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52/100
13 days ago

tandem

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→ bloknayrb/tandem· listed on github_code

Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.

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Who stands behind it

bloknayrb

Source: github_code

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// key findings
⚠️
Known vulnerabilities in dependencies: 3 high
Affects packages this MCP installs at runtime. Upgrade or remove the affected dependency.
✅
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.
🔐
You'll be asked for 1 credential: TANDEM_AUTH_TOKEN
These are read from process.env at runtime. Make sure you trust where they’ll be sent.
// known CVEs in dependencies3 high8 medium1 low

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

high@modelcontextprotocol/sdk@1.12.1GHSA-345p-7cg4-v4c7

@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse

high@modelcontextprotocol/sdk@1.12.1GHSA-8r9q-7v3j-jr4g

Anthropic's MCP TypeScript SDK has a ReDoS vulnerability

high@modelcontextprotocol/sdk@1.12.1GHSA-w48q-cv73-mx4w

Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default

mediumsvelte@5.46.4GHSA-crpf-4hrx-3jrp

Svelte SSR attribute spreading includes inherited properties from prototype chain

mediumsvelte@5.46.4GHSA-f3cj-j4f6-wq85

Svelte: SSR XSS via Insecure Promise Serialization in hydratable

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.
configCAPTURE_DESIGN_BASELINES
configComSpec
configHEADLESS
configOLLAMA_HOST
configSCREENSHOTS
configSOFFICE_PATH
configTANDEM_APP_DATA_DIR
🔐 secretTANDEM_AUTH_TOKEN
configTANDEM_BIND_HOSTFor exposing the server on a LAN, set and use tandem rotate-token to rotate the auth token. See [docs/security.md](docs/security.md) for the full network posture.
configTANDEM_CLAUDE_CMD
configTANDEM_CLIENT_URL
configTANDEM_DATA_DIR
configTANDEM_LAN_IP
configTANDEM_MCP_PORT
configTANDEM_NO_SAMPLE
configTANDEM_OPEN_FILE
configTANDEM_PORT
configTANDEM_PROBE_SKIP
configTANDEM_REQUEST_TIMEOUT_MS
configTANDEM_TARGET_TRIPLE
configTANDEM_TAURI_SIDECAR
configTANDEM_TRANSPORT
configTANDEM_URL
configVITEST
configXDG_DATA_HOME
// quality suggestions

Dependencies

68 dependencies, 2 flagged: @axe-core/playwright, @playwright/test

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

33/33 tools missing one or more hints — tandem_highlight (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); tandem_comment (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); tandem_suggest (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +30 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 5/33 tools referenced in tests (15%)

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

Shell command execution

11 child_process calls — runs shell commands

Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.

Production dependencies are patched

0 critical, 3 high severity in production deps — @modelcontextprotocol/sdk@1.12.1 (high), @modelcontextprotocol/sdk@1.12.1 (high)

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

Dependency freshness

3/46 production deps abandoned (no release in 2+ years): remark-parse@2023-11-20 (2.7y), remark-stringify@2023-11-20 (2.7y), unified@2024-06-19 (2.1y)

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 5 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/bloknayrb-tandem-ii5xzo?variant=verified)](https://m8ven.ai/mcp/bloknayrb-tandem-ii5xzo)
Shows verification status without the grade. Want the grade badge instead? Remove ?variant=verified from the URL.
commit: b64037bad0caf9f171b7da1151d81e1efaa0f114
code hash: 5c2f5c8e36caaa7c4fc49c0426a3424d7e0767de61bd6cd120d24dd91c641b1a
verified: 8/8/2026, 7:24:13 AM
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