MCP Rule34 runs on your own machine — the client starts it, so there is no endpoint to ping. 168 installs a week from npm. Last commit 6 Nov 2026.
Search rule34.xxx posts by tag through the site's own API. Needs a rule34.xxx API key.
Nothing serious here today
Today is the operative word: we check MCP Rule34 every 15 minutes and re-read its code on every release. Watch it and you find out the day that stops being true.
Connect this server
This server runs on your own machine — install it with the package manager and the client starts it for you. Package name taken from the official registry entry.
claude mcp add mcp-rule34 -e 'RULE34_USER_ID=<RULE34_USER_ID>' -e 'RULE34_API_KEY=<RULE34_API_KEY>' -- npx -y mcp-rule34{
"mcpServers": {
"mcp-rule34": {
"command": "npx",
"args": [
"-y",
"mcp-rule34"
],
"env": {
"RULE34_API_KEY": "<RULE34_API_KEY>",
"RULE34_USER_ID": "<RULE34_USER_ID>"
}
}
}
}[mcp_servers.mcp-rule34]
command = "npx"
args = ["-y", "mcp-rule34"]
env = { RULE34_USER_ID = "<RULE34_USER_ID>", RULE34_API_KEY = "<RULE34_API_KEY>" }{
"mcpServers": {
"mcp-rule34": {
"command": "npx",
"args": [
"-y",
"mcp-rule34"
],
"env": {
"RULE34_API_KEY": "<RULE34_API_KEY>",
"RULE34_USER_ID": "<RULE34_USER_ID>"
}
}
}
}{
"servers": {
"mcp-rule34": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"mcp-rule34"
],
"env": {
"RULE34_API_KEY": "<RULE34_API_KEY>",
"RULE34_USER_ID": "<RULE34_USER_ID>"
}
}
}
}Put your own values in place of
<RULE34_USER_ID> (Numeric rule34.xxx account id, shown under API Access Credentials), <RULE34_API_KEY> (rule34.xxx API key, shown under API Access Credentials. One per person).
The author’s registry entry marks them as required.
Optional settings from the registry entry, left out of the block above:
RULE34_MIN_INTERVAL_MS (Minimum milliseconds between requests. Default 1000, and never lower), RULE34_LOG_LEVEL (silent, error, info or debug. Default error).
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MCP Rule34 — questions
Answers built from our own checks of this server.