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Redacta MCP server

by nickjlamb·io.github.nickjlamb/redacta-mcp·v2.1.0

Pseudonymise and restore patient identifiers & PII in text — local, HIPAA Safe Harbor mode.

A92/100grade A
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Safety scan
A92/100

full report

Adoption
Growing

9 stars37 downloads/wk

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If you have run it, two minutes of your experience saves the next person an afternoon.

Redacta tools (8, 1 write)

write = sends, deletes, buys or posts

Read from the package source without running it. The installed server may list more.

  • check_output

    Scan generated text for verbatim reappearance of the original

  • discard_sessionwrite action

    Delete a session's private mapping immediately instead of waiting

  • protect

    Redact patient identifiers and PII, replacing each distinct value

  • redact

    LEGACY: like protect, but returns the token_map (token ->

  • reinstate

    LEGACY: reverse a redaction using a token map held by the

  • release_to_client

    WARNING: returns re-identified text directly in the tool result,

  • release_to_file

    Restore original identifiers into text produced from a protected

  • self_check

    Scan already-redacted text for anything that still looks like an

Public scan report

scanner v0.1.9 · 2026-09-23 · same rubric, same numbers if you re-run it

no findings
  • Code scan11 source files scanned25/25
  • –Live reliabilityno gateway calls yet and no remote to proben/a
  • –Tool poisoningtools not inspected (local package is not executed); not countedn/a
  • Auth qualitylocal package, no credentials required12/15
  • Maintenancelast push 13 days ago15/15
  • Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Overall 92/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON

What the publisher says

From the Redacta repository's README, as published. We do not edit it. Read it on GitHub

Redacta

Pseudonymise medical and clinical documents before they're processed by AI or shared. Redacta replaces patient identifiers with labelled tokens — [PATIENTNAME1], [NHSNUMBER1], [DATEOFBIRTH_1], … — while leaving the clinical meaning intact, and returns a redaction report alongside the cleaned text.

It started as an Agent Skill and is now one engine shipped across eight surfaces — an iOS app, agent skill, MCP server, a self-hosted HTTP service with a Kubernetes deployment, two libraries, a CLI, and a FigJam whiteboard plugin.

Running this in production? Redacta offers a small number of fixed-price

design-partner integrations for teams shipping AI agents on clinical or patient

data — deployment in your environment, one real workflow integrated, and a

data-flow document written for your DPO.

Details →

One engine, many surfaces

Shortened. The full README is on GitHub.

Nothing above is checked by us. What we check is on the safety report.

Install directly

Runs npx -y redacta-mcp on your machine. Read the scan report first; the gateway never runs local packages.

claude mcp add redacta-mcp -- npx -y redacta-mcp
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Redacta: common questions

Is Redacta MCP server safe?
Yes, by our scan: it is graded A (92/100). Read the Redacta safety report
How do I install Redacta?
It runs on your machine. Copy the Claude Code, Claude Desktop or Cursor config from the install section.
Does Redacta need an API key?
Not as far as the registry entry and our scan can tell: no credentials are declared or required.
Is Redacta maintained?
The last commit was 14 days ago (2026-09-10). The latest release is v2.1.0.

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