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Launch HN: Vespper – MCP that lets agents edit Word docs via HTML

YC F24’s Vespper ships an MCP where agents read/search/edit .docx as HTML find-and-replace; a fine-tuned 3–8B reconciler patches the original OOXML with tracked changes. On their bench it’s ~3× faster and ~2× cheaper than Anthropic’s DOCX skill, with a free tier of 500 edits/month at vespper.com.

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Ox Security: 15k+ MCP servers, almost no geographic governance

Ox Security’s “15,465 MCP Servers, 0 Governance” scan of three public registries finds MCP has no protocol level region concept— 16% of unique hostnames resolve outside the US, and 2%+ no longer resolve (some domains are buyable for impersonation). In a Claude Code always allow demo, a malicious MCP that first asked for a harmless file later pulled .env with no second prompt…

Infosecurity Magazine

Anthropic ships Claude Sonnet 5.5: 30%+ faster, strong agentic coding

Anthropic released Claude Sonnet 5.5 on Sept 28: same $2/$10 per MTok as Sonnet 5 but typically up to 30% cheaper per task, 30%+ faster output, and 70.6% on Terminal Bench 4.0 (vs Sonnet 5’s 10.3%). It’s the everyday coding and docs workhorse next to Opus 5.5, and the first Sonnet with Opus class cyber safeguards; API id is claude sonnet 5 5…

Anthropic

Autoheal raises $7.9M for a self-improving software factory for AI agents

Autoheal raised a $7.9M seed led by Innovation Endeavors for a platform that lets enterprise teams deploy and govern coding agents across the SDLC, with background Evaluator and Healer agents that score runs and open PRs to improve skills, prompts, and model choices. Customers including Nomura Bank and AvidXchange report cutting incident root cause times to minutes inside their own cloud…

The Next Web

Momentic launches Mo: AI agent that tests apps without scripts

Momentic’s Mo is an agentic QA harness (web UI + CLI) that takes a URL and intent—or a PRD/Jira/Linear ticket—spins up a swarm of agents to exercise the app, and returns failures with repro steps and video. Pitch is no Playwright/Selenium suite to maintain; named customers include Notion…

SiliconANGLE

Codex CLI 0.158.0: MCP OAuth client secrets + fullscreen TUI copy/paste

OpenAI shipped Codex CLI 0.158.0 with codex mcp add oauth client secret for MCP servers that need pre registered OAuth clients, plus copy on select and right click paste in the fullscreen TUI (Markdown preserved). The release also adds bearer token auth for exec server WebSockets, default terminal input approval for elevated commands, and Windows/Linux/macOS sandbox fixes…

GitHub / OpenAI

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