Byte Protocol
PayPerByte — per-byte data for AI agents: x402 USDC on Base, EIP-712-attested.
Connector by 0rkz · GitHub account verified by the MCP Registry
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Install
Works with Claude Code, VS Code, Codex, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.
npx agentmarket install connector/0rkz-byte-protocol
Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.
Remote endpoint
https://mcp.payperbyte.io/mcpRemote (HTTP)
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About
Reviews
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Permissions
What this server can do and what it asks for, from its tool list, install config and code. Checked Nov 2, 2026.
- Tools
- 9 read · 4 write · 2 delete
- Secrets
- 1 (API keys, tokens or passwords)
- Install scripts
- None found
- Runs as
- Node.js package
Tools by what they do 15
From the running server's own tool list (tools/list) on Oct 25, 2026.
Read 9 · Look things up without changing anything.
byte_check_subscriptionbyte_get_network_statsbyte_get_publisherbyte_get_token_balancesbyte_list_feedsbyte_list_my_subscriptionsbyte_search_publishersbyte_subscription_healthbyte_verify_payload
Write 4 · Create, change, send or run things.
byte_buy_databyte_query_factbyte_subscribebyte_unsubscribe
Delete 2 · Delete, drop, revoke or wipe things.
byte_publish_databyte_register_publisher
Secrets and settings it asks for
Secrets: values you paste in that let it act as you.
PRIVATE_KEY
Other settings (environment variables or headers).
BYTE_GATEWAY_ATTESTERRPC_URL
Network hosts it talks to 8
api.payperbyte.io· found in codefeeds.payperbyte.io· found in codegithub.com· found in codeglama.ai· found in codemcp.payperbyte.io· found in remote endpoint, install command, codepayperbyte.io· found in codesepolia-rollup.arbitrum.io· found in codex402.payperbyte.io· found in code
Tools (15)
As the server listed them on Oct 25, 2026. Descriptions are the server’s own words; hidden characters are shown as [U+…].
byte_buy_dataBuy dataBuy a single data packet from any PayPerByte feed via the x402 payment gateway. No subscription, no allowance, no prior on-chain setup — pay-per-call USDC settlement. The MCP server signs an EIP-3009 transferWithAuthorization on behalf of the wallet whose PRIVATE_KEY is configured, the x402 facilitator submits the tx, and the data comes back inline with the on-chain settlement tx hash. Use byte_subscribe instead if you want a continuous stream of broadcasts from a publisher. The catalog of available feed slugs lives at https://x402.payperbyte.io/feeds (free GET). GET data feeds (weather, earth…
byte_check_subscriptionCheck subscriptionread-onlyCheck if an address is subscribed to a specific publisher on PayPerByte.
byte_get_network_statsGet network statsread-onlyGet PayPerByte network-wide statistics: total publishers, messages streamed, and total subscriber fees settled in USDC.
byte_get_publisherGet publisher inforead-onlyGet on-chain info for a specific PayPerByte publisher: status, subscriber and message counts, USDC revenue, and the registered schema (size bounds, cadence, price-per-KB).
byte_get_token_balancesGet token balancesread-onlyGet USDC and ETH balances for an address on Arbitrum Sepolia (the on-chain testnet layer — MockUSDC settles subscriptions and fact-oracle queries there). Does NOT show the Base-mainnet USDC balance that byte_buy_data spends.
byte_list_feedsList feedsread-onlyList all active data feeds in the PayPerByte catalog with topics, price-per-call, and frequency (pricePerKB is a deprecated alias).
byte_list_my_subscriptionsList my subscriptionsread-onlyList every active subscription for a given wallet address. Each entry has the publisher address, topic, status, when you subscribed, messages received in 7/30 days, USDC spent in 7/30 days, and the timestamp of the last message received. Use this to see what you're currently paying for and decide whether to unsubscribe.
byte_publish_dataPublish datacan change or delete dataPublish data to a subscriber via the PayPerByte DataStream contract. Hashes the payload, records size on-chain, and settles the fee in USDC. Requires PRIVATE_KEY.
byte_query_factQuery factQuery a PayPerByte fact-oracle publisher for a signed answer with citations. Posts the question to a registered fact-oracle publisher (topic='fact-oracle'), waits for the on-chain BroadcastStreamed response, and returns the answer plus structured citation URLs. The signed receipt proves which publisher produced the answer (provenance + tamper-evidence), NOT that the answer is correct — ground your output in the cited sources, not in a truth guarantee. Availability: this requires a registered fact-oracle publisher actively broadcasting; if none is live the call returns a timeout rather than an …
byte_register_publisherRegister publishercan change or delete dataRegister as a data publisher on PayPerByte. Registers a schema and the publisher on-chain. Requires PRIVATE_KEY. PayPerByte v1 publishers are first-party and unstaked — leave stake at '0'; a non-zero USDC stake is approved to DataRegistry first if you choose to post one.
byte_search_publishersSearch publishersread-onlySearch PayPerByte publishers by topic and sort order. Returns publisher addresses, topics, subscriber counts, message counts, and price-per-KB.
byte_subscribeSubscribeSubscribe to a PayPerByte publisher's data feed. By default also sets USDC allowance to DataStreamLib to type(uint256).max so the subscription doesn't silently lose payments when allowance depletes (the contract's allowance-skip path emits DataStreamed with amount=0 on transferFrom failure rather than reverting). Pass skipAllowance: true to opt out and set a finite cap manually. Requires PRIVATE_KEY.
byte_subscription_healthSubscription healthread-onlyGet the content-drift signal for a publisher. Compares their last 7 days of publishing activity (cadence, message count) against their 23-day baseline (days 8-30). Returns 'stable' (steady publishing), 'moderate' (20-50% cadence shift or 24-48h silence), 'significant' (>50% shift or >48h silence), or 'unknown' (new publisher, insufficient baseline). Use this to detect when a publisher you subscribe to has pivoted content or gone dormant.
byte_unsubscribeUnsubscribeUnsubscribe from a publisher's data feed. Takes effect next block: no more billing, no more data flow. Reversible — you can resubscribe later via byte_subscribe. Use this when a publisher has pivoted content (check with byte_subscription_health first) or when you simply don't want the feed anymore. Requires PRIVATE_KEY for the connected wallet.
byte_verify_payloadVerify payload (verify-before-act)read-onlyVerify-before-act: confirm a data payload an agent is about to act on actually matches what the publisher cryptographically attested to on-chain. Recomputes keccak256 of the received bytes and compares it to the on-chain EIP-712 PayloadAttestation hash. ALWAYS call this on BYTE-sourced data before acting on it; if verified=false the bytes were tampered/corrupted in transit and MUST NOT be used. Anchor the check with EITHER expectedHash (an on-chain payloadHash you already hold, e.g. from byte_query_fact / byte_buy_data) OR txHash (the settlement tx — also recovers the attestation signer and co…
Signals
- Stars
- 1
- Forks
- 0
- Open issues
- 1
- Last commit
- Sep 13, 2026 (1 month ago)
- Last release
- Sep 13, 2026 (1 month ago)
From GitHub (fetched Oct 24, 2026).
Details
- Registry name
io.github.0rkz/byte-protocol- Version
- 0.13.0
- Auth
- Auth not stated, API key
- Packages
- npm byte-mcp-server
- License
- MIT
- Repository
- github.com/0rkz/byte-mcp-server
- First seen
- Oct 24, 2026
- Last checked
- Nov 1, 2026
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Cite this page
Byte Protocol MCP server. Agent Mart. https://agentmart.dev/connectors/0rkz-byte-protocol (last updated 2026-11-01)