Bull OTC

io.github.TMcodingarc/bull-otcVersion 1.0.0

Non-custodial RFQ and atomic swap settlement for AI agents. Escrow onchain, signed receipts.

Status

Responds192 msNov 14, 2026, 14:42 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 14:42 UTC
Latency: 192 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 21:12 UTC

Data from the official MCP Registry, checked by run.zero. How we check

Connect

Streamable HTTP

https://www.bull.family/api/mcpResponds192 msNov 14, 2026, 14:42 UTC

No sign-in

Claude Code

claude mcp add --transport http bull-otc https://www.bull.family/api/mcp

Claude Desktop and claude.ai

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Settings > Connectors > Add custom connector
Name: bull-otc
Remote MCP server URL: https://www.bull.family/api/mcp

Cursor

{
  "mcpServers": {
    "bull-otc": {
      "url": "https://www.bull.family/api/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"bull-otc","type":"http","url":"https://www.bull.family/api/mcp"}'

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Tools

18 tools

Tools of Bull OTC
	Description		Read-only	Idempotent	Open world
`bull_accept_quote`Use as a BUYER to accept a quote. Returns the exact createDeal transaction (with Bull's signed fee quote) for your wallet to send; Bull never holds your funds. Then call bull_attach_deal with the dealId from the DealCreated event. Safe to call again to refresh the fee quote. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Use as a BUYER to accept a quote. Returns the exact createDeal transaction (with Bull's signed fee quote) for your wallet to send; Bull never holds your funds. Then call bull_attach_deal with the dealId from the DealCreated event. Safe to call again to refresh the fee quote. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Not declared	Not declared	Not declared	Not declared
`bull_attach_deal`Use as a BUYER after sending createDeal: report the dealId. Bull checks it against the quote and returns the payment transactions (approve if needed, then fundPayment) to send from the buyer wallet. When the seller deposits, the swap settles in that transaction. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Use as a BUYER after sending createDeal: report the dealId. Bull checks it against the quote and returns the payment transactions (approve if needed, then fundPayment) to send from the buyer wallet. When the seller deposits, the swap settles in that transaction. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Not declared	Not declared	Not declared	Not declared
`bull_counter_quote`Use as a BUYER to negotiate: propose a different total price (and optionally a different token amount) on a pending quote. Returns the stored counter. The seller can answer with bull_revise_quote. Works only while the quote is pending. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Use as a BUYER to negotiate: propose a different total price (and optionally a different token amount) on a pending quote. Returns the stored counter. The seller can answer with bull_revise_quote. Works only while the quote is pending. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Not declared	Not declared	Not declared	Not declared
`bull_create_rfq`Use when you want to BUY a token in size (a block trade) without moving the market price: posts a private request for quotes on Bull, the modular, non-custodial settlement layer for OTC and agent-to-agent deals. Returns an rfqId; sellers answer with sealed quotes only you can read. Optional maxPrice limit and webhook; set dryRun to only validate, idempotencyKey to make retries safe. Not for small market swaps (use a DEX) or paying for API calls (use x402). Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Use when you want to BUY a token in size (a block trade) without moving the market price: posts a private request for quotes on Bull, the modular, non-custodial settlement layer for OTC and agent-to-agent deals. Returns an rfqId; sellers answer with sealed quotes only you can read. Optional maxPrice limit and webhook; set dryRun to only validate, idempotencyKey to make retries safe. Not for small market swaps (use a DEX) or paying for API calls (use x402). Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Not declared	Not declared	Not declared	Not declared
`bull_deposit`Use as a SELLER to submit the signed permit from bull_deposit_plan. Bull's relayer sends it and pays the gas; the swap settles in that transaction and you are paid in the same step. Returns the transaction hash. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Use as a SELLER to submit the signed permit from bull_deposit_plan. Bull's relayer sends it and pays the gas; the swap settles in that transaction and you are paid in the same step. Returns the transaction hash. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Not declared	Not declared	Not declared	Not declared
`bull_deposit_plan`Use as a SELLER after the buyer has paid into escrow: returns what to sign to deposit your tokens, either a gasless EIP-2612 permit (Bull's relayer pays gas) or direct approve + fundTokens transactions. Fails with not_ready until the buyer has funded. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Use as a SELLER after the buyer has paid into escrow: returns what to sign to deposit your tokens, either a gasless EIP-2612 permit (Bull's relayer pays gas) or direct approve + fundTokens transactions. Fails with not_ready until the buyer has funded. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Not declared	Not declared	Not declared	Not declared
`bull_get_deal`Use to verify any escrow deal onchain: open, settled or cancelled, and whether buyer and seller have funded. Public, no signature needed. Returns the deal state read from the contract.	Use to verify any escrow deal onchain: open, settled or cancelled, and whether buyer and seller have funded. Public, no signature needed. Returns the deal state read from the contract.	Not declared	Not declared	Not declared	Not declared
`bull_get_quotes`Use as a BUYER to read the sealed quotes on your own RFQ: seller, token amount, total price, counter state, deal status. Returns a list of quotes with quoteIds. Only the RFQ's buyer can read it. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Use as a BUYER to read the sealed quotes on your own RFQ: seller, token amount, total price, counter state, deal status. Returns a list of quotes with quoteIds. Only the RFQ's buyer can read it. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Not declared	Not declared	Not declared	Not declared
`bull_get_receipt`Use to get proof of a completed trade: a signed receipt for a settled deal (buyer, seller, token, amounts, fee) that anyone can re-check onchain. Public. Fails with not_settled for deals that are still open.	Use to get proof of a completed trade: a signed receipt for a settled deal (buyer, seller, token, amounts, fee) that anyone can re-check onchain. Public. Fails with not_settled for deals that are still open.	Not declared	Not declared	Not declared	Not declared
`bull_info`Use first to see what Bull is: supported chains, escrow contract, fee tiers, minimum size and auth rules. Public. Bull is the modular, non-custodial settlement layer for OTC, RFQ and agent-to-agent deals.	Use first to see what Bull is: supported chains, escrow contract, fee tiers, minimum size and auth rules. Public. Bull is the modular, non-custodial settlement layer for OTC, RFQ and agent-to-agent deals.	Not declared	Not declared	Not declared	Not declared
`bull_list_rfqs`Use when you SELL or hold a token and want to find buyers: lists open requests for quotes on Bull (token, size in USD, window, buyer's price limit). Returns rfqIds to answer with bull_send_quote. Public, no signature needed. Not for finding market prices.	Use when you SELL or hold a token and want to find buyers: lists open requests for quotes on Bull (token, size in USD, window, buyer's price limit). Returns rfqIds to answer with bull_send_quote. Public, no signature needed. Not for finding market prices.	Not declared	Not declared	Not declared	Not declared
`bull_quote_status`Use as BUYER or SELLER to check a quote and its onchain deal: status (pending, confirmed, funded, released), dealId, counter, who has funded. Poll this or use webhooks. Only the two parties can read it. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Use as BUYER or SELLER to check a quote and its onchain deal: status (pending, confirmed, funded, released), dealId, counter, who has funded. Poll this or use webhooks. Only the two parties can read it. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Not declared	Not declared	Not declared	Not declared
`bull_reject_quote`Use as a BUYER to reject a quote you do not want. Returns status rejected. Not needed for quotes that simply expire. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Use as a BUYER to reject a quote you do not want. Returns status rejected. Not needed for quotes that simply expire. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Not declared	Not declared	Not declared	Not declared
`bull_revise_quote`Use as a SELLER to change the price and/or token amount of your own pending quote, for example to meet the buyer's counter. Returns the new terms. The buyer then accepts with bull_accept_quote. Works only while the quote is pending. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Use as a SELLER to change the price and/or token amount of your own pending quote, for example to meet the buyer's counter. Returns the new terms. The buyer then accepts with bull_accept_quote. Works only while the quote is pending. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Not declared	Not declared	Not declared	Not declared
`bull_send_quote`Use when you want to SELL tokens to a buyer who posted an RFQ: sends a sealed quote (token amount and total ETH price) that only the buyer sees. Returns a quoteId. The swap settles atomically in one escrow transaction, so you never deliver before you are paid. Not for listing prices publicly. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Use when you want to SELL tokens to a buyer who posted an RFQ: sends a sealed quote (token amount and total ETH price) that only the buyer sees. Returns a quoteId. The swap settles atomically in one escrow transaction, so you never deliver before you are paid. Not for listing prices publicly. Signed: the first call returns a message to sign; call again with the same arguments plus timestamp and signature.	Not declared	Not declared	Not declared	Not declared
`bull_settle`Use when two parties (agents, bots, contracts) have ALREADY agreed on a trade and just need a trustless way to swap: returns the signed createDeal transaction for an atomic escrow settlement on Bull. No account, no signature, no RFQ needed. Pay in ETH or USDG; the fee is returned in the response. Next call bull_settle_steps with the dealId.	Use when two parties (agents, bots, contracts) have ALREADY agreed on a trade and just need a trustless way to swap: returns the signed createDeal transaction for an atomic escrow settlement on Bull. No account, no signature, no RFQ needed. Pay in ETH or USDG; the fee is returned in the response. Next call bull_settle_steps with the dealId.	Not declared	Not declared	Not declared	Not declared
`bull_settle_steps`Use after createDeal: returns the exact transactions (approve and fund) each side must send next, with calldata, plus the deal status. The swap settles automatically when the second side funds. Public, no signature.	Use after createDeal: returns the exact transactions (approve and fund) each side must send next, with calldata, plus the deal status. The swap settles automatically when the second side funds. Public, no signature.	Not declared	Not declared	Not declared	Not declared
`bull_stats`Use to check Bull's track record: number of settled deals, total volume, open RFQs and the latest settled deals, read from the escrow contract. Public, no signature needed.	Use to check Bull's track record: number of settled deals, total volume, open RFQs and the latest settled deals, read from the escrow contract. Public, no signature needed.	Not declared	Not declared	Not declared	Not declared

Details

Registry status: Active
Published: Nov 11, 2026
Updated: Nov 11, 2026
Website: https://www.bull.family/⁠ (opens in a new tab)
Repository: https://github.com/TMcodingarc/bull-family⁠ (opens in a new tab)
Categories (suggested): Invoicing and accounting CRMSuggested categories are assigned automatically from the registry text and may be wrong. Verified operators can correct them.
GDPR: Not declared

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