Real Skill packageSource verifiedClawHub registry

x402-api-builder

Build your own pay-per-call API with the x402 standard: FastAPI + payment manifest + API keys + MCP wrapper. Sell your data/services per call (USDC). Template with ON-CHAIN payment verification (secure-by-default).

Identity and source

Publisher attributionNorthcap Groupregistry owner unverified by skillvetai
Functional categoryDocuments, PDF & Presentationsautomatically inferred · 58% rule confidence
Package forminstruction with code7 recorded files
Canonical sourceClawHub registryclawhub:northcap-group:x402-api-builder
Open canonical source ↗

Platform declarations

These states come from the source or distribution context. None of the entries below are SkillVetAI compatibility test results.

OpenClawnative officialProvenance: registry distribution

Independent structural checks

These checks parse the fixed package against dated platform rules. They do not execute the Skill or verify task behavior.

Claude Codepasses structure
Checker 0.1.0 · agent-skills-2026-08-13+claude-code-docs-2026-08-13 · 8/22/2026.claude/skills/x402-api-builder

Runtime, accounts, dependencies, permissions, network behavior and task quality remain untested.

OpenAI Codexpasses structure
Checker 0.1.0 · agent-skills-2026-08-13+codex-docs-2026-08-13 · 8/22/2026.agents/skills/x402-api-builder

Runtime, accounts, dependencies, permissions, network behavior and task quality remain untested.

OpenClawpasses structure
Checker 0.1.0 · agent-skills-2026-08-13+openclaw-docs-2026-08-13 · 8/22/2026skills/x402-api-builder

Runtime, accounts, dependencies, permissions, network behavior and task quality remain untested.

Installation and inspection

This command is recorded from the source ecosystem and resolves the registry's latest release. The fixed release shown on this page should be inspected before adoption.

clawhub install @northcap-group/x402-api-builder
clawhub inspect @northcap-group/x402-api-builder --version 1.0.13

Security evidence

SkillVetAI static result: no findings detected

This automated, non-executing scan is bound to this release hash. It is not a safety certification and may contain false positives or false negatives.

Status
completed
Coverage
full text content
Files
5 / 7 inspected as text
Checked
8/22/2026, 1:51:36 AM
Scanner
0.1.3
Policy
1.0.3
4 inferred permission indicators
  • network access — automatically inferred
  • filesystem read — automatically inferred
  • filesystem write — automatically inferred
  • credential access — automatically inferred
1 dependency and API indicators
  • api: clawhub.ai
External clawhub result: clean

This is registry-supplied evidence for the recorded release, not an independent SkillVetAI scan. Check the canonical source for the full report, scanner versions, scope, and current moderation state.

Evidence checked
8/21/2026, 2:27:48 PM
Release binding
Matches this record
  • vt: clean
  • skillspector: suspicious
  • llm: clean

Recorded files

The catalog stores hashes and an inventory summary for change detection. It does not republish the package contents.

Package content hashsha256:4efe93dc0146cebc17c47fc4cf811f90cc3e7f84f024270886ed13d649f81101
Show up to 7 recorded paths
  • scripts/__pycache__/client.cpython-312.pyc
  • scripts/__pycache__/mcp_server.cpython-312.pyc
  • scripts/client.py
  • scripts/mcp_server.py
  • scripts/server.py
  • skill-card.md
  • SKILL.md

Source changelog

21/8: Sikkerhedsfix — X402_BASE env-override, verificeret TLS, ALLOW_HTTP opt-in, ingen hardcoded adresse

Release security diff

mediumCompared fixed releases 1.0.12 and 1.0.13; 0 finding and 0 permission indicators were added.

Both fixed releases were scanned under the current scanner and policy, so finding, permission and dependency changes are available.

Change reasons and limitations
  • content hash changed

Observed release history

These older immutable releases were observed by prior successful syncs. They remain recorded when a newer release becomes current.

1.0.128/21/2026sha256:974ce1bc0c2703b61e60012b7f8e86ca7fc83a2290b2bb8f26ca39b14a7067f6
1.0.118/20/2026sha256:8423da9e8d9f1bc39b84c8f7cf118855f3b30780606583dee1d68f13d9d73a65