mpp safe_built on solana · 0% fees
live on mainnet6PDgTT…tNQ2

every agent
has a safe.

on-chain spending rules. sub-accounts. whitelist. multi-sig. trustless — no server, no middleman.

0%fees
∞agents
<1ssettlement
100%on-chain
S
main safe7xK...f9m
● live
safe balance
$12,847.50
R
@research_agent2m
gpt-4o · 1.2k tokens
$12.50budget
T
@trading_bot5m
sol/usdc price feed
$45.00whitelist
C
@content_writer8m
claude-4 · 800 tokens
$6.25time-lock
D
@data_scraper12m
3 urls queued
$2.50auto

on-chain rules.

no servers. no middlemen. rules live in solana programs and can't be bypassed.

sub-accounts

one safe, many agents.

each agent gets an isolated sub-account with its own budget. create, pause, close — anytime.

spending rules

max per tx. max per day.

hard limits enforced on-chain by the solana program. can't be bypassed.

whitelist

approved services only.

agents can only pay whitelisted addresses. everything else is rejected.

time rules

when they can spend.

set time windows — 09:00-17:00 UTC, no weekends. enforced on-chain.

auto top-up

never run dry.

minimum balance triggers auto-refill from the main pool. zero downtime.

multi-sig

team approvals.

large payments need multiple signatures. 2-of-3, 3-of-5. defined on-chain.

fees
0%

zero fees. every tx verifiable on solana.

get started →

three steps. under a minute.

deploy, configure, and let your agents transact — all on-chain, all verifiable.

01step 01

deploy safe

create a safe on solana. a program-derived address holds all funds.

02step 02

set rules

configure limits, whitelist, time windows. all stored as on-chain account data.

03step 03

agents pay

agents transact through the safe. rules checked, payment settled, logged on-chain.

why mpp safe?

othersmpp safe
✕server-side rules
✓on-chain smart contract
✕trust their server
✓trustless & verifiable
✕wallet per agent
✓one safe, sub-accounts
✕server dies = no control
✓rules run even offline
✕no whitelist
✓on-chain whitelist
✕no time rules
✓solana clock enforcement