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Vibivibi

End-to-end encrypted sharing of Coding Agent sessions

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This is 1 of 272 launches in ai coding agent session managers — see how it stacks up on momentum and crowding →

226 other launches read as similar to this one →

Details

External ID
49965199
Source
HN
Company
—
Product
Vibivibi
Website domain
vibivibi.com
Launched
Oct. 5, 2026
Cohort
—
Upvotes
5
Upvotes percentile
0.10
Tags
—

Description

Hi HN, I'm Hongyin. I built Vibivibi (https://vibivibi.com) because I kept starting a coding agent session on my laptop and wanting to continue it on a server, or hand it to a colleague. I want an easier way to do it but won’t trust anyone hosting my traces who promises they won’t sell it (market price per coding trace is $50 to $100).What Vibivibi does: a small CLI, `vibi`, finds the sessions your coding agents keep locally (Claude Code, Codex CLI, OpenCode, Pi), encrypts one on your machine and uploads it. On another machine `vibi pull` puts it back where the agent expects it, so `claude --resume <id>` just continues. `vibi push` can also send a session to someone else by email.Our service cannot read session content. Each user has a key pair made on their first machine; the private key reaches the server only wrapped with a key derived from an encryption password that never leaves the user's machines. Every session version is encrypted with its own random key, which is then wrapped for each recipient (X25519, HKDF, AES-256-GCM). The server sees account emails, public keys, machine names, sizes, timestamps, who sent what to whom, and an optional plain-text label.Sending to someone who doesn't have an account yet works too: the sender's client makes a key pair on their behalf, locks it with a random 12-character passphrase, and shows the sender that passphrase to pass on out of band. When the recipient signs up and enrolls a machine, their client unlocks it locally and re-keys the session to their own key.The client is open source (Apache-2.0): https://github.com/subconscious-systems/vibi-cli The crypto and the schemas of everything the client sends live in one package, so the claims above can be checked against the code. It ships as a single executable, no Node or npm needed: `curl -fsSL https://vibivibi.com/install.sh | sh`, or build it yourself. The server (Next.js on Vercel, Postgres, blob storage) is not open source.Pricing: free for 200 MB of encrypted storage and unlimited sends; Pro is $8/month for 20 GB; Team is $15/seat with an admin view and a "send only inside the team" policy.Honest limitations: - There is no password recovery. Forget the encryption password and the key, and everything encrypted for it, is gone.I'd like to hear where the threat model falls short, and which agents or workflows you'd want supported next.

Enrichment

Niche
ai coding agent session managers
Vertical
Horizontal
Function
Dev tools
Audience
Developer
AI stance
AI feature
Project type
Hobby / open-source project
Normalized one-liner
encrypted session sharing for coding agents
Manually corrected
False

Could you build this?

Partial The client sync and cloud relay are straightforward, but designing a cryptographically secure zero-knowledge end-to-end encryption protocol across multi-machine state synchronization demands careful cryptographic engineering.

What it would actually take: The architecture involves a Rust or Go CLI leveraging libsodium/WebCrypto (X25519 for key exchange, ChaCha20-Poly1305 or AES-GCM for payload encryption, Argon2id for password derivation) and an S3-compatible backend storage layer. The difficult part is implementing zero-knowledge identity, secure key distribution across team members, and concurrent conflict resolution without server-side plaintext visibility.

Discussion

No comments on this launch.

Competitors

Other products that read as similar to this one — 226 launches clear the similarity bar, closest 8 shown.

Attention rank: #222 of 227 (itself plus its competitors, highest first — normalized so YC and Product Hunt are compared fairly).

Launched 340 days after the earliest competitor.

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