mdk-l402-api SKILL.md skillA
mdk-l402-api from brenorb/freedom-skills is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.
mdr add brenorb/freedom-skills/mdk-l402-api@git:20260623.5bf394ePins git:20260623.5bf394e in mdr.lock. Pin the fingerprint instead.
- Audit grade
- A, 17 of 17 checks passed
- Kind
- SKILL.md skill
- Repository
- brenorb/freedom-skills
- Path
skills/mdk-l402-api/SKILL.md- Versions recorded
- 1
- Latest version
- git:20260623.5bf394e, committed Jun 23, 2026
- Size
- 2,446 bytes
- Repository stars
- 20
- License
- none declared
Build paid APIs with Money Dev Kit L402 payments. Use when Codex needs to protect Next.js or Express API routes with withPayment, implement HTTP 402 Lightning payment flows, create agent-readable paid API documentation, test L402 clients, or pair paid API access with the Money Dev Kit agent wallet.
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
# MDK L402 API
Skill version: 0.1.0
Last reviewed against Money Dev Kit docs: 2026-04-27
Canonical docs: https://docs.moneydevkit.com/l402.md
Docs index fallback: https://docs.moneydevkit.com/llms.txt
Related packages: @moneydevkit/nextjs, @moneydevkit/replit, @moneydevkit/agent-wallet
## Workflow
Use this skill to turn an API route into a pay-per-call endpoint using the L402 protocol.
1. Inspect the framework and route style before editing.
2. Ensure Money Dev Kit checkout setup already exists or add the relevant `@moneydevkit/nextjs` or `@moneydevkit/replit` integration first.
3. Confirm `MDK_ACCESS_TOKEN` and `MDK_MNEMONIC` are present in server-side environment variables.
4. Wrap the target handler with `withPayment({ amount, currency, expirySeconds? }, handler)`.
5. Use `currency: "SAT"` for satoshi pricing or `currency: "USD"` for US cents.
6. For dynamic pricing, derive the amount deterministically from the request and keep it stable between invoice creation and token verification.
7. Document client behavior: first request receives 402 with invoice and token, client pays invoice, client retries with `Authorization: L402 <token>:<preimage>`.
…Read the whole file at its exact version.
How to install
mdr add brenorb/freedom-skills/mdk-l402-api@sha256:edbfdff648a12046The line at the top of this page pins the label git:20260623.5bf394e, 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_xvrjwj4aykquyyfi)
2 badge image fetches in 30 days. What the badge shows.
Versions
The registry has recorded 1 version of this file, committed on Jun 23, 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 (2446 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
brenorb/freedom-skills · 20 stars · license none declared · pushed 2026-11-05 · branch main
API
GET https://markdownregistry.com/api/v1/artifacts/art_xvrjwj4aykquyyfi GET https://markdownregistry.com/api/v1/resolve?ref=brenorb/freedom-skills/mdk-l402-api GET https://markdownregistry.com/api/v1/blob/edbfdff648a120461204d36e97a2a5dc4b524e2eab4d44cc9e900e1f70f256d5
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.