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ProwlFi

by ProwlFi · Updated 8 days ago

The world's first privacy layer for AI agents on Solana — stealth addresses + x402 payments. Every payment lands at a fresh, unlinkable address.

In the AI payments ecosystem

ProwlFi is an established TypeScript project in the AI payments / x402 ecosystem, focused on x402, Agent, Blockchain, Payment. It currently has 487 GitHub stars and 7 forks, and sits alongside related tools like x402-payments-mcp, AgenticDeFi-Trainer, AgenticDeFi-Trainer, AgenticDeFi-Trainer, AgenticDeFi-Trainer, AgenticDeFi-Trainer.

Our take

ProwlFi is a privacy layer for AI agents on Solana: stealth addresses plus x402 payments, so every payment an agent makes lands at a fresh, unlinkable address.

Why this matters: agents that pay from a static address leak their entire economic graph — every supplier, every price, every counterparty — on a public ledger. For a trading or procurement agent that is competitively sensitive information. Stealth addressing is the standard answer from the privacy world, and ProwlFi is first to wire it into the x402 flow on Solana.

Best for: agents whose payment patterns are themselves a secret worth protecting.

README.md View on GitHub →

AgentOS

AgentOS is a production-grade runtime for autonomous AI agents. It handles the full lifecycle of agent execution — task planning, memory management, tool orchestration, multi-agent coordination, and observability — in a single coherent framework designed to run unattended at scale.


What it does

AgentOS takes a goal and runs it to completion. It breaks goals into tasks, assigns tasks to the right agents, routes tool calls, manages context across long sessions, and retries intelligently when things fail. When multiple agents collaborate, AgentOS coordinates them through a typed message bus with guaranteed delivery.

The runtime targets sub-100ms task dispatch latency and has been load-tested at 100 concurrent agents on commodity hardware.


Core concepts

Agent — an autonomous executor that takes a goal, builds a plan, and carries it out using available tools. Agents are stateless between sessions; all state lives in the memory layer.

Planner — decomposes a goal into a dependency graph of subtasks. Supports recursive decomposition, parallel branches, and rollback on failure.

Memory — three-tier: working (in-process), episodic (session-scoped SQLite), semantic (vector index with cosine similarity). Compression fires automatically on context overflow.

Tools — sandboxed, typed, versioned. Browser, code interpreter, file system, search, and a plugin system for custom tools. All calls are retried with exponential backoff and logged to the audit trail.

Coordinator — manages agent pools, distributes tasks, handles agent failure, and scales pool size based on queue depth.


Performance

Load test results (100 concurrent agents, 10-tool task chain):

p50 task dispatch     18ms
p95 task dispatch     74ms
p99 task dispatch     98ms
memory retrieval p99   4ms  (10k entries)
tool call overhead     2ms
throughput            840 tasks/sec

Quickstart

pip install agentos
agentos init my-agent
cd my-agent
agentos run --goal "summarise the last 7 days of HN and save to report.md"

Architecture

goal
 |
 v
Planner  --[task graph]-->  Executor
                               |
                    +----------+----------+
                    |          |          |
                  Tool-1    Tool-2    Sub-agent
                    |                    |
                    +-----> Memory <------+
                               |
                          Coordinator

Repository layout

agentos/
  core/        agent, runtime, planner, executor, memory, config
  tools/       browser, code, filesystem, search, base
  plugins/     loader, sandboxing, dependency resolution
  multi/       coordinator, message bus
docs/          architecture, quickstart, API reference
examples/      simple agent, multi-agent workflow
tests/         unit, integration, property-based, load

License

MIT

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