Free website checks: GEO audit, single point of failure DNS scan, Bubble error decoder. No key.
Maintain this server? Claim it
Call this server's tools from your browser. Nothing to install.
Requests go through mcptry because browsers can't call most MCP servers directly. Header values are sent to the server for that request only and are never stored or logged.
Tool list from our last check. Connect live to refresh it.
Explain an error message from an app built on Bubble: the likely cause, a link to the full fix guide and, where one exists, the Red Center Studio fixed-price service for it. Matches the text against the same list as the decoder page at redcenterstudio.com/decoder/. Free, no key.
The error message, or the key words from it.
Pick your client. Values in capitals, like YOUR_TOKEN, are yours to fill in.
Run in a terminal
claude mcp add --transport http rcs-tools https://redcenterstudio.com/api/tools/mcp
Explain an error message from an app built on Bubble: the likely cause, a link to the full fix guide and, where one exists, the Red Center Studio fixed-price service for it. Matches the text against the same list as the decoder page at redcenterstudio.com/decoder/. Free, no key.
| Argument | Type | Description |
|---|---|---|
| error* | string | The error message, or the key words from it. |
{
"type": "object",
"required": [
"error"
],
"properties": {
"error": {
"type": "string",
"description": "The error message, or the key words from it."
}
},
"additionalProperties": false
}Check how ready a public website is for AI assistants and search engines: AI crawler access in robots.txt, sitemap, llms.txt, structured data, titles and page basics. Returns a score out of 100, each check with pass, warn or fail, and copy-paste fixes. Reads the home page, robots.txt, sitemap.xml and llms.txt only. Free, no key. Rate limited per connection.
| Argument | Type | Description |
|---|---|---|
| url* | string | The website address, for example example.com or https://www.example.com/. |
{
"type": "object",
"required": [
"url"
],
"properties": {
"url": {
"type": "string",
"description": "The website address, for example example.com or https://www.example.com/."
}
},
"additionalProperties": false
}Find which companies a business depends on for email, sign-in, DNS, website hosting, outbound email and SaaS, using public DNS only, and what a single outage would stop. Returns the layers, the vendors, a risk score and recommendations. Free, no key. Rate limited per connection and to about 20 fresh scans an hour; repeat scans of the same domain within an hour come from cache.
| Argument | Type | Description |
|---|---|---|
| domain* | string | The business domain, for example example.com. |
{
"type": "object",
"required": [
"domain"
],
"properties": {
"domain": {
"type": "string",
"description": "The business domain, for example example.com."
}
},
"additionalProperties": false
}We read every tool's name, description and inputs the way the model will, looking for instructions hidden from you. A clean result means no warning signs, not a guarantee. Scanned Nov 15, 2026.