hexanon-x402-apis SKILL.md skillA
hexanon-x402-apis from davepoon/buildwithclaude is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add davepoon/buildwithclaude/hexanon-x402-apis@git:20260802.13c9cb5Pins git:20260802.13c9cb5 in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- davepoon/buildwithclaude
- Path
plugins/all-skills/skills/hexanon-x402-apis/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260802.13c9cb5, committed Aug 2, 2026
- Size
- 7,841 bytes
- Repository stars
- 3,724
- License
- MIT
Pay-per-call access to the Hexanon family of eight x402 APIs for autonomous agents — no signup, no API keys, USDC on Base. Covers US/Canada vehicle & VIN intelligence (Vindex), e-commerce demand signals (Demandex), Polymarket whale intelligence (OrcaTrace), GitHub trending-repo digests (gitBeacon), narrative intelligence (Signalis), Moltbook community digests (Moltalyzer), x402 seller conformance scanning (x402lint), and Polymarket weather-market signals (Isocast).
Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.
What the file says
# Hexanon x402 APIs Eight independently operated, pay-per-call HTTP APIs that an agent can call directly with USDC micropayments over [x402](https://x402.org) on Base — no accounts, no API keys. Probe any paid route unauthenticated to get a machine-readable HTTP 402 challenge, pay with an x402 client, and retry. Responses are only charged when the work succeeds (`charged: true`). All endpoint guidance an agent needs is inlined below (snapshot: 2026-08-01). Each origin also publishes a machine-readable `openapi.json` as its reference spec if you need parameter details. ## When to Use This Skill - Vehicle / VIN due diligence for a US or Canada used car (decode, recalls, known issues, pre-purchase report) — **Vindex**, `api.vindexapi.dev` - Finding market gaps and product-demand signals — what buyers want but can't find — **Demandex**, `api.demandex.dev` - Polymarket intelligence: whale positioning, signals, resolving-soon markets, track records — **OrcaTrace**, `api.orcatrace.dev` - Developer-ecosystem intelligence: trending GitHub repositories and momentum — **gitBeacon**, `api.gitbeacon.dev` …
Read the whole file at its exact version.
How to install
mdr add davepoon/buildwithclaude/hexanon-x402-apis@sha256:2f816ffb348cba37The line at the top of this page pins the label git:20260802.13c9cb5, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.
[](https://markdownregistry.com/a/art_2i4emufjsg6jnxoh)
6 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Aug 2, 2026.
Audit of the latest version
- pass: Frontmatter block present
- pass: Frontmatter declares a name
- pass: Frontmatter declares a description
- pass: Size between 200 bytes and 200 KB (7841 bytes)
- pass: No zero-width or bidi control characters
- pass: No instruction hidden inside an HTML comment
- pass: No link to an exfiltration or paste host
- pass: No credential-shaped string
- pass: No instruction to send local credentials anywhere
- pass: No text hidden with inline styles
- pass: No prompt-injection phrasing
- pass: No curl or wget piped into a shell
- pass: No recursive delete of root, home or parent
- pass: No instruction to read or print local credentials
- pass: No base64 blob over 200 characters
- pass: No link to a raw IP address
- pass: No script tag
Source
davepoon/buildwithclaude · 3,724 stars · license MIT · pushed 2026-11-05 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_2i4emufjsg6jnxoh GET https://markdownregistry.com/api/v1/resolve?ref=davepoon/buildwithclaude/hexanon-x402-apis GET https://markdownregistry.com/api/v1/blob/2f816ffb348cba37c91151660e91f459f4eef6a262775046b148d284395453d2
Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.
Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.