pseudonym-mcp
A local MCP server that detects PII using regex and optional local LLM, replaces it with opaque tokens before sending text to cloud LLMs, and supports restoration via unmask_text. It offers 46 recognizers across multiple locales and operates as a defense-in-depth privacy measure.
Package and access
Local package with source-attributed installation metadata. Koskamo does not execute packages during review.
Checks and signals
Each line is separate evidence, not a trust score.
- Popularity 2 GitHub stars
What you can do with it
- Mask PII in prompts before cloud LLM processing
- Restore original text from masked tokens
- Detect PII locally using regex or hybrid NER
Source and maintenance
- Last repository push
- Latest release
- v0.9.0
- Maintenance checked
Packages and installation
Source-provided package data. Koskamo has not executed or live-probed this package.
pseudonym-mcp 0.9.0
{
"version": "0.9.0",
"transport": "stdio",
"identifier": "pseudonym-mcp",
"runtimeHint": "npx",
"registryType": "npm"
}Tools
Reported by the attributed source; not independently observed by Koskamo.
Maintenance history
Public check and source-refresh events. Editorial and ownership records remain private.
- · repository · passed · metadata changed · updated
- · backfill · recorded · Pre-expansion baseline; unobserved rich metadata remains unknown
Connect from your client
Each snippet configures the same source-provided package; replace placeholders before use.
Cursor
{
"mcpServers": {
"pseudonym-mcp": {
"command": "npx",
"args": [
"-y",
"pseudonym-mcp@0.9.0"
]
}
}
}Cline
{
"mcpServers": {
"pseudonym-mcp": {
"command": "npx",
"args": [
"-y",
"pseudonym-mcp@0.9.0"
]
}
}
}VS Code
{
"servers": {
"pseudonym-mcp": {
"type": "stdio",
"command": "npx",
"args": [
"-y",
"pseudonym-mcp@0.9.0"
]
}
}
}Claude Desktop
{
"mcpServers": {
"pseudonym-mcp": {
"command": "npx",
"args": [
"-y",
"pseudonym-mcp@0.9.0"
]
}
}
}Let your agent find its tools
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