Hugin MCP Server
@ketlark/hugin-mcp
npm
v1.0.0
Published by @ketlark — no publish provenance, so origin is unverified, but the source is public: the repository link below is self-declared yet readable, so you can inspect the code before adopting it.
Hugin MCP — 100% local, 100% free MCP server for web search and web reading. No API keys needed. Self-hosted alternative to Tavily, Exa, Jina Reader, Firecrawl, and Brave Search API.
The grade answers one question — how safe is this server for you to adopt — so it is computed in two auditable stages. Nothing below is an opinion or an LLM's guess; every line is a real term the deterministic engine applied, and the same input always yields the same number.
1. Threat score — 100 − 1.2 = 99. What the published surface and source actually contain:
| Points | What was found | Category |
|---|---|---|
| −1.2 | Hardcoded Google API key in server code MTC-SRC-008 | exfiltration |
2. Client adoption risk — 99 − 7 = 92. Three small, subtract-only factors that reflect your risk in adopting it — a clean scan proves less on a powerful, unverified or barely-inspectable package, so the grade says so plainly:
| Points | Adoption-risk factor |
|---|---|
| −6 | capability blast radius (high) — client exposure if the model is manipulated |
| −1 | publisher verification (public source) — no provenance, but the source is public and inspectable |
Capability observations and info notes are shown under Findings but never scored.
Open any row's finding below for the file, line and evidence behind a deduction.
Findings 7
high Shell/command execution in server code (src/cli.mjs)MTC-SRC-002
In the server's implementation (`src/cli.mjs:11`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: import { spawn } from "child_process"; import { join, dirname } from "path"; import { fileURLToPath } from "url"; cons
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server src/cli.mjs
high Shell/command execution in server code (src/search/searxng.js)MTC-SRC-002
In the server's implementation (`src/search/searxng.js:11`): Spawning a shell/process is command-execution capability; with unsanitized tool input it is command injection / RCE. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: port { execSync } from "child_process"; // ---------------------------------------------------------------------------
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server src/search/searxng.js
medium Hardcoded egress to an external endpoint (src/readers/dockerhub.js)MTC-SRC-003
In the server's implementation (`src/readers/dockerhub.js:21`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: y { const r = await fetch(`https://hub.docker.com/v2/repositories/${namespace}/${name}/`, { headers: { "User-A
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server src/readers/dockerhub.js
medium Hardcoded egress to an external endpoint (src/readers/github.js)MTC-SRC-003
In the server's implementation (`src/readers/github.js:43`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: m}`; const r = await fetch(`https://api.github.com/repos/${repo}/${endpoint}`, { headers: GITHUB_HEADERS, signal:
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server src/readers/github.js
medium Hardcoded egress to an external endpoint (src/readers/npm.js)MTC-SRC-003
In the server's implementation (`src/readers/npm.js:19`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: ata const r = await fetch(`https://registry.npmjs.org/${encodeURIComponent(pkg)}/latest`, { headers: { "User-A
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server src/readers/npm.js
medium Hardcoded egress to an external endpoint (src/readers/youtube.js)MTC-SRC-003
In the server's implementation (`src/readers/youtube.js:16`): A hardcoded outbound call to a fixed external host inside server code is a classic exfiltration/telemetry channel — especially paired with reads of local data. This is read from the code itself — not from the tool description — so a poisoned server cannot hide it behind honest-looking metadata.
Evidence: const pageResp = await fetch(`https://www.youtube.com/watch?v=${videoId}`, { headers: { "User-Agent": "Mozilla/5.
Fix: Review this call path: confirm it never receives unsanitized tool input, constrain it, or remove it. Treat a server whose code reaches these sinks as high-capability regardless of what its tools claim.
Location: server src/readers/youtube.js
low Hardcoded Google API key in server code (src/readers/youtube.js)MTC-SRC-008
A hardcoded Google API key (a client API key (restricted by referrer/quota, not a private secret)) appears in `src/readers/youtube.js:21`. Verify whether this is a real credential; if so, remove and rotate it.
Evidence: Google API key: AIza…(redacted)
Fix: Remove the secret, rotate it, and load credentials from the environment or a secret store.
Location: server src/readers/youtube.js
Tools 2
Each tool and what it can reach — statically extracted from the published source.
web_searchingests untrusted inputweb_readno sensitive capability
What this scan could not see
- Tools were statically extracted from the published source (2 recovered), not enumerated from a running server. Tool-poisoning, Unicode-smuggling, capability and toxic-flow analysis ran on this inferred surface, but a mis-parsed registration could be missed or mis-attributed, so tool-derived findings are capped below “confirmed”. To grade the real runtime surface, scan the running server: --command "npx -y <package>".
Versions 1
Scan history per published version. The engine is deterministic — the same version always yields the same score, so a changed score means the package itself changed.
| Version | Score | Findings | Engine | Scanned |
|---|---|---|---|---|
v1.0.0 latest |
A 92/100 | 7 | 1.13.0 | 2026-09-07 |
Embed this score
Show this server's live Trust Score in your README, docs or website. The badge is served straight from the registry and updates automatically after every rescan — no API key needed. It links back to this page, so anyone who sees the grade can also read the findings behind it instead of taking a number on faith.
Verify this score yourself
The score above is reproducible: the same package version always yields the same result. Run it locally or over the free API — no account, no LLM, fully deterministic.
npx mcptrustchecker scan @ketlark/hugin-mcp --onlineMore in Web, Search & Scraping
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