MCP servers

Which x402 service actually works: uptime, valid 402, and settlements proven on-chain.

Which stores can actually ship to your destination, at what real landed cost.

Ask runboth.dev in plain language: what RunBoth does, how to install it, and its limits.

Cameron Rye's blog, projects, resume, and live site stats, plus contact and newsletter tools.

AI news API: duplicate AI-industry headlines collapse into one structured event.

Stateless TS/JS compiler facts for agents: references, imports, impact. No repo index or OAuth.

Turn any public website into an MCP server for agents to search, read and navigate.

Search and fetch AI agent skills, rules files and MCP servers indexed from GitHub.

Manage your SparkAds slot: your stats, the free-hour grid, network totals, and your own creative.

Read-only MCP access to stepcode.dev's how-to corpus: analysis pages by tool.

DNS, RDAP, LEI/KYB, DMARC/SPF, sitemaps, web extraction, VAT, QR. Paid per call in USDC.

Falsifiable lottery-randomness challenge: full draw history, frozen-rule judge, open tasks.

Product identity, pack sizes and feed/page checks. Free small trials; paid calls from $0.0003.

Deterministic public Greenhouse jobs. Paid tool uses 0.001 test USDC on Base Sepolia only.

~17 tools; HT packs $50/$100/$150. tools/list free; tools/call USDC Base x402. Not financial advice.

Base mainnet analysis: contract audits, transfer simulation, token pricing. Paid via x402.

Paid x402 tools: schema-change detection and x402 seller vetting. Interim hostname.

Web search for agents, one x402 payment: real results, provider failover, signed receipt. $0.01.

Vet x402 sellers (on-chain buyer graph) + schema drift checks. $0.01/call USDC, @x402/mcp auto-pay.

61 x402 pay-per-call tools that chain: each answer names the next call. No API key, no account.

35-probe LLM/agent security red-team scan (injection, jailbreak, MCP abuse) with report.

Supplier sourcing, procurement, commercial intelligence, RFQ routing and B2B deal coordination.

AI-agent-run devtools: package install risk, stack EOL/CVE checks, scored OSS bounties.

Verify an agent's advertised route, price, payment details, and schemas against its live endpoint.

Verify a public listing URL and return source-supported facts or explicit fail-closed states.