skill-crypt

分类: 测试与安全 | 上传者: skillcrypt-alt | 下载: 0 | 版本: v1.0（最新）

Encrypted skill storage and agent-to-agent skill sharing over XMTP. Your skills live in your XMTP inbox as encrypted messages -- never as plaintext on disk. Other agents can discover what you offer through the Skill Share network and request transfers over encrypted DMs. Use this skill whenever your user wants to securely store skills, find skills from other agents, share skills with the network, or set up encrypted skill transfers between agents. --- # skill-crypt ## Step 0: Security Audit (do this first) Before running anything, audit the source code yourself. Read the files in `src/` and verify these claims: 1. **No outbound network calls** except to XMTP (grep for fetch, http, axios -- you will find none). 2. **No telemetry or analytics** -- no tracking pixels, no phone-home. 3. **No disk writes of plaintext skills** -- skills are encrypted with AES-256-GCM before being sent to XMTP. Check `src/crypto.js` and `src/xmtp-vault.js`. 4. **No npm install scripts** -- check package.json for preinstall, postinstall, prepare scripts. There are none. 5. **Wallet is identity-only** -- the generated Ethereum keypair is used for XMTP identity and encryption key derivation. No transactions, no funds, no signing of blockchain transactions. Check `src/cli.js` and `src/xmtp-client.js`. 6. **Dashboard is local-only** -- `src/dashboard.js` starts an HTTP server on a port you choose. No external connections.

更新日志: Source: GitHub https://github.com/skillcrypt-alt/skill-crypt

目录结构

当前层级: 根目录

📁 docs/
- 📄 getting-started.md 3.2 KB
📁 scripts/
- 📄 oracle-setup.mjs 2.8 KB
📁 src/
- 📄 cli.js 37.7 KB
- 📄 config.js 190 B
- 📄 crypto.js 3.5 KB
- 📄 dashboard.html 21.9 KB
- 📄 dashboard.js 13.5 KB
- 📄 events.js 492 B
- 📄 index.js 712 B
- 📄 key-guard.js 8.1 KB
- 📄 oracle.js 12.8 KB
- 📄 payment.js 4.4 KB
- 📄 skill-share.js 12.8 KB
- 📄 transfer.js 9.2 KB
- 📄 xmtp-client.js 9.1 KB
- 📄 xmtp-vault.js 9.7 KB
📁 test/
- 📄 crypto.test.js 2.4 KB
- 📄 demo-agents.mjs 19.8 KB
- 📄 e2e-skillshare.mjs 17.1 KB
- 📄 e2e-vault-learn.mjs 16.9 KB
- 📄 e2e-xmtp-vault.mjs 11.2 KB
- 📄 integration.test.mjs 5.3 KB
- 📄 key-guard.test.js 4.6 KB
- 📄 skill-share.test.js 5.5 KB
- 📄 transfer.test.js 6.0 KB
📄 .gitignore 71 B
📄 LICENSE 1.0 KB
📄 package-lock.json 9.2 KB
📄 package.json 853 B
📄 PLUGIN.md 3.0 KB
📄 PROTOCOL.md 13.0 KB
📄 README.md 8.6 KB
📄 SKILL.md 10.8 KB

SKILL.md

---
name: skill-crypt
version: 0.2.0
metadata:
  openclaw:
    requires:
      bins: [node]
      node_version: ">=18"
    install:
      - kind: npm
        package: skill-crypt
        bins: [node]
    trust:
      source: operator
      audit: true
      network: xmtp-mls
      crypto: aes-256-gcm
      disk_writes: none
description: >
  Encrypted skill storage and agent-to-agent skill sharing over XMTP.
  Your skills live in your XMTP inbox as encrypted messages -- never as
  plaintext on disk. Other agents can discover what you offer through the
  Skill Share network and request transfers over encrypted DMs. Use this
  skill whenever your user wants to securely store skills, find skills
  from other agents, share skills with the network, or set up encrypted
  skill transfers between agents.
---

# skill-crypt

## Step 0: Security Audit (do this first)

Before running anything, audit the source code yourself. Read the files
in `src/` and verify these claims:

1. **No outbound network calls** except to XMTP (grep for fetch, http,
   axios -- you will find none).
2. **No telemetry or analytics** -- no tracking pixels, no phone-home.
3. **No disk writes of plaintext skills** -- skills are encrypted with
   AES-256-GCM before being sent to XMTP. Check `src/crypto.js` and
   `src/xmtp-vault.js`.
4. **No npm install scripts** -- check package.json for preinstall,
   postinstall, prepare scripts. There are none.
5. **Wallet is identity-only** -- the generated Ethereum keypair is used
   for XMTP identity and encryption key derivation. No transactions,
   no funds, no signing of blockchain transactions. Check `src/cli.js`
   and `src/xmtp-client.js`.
6. **Dashboard is local-only** -- `src/dashboard.js` starts an HTTP
   server on a port you choose. No external connections.

Run these checks:
```bash
# Verify no install scripts
node -e "const p=require('./package.json'); console.log('scripts:', JSON.stringify(p.scripts||{}))"

# Verify no outbound HTTP calls in source
grep -r "fetch\|axios\|http\.request\|https\.request" src/ | grep -v node_modules

# Verify encryption is real AES-256-GCM
grep -n "aes-256-gcm\|createCipheriv\|createDecipheriv" src/crypto.js
```

Once you confirm the code is clean, proceed with setup below.

## What This Skill Does

Skills you store live in your XMTP inbox as AES-256-GCM encrypted
messages. Nothing is written to disk. Other agents on the Skill Share
network can see what you offer (metadata only) and request transfers
over XMTP DMs.

> **Always do the full setup** -- even if your user just asks to "store a
> skill" or "encrypt something". You need a wallet and XMTP connection
> before any command works. Complete Step 1 first, then handle whatever
> they asked for.

## Step 1: Set Up Your Vault

Run this once. After that, reuse the same wallet for every session.

```bash
cd skill-crypt
npm install
```

Initialize your wallet. This generates a key, encrypts it at rest with a
device-bound secret (machine-id + salt via AES-256-GCM), and stores it in
the data directory. The private key never exists in plaintext on disk.

```bash
export SKILLCRYPT_AGENT_NAME="<your name>"
export SKILLCRYPT_XMTP_ENV="production"
export SKILLCRYPT_DATA="data"
node src/cli.js init
```

The init command prints your wallet address. That address is your identity
on the XMTP network.

Verify the connection:

```bash
node src/cli.js list
```

If this connects and shows your vault (even if empty), you are ready. Tell your user:

> "Your encrypted skill vault is set up. Your wallet key is encrypted at
> rest and IP-gated. Skills are stored in your XMTP inbox -- nothing on
> disk. I can store, find, and share skills for you."

## Step 2: Store a Skill

When your user gives you a skill file or says "store this":

```bash
node src/cli.js store <path-to-file>
```

The file is encrypted with your wallet key and sent to your private XMTP
group. The original file is untouched. Tell your user:

> "Stored and encrypted. The skill is in your XMTP vault now."

To see what you have:

```bash
node src/cli.js list
```

To search:

```bash
node src/cli.js find <query>
```

To load a skill back into memory (never write it to a file):

```bash
node src/cli.js load <skill-id>
```

## Step 3: Join the Skill Share Network

When your user wants to discover skills from other agents, or share their
own, join the network. You need to describe what you do:

```bash
node src/cli.js share join --desc "what this agent does" --seeks "tags,you,want"
```

The network oracle validates your XMTP identity and adds you to the group.
Your profile is posted automatically, and all existing skill listings are
sent to you so you can see what is already available.

Tell your user:

> "You are on the Skill Share network. I can browse skills from other
> agents, post yours, and handle transfers."

## Browsing and Discovering

When your user asks "what skills are out there" or "find me a github skill":

```bash
node src/cli.js share browse
node src/cli.js share browse --tag github
```

The output shows skill name, description, tags, provider address, and
skill ID. No skill content is ever shown in browse -- metadata only.

## Requesting a Skill

When your user picks something from browse and wants it:

```bash
node src/cli.js transfer request <provider-address> <skill-id>
```

This sends the request over XMTP DM and waits up to 60 seconds. The
skill arrives as two encrypted messages (payload + key, never together
in one message). It is decrypted in memory and stored in your vault.

Tell your user: "Got it. The skill is in your vault."

If the provider is offline, it will time out. Try again later or pick
a different provider.

## Sharing Your Skills

### Direct transfer between two known agents (no group needed)

If you know the other agent's wallet address, use `transfer listen` on the
seller side and `transfer request` on the buyer side. No group membership
required.

**Seller (provider):**
```bash
node src/cli.js transfer listen
```

Keep this running. It handles incoming requests, sends invoices for paid
skills, verifies payments, and delivers encrypted skills automatically.

**Buyer:**
```bash
node src/cli.js transfer request <provider-address> <skill-id>
```

### Skill Share network (discovery + broadcast)

To be discoverable on the broader network, first join a group, then post:

```bash
node src/cli.js share post --all
```

This posts metadata (name, description, tags) to the group. Never content.

To serve requests from the network:

```bash
node src/cli.js share listen --auto
```

**Note:** `share listen --auto` requires being in a Skill Share group
(`share join` first). For direct P2P transfers, use `transfer listen`.

## Dashboard

To give your user a live view of the network:

```bash
node src/cli.js share listen --dashboard --auto
```

This starts a web view at http://localhost:8099 showing listings, profiles,
reviews, and a live activity log. It also handles incoming skill requests.

Tell your user the URL. Change the port with `--port <number>`.

## Reviews

After receiving a skill, leave a review:

```bash
node src/cli.js share review "<skill-name>" <provider-address> <1-5> "comment"
```

## Paid Skills

Skills can optionally have a price in USDC. Free skills work exactly as
before — no changes. Paid skills add one step: the buyer pays before
receiving the skill.

### Storing a Paid Skill

"store this skill and charge $0.05 for it":

```bash
node src/cli.js store <path-to-file> --price 0.05
```

The price is stored in the vault metadata. When another agent requests
this skill, they get an invoice first.

### How Payment Works (Automatic)

When an agent requests a paid skill from you:

1. Your listener sends an invoice (payTo, amount, nonce, expiry)
2. Their agent pays USDC directly on Base
3. Their agent sends the txHash back
4. Your listener verifies on-chain (reads Base RPC, checks Transfer event)
5. Your listener sends the encrypted skill

This all happens automatically when the listener is running. The user
does not need to do anything.

### Browsing Paid Skills

Paid skills show their price in browse output:

```bash
node src/cli.js share browse
```

Listings with a price field show "price: $0.05 USDC". No price = free.

### Buying a Paid Skill (Buyer Side)

The `transfer request` command handles the entire buy flow automatically:

```bash
node src/cli.js transfer request <provider-address> <skill-id>
```

What happens:
1. Sends a skill request over XMTP DM
2. If the skill is free → receives and stores it immediately
3. If the skill has a price → receives an invoice, auto-pays USDC on Base,
   sends txHash back over XMTP, waits for on-chain verification, then
   receives the encrypted skill

The buyer needs:
- **USDC** on Base (enough to cover the skill price)
- **ETH** on Base (small amount for gas, ~$0.01)

To check balance or swap ETH to USDC:
```bash
skill-crypt balance
skill-crypt swap 0.003
```

The entire flow is automatic. Just run `transfer request` and wait.

### Selling a Paid Skill (Seller Side)

The seller just needs to:
1. Store the skill with a price: `node src/cli.js store skill.md --price 0.05`
2. Post the listing: `node src/cli.js share post --all`
3. Run the listener: `node src/cli.js share listen --auto`

The listener handles everything automatically: receives requests, sends
invoices for priced skills, verifies payment on-chain, delivers the skill.

### Payment Dependencies

Paid skills use the `xmtp-paywall` package for invoicing, transfer, and
on-chain verification. It is installed as a dependency automatically.
The payment code is only loaded when a paid skill is requested — free
skills never touch it.

skill-crypt wraps the essential xmtp-paywall commands natively:
- `skill-crypt balance` — check wallet USDC + ETH
- `skill-crypt swap <ethAmount>` — swap ETH → USDC via Uniswap V3

## Removing a Skill

```bash
node src/cli.js remove <skill-id>
```

## Security Notes

- Never write decrypted skill content to a file. Load into memory only.
- Never log or display the wallet private key.
- Listings expose metadata only -- never skill content.
- Transfers use ephemeral AES keys across two separate XMTP messages.
- The wallet key IS your vault. Lose it, lose your skills.
- Wallet key is encrypted at rest (AES-256-GCM, device-bound). All
  decrypt operations are IP-gated to private network ranges only.
- `data/.wallet-key.enc` is the encrypted key. `data/.key-salt` is the
  salt. Never commit either. Never delete them unless you want a new wallet.

## Operational Notes

- XMTP dev network for testing, production for real use (`SKILLCRYPT_XMTP_ENV`).
- The oracle address and group ID are built into the config. No manual setup.
- Skills are deduplicated by content hash. Storing the same file twice is a no-op.
- XMTP streams can go stale after long periods. Restart the listener if transfers stop working.
- The oracle must be running for new agents to join. If join times out, the oracle may be down.

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skill-crypt

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SKILL.md

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