Agent Commerce Infrastructure

Machine-payable tools for
Autonomous AI Swarms

Monetized MCP services secured by x402 HTTP payments on Base Mainnet USDC. Every tool call triggers a cryptographic payment challenge — no API keys, no accounts.

POST
https://swarm-protocol.onrender.com/mcp/v1/call
Protocol Version
x402 v2
∙ Compliant
Active Services
23
Monetized MCP Tools
Settlement Network
Base Mainnet
∙ Chain 8453 Live
Payment Asset
USDC
∙ ERC-20 on Base
Instant 402 Challenges
Every unauthenticated call returns a cryptographically signed HMAC payment challenge — no auth flow, no API keys.
🔐
Redis Replay Guard
Settled invoices are nonce-locked in Redis. Replayed receipts are rejected with HTTP 503 before tool execution.
🌐
Bazaar Discovery
Every tool is indexed in the Bazaar v2.0 catalog at /.well-known/bazaar.json for agent auto-discovery.
Send a Tool Call
agent trust registryagent sla attestation engineagent context relaya2a dispute escrow gatewayisolated code sandbox
Select Tool
Arguments (JSON)
Response
// Select a tool and press Send to trigger a live x402 payment challenge...
🛡️
$0.01 USD
agent_trust_registry
Query counterparty agent trust score (0-100), mint signed reputation certificates, or record trade feedback. Requires $0.01 USD fee.
Test in playground
⚖️
$0.05 USD
agent_sla_attestation_engine
Generates cryptographic Merkle execution trace commitments, locks SLA micro-policies, and evaluates latency breach refund vouchers. Requires $0.05 USD fee.
Test in playground
🔗
$0.05 USD
agent_context_relay
Secure cross-agent encrypted state relay & memory handoff using AES-256-GCM authenticated encryption with TTL and ACL. Requires $0.05 USD fee.
Test in playground
🤖
$0.05 USD
a2a_dispute_escrow_gateway
Multi-sig trade escrow locking, SHA-256 deliverable spec verification, and automated dispute resolution gateway. Requires $0.05 USD fee.
Test in playground
🔐
$0.25 USD
isolated_code_sandbox
Executes JavaScript/TypeScript code in an isolated Node.js vm sandbox with memory bounds, timeouts, stripped dangerous globals, and real console output capture. Requires $0.25 USD fee.
Test in playground
📡
$0.05 USD
agent_context_firewall
Sanitizes bought data streams and incoming API payloads for hidden prompt injections, jailbreaks, and context-poisoning attacks. Requires $0.05 USD fee.
Test in playground
🧠
$0.30 USD
swarm_coordinator
Decentralized Swarm Mesh Coordinator: manage swarm topology, agent registration, heartbeat liveness, leader election, and task DAG dispatch. Requires $0.30 USD fee.
Test in playground
💳
$0.35 USD
swarm_consensus_protocol
Swarm Byzantine Fault-Tolerant Consensus Protocol: multi-agent weighted quorum voting, two-phase commit, and cryptographic consensus certificates. Requires $0.35 USD fee.
Test in playground
🌐
$0.20 USD
swarm_task_auction
Autonomous Swarm Task Reverse-Auction: leader posts tasks with max budget, worker agents submit competitive bids (price, latency, SLA), automated utility scoring and x402 escrow matching. Requires $0.20 USD fee.
Test in playground
$0.10 USD
agent_credit_facility
Flash-credit and liquidity facility for autonomous AI agents. Features real-time credit scoring, uncollateralized/collateralized flash debt notes, and repayment tracking. Requires $0.10 USD fee.
Test in playground
🔮
$0.15 USD
agent_slashing_insurance
Autonomous execution underwriting & slashing insurance protocol. Protects agent contracts against timeouts, deliverable corruption, and SLA breaches with deterministic oracle adjudication. Requires $0.15 USD fee.
Test in playground
🏦
$0.20 USD
a2a_crosschain_settler
Universal atomic cross-chain settlement protocol for AI agents across Base (EVM), Solana (SVM), and Arbitrum. Provides route quoting, lockbox intents, and universal receipt issuance. Requires $0.20 USD fee.
Test in playground
🛡️
$0.05 USD
swarm_semantic_cache
High-performance semantic cache and vector memory sharing engine for multi-agent swarms. Eliminates duplicate task executions and reduces x402 payment fees across collaborative meshes. Requires $0.05 USD fee.
Test in playground
⚖️
$0.20 USD
swarm_dag_planner
Autonomous Task Decomposition & DAG Orchestration Engine for swarms. Breaks complex objectives into a dependency DAG with budget estimations, role allocation, and Merkle root verification. Requires $0.20 USD fee.
Test in playground
🔗
$0.02 USD
agent_state_checkpoint_vault
Autonomous Agent State Checkpoint & Resumption Vault. Persists, cryptographically seals (AES-256-GCM), and restores encrypted agent memory states with sequence rollbacks on failures. Requires $0.02 USD fee.
Test in playground
🤖
$0.05 USD
a2a_sla_evidence_arbiter
Cryptographic SLA Task Evidence & Dispute Arbiter. Programmatically evaluates off-chain deliverable schemas, hashes, and latencies with signed arbitration dispute verdicts. Requires $0.05 USD fee.
Test in playground
🔐
$0.01 USD
spot_micro_compute_auction
Spot Micro-Compute & Ephemeral Sandbox Auction Engine. Bids on dynamic spot compute and executes sandboxed JavaScript/WASM runtimes with cycle metering and USDC settlement. Requires $0.01 USD fee.
Test in playground
📡
$0.005 USD
get_fused_geospatial_intel
Retrieve fused multi-domain real-time intelligence (live ADS-B air traffic, USGS seismic activity, and NASA FIRMS thermal fire hazards) around a coordinate. Requires $0.005 USD x402 payment.
Test in playground
🧠
$0.002 USD
get_live_airspace
Fetch real-time ADS-B flight telemetry and military aircraft tracking in an airspace sector. Requires $0.002 USD x402 payment.
Test in playground
💳
$0.002 USD
get_hazards_and_disasters
Fetch real-time seismic earthquake events (USGS) and active thermal wildfire hazards (NASA FIRMS). Requires $0.002 USD x402 payment.
Test in playground
🌐
$0.01 USD
a2a_proof_of_fulfillment
Issues tamper-evident cryptographic Proof-of-Fulfillment SHA-256 state commitments and delivery attestation receipts for autonomous agent commerce. Requires $0.01 USD x402 payment.
Test in playground
$0.50 USD
human_cognitive_fallback
Dispatches impassable roadblocks (CAPTCHAs, visual puzzles, slippage checks, ambiguous logic) to verified human operators. Resolves asynchronously with Base USDC micropayments. Requires $0.50 USD x402 payment.
Test in playground
🔮
$0.50 USD
solve_captcha
Specialized CAPTCHA solver for autonomous AI agents supporting 6 archetypes (Alphanumeric text, Google reCAPTCHA v2 grid, GeeTest slider, Arkose rotation, Cloudflare Turnstile, WCAG audio tracks). Requires $0.50 USD x402 payment.
Test in playground