Occasio

Name: Occasio
Author: occasiolabs

by occasiolabscommunityv0.10.0

Occasio is a local proxy and policy engine for AI coding agents that intercepts tool calls, enforces read/secret policies, and records tamper-evident audit events. It can produce signed behavioral attestations of an agent session and run anomaly detection over the audit chain.

From the registry: Tamper-evident, Sigstore-signed audit trail for Claude Code agents.

GitHub Repository

Install & configure

No canonical install info was extracted for this server. Check the repository README directly.

Tools (26)

occasio claude [args]

Start Claude Code with the Occasio proxy active

occasio register

occasio doctor

Run setup health checks

occasio status

Show session totals and savings breakdown

occasio replay

Inspect a run-level audit with optional detail and filters

occasio inspect

Show a per-request cloud-boundary manifest

occasio boundary

Display produced, re-entered, and prevented data

occasio ledger

Show a per-request token ledger

occasio distill

Inspect distilled tool outputs

occasio dashboard

Open a live browser dashboard

occasio audit verify

Verify the SHA-256 audit chain end-to-end

occasio audit repair --file <path>

Truncate a crash-partial trailing line and write a backup

occasio report

Export a governance summary

occasio anomalies

Prerequisites

• Python 3

Packages

@occasiolabs/occasio

npmv0.10.0transport: stdio

Details

Language: JavaScript
License: Apache-2.0
Released: May 28, 2026
Last commit: Jun 6, 2026
Registry name: io.github.occasiolabs/occasio

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Run anomaly detectors over the audit chain

occasio attest --run-id <uuid>

Build a behavioral attestation predicate for one session

occasio attest --sign

Sigstore-sign an attestation using GitHub Actions OIDC

occasio attest verify <file>

Re-verify a signed attestation end-to-end

occasio policy [show | validate | init | doctor]

Manage and validate policy configuration

occasio harness

Run scripted adversarial scenarios against a policy

occasio redteam

Probe a subject Claude Code session with an autonomous tester LLM

occasio computer-use --dry-run

Apply a Computer-Use policy to synthetic tool_use blocks

occasio demo attest

Run the synthetic end-to-end attestation demo

occasio demo anomalies

Run the synthetic anomaly detection demo

occasio selftest

Run in-process governance self-checks on a scratch chain

occasio baseline [learn | compare]

Learn or compare a per-project behavior baseline

occasio preflight

Mine recent activity read-only for policy suggestions