Hive Barter
Automated arbitrage bot that scans MCP registries for 402 payment-enabled endpoints, probes their asking prices, and submits cryptographically signed counter-offers when the spread clears a configured resale margin. Exposes three tools: barter_discover to list 402-enabled servers, barter_quote_curve to build demand curves with multiple probe prices, and barter_arbitrage_book to track realized P&L. Settles real USDC on Base L2, not mock tokens. Ships with fail-closed risk caps: 50-cent max single counter, 25 dollars daily spend limit, one probe per target per day. Default off until you set ENABLE_OUTBOUND and supply a signing key. Reach for this when you want agent-to-agent price discovery and settlement on live rails with zero human negotiation loops.
- tools
- 3
- transport
- HTTP
- last updated
- Apr 28, 2026
Tools
3 toolsPublic tool metadata for what this MCP can expose to an agent.
barter_discoverList 402-enabled MCP endpoints from a public registry (glama, smithery, mcp.so) with last-seen asking prices.
List 402-enabled MCP endpoints from a public registry (glama, smithery, mcp.so) with last-seen asking prices.
No parameter schema in public metadata yet.
barter_quote_curveBuild a demand curve for a target by sending up to 5 probes at descending floor pcts. Returns the reservation-price estimate.
Build a demand curve for a target by sending up to 5 probes at descending floor pcts. Returns the reservation-price estimate.
No parameter schema in public metadata yet.
barter_arbitrage_bookToday's P&L: probes sent, counters accepted, USDC realized spread.
Today's P&L: probes sent, counters accepted, USDC realized spread.
No parameter schema in public metadata yet.
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hive-mcp-barter
Outbound 402 arbitrage agent — Hive Civilization
Probes 402-enabled MCP endpoints, counter-offers below asking, and settles when the spread clears our resale floor. Pure protocol — no DMs, no spam. Attribution headers on every request.
Council provenance: Ad-hoc, user-promoted 2026-04-27 (Tier A position 1).
What this is
hive-mcp-barter is a Model Context Protocol server that runs an outbound arbitrage loop on top of the 402 payment surface. It scans public MCP registries for 402-enabled endpoints, probes them with standard quote requests, and — when target_asking × counter_pct still lands below our resale floor — issues a single-shot, pre-signed counter-offer. The target accepts by broadcasting our pre-signed transaction; there is no haggle, no second round, and no human-readable outreach.
Details
- Repository
- github.com/srotzin/hive-mcp-barter
- Website
- www.hiveagentiq.com
- Category
- AI & LLM Tools
- Transport
- HTTP
- Registry
- MCP registry, active
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