MCP server

402sentinel

io.github.kaditang/402sentinel-mcp

Checked 26 Oct 2026, 08:31 UTC · Deprecated by its author (its registry); checked against OSV.dev; never run by us

DEPRECATED: hosted 402Sentinel retired 2026-10-31. Client for x402 payment-safety checks.

Runs on your computerDeprecated by its author: 402Sentinel was retired on 2026-10-31; 402sentinel.com lapses in May 2027. Do not use versions below 0.9.0.

Source

At a glance

Type: MCP server
Publisher: Not verified
Status: Runs on your computer
Sets up in: Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code
Last checked: 26 Oct 2026, 08:31 UTC

Connect it to your agent

Add to Cursor Add to VS Code VS Code Insiders

Opens the app, which shows the server and asks you to confirm. It then runs the package on your computer with your permissions. For other apps, copy the setup below.

Claude Code

claude mcp add 402sentinel-mcp --env CLIENT_PRIVATE_KEY=YOUR_VALUE --env SENTINEL_URL=YOUR_VALUE -- npx -y @kaditang/402sentinel-mcp@0.9.0

Claude Desktop

{"mcpServers":{"402sentinel-mcp":{"command":"npx","args":["-y","@kaditang/402sentinel-mcp@0.9.0"],"env":{"CLIENT_PRIVATE_KEY":"YOUR_VALUE","SENTINEL_URL":"YOUR_VALUE"}}}}

Codex (config.toml)

[mcp_servers.402sentinel-mcp]
command = "npx"
args = ["-y","@kaditang/402sentinel-mcp@0.9.0"]
env = { CLIENT_PRIVATE_KEY = "YOUR_VALUE", SENTINEL_URL = "YOUR_VALUE" }

Gemini CLI

{"mcpServers":{"402sentinel-mcp":{"command":"npx","args":["-y","@kaditang/402sentinel-mcp@0.9.0"],"env":{"CLIENT_PRIVATE_KEY":"YOUR_VALUE","SENTINEL_URL":"YOUR_VALUE"}}}}

Cursor

{"mcpServers":{"402sentinel-mcp":{"command":"npx","args":["-y","@kaditang/402sentinel-mcp@0.9.0"],"env":{"CLIENT_PRIVATE_KEY":"YOUR_VALUE","SENTINEL_URL":"YOUR_VALUE"}}}}

VS Code

{"servers":{"402sentinel-mcp":{"type":"stdio","command":"npx","args":["-y","@kaditang/402sentinel-mcp@0.9.0"],"env":{"CLIENT_PRIVATE_KEY":"YOUR_VALUE","SENTINEL_URL":"YOUR_VALUE"}}}}

Runs on your computer with your permissions: check the package and its source before installing. Replace YOUR_VALUE with your own CLIENT_PRIVATE_KEY, SENTINEL_URL.

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