How do I install the Planetexpress Marketplace skill?

Run npx skillmds@latest add dvcrn/planetexpress-marketplace in your terminal (requires Node.js), paste this page's agent-chat prompt into Claude, Cursor, or any MCP-connected agent, or download the SKILL.md file and copy it into your agent's skills directory.

Is Planetexpress Marketplace safe to use?

This skill has not completed SkillMD's automated safety review yet. Independent scanners report: SkillSpector: PASS, Skill Scanner: PASS. Capability flags: makes network calls. SkillMD never runs a skill's scripts for you; review the SKILL.md before installing.

Which AI agents work with Planetexpress Marketplace?

This skill is tagged as working with Claude Code, Claude.ai, OpenAI Codex. SKILL.md is an open format, so most agents that read a skills directory can load it too.

Is Planetexpress Marketplace free to use?

Yes. Installing skills from SkillMD is free, and the skill stays under its author's original license.

Who published Planetexpress Marketplace?

dvcrn (@dvcrn) published this skill. Their other Agent Skills are listed on their SkillMD profile.

Planetexpress Marketplace by dvcrn — Agent Skill

Name: Planetexpress Marketplace
Rating: 4.2 (5 reviews)
Author: dvcrn

File contents

Planet Express Marketplace — Decentralized File Commerce

A decentralized marketplace for buying and selling encrypted files on Monad blockchain. Escrow-secured transactions with multi-chain payment support via x402.

Quick Reference

API Base: https://dropclaw.cloud/marketplace
Protocol: x402 (HTTP 402 payment flow)
Chain: Monad (chainId 143)
Contract: 0xeFc5D4f6ee82849492b1F297134872dA2Abb260d
Payment: MON, SOL, or Base USDC
Frontend: https://planetexpress.dropclaw.cloud

Endpoints

Browse Listings (Free)

GET /marketplace/listings

Returns all active marketplace listings.

Get Listing Detail (Free)

GET /marketplace/listing/{id}

Returns listing detail with pricing in MON/SOL/USDC.

Purchase a File (x402 Payment)

POST /marketplace/purchase
Content-Type: application/json

{
  "listingId": 123,
  "buyerAddress": "0x..."  // optional
}

Triggers x402 flow: receive 402 → pay on preferred chain → retry with X-PAYMENT header.

List a File for Sale ($30 Listing Fee)

POST /marketplace/list
Content-Type: application/json

{
  "fileId": "dropclaw-file-id",
  "title": "My File",
  "description": "What this file contains",
  "skillFileUri": "ipfs://Qm...",
  "keyHash": "0x...",
  "price": "0.5"
}

Requires x402 payment of $30 listing fee.

Purchase Flow

GET /marketplace/listings to browse available files
GET /marketplace/listing/{id} for detail + pricing
POST /marketplace/purchase with { listingId } — receive 402 with payment options
Send payment on your preferred chain (MON, SOL, or USDC on Base)
Retry POST with X-PAYMENT: base64(JSON({ network, txHash }))
Receive the encrypted file + skill file for decryption

Listing Flow

First store your file via DropClaw (POST /vault/store) — this gives you a fileId
POST /marketplace/list with file details and price — triggers $30 listing fee via x402
Pay the listing fee on any supported chain
Your file appears in the marketplace for others to purchase

Fees

Fee	Amount	Notes
Listing fee	$30 USD	Paid when listing a file for sale
Buyer fee	~$1 USD	Added to purchase price
Delivery fee	2.5%	Of listing price
FARNS buyback	50%	Half of all protocol fees buy $FARNS

Payment Chains

Monad (eip155:143) — MON native, direct contract interaction
Solana (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp) — SOL, facilitated
Base (eip155:8453) — USDC, facilitated

Frontend

The marketplace has a fully decentralized frontend hosted on IPFS:

Web: https://planetexpress.dropclaw.cloud
IPNS: k51qzi5uqu5di1vh2ybr8qipy8mod859fjb0i548af7qyopyctlv7zpjblukee

Install SDK: npm i dropclaw or pip install dropclaw

---name: planetexpress-marketplacedescription: Decentralized file marketplace on Monad blockchain — buy, sell, and browse encrypted files with x402---# Planet Express Marketplace — Decentralized File CommerceA decentralized marketplace for buying and selling encrypted files on Monad blockchain. Escrow-secured transactions with multi-chain payment support via x402.## Quick Reference- **API Base**: `https://dropclaw.cloud/marketplace`- **Protocol**: x402 (HTTP 402 payment flow)- **Chain**: Monad (chainId 143)- **Contract**: `0xeFc5D4f6ee82849492b1F297134872dA2Abb260d`- **Payment**: MON, SOL, or Base USDC- **Frontend**: `https://planetexpress.dropclaw.cloud`## Endpoints### Browse Listings (Free)```GET /marketplace/listings```Returns all active marketplace listings.### Get Listing Detail (Free)```GET /marketplace/listing/{id}```Returns listing detail with pricing in MON/SOL/USDC.### Purchase a File (x402 Payment)```POST /marketplace/purchaseContent-Type: application/json{ "listingId": 123, "buyerAddress": "0x..." // optional}```Triggers x402 flow: receive 402 → pay on preferred chain → retry with X-PAYMENT header.### List a File for Sale ($30 Listing Fee)```POST /marketplace/listContent-Type: application/json{ "fileId": "dropclaw-file-id", "title": "My File", "description": "What this file contains", "skillFileUri": "ipfs://Qm...", "keyHash": "0x...", "price": "0.5"}```Requires x402 payment of $30 listing fee.## Purchase Flow1. `GET /marketplace/listings` to browse available files2. `GET /marketplace/listing/{id}` for detail + pricing3. `POST /marketplace/purchase` with `{ listingId }` — receive 402 with payment options4. Send payment on your preferred chain (MON, SOL, or USDC on Base)5. Retry POST with `X-PAYMENT: base64(JSON({ network, txHash }))`6. Receive the encrypted file + skill file for decryption## Listing Flow1. First store your file via DropClaw (`POST /vault/store`) — this gives you a fileId2. `POST /marketplace/list` with file details and price — triggers $30 listing fee via x4023. Pay the listing fee on any supported chain4. Your file appears in the marketplace for others to purchase## Fees| Fee | Amount | Notes ||-----|--------|-------|| Listing fee | $30 USD | Paid when listing a file for sale || Buyer fee | ~$1 USD | Added to purchase price || Delivery fee | 2.5% | Of listing price || FARNS buyback | 50% | Half of all protocol fees buy $FARNS |## Payment Chains- **Monad** (eip155:143) — MON native, direct contract interaction- **Solana** (solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp) — SOL, facilitated- **Base** (eip155:8453) — USDC, facilitated## FrontendThe marketplace has a fully decentralized frontend hosted on IPFS:- **Web**: `https://planetexpress.dropclaw.cloud`- **IPNS**: `k51qzi5uqu5di1vh2ybr8qipy8mod859fjb0i548af7qyopyctlv7zpjblukee`Install SDK: `npm i dropclaw` or `pip install dropclaw`

Frequently asked questions

Planetexpress Marketplace