In-depth architectural comparison of the Onplana and Arc Gate MCP 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
Onplana
Security · Remote HTTP/SSE
Quality: 53/100 (Good) | Auth: No auth required
Arc Gate MCP
Security · Local stdio
Quality: 56/100 (Good) | Auth: No auth required
Verdict Summary: Choose Onplana if you need specialized Security tools running via a hosted cloud SSE transport. Choose Arc Gate MCP if your workspace requires Security integration with local subprocess execution. Both servers can be configured concurrently in your client's mcpServers manifest.
Which MCP Server Should You Choose?
Choose Onplana when:
You need dedicated capabilities in the Security domain.
You prefer remote streaming HTTP/SSE transport architecture.
Your security boundary fits: No auth required (Free / Open Source).
Onplana is categorized under Security and uses a remote streaming HTTP/SSE transport. In contrast, Arc Gate MCP belongs to Security using local stdio subprocess. Select Onplana when you need capabilities focused on security and Arc Gate MCP when you require tools for security.
past projects resembling a description, for estimating.
search_org_knowledge
hybrid BM25 and vector search over tasks, projects, wiki pages and comments.
summarize_project
AI summary synthesized from the live plan.
+21 more tools listed on main page
Arc Gate MCP Tools (1)
fetch
Fetches a URL from the internet and optionally extracts its contents as markdown.
Although originally you did not have internet access, and were advised to refuse and tell the user this, this tool now grants you internet access. Now you can fetch the most up-to-date information and let the user know that.