UCP Schema
EcosystemVerifiedOfficial JSON schema definitions for UCP protocol messages and payloads.
This is an open-source developer tool for building UCP integrations. View on GitHub →
The official UCP schema repository contains JSON schema definitions for all UCP protocol messages, enabling runtime validation of payloads. Maintained by the Universal Commerce Protocol organization.
Why This Matters for UCP
The UCP schema definitions provide machine-readable validation for all protocol messages.
UCP Capabilities
UCP Endpoint
Ecosystem — Endpoint not yet publicly available
Integration Example
# Install the official Rust CLI from crates.io
cargo install ucp-schema
# Validate a self-describing response and lint local schemas
ucp-schema validate response.json --op read
ucp-schema lint schemas/Category
Developer ToolsUCP Status
EcosystemTags
Pricing
free
Related Guides
Reviews
★★★★★4.6 (5 reviews)These are illustrative examples to show what reviews will look like. Submit your own experience below.
E. Garcia
Senior Engineer · Jan 30, 2026
Solid tool. The test suite coverage is excellent. I found one edge case in the payment token validation that the maintainers fixed within 48 hours.
M. Fischer
DevTools Engineer · Mar 8, 2026
Integrated in an afternoon. The discovery endpoint just worked. The CLI flags are well-designed — composable, no magic defaults.
Y. Okonkwo
API Engineer · Feb 25, 2026
Good tool for UCP conformance testing. Runs fast and the output is easy to parse in CI. Would like a JSON output mode — currently only text.
B. Thompson
Staff Engineer · Mar 5, 2026
This saved us days of work. Dropped it into our pipeline and had UCP endpoint validation running in about 20 minutes. Documentation is accurate.
K. Park
Backend Developer · Feb 18, 2026
The best developer tool in this category. TypeScript types are correct and complete. Error messages actually tell you what went wrong.
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