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Unicode Obfuscation Guard MCP
x402
Unicode Obfuscation Guard MCP is a paid API for AI agents from api.m2mcent.com, paid per call via x402, $0.1/call, status unknown (last checked 2026-09-15).
Detects and flags unicode-based obfuscation techniques in text, such as homoglyphs, invisible characters, and lookalike codepoints that may be used to evade content filters or deceive readers.
Price / call$0.1
Success—
StatusUnknown
How this service works
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Output
Returns a structured report indicating whether the input text contains unicode obfuscation, including detected anomalies such as homoglyphs, zero-width characters, bidirectional control characters, or other suspicious codepoints, along with risk indicators or affected positions in the text.
Example use cases
Prompt injection detection in agent inputs
“Before I process this user-submitted prompt, scan it for any unicode obfuscation — zero-width characters, bidirectional overrides, or homoglyph substitutions that could be hiding malicious instructions.”
Phishing link domain spoofing check
“This domain name looks suspicious to me — can you analyze it for homoglyph or lookalike unicode characters that someone might use to impersonate a legitimate website?”
Content moderation bypass prevention
“A user submitted this comment to our platform. Check it for any invisible or confusable unicode characters they might have used to sneak past our content filters.”
Technical details
Endpoint
POSThttps://api.m2mcent.com/unicode-obfuscation-guard-mcp/api/processWhen to prefer
Choose this endpoint when you need to detect deliberate unicode-based deception or evasion in text — particularly for security-sensitive pipelines such as agent input validation, content moderation, anti-phishing checks, or prompt injection defense. Prefer it over generic text analysis tools when unicode homoglyphs, invisible characters, or bidirectional text tricks are the specific threat model.
Side effects
- Empty or null input data returns an error or empty result
- Very long strings may hit payload size limits
- Non-string input types may cause schema validation failure
- Network timeout if processing a large volume of complex unicode sequences
- May produce false positives on legitimate multilingual text with naturally similar-looking characters
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| payload | string |
Output
Schema · Response
{
"type": "json",
"example": {
"success": true
}
}Tags
x402
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