet MCP?

Perplexity Comet MCP scores 42.7/100 on HVTracker's evidence-weighted HVTrust scale. It has 53 GitHub stars and is categorized under MCP Servers.

Perplexity Comet MCP

Repository

MCP server connecting Claude Code to Perplexity Comet browser. Autonomous web browsing, agentic research, multi-tab management. Windows/WSL/macOS support. Smart completion detection, auto-reconnect, tab protection. Enhanced fork with 7 tools including comet_tabs.

MCP Servers TypeScript Listed MIT

Is Perplexity Comet MCP safe? Thin or incomplete trust evidence. Review carefully before production use.

OSSF Scorecard 2.9 / 10

Provenance None

Signed commits 27%

Last push 141d ago

Advisories None known

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In detail: Perplexity Comet MCP scores 42.7/100 (Grade D), ranked #1162 of 1374 tracked open-source AI agent projects, on evidence coverage B (3 of 5 independent signal types). The public evidence: no package-provenance attestation found; OSSF Scorecard rates its supply-chain practices 2.9/10; 27% of recent commits are signed; no published advisory affects its latest release (perplexity-comet-mcp); last pushed 2026-06-22. Every point is earned from checkable signals — never paid placement. How scoring works →

How Perplexity Comet MCP 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.

Publish build provenance for its packagesnpm publish --provenance from CI +14.7 → 57.4 C · #422 of 778
Raise the OSSF Scorecard from 2.9 to 9.0lowest checks: Branch-Protection 0, CII-Best-Practices 0, Dependency-Update-Tool 0 +12.7 → 55.4 C · #463 of 778
Sign every commit27% signed today +3.6 → 46.3 D · #624 of 778

Already done? Suggest a correction Add the trust badge

Chain of custody

Scanners check what the code says. This traces who ships Perplexity Comet MCP and whether that has changed: from the source repository, through how changes are reviewed and released, to the package you install. These are the checks for OWASP ASI04 Agentic Supply Chain Vulnerabilities.

Source Partly signed

github.com/RapierCraft/Perplexity-Comet-MCP, MIT, last pushed 2026-06-22. 27% of the last 100 commits carry a verified signature; the rest can't be tied to a verified identity.
Review and release Weak

OpenSSF Scorecard rates the repository's practices 2.9/10 (scanned Oct 29, 2026). The checks that decide who can get a change released:
- Code Review4
- Branch Protection0
- Signed Releasesn/a
- Dangerous Workflow10
- Token Permissions0
- Pinned Dependencies3
All 18 Scorecard checks

Binary-Artifacts 10

Branch-Protection 0

CI-Tests 7

CII-Best-Practices 0

Code-Review 4

Contributors 3

Dangerous-Workflow 10

Dependency-Update-Tool 0

Fuzzing 0

License 10

Maintained 0

Packaging -1

Pinned-Dependencies 3

SAST 0

Security-Policy 0

Signed-Releases -1

Token-Permissions 0

Vulnerabilities 0
Published packages Linked, not attested
- npm perplexity-comet-mcp Source link points back to this repo No build attestation
Without a build attestation, nothing proves the published files were built from this repository.
What you install today No known advisories

Latest release checked: perplexity-comet-mcp 2.6.2. No published advisory affects it (OSV, checked 2026-11-09).

Changes to this chain

2026-08-30 OSSF Scorecard: 3.7/10

Evidence behind this score

Coverage B: 3 of 5 independent evidence types found.

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

Verify this score yourself

Every build re-issues Perplexity Comet MCP’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.

Signed credential (JSON) How to verify

What this score doesn’t check

It covers who ships the code, not what the code does. It doesn’t read tool descriptions or prompts for injected instructions, watch runtime behaviour, or find bugs nobody has disclosed yet. For that, run a content scanner before you connect it, such as Cisco MCP Scanner or Snyk Agent Scan.

How Perplexity Comet MCP compares in MCP Servers

#664 N8n MCP 42.8 +0.1
#665 Withings Health Data 42.7 ±0
#666 Perplexity Comet MCP 42.7 this agent
#667 MCP Trino 42.6 −0.1
#668 Strava MCP 42.6 −0.1

Bars show each HVTrust score; the tick marks Perplexity Comet MCP’s 42.7.

Where the 42.7 comes from

HVTrust dimensions vs the MCP Servers average

42.7 / 100 · 100.0% confidence

Perplexity Comet MCP MCP Servers average (778 agents)

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

5.0 / 25

5.8 below avg 10.8

Identity / Provenance60% listing status · 40% build provenance

10.8 / 18

2.9 below avg 13.7

Transparency50% declared license · 50% OSSF Scorecard

11.0 / 17

1.3 below avg 12.3

Maintenance60% last-push freshness · 40% commit activity

2.6 / 20

9.6 below avg 12.2

AdoptionLog-scaled stars · package downloads

7.3 / 20

in line with avg 7.6

Quick Trust Read

What Would Improve It

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

Maintainer Checklist

Raise Scorecard signals Current OSSF Scorecard is 2.9/10. 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.

Refresh maintenance signals The repo was last pushed 141 days ago. Fresh activity helps separate stable projects from stale ones.

Compare with another agent View MCP Servers Report missing data

22.0

Activity sub-score · out of 100

#666

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 D reflects the trust score band: A ≥ 80, B ≥ 65, C ≥ 50, D < 50. Evidence coverage B is separate — it grades how many independent signal types back the score (3 of 5), so a high score on thin evidence stays visible. Full methodology →

Rank Trend

2026-09-29 2026-11-10

Activity & Reach

Stars

Forks

Last Push

2026-06-22

141 days ago

Commits (4 wk)

Downloads (7d)

231

npm

HN mentions (30d)

—

Open Issues

Rank Change

▼2

was #1160

Analysis

Activity Inputs

22.0 / 100

StarsRepository reach

10.4 / 30

FreshnessLast push recency

5.4 / 25

ActivityRecent commits

0.0 / 25

CommunityFork signal

6.0 / 20

Common questions about Perplexity Comet MCP

Public trust evidence for Perplexity Comet MCP is thin: several supply-chain signals are missing or weak. This does not mean the project is unsafe — it means an outside observer cannot easily verify the usual integrity checks. Treat with extra scrutiny.

Does Perplexity Comet MCP publish package provenance?

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

Does Perplexity Comet MCP have an OpenSSF Scorecard?

Perplexity Comet MCP has an OpenSSF Scorecard score of 2.9/10. 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 Perplexity Comet MCP actively maintained?

Slowing down. Last push was 141 days ago — keep an eye on whether activity resumes.

What license does Perplexity Comet MCP use?

Perplexity Comet MCP ships under MIT. A declared, OSI-approved license is one of the transparency signals HVTrust scores.

Are Perplexity Comet MCP's commits signed?

26% of the last 100 commits to Perplexity Comet MCP 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

Perplexity Comet MCP appears to expose MCP server capabilities.

Detailed evidence is not shown in the public view.

External Service Dependencies

None detected

No clear third-party provider dependency detected.

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

Tool / Plugin Surface

None detected

No clear plugin system or broad tool 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 Perplexity Comet MCP'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

Mcp Status Changed

Detected MCP server support changed: none → implemented

2026-09-20

Activity Went Stale

No commits for 90 days

Maintain Perplexity Comet MCP?

For maintainers

HVTrust scores Perplexity Comet MCP 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

2026-10-09

Rank Moved

Rank dropped 21 spots (#1096 → #1117)

2026-09-23

Mcp Status Changed

Detected MCP server support changed: none → implemented

2026-09-23

Rank Moved

Rank rose 174 spots (#1217 → #1043)

2026-09-23

HVTrust Changed

HVTrust up 27.7pts (17.9 → 45.6)

2026-09-22

Newly Listed

First tracked at rank #1217

2026-09-21

Removed From Active Tracking

Removed from active tracking

2026-09-20

Activity Went Stale

No commits for 90 days

2026-09-20

Rank Moved

Rank dropped 43 spots (#996 → #1039)

2026-09-14

Rank Moved

Rank dropped 15 spots (#981 → #996)

2026-09-12

Rank Moved

Rank dropped 10 spots (#974 → #984)

2026-09-11

Rank Moved

Rank dropped 15 spots (#959 → #974)

2026-09-09

Rank Moved

Rank dropped 14 spots (#950 → #964)

2026-09-08

Rank Moved

Rank dropped 17 spots (#933 → #950)

2026-09-07

Rank Moved

Rank dropped 38 spots (#895 → #933)

2026-09-06

Rank Moved

Rank dropped 15 spots (#880 → #895)

2026-09-05

Rank Moved

Rank dropped 58 spots (#822 → #880)

2026-09-04

Rank Moved

Rank dropped 34 spots (#788 → #822)

2026-09-03

Rank Moved

Rank dropped 44 spots (#744 → #788)

2026-09-02

Rank Moved

Rank dropped 32 spots (#712 → #744)

2026-09-01

Rank Moved

Rank dropped 30 spots (#682 → #712)

2026-08-31

Rank Moved

Rank dropped 41 spots (#641 → #682)

2026-08-30

Scorecard Added

OSSF Scorecard: 3.7/10

2026-08-30

Rank Moved

Rank rose 371 spots (#1012 → #641)

2026-08-30

HVTrust Changed

HVTrust up 19.4pts (29.3 → 48.7)

2026-08-29

Rank Moved

Rank dropped 52 spots (#960 → #1012)

2026-08-28

Rank Moved

Rank dropped 35 spots (#925 → #960)

2026-08-27

Rank Moved

Rank dropped 27 spots (#898 → #925)

2026-08-26

Rank Moved

Rank dropped 108 spots (#790 → #898)

2026-08-16

Rank Moved

Rank dropped 16 spots (#767 → #783)

GitHub → npm: perplexity-comet-mcp

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For maintainers

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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 v4.4 · Raw JSON

Perplexity Comet MCP

How Perplexity Comet MCP could raise its score

Chain of custody

Source Partly signed

Review and release Weak

Published packages Linked, not attested

What you install today No known advisories

Changes to this chain

Evidence behind this score

Verify this score yourself

What this score doesn’t check

How Perplexity Comet MCP compares in MCP Servers

Where the 42.7 comes from

HVTrust dimensions vs the MCP Servers average

Quick Trust Read

Rank Trend

Activity & Reach

Analysis

Activity Inputs

Common questions about Perplexity Comet MCP

AI agent surface

Maintain Perplexity Comet MCP?

Reputation Timeline

Embed Badge Badge guide for maintainers →

Other agents in MCP Servers