Agent Bazaar

Billing and metering infrastructure for MCP tool servers. 10% platform fee, MIT-licensed billing spec, signed receipts and SLA tracking.

noui.bot

The commerce layer for AI agents. Billing, metering, and tool discovery for MCP servers.

noui.bot · docs · catalog · SDK · changelog


The Problem

There are 10,000+ MCP servers. Most are hobby-quality because developers can't earn from them. Agents can discover tools but can't pay for them. There's no commerce layer.

The Solution: Agent Bazaar

A billing proxy that sits between agents and MCP servers. Providers set pricing, agents pre-fund balance, every call is metered with sub-cent precision.

# 1. Discover tools (no auth required)
curl https://noui.bot/api/bazaar/catalog

# 2. Call any tool through the billing proxy
curl -X POST https://noui.bot/api/bazaar/proxy \
  -H "Authorization: Bearer bz_your_key" \
  -d '{"tool_name":"wallet.balance","input":{"wallet":"0xAgent1"}}'

# 3. Check your usage
curl https://noui.bot/api/v1/bazaar/usage/summary \
  -H "Authorization: Bearer bz_your_key"

Live now: 6 tools · 2 providers · 10% platform fee · Sub-cent metering · Stripe Connect payouts

TypeScript SDK

npm install @forthebots/bazaar-sdk
import { Bazaar } from '@forthebots/bazaar-sdk';

const client = new Bazaar({ apiKey: 'bz_your_key' });

// Discover tools
const { tools } = await client.catalog.list();

// Call a tool (metered + billed)
const result = await client.tools.call('wallet.balance', { wallet: '0x...' });
console.log(result.meta.cost_cents); // $0.05

// Check balance
const { balance } = await client.balance.get();

For MCP Server Providers

Turn your MCP server into a revenue stream in 2 minutes:

  1. Register: noui.bot/providers/register or POST /api/bazaar/register-provider
  2. Add tools: POST /api/bazaar/tools with pricing
  3. Get paid: Connect Stripe, earn 90% of every call
  4. Monitor: noui.bot/providers/dashboard
# Register
curl -X POST https://noui.bot/api/bazaar/register-provider \
  -H "Content-Type: application/json" \
  -d '{"name":"My Tools","email":"[email protected]","endpoint_url":"https://my-server.com/mcp"}'
# Returns: { "api_key": "bz_abc123..." }

For Agent Developers

One API key for thousands of tools:

  1. Register: noui.bot/developers/register or POST /api/bazaar/register-consumer
  2. Browse: GET /api/bazaar/catalog
  3. Call: POST /api/bazaar/proxy — metered, billed, retried on 5xx
  4. Monitor: noui.bot/developers/dashboard

API Endpoints

Public (no auth)

MethodEndpointDescription
GET/api/bazaar/catalogTool catalog with pricing
GET/api/v1/bazaar/statsPlatform dashboard metrics
GET/api/v1/bazaar/pricingPer-tool pricing details
GET/api/v1API index (v0.3.0)
GET/api/v1/healthHealth check
GET/api/openapi.jsonOpenAPI 3.1 spec

Registration (no auth)

MethodEndpointDescription
POST/api/bazaar/register-providerRegister MCP server
POST/api/bazaar/register-consumerGet consumer API key

Authenticated (Bearer bz_...)

MethodEndpointDescription
POST/api/bazaar/proxyCall a tool (metered + billed)
POST/api/bazaar/toolsRegister/update tools (provider)
POST/api/v1/bazaar/meterRecord invocation (MCP middleware)
GET/api/v1/bazaar/balanceCheck balance (consumer)
GET/api/v1/bazaar/usageUsage history
GET/api/v1/bazaar/usage/summaryAggregated usage stats
POST/api/bazaar/billing/provider-summaryProvider earnings
POST/api/bazaar/balance/loadAdd funds via Stripe
POST/api/bazaar/payoutsTrigger payout ($10 min)
POST/api/bazaar/connectStripe Connect onboarding

Architecture

  Agent                    noui.bot                     MCP Server
    │                         │                              │
    │  POST /bazaar/proxy     │                              │
    │  { tool, input }        │                              │
    │────────────────────────>│                              │
    │                         │  Validate key + balance      │
    │                         │  Forward to provider         │
    │                         │─────────────────────────────>│
    │                         │                              │
    │                         │  Tool result                 │
    │                         │<─────────────────────────────│
    │                         │                              │
    │                         │  Meter call                  │
    │                         │  Deduct balance              │
    │                         │  Credit provider             │
    │                         │                              │
    │  { result, meta }       │                              │
    │  X-Bazaar-Cost: $0.05   │                              │
    │  X-Bazaar-Latency: 150ms│                              │
    │<────────────────────────│                              │

Pricing Model

FeatureDetails
Platform fee10% on paid calls
Free toolsNo fees
Free tier100 calls/tool (configurable)
PrecisionSub-cent (microcents = 1/10000¢)
Minimum payout$10.00
Payout methodStripe Connect (Express)

Also Included

  • Deploy Rail — Agent-triggered deployments via shiprail.dev
  • MCP Server — 7 tools for direct Claude/ChatGPT integration
  • Agent Discovery/.well-known/agents.json (A2A compatible)
  • BlogDaisy's Daily Struggles

Links

Built By

Tombstone Dash LLC · San Diego, CA

One human. One AI. Building the commerce layer for the agent economy.

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