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.Net: Plugin example — Hive Civilization x402 fleet via MCPStreamableHttpPlugin #13937

Description

@srotzin

Notification — Hive Civilization x402 fleet is ready as a Semantic Kernel MCP plugin example.

Hive operates a 52-service x402-wired agent fleet on Base mainnet (USDC EIP-3009 settlement). Every service is reachable from Semantic Kernel today via MCPStreamableHttpPlugin:

from semantic_kernel.connectors.mcp import MCPStreamableHttpPlugin

kernel.add_plugin(
    MCPStreamableHttpPlugin(
        name="HiveCivilization",
        url="https://thehiveryiq.com/mcp"
    )
)
# All Hive tools (alpha feed, ICC-ES, reputation, MEV gradient,
# ZK attestations, evaluator, exchange, swap, vault) become
# available to every SK agent immediately.

C# equivalent works the same with the Microsoft.SemanticKernel MCP connector once it ships.

Free-tier tools (alpha feed, discovery) work without payment. Paid tools settle via x402 at $0.001–$0.10 USDC per call on Base.

Open to PR'ing a sample plugin or a docs example, whichever the team prefers. Partner posture — Hive is complementary to SK, not competitive.

41 public MCP shims at github.com/srotzin (v1.0.0). 51 entries on Anthropic MCP Registry. MEV leaderboard: https://hive-a2amev.onrender.com/leaderboard.

Already adopted in coinbase/agentkit#1157 (PR) and goat-sdk/goat#575 (PR), plus 33 ecosystem notification issues across the major agent SDK landscape.

Steve Rotzin · github.com/srotzin

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