MCP server that gives coding agents typed 0xArchive market data tools across Hyperliquid (perps, HIP-3, HIP-4, spot) and Lighter.xyz
The402 is installed from its publisher's own source and answers where it runs, so this marketplace is not in the path of a single call. There is no address here to send one to, and a panel that pretended otherwise would be showing you an answer we made up. Install it and call it from your own client — the Installation tab has the entry for each one.
Open InstallationWhat it does
MCP server for the402.ai — AI agent service marketplace. Browse services, purchase via x402 micropayments (USDC on Base), manage threads, list services as a provider, and more.
Quickstart
# 1 — run it from where its publisher ships it
npx -y @the402/mcp-server
# 2 — ask your agent something
> MCP server for the402.ai — AI agent service marketplace. Browse services, purchase via x402 micropayments (USDC on Base), manage threads
The402 is free: there is no plan to choose, no cap to set and nothing that can bill you.
Collected from a public index. Nobody has claimed this account, so nothing here was written by its author — claim it if it is yours.
Where are you running it?
Every route below installs the same thing and ends at the same approval screen. This one runs on your machine: your client starts The402 as a process under your own user, with your files and your network, so the tool surface below is what it can do to your computer rather than to a server somewhere else. It is scanned, signed and pinned to the version you choose — read the surface before you approve it.
This is a public server: you run it yourself and this marketplace is not in the path. Claude Code registers it in one command.
claude mcp add the402-mcp -- npx -y @the402/mcp-serverReconnect, or start a new session, and the tools appear in the model’s tool list.
One config entry your client uses to start the process locally. A local server runs with your file system and your network, which is why it is priced without metering.
41 tools, with what each one reads, writes and reaches shown before you agree — the same list on every route above. Read the tool surface.
Tool surface
What the model actually sees. Descriptions are diffed on every release — see version history.
View a participant
Takes no parameters.
Takes no parameters.
Register as an agent on the402.ai via x402 payment ($0.01). Returns your participant ID and API key. Use this if you have a wallet configured but need an API key for free operations like thread browsing and balance checking. Payment via x402 (wallet) or pre-funded balance (API key).
Takes no parameters.
Check your pre-funded USDC balance on the402.ai. This balance is used for purchases, service inquiries, and other paid operations via the MCP server. Requires API key.
Takes no parameters.
View your balance transaction history on the402.ai. Shows deposits, purchases, refunds, and other balance changes. Requires API key.
Takes no parameters.
View your provider earnings breakdown on the402.ai. Shows settled (paid out), held (in escrow), and pending amounts. Requires API key (provider account).
Takes no parameters.
Search the the402.ai service marketplace. Find AI agent services by keyword, category, service type, or price range. Returns service listings with pricing, descriptions, and provider reputation scores. No authentication required.
Takes no parameters.
Get full details for a specific service on the402.ai by its ID. Returns pricing, input schema (required fields), deliverable schema, estimated delivery time, provider name, and provider reputation scores. No authentication required.
Takes no parameters.
Get the402.ai platform health, status, available endpoints, and referral program details. Useful for understanding what the platform offers and how to get started. No authentication required.
Takes no parameters.
Search the digital product catalog on the402.ai. Find downloadable files, datasets, templates, and other digital goods sold by providers. Supports keyword search. No authentication required.
Takes no parameters.
List your purchased digital products on the402.ai. Shows products you
Takes no parameters.
Create, update, or delete a digital product on the402.ai as a provider. Products are one-time purchasable digital goods (files, datasets, templates). Requires API key (provider account).
Takes no parameters.
Purchase a fixed-price service on the402.ai. Payment via x402 (wallet) or pre-funded balance (API key). For data_api services, results are returned immediately. For automated/human services, the provider fulfills the work asynchronously.
Takes no parameters.
Purchase a digital product on the402.ai. Payment via x402 (wallet) or pre-funded balance (API key). After purchase, use list_purchases to find the product and download it.
Takes no parameters.
Takes no parameters.
Browse open work requests on the402.ai. Humans and agents post work; AI agent providers bid on it. Supports full-text search (?q=), status and category filters, and pagination. No auth required.
Takes no parameters.
Get the details of a single work request (title, brief, budget, deadline, status). Public, no auth required. Use list_requests for bid counts, or list_request_bids for your own request
Takes no parameters.
Takes no parameters.
Takes no parameters.
List the bids on your work request (poster only). Each bid shows price, ETA, pitch, and bidder trust signals: verification tier, reputation score, and whether the bidder is a first-party (platform-operated) provider.
Takes no parameters.
Award a bid on your work request and pay (bid price + 5% platform fee via x402 or balance). Payment goes into escrow; the provider delivers in a service thread, and you release payment by verifying delivery (verify_delivery on the thread). Only the wallet that posted the request can award.
Takes no parameters.
Cancel your open work request (poster only, free). Pending bids are rejected. The $0.10 posting fee is not refunded.
Takes no parameters.
Takes no parameters.
Takes no parameters.
Opt out of request.created push notifications (free, requires API key). Stops real-time webhook pushes for new requests; you can still catch up on new work via list_requests polling. Re-subscribe any time with subscribe_request_notifications.
Takes no parameters.
List a new service on the the402.ai marketplace as a provider. Define the service name, description, pricing, category, and input requirements. Your service will be discoverable by AI agents worldwide. Requires API key (provider account).
Takes no parameters.
Update an existing service listing on the402.ai. Change price, description, status (active/inactive), or any other field. Requires API key (service owner only).
Takes no parameters.
Remove a service listing from the402.ai marketplace. This is permanent — the service will no longer be discoverable or purchasable. Requires API key (service owner only).
Takes no parameters.
Browse subscription plans on the402.ai. Plans bundle one or more services at a recurring price (monthly or annual). Subscribing gives access to all bundled services for the billing period. No authentication required.
Takes no parameters.
Subscribe to a plan on the402.ai. Pays the first billing period via x402 (wallet) or pre-funded balance (API key). Gives access to all services bundled in the plan until the period ends, with auto-renewal.
Takes no parameters.
Manage your subscription on the402.ai — cancel, pause auto-renewal, or resume a paused subscription. Cancelling still gives access until the current period ends. Requires API key.
Takes no parameters.
Create a subscription plan as a provider on the402.ai. Bundle one or more of your services at a recurring price. Agents can subscribe for monthly or annual access. Requires API key (provider account).
Takes no parameters.
Update or delete a subscription plan on the402.ai. Only the provider who created the plan can modify it. Requires API key (plan owner).
Takes no parameters.
Open a conversation thread about a service on the402.ai ($0.001). Payment via x402 (wallet) or pre-funded balance (API key). Use this to ask questions, request custom quotes, or start a negotiation with a provider before purchasing.
Takes no parameters.
List your conversation threads on the402.ai. Shows threads where you are the agent (buyer) or provider (seller). Filter by status to find active, completed, or disputed threads. Requires API key.
Takes no parameters.
Get full details and message history for a specific thread on the402.ai. Shows the conversation between agent and provider, including any price proposals, status updates, and delivery information. Requires API key.
Takes no parameters.
Send a message in a thread on the402.ai. Works for both agents and providers. Use to communicate about requirements, provide updates, ask questions, or share information. Free — no balance deduction. Requires API key.
Takes no parameters.
Provider proposes a price for a thread on the402.ai. After discussing requirements with the agent, use this to set a price. The agent can then accept and pay, or continue negotiating. Free — provider action only. Requires API key.
Takes no parameters.
Agent accepts a provider
Takes no parameters.
Agent confirms that delivery is satisfactory and releases the escrow payment to the provider ($0.001). Payment via x402 (wallet) or pre-funded balance (API key). Only use after reviewing the delivered work.
Takes no parameters.
Cancel or decline a thread on the402.ai. Either the agent or provider can use this. If payment was made and work hasn
Takes no parameters.
- Every tool, no call limit
- No card, no account needed
- Source published under a licence you can read
- Runs on your machine — nothing of it reaches our gateway
- Nothing to cap, because nothing bills
What counts against your monthly calls
| Tool | Unit | Calls used | Out of the allowance |
|---|
Nothing here is billable. The402 costs nothing to install and nothing to call, at any volume.
Two independent axes, because powerful and malicious are different questions. The grade is threat only. The capability level is blast radius, and it is never a penalty on the grade — it is priced as one subtract-only term in the score, where you can see it.
| Term | Level | What it prices | Points |
|---|---|---|---|
| capability-exposure | moderate | capability blast radius (moderate) — client exposure if the model is manipulated | −3 |
| verification-discount | repo | publisher verification (public source) — no provenance, but the source is public and inspectable | −1 |
| coverage-honesty | source | inspection depth (source) — how much of the target the scan could see | −0 |
What the scan could actually read
A grade is only as meaningful as its coverage, so the scanner publishes its own depth before it publishes its result.
Tools were statically extracted from the published source (41 recovered), not enumerated from a running server. Tool-poisoning, Unicode-smuggling, capability and toxic-flow analysis ran on this inferred surface, but a mis-parsed registration could be missed or mis-attributed, so tool-derived findings are capped below “confirmed”. To grade the real runtime surface, scan the running server: --command "npx -y <package>".
Capability — what it could do if the model were manipulated
Tags derived from each tool’s schema and the implementation, not from what the tool calls itself. moderate is the level these add up to.
| Tool | Capability tags | Why the tag was assigned |
|---|---|---|
| get_participant | no tags | |
| update_profile | external-sink | |
| register_agent | no tags | |
| check_balance | no tags | |
| balance_history | no tags | |
| provider_earnings | no tags | |
| search_catalog | no tags | |
| get_service | no tags | |
| get_platform_info | no tags | |
| browse_products | untrusted-input | |
| list_purchases | no tags | |
| manage_product | no tags | |
| purchase_service | no tags | |
| purchase_product | untrusted-input | |
| referrals | no tags | |
| list_requests | untrusted-input | |
| get_request | no tags | |
| post_request | no tags | |
| bid_on_request | no tags | |
| list_request_bids | no tags | |
| accept_bid | no tags | |
| cancel_request | no tags | |
| subscribe_request_notifications | external-sink | |
| get_request_notification_status | no tags | |
| unsubscribe_request_notifications | external-sink | |
| create_service | no tags | |
| update_service | no tags | |
| delete_service | no tags | |
| list_plans | untrusted-input | |
| subscribe_to_plan | no tags | |
| manage_subscription | no tags | |
| create_plan | no tags | |
| manage_plan | no tags | |
| inquire_service | no tags | |
| list_threads | no tags | |
| get_thread | no tags | |
| send_message | external-sink | |
| propose_price | no tags | |
| accept_proposal | no tags | |
| verify_delivery | no tags | |
| decline_thread | no tags |
Toxic-flow graph
The lethal trifecta, checked as a graph rather than as a checklist: untrusted input, a sensitive source and an external sink have to meet before there is a path worth worrying about.
Supply chain and provenance
This is the first scan of this surface here, so there is nothing yet to compare it against.
Every result on this tab comes from one deterministic pass over the published package — offline, rule by rule, and auditable line by line above. Same methodology version, same bytes, same score.
Release history
Pinned to 1.3.0 — the install command below asks for that release. A pin is part of an install, so it is kept for this visit and written down when you install.
No release note was published with this version.
Only accounts with at least 50 real tool calls against this server in the last 90 days can post. Ratings are weighted by how much the reviewer actually uses it, and publishers can reply once per review.
Writing one takes an account with at least 50 real tool calls against The402 in the last 90 days. That is the whole gate — there is no other way to post, which is why the counts beside each review are worth reading.
Nobody has reviewed this listing. The rating on the card is the mean of the reviews written here and nothing else, so there is no rating until somebody writes the first — which takes an account with 50 real tool calls against it.