402shield

x402 payment security and pre-execution transaction risk screening for autonomous AI agents.

Connector by MitchSingh · GitHub account verified by the MCP Registry

IndexedLicense unknownRemote (HTTP)

Install

Works with Claude Code, VS Code, Cursor, Windsurf. Read the repository before you give any tool access to your data.

npx agentmarket install connector/mitchsingh-402shield

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

Remote endpoint

https://four02shield.onrender.com/mcp Remote (HTTP)

Get the weekly diff

The weekly diff: one email a week with new agent tools, notable updates and grade changes, plus security alerts for tools you follow. Double opt-in, one-click unsubscribe.

About

x402 payment security and pre-execution transaction risk screening for autonomous AI agents.

Reviews

Write a review

No reviews yet. Installed it? Reviews come from verified installers only. How reviews work

Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools: 0 read · 0 write · 0 delete · 1 not yet classified
Secrets: None asked for
Install scripts: Nothing to install (hosted)
Runs as: Hosted (remote endpoint)

Tools by what they do 1

From the running server's own tool list (tools/list) on Oct 25, 2026.

Not yet classified 1 · We could not tell from the name and description.

preflight_payment

Network hosts it talks to 1

four02shield.onrender.com · found in remote endpoint, install command

Tools (1)

As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].

preflight_payment402Shield Preflight Payment
Prepare the exact paid 402Shield request that must be completed before an autonomous payment executes. Submit the returned POST request with an x402-capable client. The paid response is ALLOW, REVIEW, or BLOCK. Execute the intended payment only after ALLOW; REVIEW and BLOCK should stop execution by default. Price: $0.005 USDC.

Signals

Last release: Oct 7, 2026 (21 days ago)
Repository: Not found on GitHub (deleted or private)

Details

Registry name: io.github.MitchSingh/402shield
Version: 0.1.0
Auth: Auth not stated
License: License unknown
Repository: github.com/MitchSingh/402shield
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Official MCP Registry

Rank

of 44,833 in Connectors

Score

0.568

Security 30%not yet
Popularity 25%0.30
Freshness 20%1.00
Rating 15%not yet
Docs 10%0.68

How ranking works →

Grades

Freshness

Active in the last 30 days. Last activity 21 days ago.

–

Security

Security scan: in progress. Grades from our dependency, secret, code and prompt-injection checks appear here once they launch. Until then, check the code before you install.

Indexed

Found automatically from a public source. Not yet claimed by its publisher.

How grades work →

Availability

100% uptime, last 30 days (1 check)

Last check: 3 days ago
Status: Up
Median response: 239 ms

Up
Up, auth required
Down
Not checked
No data

A daily MCP handshake with the remote endpoint. “Auth required” means it answered and wants a login or key. “Not checked” means the URL needs your own account or blocks automated checks.

Is this yours?

Claim it to add pricing, screenshots and docs, and to get a verified badge.

Claim listing Suggest a fix

Report a security problem

Cite this page

402shield MCP server. Agent Mart. https://agentmart.dev/connectors/mitchsingh-402shield (last updated 2026-10-24)