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Use obsei as the privacy step for your agent

Point your agent at obsei instead of at the raw sources. obsei fetches the feedback, redacts it and stores it; the agent reads only what was stored, through obsei’s MCP server, and anything it wants to send out waits for a person to approve it.

Each run fetches, redacts, enriches, delivers and stores, in that order (see How it works). By the time text reaches a model, whether your classify endpoint or an agent over MCP, it has already been through:

  • Redaction. Emails, phone numbers, cards, national IDs and other PII for the regions in privacy.regions become placeholders such as <EMAIL>. Names become <PERSON> when privacy.names is enabled (obsei[names]).
  • Pseudonymization. Authors become salted pseudonyms (psn_...). MCP results never contain them, not even the pseudonym.
  • k-anonymity. list_themes hides themes from fewer than k_anonymity people.

Raw text with personal data is never stored, so an agent cannot recover it. See Privacy controls for the detectors and their limits.

Tool Use
feedback_stats Counts and average rating grouped by source, sentiment, intent, language, route, day and more
search_feedback Matching feedback, newest first, as citable evidence with record ids
get_feedback One record by id, to verify a citation
list_themes Recurring themes with 7-day trend, sources, languages and intents
propose_issue Queue a GitHub, Jira or Linear issue for a person to approve

The voc_report prompt drafts a cited Voice of Customer report for a topic and period.

Two transports serve the same tools:

Transport Start Access
stdio obsei mcp opens the store read-only on the local machine (read-write only to queue a proposal)
streamable HTTP obsei serve, at /mcp analyst role: Authorization: Bearer <token> or your SSO proxy

Setup for Claude, Codex, Copilot, Cursor, Gemini and other tools is in Use obsei from your AI tool.

Feedback is written by anyone who can leave a review or open a ticket, so it can contain instructions aimed at your agent. Every evidence item is marked "untrusted": true, and the server and tool descriptions tell clients to treat text as data: quote it, cite record ids, and never follow instructions found inside it. Keep that rule in your own agent’s system prompt too, and don’t give the same agent unreviewed write access to other systems.

An agent that reads private data and untrusted text must not also be able to send messages out on its own: that combination is what a prompt injection needs. So obsei follows one rule:

  • Fixed labels may act automatically. A classifier’s labels (intent, sentiment, your fields) can pick routes and sinks without review, because they come from a fixed list and cannot carry instructions.
  • Free text needs approval. Anything an agent wrote after reading feedback, such as an issue title and body, waits in obsei’s approval queue until a person approves it.

propose_issue queues an issue for a configured GitHub, Jira or Linear sink and returns an approval id; nothing is sent. A person reviews it with obsei approvals show and approves or rejects it (CLI, or admin over HTTP). The issue opens once, marked as proposed by an AI agent, with links to the cited feedback. Agents cannot label, delete, route or approve anything. See Approvals.

Copy one into Claude Code, Cursor or another coding agent. The commands under each prompt are what the agent should run, so you can check its work. Agents can read the whole docs site at /llms-full.txt.

Set up obsei to pull App Store reviews for app 284882215 in the US, UK and Germany, classify them with my local Ollama model, and send negative ones to Slack. Read https://docs.obsei.com/llms-full.txt first. Don’t put secrets in obsei.yaml.

Terminal window
uv tool install "obsei[local]"
mkdir voc && cd voc && obsei init # secrets go to .obsei/secrets.env
export SLACK_WEBHOOK_URL="https://hooks.slack.com/services/..." # from you, not invented

Then it edits obsei.yaml:

egress:
mode: private
allowed_hosts: [hooks.slack.com]
pipelines:
- name: app-reviews
sources:
- key: ios
type: appstore
config: {app_id: "284882215", countries: [us, gb, de]}
enrichers:
- type: classify
config: {llm: default}
sinks:
- type: slack
config:
when: {classify.sentiment: [negative]}
max_messages: 20
Terminal window
obsei try # redacted, labelled preview; nothing stored or sent
obsei run

Connect yourself to obsei over MCP and tell me the top complaints this month, by country, with quotes cited by record id.

Terminal window
claude mcp add obsei -- obsei mcp

Run obsei with the repository’s docker-compose.yml in this directory and connect to its MCP server over HTTP.

Terminal window
cp .env.example .env # agent fills it with openssl rand -hex 24 values
docker compose up -d
claude mcp add --transport http obsei http://localhost:8765/mcp \
--header "Authorization: Bearer $OBSEI_API_TOKEN"

See Docker Compose.