io.github.shuaicongxiaomai/agentguard

AgentGuard — security checks for AI agents

Is the AgentGuard MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-29.

Secret, CVE and dependency-vulnerability scanning for AI agents (free, OSV.dev).

alive probed 2026-11-15 · unchanged since 2026-10-29

3tools

592tokens in Claude Opus 5.5

0.3 %of Claude's 200k window

0.2×the median server

199 msto initialize

4 msto list tools

Run it: docker run -i --rm ghcr.io/shuaicongxiaomai/agentguard:0.1.2 (stdio, probed in a container with the network off)
Host: ghcr.io
Reports itself as: agentguard 0.1.2
Capabilities: logging, tools
Instructions: none
Of a 1M window: <0.1 % of a 1M context window
Count: 592 tokens in Claude Opus 5.5, exact, measured 2026-10-29. With the Claude Code prefix mcp__…__ on each tool name: 619. The o200k_base estimate is 324. Counted again when the tool definitions change. Method.
Repository: https://github.com/shuaicongxiaomai/agentguard
Registry: active, updated 2026-07-02 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.83×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
check_cve	243	133	41 %
scan_dependencies	183	100	31 %
scan_secrets	166	91	28 %

Other registry entries on ghcr.io, the ones next to this name; all of them.

Banjo io.github.shatch/banjo · not probed
KLinePic io.github.sher1096/klinepic · install failed
Slack Explorer MCP io.github.shibayu36/slack-explorer-mcp · alive
MCP fork of Google Workspace CLI io.github.shigechika/gws-mcp · crashed on start
PCI DSS v4.0.1 Compliance Checker io.github.shyshlakov/pci-dss-mcp · alive
Radar Kubernetes MCP Server io.github.skyhook-io/radar · not probed
Cowork io.github.slashman413/cowork · not probed
DBeast PostgreSQL MCP io.github.snss10/dbeast · alive

Servers that mention agentguard.

agentguard — policy proxy for agent tool calls io.github.agentwares/agentguard-cloud · alive
io.tooloracle/agentguard · not found
AgentGuard io.github.MerchantGuard/agentguard · crashed on start
io.github.MukundaKatta/agentguard · alive
agentguard io.github.agentwares/agentguard · needs env
io.github.bmdhodl/agentguard47 · alive
AgentGuard by Audiscape com.audiscape.agentguard/agentguard · not found
AgentGuard io.github.zaxcoraider/agentguard-mcp · alive

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.