Intercept

Filter and rewrite

Paste or drop source. InvisableOS strips invisible Unicode, folds homoglyphs, kills bidi overrides, and rewrites Claude-voiced comments before anything is allowed near git.

01 Incoming
02 Detect
03 Rewrite
04 VCS

Verdict

tainted

Risk

Findings

Marks

Lang

Strip invisible / format characters3
Strip trailing whitespace + CRLF1
Strip Claude / AI-voiced comments5

Channels

UTF-8 byte-order mark
medium
File starts with U+FEFF. Often used as a covert signature on generated files.
L1:1·// I'll help you implement a robust session helper.
ZERO WIDTH NO-BREAK SPACE / BOM
high
U+FEFF is not rendered. Common Claude / LLM fingerprint channel.
L1:1·// I'll help you implement a robust session helper.
ZERO WIDTH SPACE
high
U+200B is not rendered. Common Claude / LLM fingerprint channel.
L5:22·export function rotateSession(token: string): string {
ZERO WIDTH NON-JOINER
high
U+200C is not rendered. Common Claude / LLM fingerprint channel.
L11:42·return token.slice(0, 8) + "." + stamp;‌
AI / Claude comment voice
medium
Tutorial or assistant phrasing typical of Anthropic and other LLM codegen.
L1:2·// I'll help you implement a robust session helper.
AI / Claude comment voice
medium
Tutorial or assistant phrasing typical of Anthropic and other LLM codegen.
L2:2·// This function handles token rotation and gracefully handles edge cases.
AI / Claude comment voice
medium
Tutorial or assistant phrasing typical of Anthropic and other LLM codegen.
L3:2·// Here's a comprehensive solution that is production-ready.
AI / Claude comment voice
medium
Tutorial or assistant phrasing typical of Anthropic and other LLM codegen.
L6:2·// We need to ensure the token is not empty
Trailing whitespace
low
Trailing spaces or tabs can encode a bitstream across a file.
L10:43·const stamp = Date.now().toString(36);
AI / Claude comment voice
medium
Tutorial or assistant phrasing typical of Anthropic and other LLM codegen.
L14:2·// Let me add a helper function to verify the shape

Incoming

1// I'll help you implement a robust session helper.
2// This function handles token rotation and gracefully handles edge cases.
3// Here's a comprehensive solution that is production-ready.
4 
5export function rotateSession(token: string): string {
6  // We need to ensure the token is not empty
7  if (!token) {
8    throw new Error("missing token");
9  }
10  const stamp = Date.now().toString(36);  
11  return token.slice(0, 8) + "." + stamp;‌
12}
13 
14// Let me add a helper function to verify the shape
15export function isSessionShape(value: unknown): value is { token: string } {
16  return typeof value === "object" && value !== null && "token" in value;
17}

Rewritten

1 
2 
3export function rotateSession(token: string): string {
4 
5  if (!token) {
6    throw new Error("missing token");
7  }
8  const stamp = Date.now().toString(36);
9  return token.slice(0, 8) + "." + stamp;
10}
11 
12export function isSessionShape(value: unknown): value is { token: string } {
13  return typeof value === "object" && value !== null && "token" in value;
14}