schema-field-redaction SKILL.md skillA
schema-field-redaction from estuary/agent-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add estuary/agent-skills/schema-field-redaction@git:20260924.c6e4810Pins git:20260924.c6e4810 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- estuary/agent-skills
- Path
skills/schema-field-redaction/SKILL.md- Versions recorded
- 2
- Latest version
- git:20260924.c6e4810, committed Sep 24, 2026
- First version recorded
- Jul 7, 2026
- Size
- 8,863 bytes
- Repository stars
- 7
- License
- Apache-2.0
Add redaction annotations to sensitive fields in schemas to block or hash PII. Use when configuring GDPR/HIPAA compliance, protecting credentials, or blocking internal fields from materializations. Use when user says "protect PII", "hide sensitive data", "hash field", "redact field", "GDPR compliance", "don't capture field", "remove field from Estuary", or "prevent Estuary from capturing field".
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Protect Sensitive Data with Field Redaction Add redaction annotations to your collection schema to protect sensitive data at the source. Redacted fields are blocked or hashed before documents are stored or materialized. ## When to Use - **PII Protection**: Hash emails, SSNs, phone numbers for GDPR/HIPAA/CCPA compliance - **Credential Security**: Block passwords, API keys, tokens from ever leaving the capture - **Internal Fields**: Remove internal-only metadata before materialization - **Data Minimization**: Ensure only necessary data reaches downstream systems ## How Redaction Works Redaction is applied at write time — sensitive data never reaches Estuary storage, logs, or downstream materializations. This is the earliest point to remove fields, before derivations or materialization field selection. Redaction only applies to documents captured **after** publishing the annotation. To redact historical data, trigger a dataflow reset backfill on the capture. ## Redaction Strategies | Strategy | Effect | Use When | |----------|--------|----------| | `block` | Removes the field entirely | Field should never exist downstream | …
Read the whole file at its exact version.
How to install
mdr add estuary/agent-skills/schema-field-redaction@sha256:168e8af4c6b293f0The line at the top of this page pins the label git:20260924.c6e4810, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_frmztdt6swnyvfmo)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 2 versions of this file, between Jul 7, 2026 and Sep 24, 2026, about one every 79 days.
| version | committed | commit | size | audit | |
|---|---|---|---|---|---|
| git:20260924.c6e4810 latest | 2026-09-24 | c6e4810 | 8,863 B | A | view · diff |
| git:20260707.049f6ae | 2026-07-07 | 049f6ae | 8,877 B | A | view |
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (8863 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
estuary/agent-skills · 7 stars · license Apache-2.0 · pushed 2026-11-04 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_frmztdt6swnyvfmo GET https://markdownregistry.com/api/v1/resolve?ref=estuary/agent-skills/schema-field-redaction GET https://markdownregistry.com/api/v1/blob/168e8af4c6b293f003cf424c8563fe0d0d3f60f31fd0518d17135facba9f2832
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.