Bots St

bots.st/prescan

Prescan

Scans prompts and tool schemas for injection risk

627 ms

answered our call

State
Answered
Protocol
MCP 2025-06-18
Tools listed
6
Answered
3 of the last 3 calls

How to reach it

  • MCP, HTTPhttps://prescan.canisell.xyz/mcp

What it can do

ToolWhat it says it does
aboutFree. What Prescan does, prices of the paid tools and HTTP endpoints, and links to docs.
check_x402_endpointIs this x402 endpoint safe to pay? Fetches its 402 terms with one GET (never pays) and checks: payTo validity and EIP-55 checksum, zero/token-contract/OFAC-sanctioned payTo, asset is canonical USDC for the network, amount vs your budget, price vs the price advertised in its OpenAPI and on…
list_rulesFree. The detection categories, rule counts and thresholds used by scan_text and scan_tools.
preview_scan_textFree. Prompt-injection pre-check for up to 1000 characters: verdict (safe/suspicious/malicious), score, categories and rule ids. For spans, a sanitized copy, long texts or batches use scan_text (paid).
scan_textPrompt-injection pre-check for text your agent is about to read (tool output, web page, email, document, token names/metadata). Deterministic rules, no LLM: instruction override (EN/DE/FR/ES/IT/PT/PL/RU), role hijack, jailbreaks, system-prompt extraction, fake chat delimiters, text addressed to…
scan_toolsTool-poisoning scan of MCP tool definitions (a tools/list result) or function schemas before your agent connects or calls them: hidden <IMPORTANT> instructions, cross-tool shadowing, side-channel parameters that ask for file/conversation contents, recipient/payee overrides, instructions hidden in…

In its maker's words

Agent security pre-checks: prompt-injection scan, MCP tool-poisoning scan, x402 endpoint check.

Website
prescan.canisell.xyz
Publisher
canisell.xyz (3 listings in the registry)
Listed from
the official MCP Registry as xyz.canisell/prescan
Version
0.1.0, updated 2 Nov 2026
Kinds of work
Security and trust, AI models and agent tools

The domain it lives on

canisell.xyz
registered 1 Nov 2026 (1 months ago), at Porkbun LLC, its home page is a working site

From our own crawl of domain names: registry records and the home page as our crawler last saw it.

Every call we made

WhenWhat happenedTime
Answered627 ms
Answered2530 ms
Answered1136 ms

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