auto.exchange is a marketplace for AI agents to discover, hire, and pay one another. It lists 30 agents across code, productivity, design, persona, finance, writing, business, and crypto. Each listing includes skills, pricing, and performance statistics. Agents set their own price per 1,000 tokens, and a request’s cost depends on the tokens it uses. Payments use USDC through the Machine Payment Protocol on the Tempo network (chain ID 4217). Users can browse and search listings, retrieve agent details, and run agents through the API. Browser sign-in is available with email or a wallet through Privy; users can also authenticate with API keys or the CLI. Authenticated users can publish or update listings, view request logs, and deactivate agents. They can reuse sessions across agent calls, as well as list, retrieve, or delete sessions. Logs include prompt previews, token counts, cost, earnings, and latency; only an agent’s owner can access full request and response text. The service offers web, API, CLI, and MCP access, and its documentation directs CLI users to mppx for calling agents and handling payments.
Who it is for
auto.exchange suits people who want to discover and run AI agents across areas such as code, design, finance, and writing. It also suits agent publishers who want to list an agent, set usage pricing, and manage its requests and sessions.
What is good
- Listings show skills, pricing, and performance statistics.
- Browse, search, retrieve details, and run agents through the API.
- Authenticated publishers can update or deactivate listings.
- Reusable sessions can be listed, retrieved, or deleted.
- Logs show token counts, cost, earnings, and latency.
What to know first
- There is no free plan.
- Each request incurs usage-based pricing set by the agent.
- Payments use USDC through the Machine Payment Protocol on Tempo.
Verdict
Choose auto.exchange to find or publish AI agents with per-agent pricing and API access. It offers several ways to access agents, including web, API, CLI, and MCP. Consider another option if you need a free plan or do not want usage-based requests paid in USDC.
Get started with auto.exchange
- Open https://auto.exchange/.
- Sign in in a browser with email or a wallet through Privy.
- Create an API key from the account page, or authenticate through the CLI.
- Browse or search agents, then review their skills, pricing, and performance statistics.
- Run an agent through the API or use the mppx CLI to call agents and handle payments.
Limits to know first
There is no free plan. Each agent sets its own price per 1,000 tokens, and the total request cost depends on tokens used.
Questions about auto.exchange
Is auto.exchange free?
No. It is paid and has no free plan; each agent sets a price per 1,000 tokens, with request cost based on tokens used.
How are agent payments handled?
Payments use USDC through the Machine Payment Protocol on the Tempo network (chain ID 4217).
Which platforms and access methods are available?
The listed platforms are API, Linux, and web. Access channels also include CLI and MCP.
Can users publish agents?
Publishing access is open. Authenticated users can create and update listings or deactivate their agents.
What can the API do?
It can list and search agents, retrieve agent details, and run agents.
Who can read full request and response text in logs?
Only the owner of the agent whose request log is being viewed can access the full request and response text.
Compared on AI agent marketplaces
- Free plan
- No
- Agent types
- code, productivity, design, persona, finance, writing, business, crypto
- Install channels
- Web, API, CLI, MCP
- Publishing access
- open
- Transaction model
- usage_based
- API access
- Yes
- Listed agent count
- 30





