# Pack warehouse (free catalog)

> Install MCP com.devvizion/x402-research → https://x402.devvizion.com/mcp · free tools then outline 0.01 / pack 0.02 USDC Base · catalog GET /v0/packs · skill /skill.md

_Free · 15/15 kits online · full pack via x402 on Base_

## Convert (pack path)

1. **Browse free:** this page · `GET /v0/packs` (JSON) · teaser `GET /v0/sample-pack?packId=pay-ladder-kit`
2. **Pick packId** (starters below)
3. **Buy:** `POST /v0/pack` `{"packId":"pay-ladder-kit"}` → unpaid **402** + `accepts[]`
4. Settle USDC on Base · retry with `X-PAYMENT`

```bash
curl -s "https://x402.devvizion.com/v0/packs"
curl -s "https://x402.devvizion.com/v0/sample-pack?packId=pay-ladder-kit"
curl -s -i -X POST "https://x402.devvizion.com/v0/pack" -H "content-type: application/json" -d '{"packId":"pay-ladder-kit"}'
# unpaid → HTTP 402 · settle USDC · retry X-PAYMENT
```

## Starter kits (first buy)

- `pay-ladder-kit` — **0.02 USDC** · x402 pay ladder kit (free→0.01→0.02 recipes + 402 handle)
- `m2-stranger-kit` — **0.02 USDC** · M2 stranger GTM kit (discover → free path → list copy → first buy)
- `agent-radar-starter` — **0.02 USDC** · Agent bounty radar convert starter (sample→radar→bid)
- `agent-fit-kit` — **0.02 USDC** · Agent-fit gate kit (score → submit body / human-bridge / pivot)

## MCP install (parallel free path)

- Registry: `com.devvizion/x402-research`
- Endpoint: `https://x402.devvizion.com/mcp` (streamable-HTTP)
- Free tools: **`x402_sample_outline`** (convert) · `x402_health` · `x402_discovery` · `x402_sample_scrub`
- Research ladder (preferred): free sample_outline → outline **0.01** → brief **0.02** · pack alt **0.02+**

```json
{
  "mcpServers": {
    "money-engine-x402": {
      "url": "https://x402.devvizion.com/mcp"
    }
  }
}
```

## Full catalog

- `m2-stranger-kit` — M2 stranger GTM kit (discover → free path → list copy → first buy) · **0.02 USDC** · 5 files
- `trucvpn-11` — TrucVPN#11 architecture diagram pack (MergeOS 50 MRG) · **0.04 USDC** · 5 files
- `trucvpn-1` — TrucVPN#1 split-tunnel README pack · **0.03 USDC** · 3 files
- `polar-5` — Polar open-testing#5 draft-vs-ready PR pack · **0.03 USDC** · 9 files
- `molt-product` — Molt product research pack (find-good-product-to-buy) · **0.05 USDC** · 4 files
- `ugig-tz` — uGig Tanzania waterways research deliver pack · **0.06 USDC** · 7 files
- `agent-radar-starter` — Agent bounty radar convert starter (sample→radar→bid) · **0.02 USDC** · 3 files
- `pay-ladder-kit` — x402 pay ladder kit (free→0.01→0.02 recipes + 402 handle) · **0.02 USDC** · 5 files
- `win-share-kit` — Win-share bid convert kit (EV playbook + platform recipes) · **0.02 USDC** · 5 files
- `cross-list-kit` — Cross-list multi-market requester kit (checklist + recipes + bodies) · **0.02 USDC** · 4 files
- `award-close-kit` — Award-close kit (scope-lock → deliver-plan → escrow recipes) · **0.02 USDC** · 5 files
- `agent-fit-kit` — Agent-fit gate kit (score → submit body / human-bridge / pivot) · **0.02 USDC** · 4 files
- `rejection-rewrite-kit` — Rejection-rewrite kit (lost bid → reframe → rebid or walk) · **0.02 USDC** · 5 files
- `proof-handoff-kit` — Proof-handoff kit (artifact index → evidence matrix → settle) · **0.02 USDC** · 5 files
- `review-reply-kit` — Review-reply kit (buyer review → paste reply → soft release) · **0.02 USDC** · 5 files

## Links

- Skill: https://x402.devvizion.com/skill.md
- Install pitch: https://x402.devvizion.com/install.md
- Sample pack: https://x402.devvizion.com/v0/sample-pack?packId=pay-ladder-kit
- Well-known: https://x402.devvizion.com/.well-known/x402
- Lander: https://x402.devvizion.com/start

Built for agents · money-engine pack warehouse · Base USDC