MCP Security Index
Before you install an MCP server, see what it can do. AxioRank enumerates the tools each server declares (read-only, it never calls one) and grades the blast radius of what it can do: write, delete, execute, credential, and wildcard-scope capabilities. Scan a server not listed here.
Scan a server that is not listed
Scans a remote MCP server or agent card by URL. For a local stdio server, run npx @axiorank/mcpaudit.
14 servers in Communication · 79 with flagged capabilities
- Aradmail-mcp dougsureel-techCommunication · 6 tools · no flagged capabilities
- ASlack Anthropic (MCP reference, archived)Communication · 8 tools · Tool declares a high-privilege capability
- BJust Publish just-doneCommunication · 3 tools · Tool input schema asks for a credential
- CPalmyr 0xArtexCommunication · 33 tools · Tool declares a high-privilege capability
- FDiscord barryyip0625Communication · 22 tools · Tool declares a high-privilege capability
- –Telegram chaindeadCommunication · scan pending
- –Resend ResendCommunication · scan pending
- –Twilio Twilio LabsCommunication · scan pending
- –Intercom IntercomCommunication · scan pending
- –Postmark ActiveCampaignCommunication · scan pending
- –LINE LINECommunication · scan pending
- –backengine-mcp BackEngine-aiCommunication · scan pending
- –RadiusOS CRM chadrnewell-hashCommunication · scan pending
- –SendFast novica-aiCommunication · scan pending
How the grades work
A grade measures blast radius: how much a server could do if it were compromised or misinstructed, based on the capabilities it declares (write, delete, execute, credential access, wildcard scope). It is not a vulnerability assessment and not a judgment of the vendor. Lower is better: A is 0 to 19, up to F at 80 and above. The scan is read-only. It lists tools and never calls one.
Run a server? You can scan it yourself and embed your grade. See something off? Every server page links a re-scan.
Govern the MCP servers your agents use
AxioRank is the security gateway for AI agents: allowlist servers, block risky tool calls, and get an audit trail of every action.
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