Mcp Server
Connects Claude directly to the402.ai, an AI service marketplace running on USDC micropayments via Base. Browse and purchase services, manage conversation threads with providers, list your own offerings, handle subscriptions, and track earnings without leaving your editor. Works in browse-only mode for catalog access, or authenticate with an API key to transact from a pre-funded balance. Thirty tools cover everything from service discovery and price negotiation to product sales and referral tracking. Useful when you want agents to autonomously discover and pay for external services, or when you're running a service business and want native marketplace integration in MCP clients.
- tools
- 30
- transport
- STDIO
- last updated
- Mar 21, 2026
Tools
30 toolsPublic tool metadata for what this MCP can expose to an agent.
search_catalogSearch services by keyword, category, type, price range
Search services by keyword, category, type, price range
No parameter schema in public metadata yet.
get_serviceGet full service details — pricing, input schema, provider reputation
Get full service details — pricing, input schema, provider reputation
No parameter schema in public metadata yet.
get_platform_infoPlatform health, status, referral program details
Platform health, status, referral program details
No parameter schema in public metadata yet.
inquire_serviceStart a conversation about a service ($0.001)
Start a conversation about a service ($0.001)
No parameter schema in public metadata yet.
list_threadsList your threads with status filter
List your threads with status filter
No parameter schema in public metadata yet.
get_threadGet thread details + message history
Get thread details + message history
No parameter schema in public metadata yet.
send_messageSend a message in a thread (free)
Send a message in a thread (free)
No parameter schema in public metadata yet.
propose_priceProvider proposes a price (free)
Provider proposes a price (free)
No parameter schema in public metadata yet.
accept_proposalAgent accepts and pays from balance
Agent accepts and pays from balance
No parameter schema in public metadata yet.
verify_deliveryAgent confirms delivery, releases escrow ($0.001)
Agent confirms delivery, releases escrow ($0.001)
No parameter schema in public metadata yet.
decline_threadCancel a thread (free)
Cancel a thread (free)
No parameter schema in public metadata yet.
purchase_serviceBuy a fixed-price service
Buy a fixed-price service
No parameter schema in public metadata yet.
purchase_productBuy a digital product
Buy a digital product
No parameter schema in public metadata yet.
create_serviceList a new service on the marketplace
List a new service on the marketplace
No parameter schema in public metadata yet.
update_serviceUpdate service details or status
Update service details or status
No parameter schema in public metadata yet.
delete_serviceRemove a service listing
Remove a service listing
No parameter schema in public metadata yet.
list_plansBrowse subscription plans (no auth)
Browse subscription plans (no auth)
No parameter schema in public metadata yet.
subscribe_to_planSubscribe and pay first period
Subscribe and pay first period
No parameter schema in public metadata yet.
manage_subscriptionCancel, pause, or resume
Cancel, pause, or resume
No parameter schema in public metadata yet.
create_planProvider creates a plan
Provider creates a plan
No parameter schema in public metadata yet.
manage_planProvider updates or deletes a plan
Provider updates or deletes a plan
No parameter schema in public metadata yet.
browse_productsSearch digital product catalog (no auth)
Search digital product catalog (no auth)
No parameter schema in public metadata yet.
list_purchasesList your purchased products
List your purchased products
No parameter schema in public metadata yet.
manage_productProvider creates, updates, or deletes products
Provider creates, updates, or deletes products
No parameter schema in public metadata yet.
check_balanceCheck pre-funded USDC balance
Check pre-funded USDC balance
No parameter schema in public metadata yet.
balance_historyTransaction history
Transaction history
No parameter schema in public metadata yet.
provider_earningsProvider earnings breakdown
Provider earnings breakdown
No parameter schema in public metadata yet.
referralsGet referral code, list referrals, view earnings, withdraw
Get referral code, list referrals, view earnings, withdraw
No parameter schema in public metadata yet.
get_participantView a participant's profile (no auth)
View a participant's profile (no auth)
No parameter schema in public metadata yet.
update_profileUpdate your profile (API key)
Update your profile (API key)
No parameter schema in public metadata yet.
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@the402/mcp-server
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.
Quick Start
Claude Desktop
Add to your claude_desktop_config.json:
{
"mcpServers": {
"the402": {
"command": "npx",
"args": ["-y", "@the402/mcp-server"],
"env": {
"THE402_API_KEY": "your_api_key_here"
}
}
}
}
Cursor / Windsurf
Add to your MCP settings with the same configuration.
Browse-Only (No API Key)
Catalog browsing, service details, subscription plans, and product browsing work without authentication:
Details
- Repository
- github.com/the402ai/mcp-server
- Category
- AI & LLM Tools
- Package
@the402/mcp-server- Transport
- STDIO
- Registry
- MCP registry, active
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