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Fount (Show HN) ·

Fount is a private AI editor that works on your real Excel and Word files, with models in sealed enclaves

Shown on HN Nov 4, the Mac and Windows app indexes a local folder and edits live Excel formulas, pivots and Word tracked changes with citations and reversible edits, while open-weight models (Kimi K3, GLM 5.3, DeepSeek V4.1 Flash) run in Tinfoil enclaves whose code it verifies before sending anything. There's no account or cloud storage, and closed models, BYOK and web search are labeled as not private (Show HN).

Read at fount.sh

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Mailbox.bot gives AI agents a real street address and an MCP tool to send certified physical mail

Shown on HN Nov 5, agents call send outbound mail over MCP or POST /v1/mail to have staff print, photograph and mail letters or certified mail via USPS or FedEx, with dry runs, cost caps and an optional human approval gate. Inbound scans from a staffed Manhattan Beach, CA mailbox arrive as signed webhooks, and each address needs a notarized USPS Form 1583 from a verified human…

Mailbox.bot (Show HN)

CXAgent is a .NET terminal coding workbench where each agent and sub-agent can run on its own model

Shown on HN Nov 4, a one line curl install (no .NET needed) gives a local terminal agent that edits files and spawns worker agents on local models, Anthropic or any OpenAI compatible endpoint, with no CXAgent account or server. It asks before any shell command or anything outside your working folder, and the transcript shows every tool call, duration and cost…

GitHub (nickprotop/cxagent)

Brainpot gives every AI on a team one shared MCP memory, so a fact saved in Claude reaches Cursor and ChatGPT

Shown on HN Nov 5, teammates connect Claude, ChatGPT, Cursor, Copilot or any MCP client to a shared pot of pages and short facts their AIs add, update and remove as they work, with per page read/write rules, versioned history and Markdown or JSON export. It runs no model of its own, keeps data encrypted per workspace on EU servers, and is free for one page and 50 facts…

Brainpot (Show HN)

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