Free
Free
The protocol, SDK, and documentation are open source under MIT with no listed subscription.
- Access
- The protocol, SDK, and documentation are open source under MIT with no listed subscription.
agent protocol
● Identity checkedDeveloper Tools · Vendor site 2026-10-04
Agent Protocol is an open API specification and SDK ecosystem for interacting with autonomous AI agents through a common REST interface. Maintained by AGI, Inc., it defines tasks, steps, and artifacts so benchmarks and devtools can talk to agents built in any framework without custom glue code.
- Category
- Developer Tools
- Free access
- The protocol, SDK, and documentation are open source under MIT with no listed subscription.
- API access
- OpenAPI-defined REST endpoints such as task creation and step execution are the core Agent Protocol interface.
Is agent protocol right for you?
A good fit for
Agent builders and tool authors who need a standardized HTTP surface to run, benchmark, and integrate autonomous agents.
Before you choose
Agent Protocol is a spec and libraries, not a hosted SaaS; there are no monthly product plans on the official docs site.
Standard agent HTTP API
Agent Protocol publishes OpenAPI routes for tasks and steps so clients, benchmarks, and agents share one REST contract regardless of underlying LLM framework.
What it can do
Features & capabilities
Unknown is different from unavailable. Each fact carries its own evidence.
| Capability | Value | Evidence | Checked |
|---|---|---|---|
| Common interface | GitHub README summary calls Agent Protocol a common interface for interacting with AI agents. | Facts sourced | 2026-10-04 |
| REST tasks | Documentation highlights POST /ap/v1/agent/tasks and step endpoints defined in OpenAPI. | Facts sourced | 2026-10-04 |
| Tech agnostic | Project states the protocol works with any agent framework because it is stack agnostic. | Facts sourced | 2026-10-04 |
Understand the total cost
agent protocol pricing & plans
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Frequently asked questions
What is agent protocol used for?
Agent Protocol is an open API specification and SDK ecosystem for interacting with autonomous AI agents through a common REST interface. Maintained by AGI, Inc., it defines tasks, steps, and artifacts so benchmarks and devtools can talk to agents built in any framework without custom glue code.
Does agent protocol have a free plan?
The protocol, SDK, and documentation are open source under MIT with no listed subscription.. This record lists ongoing free access; check the plan limits before starting.
How much does agent protocol cost?
No paid monthly price is listed; this record treats the product as free to start. See the plan cards for entitlements, billing commitments and seat minimums.
Can I use agent protocol through an API?
OpenAPI-defined REST endpoints such as task creation and step execution are the core Agent Protocol interface.. API access and subscription access may have different terms; consult the linked sources.
What should I check before choosing it?
Agent Protocol is a spec and libraries, not a hosted SaaS; there are no monthly product plans on the official docs site.
Price history
No retained pricing changes yet. A current price alone does not establish a historical trend.
How this profile is supported
Identity and profile
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.