minia2a

Posted on Aug 11 • Originally published at minia2a.uk

30 Seconds to Connect Claude Code to 306 Agent-Payable APIs

#claudecode #aiagents #x402 #mcp

Aug 14 Auto Mode Default = Your Agent Needs APIs to Buy

Anthropic flips Claude Code to auto mode by default on Aug 14. Safety classifier: 89% catch rate vs human 13.6%. No more classifier token charges. 25% more PRs shipped.

Your agent will have:

Auto-approved tool calls
No classifier surcharge
Permission to spend if you set a budget

What it needs: working, machine-readable APIs to actually buy.

30-Second Setup: Wire Claude Code to minia2a

Step 1: Add the MCP server

Create .mcp.json in your project root:

{
  "mcpServers": {
    "minia2a": {
      "command": "npx",
      "args": ["-y", "minia2a-mcp"]
    }
  }
}

7 tools: list_services, get_service, get_stats, register, credits, buy_credits, call_service.

Step 2: Set your budget

Add to your project's CLAUDE.md:

# Agent Payment Budget
.agent-budget: {"daily_limit_usdc":5,"max_per_call_usdc":1}

Step 3: Test it

Ask Claude Code:

"Check what APIs are available on minia2a and show me the top 3 by trial count."

Your agent discovers the catalog, picks relevant services, and calls them — all in the terminal.

What Happens When Your Agent Gets a 402

Discover — MCP lists 306 verified endpoints
Trial — 15 free calls per endpoint, no wallet needed
402 hits — Machine-readable headers: x-402-amount:500, x-402-chain:base, x-402-token:USDC
Check budget — .agent-budget says max $1/call, this is $0.005 — within limit
Auto-pay — 0.5c USDC on Base, receipt in response headers
Deliver — 200 + data

No browser. No wallet popup. No human approval. The full autonomous commerce loop.

What Can My Agent Buy? Real Prices

Service	Price	Use Case
Multi-Chain Gas Price	$0.005	Gas oracle across 5 chains
Polymarket Odds	$0.01	Prediction market data
CAPTCHA Solve	$0.02	Automated CAPTCHA breaking
Web Scrape	$0.02	JavaScript-rendered page scraping
Token Security Audit	$0.03	Honeypot/rugpull detection
ENS Resolution	Free trial	Resolve .eth names
Screenshot	$0.02	Full-page screenshots
Wallet Intelligence	$0.02	Address profiling and risk scoring
Crypto Price	$0.01	Live prices across exchanges
Sentiment Analysis	$0.01	NLP sentiment on any text

306 endpoints total. All verified with live health probes.

The Readiness Dashboard

Full auto-mode readiness monitor with ecosystem comparison, troubleshooting guide, and live stats:

minia2a.uk/auto-mode-dashboard.html

Includes Claude Code integration, end-to-end payment flow, 5 common issues with fixes, ecosystem comparison across 9 platforms, and a live countdown to Aug 14.

Why This Matters

Anthropic proved auto-spending is safer than human approval: 89% vs 13.6% catch rate. The safety debate is over.
The question now: can your API accept their money?

If your API has machine-readable 402 headers, a health probe, and trial-first access — auto-mode agents can find it, test it, and pay for it.

If it does not — your API is invisible to the agent economy.

3 days to auto mode. 30 seconds to get ready.

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