io.github.Kali123411/k402

up checked 2026-11-11T08:38:36.338Z

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Publisher-provided description

Agent-payable APIs on Kaspa: LLMs, chain data, covenants, zk proofs — pay per call, no API key

Summary by lookupd

Pay-per-call access to LLM text tools, Kaspa chain data, covenant tooling and payment channels, settled on-chain without API keys.

Install

Claude Code, remote (streamable-http)

claude mcp add --transport http k402 https://x402-compute.68cxgfyr0.workers.dev/mcp

Claude Code, pypi package (stdio)

claude mcp add k402 -- uvx k402-mcp

Codex, remote (streamable-http)

codex mcp add k402 --url https://x402-compute.68cxgfyr0.workers.dev/mcp

Codex, pypi package (stdio)

codex mcp add k402 -- uvx k402-mcp

Cursor, remote (streamable-http) → .cursor/mcp.json

{
  "mcpServers": {
    "k402": {
      "url": "https://x402-compute.68cxgfyr0.workers.dev/mcp"
    }
  }
}

Cursor, pypi package (stdio) → .cursor/mcp.json

{
  "mcpServers": {
    "k402": {
      "command": "uvx",
      "args": [
        "k402-mcp"
      ]
    }
  }
}

Other clients: docs. Or tell your agent: Set up lookupd for me: read https://lookupd.com/agent.md and follow it.

Tools (showing 30 of 36)

Publisher-provided text

• catalog List every service this gateway sells (text tools, Kaspa chain data, LLM tiers) with live prices in KAS and USD. Free. Start here to see what's available an
• open_session Open a prepaid payment session: returns a session key and a personal Kaspa MAINNET deposit address. Send KAS to the address from any wallet (min 0.25 KAS);
• use_session Attach an existing k402 session key (from a previous open_session) so paid calls meter against its balance — use after reconnecting to the hosted endpoint,
• session_status Check the current payment session: deposit address, deposited / spent / remaining KAS. Free.
• registry_search Discover providers in the k402 service exchange — an open marketplace of agent-payable services, each settled trustlessly over a Kaspa payment channel direc
• registry_provider Full detail on one provider in the service exchange by its payee pubkey: every service it lists, its chain-verified reputation (settled KAS volume + settlem
• channel_config Parameters for opening a kaspa-channel — a covenant-enforced payment channel that settles per-call vouchers on Kaspa L1 with NO custodian (the trustless alt
• channel_status Status of a kaspa-channel by its channel id (covenant id): funded value, amount spent via vouchers, remaining, expiry, and whether it has been closed on-cha
• payment_options Which coins and schemes this gateway accepts for payment. Free. Ways to pay any paid tool: a prepaid KAS session (open_session — simplest, no per-call step)
• pay_per_call Complete a PER-CALL coin payment. After a paid tool returns a 402 with pay_per_call_offers, pay one offer on-chain from your own wallet, then call this with
• summarize Summarize text or a public URL in at most max_words. Paid (~$0.001 in KAS).
• extract Extract structured data from text as JSON guaranteed to match your JSON schema (schema-constrained decoding, not best-effort). Paid (~$0.0015 in KAS).
• rewrite Rewrite text per an instruction (tone, format, length...). Paid (~$0.001 in KAS).
• classify Classify text into one (or multiple, if multi=true) of 2-32 labels; the result is constrained to your label set. Paid (~$0.0003 in KAS).
• read_url Fetch a public web page and return its title + clean markdown; distill=true adds key-fact bullets. Useful when you have no web access of your own. Paid (~$0
• embed_text Embed up to 64 texts (768-dim vectors, nomic-embed-text). Paid (~$0.0003 in KAS).
• search_index Store documents [{id, text, meta?}] in a named server-side collection for semantic search. Use an unguessable collection name and keep it secret. Paid (~$0.
• search_query Semantic-search a collection you indexed earlier; returns top-k matches with scores. Paid (~$0.0003 in KAS).
• kaspa_balance Balance of any Kaspa MAINNET address, straight from a node (no indexer, no API key). Paid (~$0.00015 in KAS).
• kaspa_utxos UTXO set of a Kaspa mainnet address, including scriptPublicKey and covenant_id where set. Paid (~$0.0003 in KAS).
• kaspa_tx_status Mempool status of a Kaspa transaction. Absent from mempool means accepted-or-unknown — confirm acceptance by checking one of its outputs with kaspa_utxos. P
• kaspa_fee_estimate Current Kaspa mainnet feerate buckets (sompi per gram of tx mass). Paid (~$0.00015).
• kaspa_network Kaspa mainnet status: DAA score, block count, difficulty, node sync state. Paid (~$0.00015 in KAS).
• generate Run a prompt on a GPU model tier: 'chat' (fast 7B, ~$0.0015), 'llama' (budget 8B, ~$0.0008), 'reason' (35B, ~$0.004), 'think' (deep chain-of-thought 35B MoE
• covenant_compile Compile a Silverscript covenant to script hex, ABI, hardened template hash, and its P2SH address on each network. constructor_args is the silverc ctor JSON
• covenant_address Derive the covenant P2SH address for a compiled script on 'mainnet' or 'testnet-10'. Paid (~$0.0003).
• covenant_utxos Live UTXO set locked under a covenant address (covenant state inspection), from the node. Optionally filter by covenant_id. Paid (~$0.0003).
• covenant_build Assemble a covenant spend tx. Each input: {txid, index, entry, compute_budget?, and either sigscript:{source,decl,args,is_leader?} to build a covenant sigsc
• covenant_check Local txscript pre-verify of a signed covenant tx BEFORE broadcast — catches script failures that would otherwise cost you a broadcast. 'entries' are the sp
• covenant_broadcast Broadcast a signed covenant tx (RpcTransaction JSON from covenant_build). MAINNET moves real KAS — run covenant_check first. Paid (~$0.0003).

Details

• Version: 0.7.0
• Transports: streamable-http, stdio
• Uptime (7 days): 100%
• Median latency: 690 ms
• First indexed: 2026-11-01T09:11:14.261Z
• Last seen in registry: 2026-11-01T09:11:14.417Z

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