In-depth architectural comparison of the Mcpskills Server and Feranor Resilience MCP servers. Compare execution transports, security boundaries, tool capabilities, quality scores, and ready-to-paste client installation snippets for Claude, Cursor, Windsurf, and VS Code.
At a Glance & Executive Verdict
Mcpskills Server
Security · Local stdio
Quality: 59/100 (Good) | Auth: API Key required
Feranor Resilience
Security · Remote HTTP/SSE
Quality: 69/100 (Great) | Auth: No auth required
Verdict Summary: Choose Mcpskills Server if you need specialized Security tools running via a local process. Choose Feranor Resilience if your workspace requires Security integration with remote web transport. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Mcpskills Server when:
You need dedicated capabilities in the Security domain.
You prefer local stdio subprocess transport architecture.
Your security boundary fits: API Key required (Freemium).
You have access to required keys: MCPSKILLS_API_KEY.
You need dedicated capabilities in the Security domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Freemium).
Primary tools included: Invisible Unicode and homoglyph detection, Text cleanup with before-and-after risk comparison, Domain scores across TLS, DNS, headers, and speed.
Pre-install trust layer for MCP servers, AI skills, and npm packages. Scores any repo or package across 15 signals (incl. OSV/KEV/EPSS vulnerability intelligence) with safety scanning for prompt injection, credential theft, and supply-chain risk; the autogate tool returns a go/no-go install decision. Listed in the official MCP Registry as io.mcpskills/server. npm: @mcpskillsio/server. https://mcpskills.io
Scan/purge hidden text & score web domains: TLS, DNS, headers, speed. Free scans, $0.01 actions.The Tools:
text_scan_v1 — free
Scans a text string for invisible Unicode characters, homoglyphs, and normalization issues. Returns a risk score, a list of flagged characters, and detected homoglyphs. Never modifies the input text.
text_purge_v1 — $0.01 per call
Removes invisible Unicode characters and replaces homoglyphs in a text string, then normalizes the result. Returns the cleaned text plus a before-and-after risk comparison.
domain_check_score_v1 — free
Overall score, per-category scores, and how many findings each category raised. Use it to triage: rank a list of domains, confirm one is healthy, or decide whether the full report is worth pulling. It tells you which categories are weak and how many issues they hold, but not what the issues are.
domain_check_score_batch_v1 — free
The same triage scores for up to 100 domains in a single call. One score summary per distinct domain: overall score, per-category scores, and how many findings each category raised. Never the findings themselves.
domain_check_v1 — $0.01 per call
Full report for one domain: weighted score out of 100, per-category breakdown, and every individual finding with a prioritised remediation order.
domain_check_batch_v1 — from $0.005 per domain
The same full report for up to 100 domains in a single call, with one payment for the whole batch instead of one per domain. Both cheaper per domain and much faster than calling domain_check_v1 in a loop.
Tools & Capabilities Breakdown
Mcpskills Server Tools (9)
check_trust_score
Score any AI skill, MCP server, or GitHub repo for trustworthiness. Returns a trust score (0-10) across 4 dimensions: Alive, Legit, Solid, Usable. Accepts: owner/repo, GitHub URL, npm package (npm:@scope/name or @scope/name), Smithery URL, or OpenClaw URL. AI skills get enhanced safety scanning. Set MCPSKILLS_API_KEY for full reports.
scan_safety
Run a focused safety scan on an AI skill or MCP server. Checks for prompt injection, shell execution, network exfiltration, credential theft, obfuscated payloads, public network binding (0.0.0.0), and risky npm lifecycle scripts (preinstall/install/postinstall). Accepts any input format (owner/repo, npm package, Smithery URL, etc.).
list_packages
Browse curated, pre-scored AI skill packages organized by use case. Each package contains vetted skills with trust scores. Available packages: Claude Power User, Full-Stack Vibe Coder, Data & Research, DevOps & Infrastructure, Content & Marketing.
get_badge
Get a trust badge URL for any repo or package. Returns a shields.io-style SVG badge showing the trust score and tier. Embed in READMEs. Badge auto-updates hourly.
Ready-to-Paste Client Configurations
Paste either (or both) of these JSON server blocks into your client config file (e.g. claude_desktop_config.json or ~/.cursor/mcp.json).
Mcpskills Server is categorized under Security and uses a local stdio subprocess. In contrast, Feranor Resilience belongs to Security using remote streaming HTTP/SSE transport. Select Mcpskills Server when you need capabilities focused on security and Feranor Resilience when you require tools for security.
Start monitoring a repo or package for trust score changes. Alerts when score changes significantly (±0.3 points or tier change). Requires a paid API key.
check_watched
Re-scan all watched repos and check for score changes. Returns any repos whose trust score changed significantly since last check.
batch_check
Check up to 5 repos or packages in one call. Returns a trust assessment for each. Requires a Developer Pro or Team API key. Accepts any mix of formats (owner/repo, npm packages, registry URLs).
auto_gate
Should I install this? Returns a simple go/no-go decision with reasoning. Accepts any format: owner/repo, npm package, Smithery URL, etc. Returns { proceed: true/false, reason: "..." }.
build_stack
Recommend a vetted stack of trusted tools for a described task. Describe what you're building (e.g., "Next.js app with auth, payments, and AI chat") and get back a curated list of the highest-scoring repos in each relevant category, pre-scored and ready to install. Returns tool names, trust scores, tiers, and install hints. Use this instead of guessing which tools to recommend — every suggestion is backed by live trust data.
Feranor Resilience Tools (5)
Invisible Unicode and homoglyph detection
Text cleanup with before-and-after risk comparison
Domain scores across TLS, DNS, headers, and speed
Single-domain detailed findings with remediation priority