Add PayBox Agent Tools provider

[matthewsharos]

Adds degenpoet/agent-tools, a live deterministic utility API with three 0.01 USDC endpoints for prompt-injection screening, JSON profiling, and tabular data-quality profiling.

Payment compatibility:

• x402 v2
• Solana mainnet USDC
• Base mainnet USDC
• no account or API key required

Validation:

• strict provider check passed
• 3/3 live endpoints returned valid 402 challenges
• 3/3 passed the Solana compatibility gate
• full registry static check passed with existing warnings

[greptile-apps]

Greptile Summary

Adds the PayBox Agent Tools provider with three paid, deterministic utility endpoints and documents x402 payment compatibility across Solana and Base.

• Adds provider metadata and spend-aware usage guidance.
• Adds OpenAPI schemas for prompt screening, JSON profiling, and tabular profiling.
• Enforces the documented one-to-1,000-row range with minItems: 1 and maxItems: 1000.

Confidence Score: 5/5

The PR appears safe to merge.

No blocking failure remains; the previously reported tabular schema issue is resolved by requiring at least one row.

Important Files Changed

Filename	Overview
providers/degenpoet/agent-tools/PAY.md	Defines valid provider metadata, service routing, capabilities, and spend-aware usage guidance.
providers/degenpoet/agent-tools/openapi.json	Defines three paid endpoint contracts and now correctly rejects empty tabular row arrays.

_{Reviews (2): Last reviewed commit: "Enforce minimum tabular row count" | Re-trigger Greptile}

[greptile-apps]

Tabular minimum is unenforced

The description requires one to 1,000 rows, but omitting minItems makes {"rows":[]} valid under the machine-readable schema, allowing clients to pay for an empty profiling request with unspecified usefulness.

Suggested change

	"maxItems": 1000,
	"minItems": 1,
	"maxItems": 1000,

Knowledge Base Used: Provider registry (providers/)