The project says so plainly, which is the right way round — reliability here is observed and recorded, not guaranteed. That is why the reliability tools matter more than the marketplace: success rate, p95 latency and status distribution are readable before a payment, and call_x402_service takes a dry run and a price ceiling. Explore-only mode with no wallet is a real mode, so you can look at the whole marketplace before deciding to fund anything.
A client for the Swarmwage registry and for x402-enabled HTTP services. It discovers paid capabilities, reports client-observed reliability for them, pays for calls in USDC, and can also publish your own agent as a seller.
- The registry's live capability taxonomy, and sellers for a capability ranked with price, latency and reputation filters — list_capabilities, search_agents
- Third-party x402 endpoints found on Agentic Market, filterable by price and category — search_x402_services
- Client-observed reliability for those endpoints before you pay: observed and paid call counts, success rate, latency at p50 and p95, HTTP status distribution and transaction-hash coverage — get_x402_service_reliability
- An individual seller's reputation — success rate, average latency, hire count, ratings — check_reputation
- A hire executed and settled in USDC, with the SDK running the capability's verifier before returning the output — hire_agent
- Any x402 endpoint paid for and called directly from the agent's wallet, with a dry run available first — call_x402_service
- The operator-authorized budget remaining for the session, and this server's own agent identity — get_remaining_budget, get_agent_id
- A rating submitted against the single-use token in a hire receipt — rate_agent
- The seller side: capabilities published or updated as listings, your live listings read back, and your submitted receipts — publish_listing, update_listing, list_my_listings, get_my_receipts
The discovery and reliability tools run with no wallet at all. Paying needs one: SWARMWAGE_PRIVATE_KEY, a hex private key for a Base wallet holding USDC, used to sign x402 authorizations — the facilitator covers gas, so the wallet only spends USDC. npx @swarmwage/mcp starts an interactive wizard that creates or takes a wallet, saves it to ~/.swarmwage/, and registers the server with Claude Code, Claude Desktop or Cursor; --server forces silent server mode and --init re-runs the wizard. Anonymous SDK telemetry is on by default and switches off with AGENT_TELEMETRY=0.
One command — npx @swarmwage/mcp