GATE (@mppgate) header
GATE (@mppgate) profile picture

GATE

@mppgate

Payment control layer for AI agents. Built on MPP across @Tempo and @Solana 3EfCdzNM15mZzxiwXzyk32syZeSKJYgLVBXP9vJ4pump

mppgate.com/
Joined March 2026
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GATE@mppgateApr 10
Standards don't get set by one player. They get set when the builders align. Proud to join @MPP_Pay as a founding member of the MPP Governance Committee — defining the standard, shipping the tooling, growing the ecosystem. This is how protocols win
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MPP Pay (mpp/acc) (@MPP_Pay) profile pictureMPP Pay (mpp/acc)
@MPP_PayApr 10
Introducing MPP is The Standard Committee We are delighted to work with @mppgate to set up the first governance committee for @mpp As the two founding members, our goal is to push adoption of MPP. The Governance Committee will: > Define and set the official standards > Develop and support tooling to push adoption > Organize hackathons, workshops, and dev tooling to grow the ecosystem Over time, more select members will be invited to join the committee. Let’s make MPP the Standard.
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Standards don't announce themselves. But we will. Soon.
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Wallets are no longer just for humans. Phantom just shipped agent wallets + MCP server. Solana supports agentic payments. Solana already has the rails. The infrastructure for autonomous economic agents is being built faster than anyone can regulate it. W @phantom @solana
Phantom (@phantom) profile picturePhantom
@phantomApr 9
Phantom Connect and our new MCP server are live for @colosseum Frontier builders. Faster auth, agent wallets, and access to 20M+ active community members.
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Every chain that supports MPP is a chain where agent spending goes uncontrolled — unless you have MPPGate. Welcome to the network, @monad.
Monad (@monad) profile pictureMonad
@monadApr 9
Monad supports the Machine Payments Protocol. MPP is an open protocol for agentic payments. Charge for API requests, tool calls, or content with a few lines of code. Check out the docs here: docs.monad.xyz/reference/mpp…
Image from Monad (@monad)
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If your AI agent made 500 API calls last night, do you know which ones they were? A) Yes, I have full logs B) Sort of — I can check API dashboards separately C) Not really D) I had no idea that was possible Building audit trails right now. Curious where most people are.
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Great breakdown on MPP vs x402. not competing rails, complementary layers solving different problems. The builders who understand this distinction early are the ones who end up in the right position.
A1 Research (@a1research__) profile pictureA1 Research
@a1research__Apr 7
Agentic Payments: Everyone's Arguing About Payment Rails. The Real Money Is Somewhere Else Entirely.

Agentic Payments: Everyone's Arguing About Payment Rails. The Real Money Is Somewhere Else Entirely.

Article · @a1research__
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Been building on Tempo and this is exactly what we needed: passkey auth + fee sponsorship removes the last friction points for our users. implementing this in @mppgate soon 🫡
Tempo (@tempo) profile pictureTempo
@tempoApr 7
Introducing the Tempo Accounts SDK One line of code gives your app passkey-based auth, fee sponsorship, batch transactions, transaction simulation, and onramping out of the box. No seed phrases. No browser extensions. Just Face ID, Touch ID, or fingerprint. Start building:
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Most people don't realize how invisible AI agent spending is. No receipt. No log. No way to know which agent called what API at what time. Until the bill arrives. Audit trails for AI agents aren't a nice-to-have. They're the difference between "I know what happened" and "I have no idea." We're building that this week.
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Week 3 starts now. This week we're building something every agent operator needs: Audit Trail: every payment your agent ever made, logged, searchable, and exportable.
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Building autonomous agents that handle real money. What keeps you up at night? 1. not knowing what they spent (audit trail), or 2. not stopping them in time (spend alerts) shipping one this week. you pick.
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3 easy steps to set up your spending guardrail for your @StellarOrg agent with GATE: → Go to Agent → Connect your Stellar wallet → Set your rules Done. GATE handles the guardrails. Built on @mpp.
GATE (@mppgate) profile pictureGATE@mppgateApr 6
We’re excited to announce that @StellarOrg is now supported on GATE. Agents running on Stellar can now operate with built-in spending control: > Per-agent budgets > Auto stop mechanisms > Agent status monitoring More networks are coming to @mpp. GATE is ready to be the spending guardrail for every agent.
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Try now on: <mppgate.com>
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We’re excited to announce that @StellarOrg is now supported on GATE. Agents running on Stellar can now operate with built-in spending control: > Per-agent budgets > Auto stop mechanisms > Agent status monitoring More networks are coming to @mpp. GATE is ready to be the spending guardrail for every agent.
Image from GATE (@mppgate)
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Week 2 shipped. — Per-Agent Budgets: set spending caps per agent. — Auto-Stop: gate closes when budget hits 100%. — Agent Status: Active / Near Limit / Stopped All reflected live on the dashboard
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Coming next. Audit Trail: full payment logs with CSV export Alert System: get notified before limits hit ...and something bigger 👀
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Without price limits, agents break. GATE is the spending guardrail that keeps them in control.
toly 🇺🇸 (@toly) profile picturetoly 🇺🇸
@tolyApr 5
I think the economics of AI are going to flip. Plans will cost $1000/mo+. I don’t think there is an upper bound price limit on quality/second
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The agent economy stack is forming: Protocol layer: @mpp Payment rails: @tempo, @solana Control layer: MPPGate We're not competing with any of these. We're the guardrail layer that makes all of them safer. If you're building agents, you need a control layer. Teams are working on our next capability network: @StellarOrg
Stellar (@StellarOrg) profile pictureStellar
@StellarOrgApr 3
Stellar now supports the Machine Payments Protocol (MPP), the open standard by @stripe and @tempo that lets AI agents pay for services over HTTP. The MPP SDK handles any stablecoin on Stellar with server-sponsored fees so agents never need gas tokens. developers.stellar.org/docs/…
Image from Stellar (@StellarOrg)
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The 402 Payment Required HTTP status was reserved in 1997. Unused for almost 30 years. Nobody needed it. Then AI agents arrived — software that needs to pay for things on its own. APIs, tools, services, compute. @mpp activated 402. Now when a server needs payment, it returns 402, and the agent pays via MPP. MPPGate sits in that flow. Before the agent pays, we check: does it have budget left? If yes, pay. If no, stop. One HTTP status code. 30 years of waiting. Now it makes sense.
Machine Payments Protocol (@mpp) profile pictureMachine Payments Protocol
@mppMar 18
Introducing the Machine Payments Protocol: an open standard for machine payments co-authored by @tempo and @stripe MPP is designed to be extensible and payment-method agnostic, already supporting stablecoins, cards, and more.
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Your AI agent has a wallet. No expiry. No transaction cap. No spend threshold. Most teams are so focused on what their agent can do — they never ask what happens when it keeps making financial decisions at 3am, long after the job is done. That's not autonomy. That's a liability. We just shipped Auto Stop on MPP Gate. Built on @mpp and @tempo
Image from GATE (@mppgate)
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Auto Stop lets you set conditions that disable your agent automatically: → Spend threshold — stop at X% of budget → Expiry date — stop after a specific date → Max transactions — stop after N transactions Any condition hits → agent disables itself.
Image from GATE (@mppgate)
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Machine Payments Protocol is one of the fastest payment rails for agent-to-agent transactions, powered by its session-based architecture. And GATE acts as the payment guardrail — giving your agent control over how it spends. Still early. Listed on agentpaymentsstack.com/mppga….
MPPGate — Agent Payments Stack

MPPGate — Agent Payments Stack

Per-agent spending controls built on MPP (Stripe + Tempo) — budgets, spend limits, and auto-stop for autonomous agents.

agentpaymentsstack.com
Tempo (@tempo) profile pictureTempo
@tempoApr 2
Agents need to transact at speeds that today's payment rails can't support. The Machine Payments Protocol (@mpp) fixes this with sessions: unlimited micropayments collapsed into two onchain transactions. One to open, one to settle. Learn more: tempo.xyz/blog/mpp-sessions/…
MPP Sessions: Web-Scale Payments for AI Agents

MPP Sessions: Web-Scale Payments for AI Agents

MPP Sessions let AI agents pay for services in real time with just two onchain transactions. Learn how sessions use escrow, offchain vouchers, and onchain settlement to scale machine payments.

tempo.xyz
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Stages of building with AI agents: 1. "This is amazing, it can do everything" 2. "Wait, it just called that API 400 times" 3. "Why is my bill $180" 4. "I need spending controls" 5. "I found MPPGate" If you're at stage 3, we built something for you.
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"Brex for AI agents" — here's what we mean by that. Brex gave startups corporate cards with: - Per-employee spending limits - Real-time tracking - Auto-decline when over budget MPPGate does the same, but for AI agents: - Per-agent spending limits - Real-time budget tracking - Auto-stop when over budget Your agents are your employees now. They need the same financial controls humans get.
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