John-Michael Murphy

finance vertical tech lead @perplexity_ai, formerly @nytgraphics.
software. news. running.

[John-Michael Murphy @johnmichael_mur]

@buzinover @jose_goncalves_ I needed to take a breath

[John-Michael Murphy @johnmichael_mur]

@buzinover @jose_goncalves_ Okay Michael !!!

[Matt Johansen @mattjay]

TL;DR - guy thinks he hacked Perplexity.

Perplexity responds with "lol, no our billing is just async. check your inbox."

Guy finds his bill: *shocked pikachu*

[Denis Yarats @denisyarats]

This isn’t accurate. The secure sandbox of Perplexity Computer creates a temporary proxy token for every user session.

We choose not to hide it from the user because it’s their token. (They can do whatever they want with it, but I don’t recommend posting it on X)

It’s not an API key, it’s a short-lived proxy token associated with the session and user. It’s located in the sandbox, because that’s the point of the sandbox.

Anything run through it is billed back to your account. Billing is async, which may have caused this user’s confusion.

Don’t worry, as soon as we saw this post we ensured this user’s session token was revoked for security.

The session he describes generated 197 billing events. We shared billing details with him directly but can’t publicly. (Billing is done at the proxy, and every cost is attached to the proxy token.)

Thank you @yousifa for creative security research and collaborative spirit.

Everyone else - email is a slow way to reach us! We have a thriving VDP that helps keep all of our products secure. https://t.co/pJYG7GCszy

[John-Michael Murphy @johnmichael_mur]

Not just for skills. If you’ve got a lot of non sensitive data, provision an isolated replica, tell the agent to explore the tables first, and watch it rip.

[Kevin Gu @kevingu]

give your agents a db, not just a file system

https://t.co/onNIJUo0wx

[John-Michael Murphy @johnmichael_mur]

@dr It’s a fun internet debate that’ll improve both approaches I think!

[John-Michael Murphy @johnmichael_mur]

@fatih @hardiksd CLIs (and most things) run well on cheap, resumable, per-user remote sandboxes with short lived auth tokens

[John-Michael Murphy @johnmichael_mur]

it's extremely rude to ask a person for their system prompt in my culture (irish)

[John-Michael Murphy @johnmichael_mur]

@0xalank @perplexity_ai We take privacy seriously: https://t.co/yCMljx4MF2

[John-Michael Murphy @johnmichael_mur]

one of the best parts of @perplexity_ai finance is that we manage all of the data integrations for you. We've integrated with myriad, high-quality providers to ensure accurate data and clear audibility traces. In DR all numbers (and derivative calculations) are traceable back to source documents. Not something a simple MCP connector can do for you.

[John-Michael Murphy @johnmichael_mur]

@garrytan + you're outsourcing quality, latency, uptime to an entity over which you have little control. just write bash + sql!

[ₕₐₘₚₜₒₙ @hamptonism]

Portfolio integration into Perplexity Computer…

History in the making.

[John-Michael Murphy @johnmichael_mur]

@morganlinton #1 fan

[Morgan @morganlinton]

Perplexity just announced a partnership with @Plaid to allow people to bring their own investment portfolios into Perplexity Computer.

Here’s the one and only @jeffgrimes9 announcing it.

[John-Michael Murphy @johnmichael_mur]

The finance team very intentionally focused on building integrations in-house instead of relying on third party MCPs, because accuracy and quality are paramount.

We'll continue to raise the quality bar here and expand partnerships with new exchanges and providers so you can focus on building.

[John-Michael Murphy @johnmichael_mur]

big day for perplexity finance!

[jenny sung @jennysvng]

omg it’s @jeffgrimes9 !!!!

[Perplexity @perplexity_ai]

Announcing Personal Computer.

Personal Computer is an always on, local merge with Perplexity Computer that works for you 24/7.

It's personal, secure, and works across your files, apps, and sessions through a continuously running Mac mini.

[Allie ✞ @allie__voss]

I say thank you AI not because it is human, but because I am

[John-Michael Murphy @johnmichael_mur]

@TedHZhang @perplexity_ai Already in place. We’ve partnered with a lot of great providers. private markets data in computer isn’t far off.