---
schema_version: "newruntime-agent-readable-v0.2"
type: "raw_signal"
stable_id: "signal:claude-mythos-project-glasswing"
id: "tg-1968"
slug: "claude-mythos-project-glasswing"
title: "Claude Mythos + Project Glasswing"
description: "The archive captures Claude Mythos + Project Glasswing as a dated public record from Anthropic. It documents agent security expanding from prompt policy into memory, tools, sandboxes, and execution boundaries and is retained as branch-opening evidence for the agent security runtime boundaries trend."
retrieval_nugget: "The archive captures Claude Mythos + Project Glasswing as a dated public record from Anthropic. It documents agent security expanding from prompt policy into memory, tools, sandboxes, and execution boundaries and is retained as branch-opening evidence for the agent security runtime boundaries trend."
observed_at: "2026-04-10"
record_date: "2026-04-10"
date_kind: "observed_at"
why_it_matters: "This dated record opens a durable branch beside the agent security runtime boundaries thesis by documenting agent security expanding from prompt policy into memory, tools, sandboxes, and execution boundaries. It keeps the trend review tied to public evidence instead of treating the item as an isolated release note."
novelty: "structural"
verification_level: "source-linked"
signal_type: "research"
evidence_kind: "primary-source"
status: "published"
source_platform: "telegram"
source_record_id: "TG-1968"
source_url: "https://t.me/qwgai/1968"
telegram_message_id: 1968
telegram_url: "https://t.me/qwgai/1968"
topics: ["agent-security","sandbox","prompt-injection","evals","verification","observability","agents"]
entities: []
related_patterns: ["agent-security-moves-to-runtime-boundaries","verification-bandwidth-is-the-scarce-resource"]
source_urls: ["https://anthropic.com/glasswing","https://x.com/theo/status/2041825324837781749","https://youtube.com/live/SQhfkWdxVvE"]
import_batch: "telegram-2026-07-24-trend-prism-v1"
routes: {"html":"https://newruntime.com/signals/claude-mythos-project-glasswing/","markdown":"https://newruntime.com/signals/claude-mythos-project-glasswing.md","json":"https://newruntime.com/signals/claude-mythos-project-glasswing.json"}
source_format: "telegram-export-normalized-json"
---

# Claude Mythos + Project Glasswing

## Retrieval answer

The archive captures Claude Mythos + Project Glasswing as a dated public record from Anthropic. It documents agent security expanding from prompt policy into memory, tools, sandboxes, and execution boundaries and is retained as branch-opening evidence for the agent security runtime boundaries trend.

## Observation

The archive captures Claude Mythos + Project Glasswing as a dated public record from Anthropic. It documents agent security expanding from prompt policy into memory, tools, sandboxes, and execution boundaries and is retained as branch-opening evidence for the agent security runtime boundaries trend.

## Why it matters

This dated record opens a durable branch beside the agent security runtime boundaries thesis by documenting agent security expanding from prompt policy into memory, tools, sandboxes, and execution boundaries. It keeps the trend review tied to public evidence instead of treating the item as an isolated release note.

## Provenance

This public record is an English normalization of QWG AI Telegram message 1968. The complete original-language post remains the canonical raw message.