x402-presign-guard

MCP server · installable · v0.1.1 · io.github.kaito3636/x402-presign-guard

NEW · 3h agoSeen in the registry 2h ago

Pre-sign EVM tx/approval safety for AI agents: decode calldata, flag drainers, return GO/HOLD/BLOCK.

What it does

x402-presign-guard is an MCP server, a connector that lets an AI assistant use it as a tool. It is installed locally as a package and runs on your machine.

No capability identified yet from its description.

Facts come from the Official MCP Registry, as declared by the publisher. Capabilities are matched automatically (low confidence). None of this is a test of the tool.

At a glance

Hosted (remote)NO

Local installYES

Version0.1.1

Packagesnpm

PriceNot in the registry

First seen24 Oct 2026

Last checked2h ago

How to connect

As declared in the Official MCP Registry · not tested by Electra Index

Install package

NPM x402-presign-guard v0.1.1 · runs locally (stdio)

MCP settings (Claude Desktop, Cursor and other MCP clients)

{
  "mcpServers": {
    "x402-presign-guard": {
      "command": "npx",
      "args": [
        "-y",
        "x402-presign-guard"
      ]
    }
  }
}

Facts & evidence

Each fact shows where it was seen and when.

Fact	Value	Evidence	Source	Last confirmed
Install package	x402-presign-guard	DECLARED	SRC-001 Official MCP Registry	2h ago
Package registries	npm	DECLARED	SRC-001 Official MCP Registry	2h ago
Local install (package)	yes	DECLARED	SRC-001 Official MCP Registry	2h ago
Remote access (hosted)	no	DECLARED	SRC-001 Official MCP Registry	2h ago
Repository	https://github.com/kaito3636/x402-presign-guard	DECLARED	SRC-001 Official MCP Registry	2h ago
Registry status	active	DECLARED	SRC-001 Official MCP Registry	2h ago
Version	0.1.1	DECLARED	SRC-001 Official MCP Registry	2h ago
MCP server	yes	DECLARED	SRC-001 Official MCP Registry	2h ago

Change history

NEW24 Oct 2026
first seen in the index

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Questions about x402-presign-guard

How do I connect x402-presign-guard?

Install the npm package x402-presign-guard. The exact settings are in "How to connect" above, as declared in the Official MCP Registry.