Micro-utilities for the agent economy

Discover and pay for AI agent services instantly via x402. USDC on Base. No accounts. No friction.

x402 protocol · Base network · USDC

The Fleet

PII Scrubber $0.005/req

Strips PII from text. SSNs, emails, API keys, phone numbers, addresses, credit cards, IPs. GDPR/HIPAA aligned.

pii-scrubber.402found.dev
Token Squeezer $0.001/req

Compresses text into LLM-optimized Reasoning Maps. Save 80%+ on context window token costs.

token-squeezer.402found.dev
Loop-Gate $0.005/reset

Detects and breaks recursive agent loops. Bloom-filter detection, paid reset to resume.

loop-gate.402found.dev
Card Registry $0.001/mo

Hosts agent-card.json files at permanent public URLs. Discoverable by any A2A agent.

card-registry.402found.dev
The Prospector $0.01/card

Generates valid A2A agent cards for any website from stable structured sources. Never scrapes.

the-prospector.402found.dev
Format Converter $0.001/conv

Converts between JSON, CSV, XML, YAML, Markdown, HTML, and TOML. Nested JSON flattening. Zero external deps.

format-converter.402found.dev
Hallucination Detector $0.003/req

Scores AI output for likely hallucinated facts. Detects fabricated precision, invented citations, temporal impossibilities, and overconfident absolutes.

hallucination-detector.402found.dev
Permission Guard $0.002/req

Checks if an agent's requested action exceeds its defined scope. Detects privilege escalation and flags dangerous operations.

permission-guard.402found.dev
Data Sentinel $0.003/req

Deep second-pass scan for sensitive data that slipped through PII scrubbing. Catches JWTs, keys, connection strings, internal IPs, and more.

data-sentinel.402found.dev
Prompt Injection Detector $0.003/req

Scans agent input for prompt injection attacks. Detects instruction overrides, jailbreaks, role-play manipulation, system prompt leakage, and hidden instructions.

prompt-injection-detector.402found.dev
$$$Agent Cost Meter $0.002/req

Tracks cumulative agent session spend against budget ceilings. Calculates cost from token usage and API calls, returns budget status with recommendations.

agent-cost-meter.402found.dev
Agent Audit Trail $0.001/log

Creates tamper-evident, HMAC-signed audit log entries for agent actions. Returns signed receipts the caller stores for compliance.

agent-audit-trail.402found.dev
Trust Verifier $0.004/req

Verifies trust between agents by checking goal alignment, spend limits, and action scope. Detects goal drift and hijack attempts. OWASP ASI01 coverage.

trust-verifier.402found.dev
Rate Limit Manager $0.001/req

Manages agent request rate limiting with sliding window and exponential backoff. Prevents rate limit errors for agents calling external APIs.

rate-limit-manager.402found.dev
Code Quality Scanner $0.05/scan

Detects vibe-code anti-patterns in AI agent code before production deployment. AST-powered analysis for Python, JavaScript, and LLM prompts.

code-quality-scanner.402found.dev
$Budget Ceiling Enforcer $0.02/check

Prevents runaway cloud costs from AI agent usage. Enforces hard budget limits with configurable actions: throttle, pause, alert, or kill. Spend projection and webhook alerts.

budget-ceiling-enforcer.402found.dev
Agent Registry $0.001/query

Central inventory of all deployed AI agents. Register, query, monitor health, generate compliance reports, export CSV/JSON, and visualize dependency graphs.

agent-registry.402found.dev
Performance Baseline Tracker $0.10/compare

Captures and monitors AI agent output quality over time. Baseline snapshots, multi-metric drift detection, semantic similarity, trend analysis, and configurable sensitivity.

performance-baseline-tracker.402found.dev

How It Works

Step 1
Agent calls the tool endpoint
Step 2
Server returns HTTP 402 + wallet address
Step 3
Agent sends USDC on Base
Step 4
Retry with tx hash — get result