MCP server

ActionGuard Protocol Inspector Agent

io.github.lsendel/actionguard

Checked 25 Oct 2026, 20:29 UTC · Connected to it and listed its tools

Diff and poisoning detection for MCP servers: catch schema drift and prompt poisoning.

Working at last checkAbout 204 tokens per request once connected2 tools

https://actionguard.ai/mcp

At a glance

Type: MCP server
Publisher: Not verified
Status: Working at last check
Tools: 2
Token cost: About 204 tokens per request
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok
Last checked: 25 Oct 2026, 20:29 UTC

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http actionguard https://actionguard.ai/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.actionguard]
url = "https://actionguard.ai/mcp"

Gemini CLI

{"mcpServers":{"actionguard":{"httpUrl":"https://actionguard.ai/mcp"}}}

Cursor

{"mcpServers":{"actionguard":{"url":"https://actionguard.ai/mcp"}}}

VS Code

{"servers":{"actionguard":{"type":"http","url":"https://actionguard.ai/mcp"}}}

Antigravity

agy mcp add actionguard https://actionguard.ai/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"actionguard","server_url":"https://actionguard.ai/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"actionguard","server_url":"https://actionguard.ai/mcp"}

actionguard_check_drift ~115 tokens
Verify whether an MCP server's tools schema or descriptions have drifted from a pinned Dual-Hash.
actionguard_inspect ~89 tokens
Run a 5-stage continuous reliability, security, and schema audit of an MCP server or AI agent endpoint.

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Trust Oracle
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Liveness
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MYCELIX
Free, no-key, read-only MCP endpoint verification and diagnostics.
Diogenes Agent Guardrails & Sandbox MCP
Autonomous agent guardrails, bash sandboxing, MCP rugpull diffing & prompt firewalls.

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