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.
the402 is closing on November 21, 2026. After that date there is no server for this package to talk to. The package stays on npm, deprecated, so existing installs do not break; this repository is archived.
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.