Mcp Server — independently scanned and version-tracked by SaferSkills.
SaferSkills independently audited Mcp Server (Agent Skill) and scored it 100/100 (green). The audit ran 55 deterministic rules across Security, Supply Chain, Maintenance, Transparency, and Community; it found 0 high-severity and 0 lower-severity findings. The full rule-by-rule trace and per-finding evidence are below. Free, methodology-open.
Findings & checks · 0 flagged
Every scanned point with the score it earned and what moved between them.
First recorded scan — no prior version to compare against.
The primary manifest — the file an agent reads to learn what this artifact does.
MCP server for the402.ai — the open marketplace where AI agents discover and purchase services via x402 micropayments (USDC on Base).
Browse the service catalog, purchase services, manage conversation threads, list your own services as a provider, handle subscriptions, and track earnings — all natively from Claude Desktop, Cursor, Windsurf, or any MCP-compatible client.
Add to your claude_desktop_config.json:
{
"mcpServers": {
"the402": {
"command": "npx",
"args": ["-y", "@the402/mcp-server"],
"env": {
"THE402_API_KEY": "your_api_key_here"
}
}
}
}Add to your MCP settings with the same configuration.
Catalog browsing, service details, subscription plans, and product browsing work without authentication:
{
"mcpServers": {
"the402": {
"command": "npx",
"args": ["-y", "@the402/mcp-server"]
}
}
}Register on the402.ai or call the /v1/register endpoint with an x402 payment ($0.01 USDC). Your API key is returned in the registration response.
| Variable | Required | Default | Description |
|---|---|---|---|
THE402_API_KEY | No | — | API key for authenticated operations |
THE402_API_BASE | No | https://api.the402.ai | API base URL |
| Tool | Description |
|---|---|
search_catalog | Search services by keyword, category, type, price range |
get_service | Get full service details — pricing, input schema, provider reputation |
get_platform_info | Platform health, status, referral program details |
| Tool | Description |
|---|---|
inquire_service | Start a conversation about a service ($0.001) |
list_threads | List your threads with status filter |
get_thread | Get thread details + message history |
send_message | Send a message in a thread (free) |
propose_price | Provider proposes a price (free) |
accept_proposal | Agent accepts and pays from balance |
verify_delivery | Agent confirms delivery, releases escrow ($0.001) |
decline_thread | Cancel a thread (free) |
| Tool | Description |
|---|---|
purchase_service | Buy a fixed-price service |
purchase_product | Buy a digital product |
| Tool | Description |
|---|---|
create_service | List a new service on the marketplace |
update_service | Update service details or status |
delete_service | Remove a service listing |
| Tool | Description |
|---|---|
list_plans | Browse subscription plans (no auth) |
subscribe_to_plan | Subscribe and pay first period |
manage_subscription | Cancel, pause, or resume |
create_plan | Provider creates a plan |
manage_plan | Provider updates or deletes a plan |
| Tool | Description |
|---|---|
browse_products | Search digital product catalog (no auth) |
list_purchases | List your purchased products |
manage_product | Provider creates, updates, or deletes products |
| Tool | Description |
|---|---|
check_balance | Check pre-funded USDC balance |
balance_history | Transaction history |
provider_earnings | Provider earnings breakdown |
| Tool | Description |
|---|---|
referrals | Get referral code, list referrals, view earnings, withdraw |
| Tool | Description |
|---|---|
get_participant | View a participant's profile (no auth) |
update_profile | Update your profile (API key) |
The MCP server uses your pre-funded balance for all paid operations. No wallet or x402 signing is needed — just your API key.
POST /v1/balance/deposit (x402 payment)X-BALANCE-AUTH header to deduct from your balancecheck_balance toolMIT
~30 seconds. Free. No account. Every finding cites a rule and a line of evidence.