Five free MCP tools, including proof-before-payment preview, plus one authorized x402 pack.
Free
4 servers across payments & billing, security & testing and ai & agents. The largest is H/M Agent Surface - Free MCP Tools.
Payments & Billing · Security & Testing · AI & Agents
4
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4 MCP servers. 4 of 4 are free to start.
Free Article 50 website scanner, notice builder, and checksum verifier. No key or payment.
Free
Free AI crawler checks, Agent Surface audits, A2A actions and optional x402 evidence packs.
Free
Free C2PA 2.4 triage and reproducible official trust snapshot. No media, keys, or payment.
Free
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0 of 4 use OAuth
The rest either hold an API key issued by the publisher or ask for nothing.
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