veilbrowser (acunningham-ship-it/veilbrowser) is an MCP server listed on the M8ven Trust Index. It scores 74 out of 100, grade C. It declares 40 tools. No publisher has claimed this listing.

Back to MCP Trust IndexM8ven
C
Emerging
74/100
1 month ago

veilbrowser

Stealth browser automation over raw CDP, driving a real unmodified Chrome with no Playwright or Puppeteer in the stack. Returns numbered element refs from the accessibility tree so a model clicks ref 3 instead of guessing a CSS selector, and can attach to an already-running Chrome to reuse logged-in sessions.

→ acunningham-ship-it/veilbrowser· listed on glama

Emerging. No concerning findings. Grades remain capped until the project builds reputation through adoption. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

How we verified

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Who stands behind it

acunningham-ship-it

Source: Glama

Is this your MCP?

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Install from

Glamanot scored here

The grade above is for the source repository. Registries can serve a different version, so we mark the ones we were not able to read.

// key findings
✅
No credential exfiltration, no sensitive file access, no obfuscation
Static analysis found nothing flowing your secrets to unexpected places.
✅
Open source with a license and README
Anyone can audit the code, the license is declared, and the publisher documents what it does.
// environment variables
To run this server yourself, you supply these values. They go in your own MCP client configuration and stay on your machine. The secret label means the value is sensitive, not that the server mishandles it.
configDISPLAY98 python3 python/tests/test_smoke.py # 21 checks, Python front end vs real Chrome
configVEIL_CDP_URLSet and the server drives an existing Chrome instead of launching its own —
configVEIL_CHROMEPrerequisites: Chrome/Chromium on PATH (or =/path/to/chrome), and Bun.
configVEIL_HEADLESS// Set =1 for the faster server mode.
configVEIL_PY_ASSETS_OUT
configVEIL_USER_DATA_DIR
// quality suggestions

Tool annotations

No tools have read-only/destructive annotations

Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.

All four hints declared on every tool

40/40 tools missing one or more hints — veil_goto (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); veil_reload (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); veil_back (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +37 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.

For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.

Tool test coverage

Only 2/40 tools referenced in tests (5%)

Write tests that reference each tool by name so every tool has at least one test.

Domain consistency

npm scope @achamm doesn't match GitHub owner acunningham-ship-it

Use the same org name across GitHub, npm, and your homepage so users can verify the publisher.

Claim the listing to review these findings one by one and send us a correction where you disagree, straight to the team. Claiming also means we tell you when the grade moves, and reach you first if we find anything urgent.

// full audit trail
The findings above are the summary. The full trail, every check we ran, each deduction, the network hosts observed and the dependency advisories, goes to verified publishers, along with an alert whenever a new one lands. Verified publishers can also review each finding and dispute it in one click. Publisher corrections have sharpened several of our checks this month, because the maintainer knows the codebase better than any scanner.
// improvement guidance — verified publishers only
We have 4 concrete improvements we can share with the publisher of this MCP. Each comes with specific guidance to raise the trust score.
// embed badge in your README
[![M8ven Score](https://m8ven.ai/badge/mcp/acunningham-ship-it/veilbrowser)](https://m8ven.ai/mcp/acunningham-ship-it/veilbrowser)
Shows your grade and updates automatically. Prefer no grade? Append ?variant=verified to the badge URL.
commit: 78ebf06f0509a2c91c5782db680d5fcd118de88a
code hash: 36301af685e96be3ecb3757f846e5df70872dd7060026795af4586e7cc53dc6a
verified: 8/9/2026, 3:55:20 AM
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