# Services from license-intel.x402tookit.com on Zero

> license-intel.x402tookit.com serves 9 paid API services for AI agents, indexed by Zero. Each is callable per call with payment handled by Zero.

Canonical page: https://www.zero.xyz/host/license-intel.x402tookit.com
Live health (JSON, refreshed every minute): https://www.zero.xyz/host/license-intel.x402tookit.com/health.json

## Services

- [License Intel – License Obligations Checklist](https://www.zero.xyz/c/license-intel-license-obligations-checklist-4635a686/llms.txt): $0.02/call via x402. Returns a plain-language checklist for a given SPDX license: what you may do, what you must do when distributing, and what is disclaimed.
- [License Intel - Compare Two SPDX Licenses Side by Side](https://www.zero.xyz/c/license-intel-compare-two-spdx-licenses-side-by-side-72cbb20d/llms.txt): $0.02/call via x402. Compares two open-source licenses by SPDX ID, returning what each permits, requires, and disclaims, plus which is stricter.
- [License Intel – SPDX License Exception Lookup](https://www.zero.xyz/c/license-intel-spdx-license-exception-lookup-ef8ed2a0/llms.txt): $0.02/call via x402. Look up a single SPDX license exception by its ID, returning its canonical name, reference links, and deprecated status.
- [License Intel – SPDX License Expression Validator](https://www.zero.xyz/c/license-intel-spdx-license-expression-validator-9858961c/llms.txt): $0.03/call via x402. Validates an SPDX license expression (with AND, OR, WITH, + operators) for syntax correctness, known license IDs, known exceptions, and deprecated identifiers.
- [License Intel – License Family Classifier](https://www.zero.xyz/c/license-intel-license-family-classifier-4b11d2e0/llms.txt): $0.02/call via x402. Classifies up to 30 SPDX license IDs by copyleft strength family: public-domain-like, permissive, weak copyleft, strong copyleft, or network copyleft.
- [License Intel – SPDX License Lookup](https://www.zero.xyz/c/license-intel-spdx-license-lookup-6552e12c/llms.txt): $0.02/call via x402. Returns full metadata for a given SPDX license ID: official name, OSI/FSF status, deprecation flag, reference links, and plain-language permissions, conditions, and limitations.
- [License Intel – SPDX License Search](https://www.zero.xyz/c/license-intel-spdx-license-search-01a24223/llms.txt): $0.02/call via x402. Search the SPDX license list by name or ID fragment (e.g. 'gpl', 'creative commons') with OSI-approval and deprecation flags.
- [License Intel – SPDX Deprecated Check](https://www.zero.xyz/c/license-intel-spdx-deprecated-check-517c3377/llms.txt): $0.02/call via x402. Check up to 50 SPDX license IDs to determine whether each is current, deprecated, or unknown, and get suggested modern GNU -only/-or-later equivalents.
- [License Intel – List OSI-Approved SPDX Licenses](https://www.zero.xyz/c/license-intel-list-osi-approved-spdx-licenses-b86385b6/llms.txt): $0.02/call via x402. Returns the current list of OSI-approved SPDX licenses, with optional filtering by FSF-libre status or license ID prefix.

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

- [Zero catalog index](https://www.zero.xyz/llms.txt)