PayPerByte
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Funding-mcpofficial
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TDQS
Scored across 15 tools
Each tool targets a distinct resource+action (publisher, subscription, feed, payload, balance), with clear separation between discover/subscribe/buy/publish/verify flows. The closest overlaps are byte_search_publishers vs byte_list_feeds and byte_check_subscription vs byte_list_my_subscriptions, but the descriptions clarify catalog-level discovery vs wallet-specific checks well enough to prevent misselection.
The dominant pattern is byte_verb_noun (get_publisher, list_feeds, buy_data, verify_payload), and the byte_ prefix gives every tool a strong family identity. Deviations like byte_subscription_health (no verb) and byte_subscribe/byte_unsubscribe (verb-only) are conventional and readable but break the strict pattern.
15 tools sits at the top of the well-scoped range, and each tool earns its place across two user roles (subscriber and publisher) plus payment, balance, and verification concerns. The breadth is justified by the data-marketplace domain, which naturally requires discovery, subscription lifecycle, publishing, pay-per-call purchasing, and attestation verification.
The subscriber lifecycle is fully covered (discover, subscribe, monitor health, unsubscribe), and the publisher side supports register and publish, complemented by pay-per-call purchase, fact-oracle queries, and payload verification. Notable gaps are publisher self-service (no schema/price update, no unregister) and no historical message retrieval beyond counts, but the core v1 workflows have no dead ends.