Laying out the streets…STEP 1 OF 3

Sether · House #29,247

Open-source redaction before your AI requests leave your app

In the Finding security holes in code neighborhood (Developer). In town since 2 Oct 2026.

Nobody has claimed this house yet. Tablif records every new product and gives it a house; when its owner claims it, the lights go on.

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What Tablif read on Sether's site

What it is

Calls itself “PII-redaction layer”.

  • Calls itself: PII-redaction layer
“Sether is a streaming PII-redaction layer that sits between your application and any LLM API.”

What it costs

No free plan.

  • Free plan: no
“This launch is the open-source library; the hosted gateway is not yet available.”

Who it sells to

Sells to developers.

  • Sells to: developers
“Sether is a streaming PII-redaction layer that sits between your application and any LLM API.”

How it runs

A API for Node. Can be self-hosted. Distributed through the npm. Offers an API. Open source. AI is a side feature.

  • Kind: api
  • Runs on: Node
  • Runs where: self-hosted
  • Distributed via: npm
  • API: yes
  • Open source: yes
  • AI role: a side feature
“…npm install @raeven-co/sether”
“Requires Node 18+. ESM and CommonJS both supported.”

What it works with

Names AWS Bedrock, Anthropic and 5 more on its pages.

  • Names: AWS Bedrock · Anthropic · Azure OpenAI · +4
“Works with OpenAI, Anthropic, Cohere, Mistral, Google Gemini, AWS Bedrock, Azure OpenAI, Together, Groq, Ollama , your own fine-tunes”
“Hides personal data from your LLM before it ships to OpenAI / Anthropic.”

What it offers as proof

Live, no waitlist. Publishes docs.

“This launch is the open-source library; the hosted gateway is not yet available.”
“README.md -> https://github.com/raeven-co/sether/blob/main/README.md”

Sources

Tablif read these pages, last on 2 Oct 2026. Everything above is what the product says about itself; Tablif does not verify every claim.

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