Fetching from the wire…
Markets2026-09-24 · source-backed
Amazon's Selling Partner plugin works in Amazon Quick and, in beta, in Claude, letting US sellers check inventory, change prices and edit listings. Sellers pick which data scopes the plugin reaches and approve each action. Seller Assistant also gained persistent memory and always-on workflows, running on Claude models through Bedrock (GeekWire). Amazon started blocking Muse on September 21, saying the agent doesn't identify itself and stores customer credentials. Stratechery reads the retail fight as Meta needing Walmart to hold out while Amazon's $68B+ ad business depends on humans seeing sponsored listings (Stratechery). Amazon isn't anti-agent. It's anti-agent-it-didn't-negotiate-with, and self-identification is the enforcement line.
Each link below shares sources, entities, or timing with this story.
Amazon cut off Muse because it didn't identify itself as an agent in every request and never asked permission. That's the whole reason, per GeekWire. Zuckerberg says Muse will take "a very small cut" of each transaction, paid by merchants. Nikesh Arora calls it "a bigger battl...
Starting the night of September 20, Muse users who pointed the agent at Amazon.com got a popup instead of a product page: "Continued access by an unauthorized AI agent violates Amazon's Conditions of Use, to which our customers have agreed." Twelve days after launch. Amazon ho...
Stratechery's September 21 piece argues Anthropic's slowdown proposal happens to solve four existing problems. Capability overhang: Microsoft's multi-model Copilot Cowork harness saw low usage of Anthropic's Fable 5 because of a 30-day data retention requirement, so customers...
The largest AI infrastructure deal in history: Amazon invests $50B in OpenAI ($15B initial + $35B conditional) to make AWS the exclusive third-party cloud for OpenAI Frontier — a platform for deploying teams of AI agents with shared context, built-in governance, and enterprise...
Patrick Wardle disclosed on September 21 that Meta's Muse macOS app exposes an undocumented setting, endo_voyager_dictation_endpoint, which an unprivileged local process can rewrite with no elevated permissions. Rewrite it and dictated audio and prompts go to attacker infrastr...
On September 9, Anthropic added a mods/ folder to the public claude-code repo containing the full source of three plugins compiled into the binary: sec-default, diff and telemetry. 52 commits by September 13. None of it appears in the CHANGELOG, so the repo is running ahead of...
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