Context Firewall vs Opentabs

Side-by-side comparison of two Model Context Protocol servers — install paths, tools, quality signals, and directory engagement so you can pick the right one for Claude, Cursor, and other MCP clients.

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Context Firewall logo
Context Firewall
Alepha188838884
🔗 Aggregators
Opentabs logo
Opentabs
opentabs-dev
🔗 Aggregators
SummaryLocal proxy that collapses N downstream MCP servers into 4 meta-tools with progressive tool discovery (measured: 122 tools → 4, 28.6K tokens of definitions saved), compresses large tool outputs (HTML→Markdown, JSON structure summarization, base64 stripping — 60–95% measured on real pages/APIs) with full-output retrieval via readmore, and prints a per-session token-savings report. Security-relevant outputs are never silently compressed. Install: npx -y context-firewall --config config.jsonPlugin-based MCP server + Chrome extension that gives AI agents access to web applications through the user's authenticated browser session. 100+ plugins with a plugin SDK for building new ones.
Quality signal44/100 (Fair)51/100 (Fair)
Install pathnpx · highRemote · high
Engagement 1 0 0 1 4 0 0 883
ToolsCollapses many downstream tools into 4 meta-toolsProgressive tool schema disclosure to reduce startup token costOutput compression pipeline: base64 stripping, HTML→Markdown, JSON summarizationFull output retrieval with read_more paginationPer-session token savings reportingConfigurable per-tool allow/deny access policies100+ prebuilt plugins covering ~2,000 tools and servicesPlugin SDK for creating and publishing new pluginsChrome extension bridges browser session to local MCP serverBuilt-in browser tools for screenshots, clicking, typing, and network captureFine-grained, version-aware permission system with explicit enablementLocal execution with full audit logs and optional anonymous telemetry
Verified / officialNoNo
Open listingView Context FirewallView Opentabs
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