Security suite for AI agents — catch the dangerous thing before signing: preflight EVM transactions for drains, inspect EIP-712 signatures for permit-phishing, and gate agent actions by policy. Pairs with any wallet/MCP stack; non-custodial wallet included.
Setup
Choose your client, copy the config, then fill in any required environment variables.
claude mcp add chain-signer -- uvx chain-signer~/.codex/config.toml
[mcp_servers.chain-signer]
command = "uvx"
args = ["chain-signer"]
# codex mcp add chain-signer -- uvx chain-signer~/.cursor/mcp.json
{
"mcpServers": {
"chain-signer": {
"command": "uvx",
"args": [
"chain-signer"
]
}
}
}.vscode/mcp.json
{
"servers": {
"chain-signer": {
"type": "stdio",
"command": "uvx",
"args": [
"chain-signer"
]
}
}
}~/.gemini/settings.json
{
"mcpServers": {
"chain-signer": {
"command": "uvx",
"args": [
"chain-signer"
]
}
}
}claude_desktop_config.json
{
"mcpServers": {
"chain-signer": {
"command": "uvx",
"args": [
"chain-signer"
]
}
}
}.trae/mcp.json
{
"mcpServers": {
"chain-signer": {
"command": "uvx",
"args": [
"chain-signer"
]
}
}
}