horizon (albertbaarsma/horizon) is an MCP server listed on the M8ven Trust Index. It scores 45 out of 100, grade D. It declares 11 tools. No publisher has claimed this listing.

Warning

45/100

horizon

Item: horizon
Rating: 45
Author: M8ven

Personal planning app: vision, goals, projects, tasks, and week in one place — with an AI assistant wired in over MCP. Based on the RPM methodology.

→ albertbaarsma/horizon · listed on github_repo_search

Warning. Serious findings were identified. Review the full report before connecting. 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

albertbaarsma

Source: github_repo_search

Is this your MCP?

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Install from

GitHub

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

🚨

Reads files from sensitive locations

Touches: D:/projects/horizon/.env.local, D:/projects/horizon/.env.local

🚨

Known vulnerabilities in dependencies: 2 critical

Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.

🔐

You'll be asked for 1 credential: GOOGLE_CLIENT_SECRET

These are read from process.env at runtime. Make sure you trust where they’ll be sent.

// tools this server exposes11 tools

These names and descriptions are the publisher's own, read from the source code. We print them as written. Our assessment is the findings above, not this list.

get_tasks

Haal alle taken op. Optioneel filter op status.

add_task

Maak een nieuwe taak aan.

update_task

Werk een taak bij (status, naam, urgent).

delete_task

Verwijder een taak.

add_achievement

Voeg een achievement toe aan het dashboard.

get_achievements

Haal recente achievements op.

get_week_items

Haal weekplanning op voor een datumbereik.

add_week_item

Voeg een item toe aan de weekplanning.

update_week_item

Pas een weekplanning-item aan (tekst, datum, tijd, afgevinkt).

delete_week_item

Verwijder een weekplanning-item.

get_xp

// known CVEs in dependencies2 critical1 low

Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.

criticalnext@16.3.0GHSA-2xp9-vwfh-vxw4

Next.js: Unauthenticated Remote Code Execution in Image Optimization API when AVIF files are used

criticalnext@16.3.0GHSA-p293-qw3h-jr36

Next.js: Unauthenticated Remote Code Execution on windows-hosted servers

lowvitest@4.1.9GHSA-82fw-gwwq-j7x9

Vitest: Path Traversal / Arbitrary File Read via @vitest/mocker Redirect Mock

Depend on this server? Get alerted when its CVEs change.Watch this server free →

// 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.

configGOOGLE_CLIENT_IDGoogle Calendar + Gmail integration

🔐 secretGOOGLE_CLIENT_SECRETGoogle Calendar + Gmail integration

Deployment configuration, supplied by whoever hosts the server. Users are not asked for these.

deployNEXT_PUBLIC_SUPABASE_ANON_KEY

deployNEXT_PUBLIC_SUPABASE_URL

deploySUPABASE_SERVICE_ROLE_KEY

// 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

11/11 tools missing one or more hints — get_tasks (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); add_task (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); update_task (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +8 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.

No access to sensitive paths

Reads sensitive paths: D:/projects/horizon/.env.local, D:/projects/horizon/.env.local

Remove reads of sensitive system paths. If you genuinely need them, document why in the README.

Production dependencies are patched

2 critical, 0 high severity in production deps — next@16.3.0 (critical), next@16.3.0 (critical)

Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.

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 Verified](https://m8ven.ai/badge/mcp/albertbaarsma/horizon?variant=verified)](https://m8ven.ai/mcp/albertbaarsma/horizon)

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commit: 0ea1f598b8165845e58c8da6d769fe0b6f3feeb9

code hash: aac8b0184a7cdec50063df3d724f0ef675c61817e9678954cdc6fa66ee440991

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