MCP server

Ontario Protocol Official

com.ontarioprotocol/ontario-protocol

Checked 26 Oct 2026, 08:29 UTC · Connected to it and listed its tools

Find live x402 APIs for any task (0.005 USDC, no match no charge); Base balance, tx and gas reads.

Website Source

At a glance

Type

MCP server

Publisher

ontarioprotocol.com (verified by the MCP Registry)

Status

Working at last check

Tools

20

Token cost

About 7,930 tokens per request

Sets up in

Claude Code, Claude Desktop, Codex, Gemini CLI, Cursor, VS Code, Antigravity, ChatGPT, OpenAI API, Grok

Last checked

26 Oct 2026, 08:29 UTC

Connect it to your agent

Add to CursorAdd to VS CodeVS Code Insiders

Opens the app, which shows the server and asks you to confirm. For other apps, copy the setup below.

Claude Code

claude mcp add --transport http ontario-protocol https://ontarioprotocol.com/mcp

Claude Desktop

Settings → Connectors → Add custom connector, and paste the URL.

Codex (config.toml)

[mcp_servers.ontario-protocol]
url = "https://ontarioprotocol.com/mcp"

Gemini CLI

{"mcpServers":{"ontario-protocol":{"httpUrl":"https://ontarioprotocol.com/mcp"}}}

Cursor

{"mcpServers":{"ontario-protocol":{"url":"https://ontarioprotocol.com/mcp"}}}

VS Code

{"servers":{"ontario-protocol":{"type":"http","url":"https://ontarioprotocol.com/mcp"}}}

Antigravity

agy mcp add ontario-protocol https://ontarioprotocol.com/mcp

ChatGPT

Settings → Apps & Connectors → Advanced settings: turn on Developer mode, then Create a connector and paste the URL. Which plans can do this varies.

OpenAI API (Responses tools)

{"type":"mcp","server_label":"ontario-protocol","server_url":"https://ontarioprotocol.com/mcp","require_approval":"always"}

Grok (xAI API tools)

{"type":"mcp","server_label":"ontario-protocol","server_url":"https://ontarioprotocol.com/mcp"}

Tools

• agent_can_pay Moves money · ~293 tokens
  Free pre-payment policy decision: allow, review, or deny for one x402 endpoint under strict, standard, or permissive policy, with reasons and report evidence. require_audit_receipt adds a handoff to the optional settlement-backed receipt.
• agent_trust_preview ~173 tokens
  Free live, rate-limited agent trust preview for one public endpoint. Returns safe signals and issues without the paid evidence bundle or attestation; the paid trust scan adds them.
• bazaar_buyer_intent_gap ~343 tokens
  Free read-only provider audit that runs Coinbase's indexing preflight and measures one public x402 endpoint across five live CDP Bazaar buyer-search variations. Returns retrieval coverage, observed sample ranks, alternatives, public 30-day call and unique-payer observations, Base USDC price bands, H
• find_x402_tool ~373 tokens
  Free buyer-side search across Ontario's fresh strict-ready paid profiles, Agentic Market, and Coinbase CDP Bazaar. Returns unverified marketplace candidates ranked by task relevance plus bounded source-reported recent activity, with optional Base/USDC budget filtering; nothing is probed, so listings
• github_x402_repo_scan ~139 tokens
  Free pre-deployment scan of one public GitHub repository for x402 implementation, HTTP 402 tests, payment configuration, buyer documentation, discovery metadata, CI gates, and sensitive filenames. Returns paths and remediation, never source contents.
• ontario_base-balances ~358 tokens
  What does this Base wallet hold? ETH, USDC and about 25 widely held Base tokens, plus up to 20 ERC-20 contracts you name, with symbol, decimals, raw and formatted amounts and the block number read, live from Base RPC. Required: address. $0.002 USDC on Base. Failed read, no charge. No account, no API
• ontario_base-gas ~340 tokens
  What does a Base transaction cost right now? Base fee, priority-fee p25/p50/p90 over the last 20 blocks, suggested maxFeePerGas and maxPriorityFeePerGas for slow, normal and fast inclusion, an L1 data-fee upper bound, and estimated total cost in wei for an ETH transfer and an ERC-20 transfer, read l
• ontario_base-tx-check ~418 tokens
  Did this Base payment settle? Status, block, timestamp and confirmations for one transaction hash, with its ERC-20 Transfers decoded (token, from, to, amount; up to 100 listed, transfers_total gives the full count) and any EIP-3009 authorization used, plus match flags for an optional expected payTo
• ontario_find-api ~406 tokens
  Which x402 API should my agent call? Live API finder for any task. Required: task. Returns up to 5 paid APIs that answered a fresh unpaid probe with a valid Base USDC 402, ranked by task fit, price and Bazaar-reported repeat buyers, each with live price, network and a ready-to-call request. Provider
• ontario_list-agent ~385 tokens
  Submits a public directory listing for an agent the caller owns. Payload validation is free; payment does not guarantee approval, traffic, ranking, or safety. [PAID: 0.10 USDC via x402 on Base. Two-step flow: a call without payment returns MCP PaymentRequired; the retry carries the signed PaymentPay
• ontario_list-service ~1071 tokens
  Publish a provider-owned x402 API so AI agents can discover and buy it. After free validation and a Bazaar buyer-intent audit, the 0.50 USDC Launch Passport creates a signed public HTML/JSON profile, readiness and Coinbase indexing evidence, a five-query retrieval snapshot, badge, copy-ready MCP/cat
• ontario_purchase_router Moves money · ~734 tokens
  Free deterministic routing of one public task to Ontario's free and paid tools. Returns the matching tool and a decision (free_only, run_free_preflight, or paid_recommended with the tool's price, network and budget check). Natural endpoint-verification tasks route to the free readiness verifier, wit
• ontario_refresh-listing ~319 tokens
  Attaches a fresh live readiness observation to an existing paid Ontario provider profile's canonical HTML, JSON twin, and badge. This tool cannot edit provider metadata, improve a grade by payment, or buy ranking or traffic. Freshness maintenance is automatic and included during the launch passport'
• ontario_task_fit ~542 tokens
  Free task-to-tool matching with an optional Jev second opinion. With allow_typesafe=true, your public task and Ontario's public tool descriptions are sent to TypeSafe for Jev inference. Do not supply secrets, personal data, private URLs, or customer content. Ontario does not persist task text here.
• ontario_validate-agent ~244 tokens
  Validate an agent listing payload for free before publication. Never publishes, signs or spends.
• ontario_validate-refresh ~140 tokens
  Check an existing paid provider profile's refresh eligibility for free, including cooldown. Never refreshes, signs or spends.
• ontario_validate-service ~951 tokens
  Free provider listing preflight. Validate public service metadata before buying the 0.50 USDC Ontario launch passport. Returns field errors or a normalized request and publication decision. Set verify_now only to create a public readiness report. Never publishes a listing, signs or spends; a valid p
• x402_launch_kit ~447 tokens
  Generate a validated listing payload, x402 resource draft, MCP descriptor, GitHub readiness workflow, README snippet, and registry copy for one paid endpoint.
• x402_readiness_verify ~180 tokens
  Free check for whether a paid endpoint is ready for agent discovery and x402 payment. Returns a readiness grade, a free end-to-end buyer-path diagnostic handoff and a grade-aware provider handoff that states whether the endpoint is ready-grade for the optional 0.50 USDC publication and links the fre
• x402_verification_reports ~74 tokens
  Public ledger of recent x402 readiness reports.

Browse

• GitHub tools
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