Regex Explainer
Explain a regex in plain English and detect catastrophic backtracking risk.
Connect it
Settings → Connectors → Add custom connector
URL: https://regex-explainer.gumballtools.com/api/mcpSettings → Apps & Connectors → Advanced → Developer mode
Create connector with URL: https://regex-explainer.gumballtools.com/api/mcp{
"mcpServers": {
"regex-explainer": {
"url": "https://regex-explainer.gumballtools.com/api/mcp"
}
}
}claude mcp add --transport http regex-explainer https://regex-explainer.gumballtools.com/api/mcp{
"servers": {
"regex-explainer": {
"type": "http",
"url": "https://regex-explainer.gumballtools.com/api/mcp"
}
}
}1 tools, verified live
explain_regexread-onlyExplain a regular expression in plain English and detect the failure modes that make patterns dangerous rather than merely wrong. Use this whenever a regex needs to be read, reviewed, or verified â and ALWAYS before putting a pattern somewhere it will run against untrusted input. The critical check is catastrophic backtracking: a pattern like (a+)+$ is three characters longer than a safe equiva
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