Discover / mcp.naxytra.com

naxytra

● Live

Keccak-256 hash (MCP tool "keccak256"), $0.01 USDC per call on Base mainnet ($0.001 on Base Sepolia), paid with x402; charged only if the call succeeds. Ethereum keccak256 of the input: returns the 32-byte digest and the 4-byte selector. encoding auto (default) hashes 0x-hex input as bytes and anything else as UTF-8 text; force utf8 or hex explicitly. The empty string is allowed. Up to 250000 bytes.

Claim this service

Listed price: $0.01
Chains: Base and Base Sepolia
Paid in: USDC
Live: 1 of 1 check

Endpoints

POSThttps://mcp.naxytra.com/mcp/http402

$0.01 asked in its payment challenge on 10 Nov 2026

curl -i -X POST 'https://mcp.naxytra.com/mcp/http402' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"keccak256","arguments":{"data":"transfer(address,uint256)"}},"jsonrpc":"2.0"}'

29 more endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the first endpoint's example. Other endpoints have not been checked individually.

Base URLhttps://mcp.naxytra.com/mcp/http402

POST/abi.decode$0.01
ABI-decode data (MCP tool "abi.decode"), $0.01 USDC per call on Base mainnet ($0.001 on Base Sepolia), paid with x402; charged only if the call succeeds. Decodes ABI-encoded hex for the given types (same type support as abi.encode). Strict: every length and offset is bounded by the data present, dirty padding bits and trailing bytes are rejected, and calldata with a 4-byte selector is flagged. Integers are returned as decimal strings, addresses checksummed.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/abi.decode' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"abi.decode","arguments":{"data":"0x00000000000000000000000000000000000000000000000000000000000f4240","types":["uint256"]}},"jsonrpc":"2.0"}'
```
POST/abi.encode$0.01
ABI-encode values (MCP tool "abi.encode"), $0.01 USDC per call on Base mainnet ($0.001 on Base Sepolia), paid with x402; charged only if the call succeeds. Solidity ABI encoding (like abi.encode): address, bool, uint8-256, int8-256, bytes1-32, bytes, string, dynamic T[] and fixed T[k] arrays, and tuples written (uint256,address), nested to any depth. Strict: exact 20-byte (checksum-valid) addresses, range-checked integers, exact bytesN length, JSON true/false for bool, JSO...
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/abi.encode' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"abi.encode","arguments":{"types":["address","uint256"],"values":["0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","1000000"]}},"jsonrpc":"2.0"}'
```
POST/address.validate$0.01
Validate an EVM address (MCP tool "address.validate"), $0.01 USDC per call on Base mainnet ($0.001 on Base Sepolia), paid with x402; charged only if the call succeeds. Checks an EVM address: format (0x + 40 hex), EIP-55 checksum (for mixed-case input), zero address, and returns the checksummed form.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/address.validate' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"address.validate","arguments":{"address":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"}},"jsonrpc":"2.0"}'
```
POST/ai.news-brief$0.005
AI crypto news brief (MCP tool "ai.news-brief"), $0.005 USDC per call on Base mainnet, paid with x402; charged only if the call succeeds. Live headlines from major crypto RSS + a compact AI-written brief on your topic. Run by Money Reactor — x402 paid APIs (founding provider) on the naxytra provider network.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/ai.news-brief' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"ai.news-brief","arguments":{}},"jsonrpc":"2.0"}'
```
POST/ai.research-pro$0.05
AI Research Pro — deep research mode (MCP tool "ai.research-pro"), $0.05 USDC per call on Base mainnet, paid with x402; charged only if the call succeeds. Multi-step LLM research with structured sections, sources and a verdict. The heavy tier of the AI suite for real diligence. Run by Money Reactor — x402 paid APIs (founding provider) on the naxytra provider network.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/ai.research-pro' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"ai.research-pro","arguments":{}},"jsonrpc":"2.0"}'
```
POST/ai.url-research$0.005
AI research on any URL (MCP tool "ai.url-research"), $0.005 USDC per call on Base mainnet, paid with x402; charged only if the call succeeds. Fetches the page, cleans HTML and answers your question with a grounded research brief. Run by Money Reactor — x402 paid APIs (founding provider) on the naxytra provider network.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/ai.url-research' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"ai.url-research","arguments":{}},"jsonrpc":"2.0"}'
```
POST/bounty.radar$0.005
Funded bounty radar (MCP tool "bounty.radar"), $0.005 USDC per call on Base mainnet, paid with x402; charged only if the call succeeds. Aggregated live funded bounties: Superteam Earn, GitHub, GitLab with prices and links. Run by Money Reactor — x402 paid APIs (founding provider) on the naxytra provider network.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/bounty.radar' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"bounty.radar","arguments":{}},"jsonrpc":"2.0"}'
```
POST/crypto.feargreed$0.005
Fear and Greed index (MCP tool "crypto.feargreed"), $0.005 USDC per call on Base mainnet, paid with x402; charged only if the call succeeds. Current crypto market sentiment 0-100 with 10-day history. Run by Money Reactor — x402 paid APIs (founding provider) on the naxytra provider network.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/crypto.feargreed' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"crypto.feargreed","arguments":{}},"jsonrpc":"2.0"}'
```
POST/crypto.market-pulse$0.005
Multi-asset price snapshot (MCP tool "crypto.market-pulse"), $0.005 USDC per call on Base mainnet, paid with x402; charged only if the call succeeds. Up to 25 symbols in one call, batch spot snapshot. Run by Money Reactor — x402 paid APIs (founding provider) on the naxytra provider network.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/crypto.market-pulse' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"crypto.market-pulse","arguments":{}},"jsonrpc":"2.0"}'
```
POST/crypto.news$0.005
Crypto news feed (MCP tool "crypto.news"), $0.005 USDC per call on Base mainnet, paid with x402; charged only if the call succeeds. Fresh headlines from Cointelegraph, Decrypt, NewsBTC. Run by Money Reactor — x402 paid APIs (founding provider) on the naxytra provider network.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/crypto.news' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"crypto.news","arguments":{}},"jsonrpc":"2.0"}'
```
POST/crypto.price$0.005
Spot crypto price (MCP tool "crypto.price"), $0.005 USDC per call on Base mainnet, paid with x402; charged only if the call succeeds. Live spot price for any COIN-USD pair from Coinbase. Run by Money Reactor — x402 paid APIs (founding provider) on the naxytra provider network.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/crypto.price' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"crypto.price","arguments":{}},"jsonrpc":"2.0"}'
```
POST/eip712.hash$0.01
EIP-712 typed-data hash (MCP tool "eip712.hash"), $0.01 USDC per call on Base mainnet ($0.001 on Base Sepolia), paid with x402; charged only if the call succeeds. Computes the EIP-712 digest, domain separator, struct hash and encodeType from domain, types, primaryType and message (what wallets sign, including the x402 USDC TransferWithAuthorization). Every field is type-checked; a missing field fails with missing_field:<path> (not charged).
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/eip712.hash' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"eip712.hash","arguments":{"types":{"Person":[{"name":"name","type":"string"},{"name":"wallet","type":"address"}]},"domain":{"name":"Example","chainId":8453,"version":"1"},"message":{"name":"Alice","wallet":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"},"primaryType":"Person"}},"jsonrpc":"2.0"}'
```
POST/gas.base$0.005
Base gas price (MCP tool "gas.base"), $0.005 USDC per call on Base mainnet, paid with x402; charged only if the call succeeds. Current Base gas, base fee and priority fee in gwei. Run by Money Reactor — x402 paid APIs (founding provider) on the naxytra provider network.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/gas.base' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"gas.base","arguments":{}},"jsonrpc":"2.0"}'
```
POST/html.to-text$0.01
HTML to plain text (MCP tool "html.to-text"), $0.01 USDC per call on Base mainnet ($0.001 on Base Sepolia), paid with x402; charged only if the call succeeds. Converts HTML to readable plain text: drops scripts/styles/comments and all attribute text, keeps paragraph and list structure, separates table cells with " | ", decodes numeric and common named entities, and returns the <title> separately. Input up to 250000 characters; single linear pass.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/html.to-text' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"html.to-text","arguments":{"html":"<h1>Release notes</h1><p>Paid per call, <b>settled on Base</b>.</p>"}},"jsonrpc":"2.0"}'
```
POST/json.validate$0.01
JSON Schema validation (MCP tool "json.validate"), $0.01 USDC per call on Base mainnet ($0.001 on Base Sepolia), paid with x402; charged only if the call succeeds. Validates a JSON payload (any JSON value, or JSON text as a string) against a JSON Schema and returns valid plus every error with its JSON Pointer path. Supported keywords: type, required, properties, additionalProperties, items/prefixItems, enum, const, minimum/maximum, exclusiveMinimum/exclusiveMaximum, multip...
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/json.validate' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"json.validate","arguments":{"schema":{"type":"object","required":["id","name"],"properties":{"id":{"type":"integer"},"name":{"type":"string"}}},"payload":"{\"id\": 7, \"name\": \"widget\"}"}},"jsonrpc":"2.0"}'
```
POST/keccak256$0.01
Keccak-256 hash (MCP tool "keccak256"), $0.01 USDC per call on Base mainnet ($0.001 on Base Sepolia), paid with x402; charged only if the call succeeds. Ethereum keccak256 of the input: returns the 32-byte digest and the 4-byte selector. encoding auto (default) hashes 0x-hex input as bytes and anything else as UTF-8 text; force utf8 or hex explicitly. The empty string is allowed. Up to 250000 bytes.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/keccak256' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"keccak256","arguments":{"data":"transfer(address,uint256)"}},"jsonrpc":"2.0"}'
```
POST/merkle.verify$0.01
Verify a Merkle proof (MCP tool "merkle.verify"), $0.01 USDC per call on Base mainnet ($0.001 on Base Sepolia), paid with x402; charged only if the call succeeds. Verifies a keccak256 Merkle proof. leaf, root and every proof entry must be 0x 32-byte hashes (hash_leaf:true keccak-hashes a raw leaf first). sorted:true (default) is OpenZeppelin MerkleProof (sorted pairs); sorted:false needs leaf_index or positions to order each pair. Up to 256 proof entries.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/merkle.verify' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"merkle.verify","arguments":{"leaf":"0x83544550a627be8563158c21f70e7fc79fc4185cde7cbca3dd469406a08b623f","root":"0x803060b0f6a41ad7573ec37cb9ea7ae355a73412ab447dce3947f6799096a130","proof":["0x263162b25514e5a51281ed4797f756b2d887d119c9c0f797e00e588b50363fc6"]}},"jsonrpc":"2.0"}'
```
POST/reply.draft$0.01
Reply draft skeleton (MCP tool "reply.draft"), $0.01 USDC per call on Base mainnet ($0.001 on Base Sepolia), paid with x402; charged only if the call succeeds. Builds a structured reply to a message: greeting to the sender (name detected from the sign-off, or sender_name), acknowledgement, every question and request found in the message listed with an answer placeholder, deadlines noted, and a tone-matched sign-off. Deterministic template: it organizes the reply but does n...
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/reply.draft' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"reply.draft","arguments":{"text":"Hi, could you send over the October invoice when you get a chance? Thanks, Sam","tone":"warm"}},"jsonrpc":"2.0"}'
```
POST/summarize$0.01
Summarize text (extractive) (MCP tool "summarize"), $0.01 USDC per call on Base mainnet ($0.001 on Base Sepolia), paid with x402; charged only if the call succeeds. Extractive summary: returns the first sentences of the text (default 3, up to 10) capped at max_chars (default 600, 50-2000), taken from the first 4000 characters. Deterministic; it does not paraphrase. `truncated` is true when the source was longer than the considered window.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/summarize' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"summarize","arguments":{"text":"naxytra runs paid agent tools over MCP. Each call is priced in USDC and settled on Base with x402. A signed delivery receipt states what was served. Nothing is charged when a call fails.","max_sentences":2}},"jsonrpc":"2.0"}'
```
POST/text.chunk$0.01
Chunk text for RAG (MCP tool "text.chunk"), $0.01 USDC per call on Base mainnet ($0.001 on Base Sepolia), paid with x402; charged only if the call succeeds. Splits text into chunks of at most max_chars (100-20000, default 2000) preferring paragraph, line, sentence and word boundaries, with optional overlap (up to half of max_chars). Sizes are UTF-16 code units; surrogate pairs (emoji) are never split. Input up to 250000 characters.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/text.chunk' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"text.chunk","arguments":{"text":"Agents discover tools, pay per call and get a signed receipt. Long documents are split into chunks so each fits a model context window. Overlap keeps sentences that straddle a boundary readable.","max_chars":100}},"jsonrpc":"2.0"}'
```
POST/text.extract$0.01
Extract entities from text (MCP tool "text.extract"), $0.01 USDC per call on Base mainnet ($0.001 on Base Sepolia), paid with x402; charged only if the call succeeds. Extracts emails, URLs (trailing punctuation stripped), IPv4 addresses, EVM addresses, transaction hashes, @mentions, #hashtags, prices, ISO/slash dates and phone numbers (dates, IPs and plain numbers are not reported as phones). Input up to 200000 characters; linear-time.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/text.extract' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"text.extract","arguments":{"text":"Email [email protected] by 2026-12-01 about invoice INV-1042 for $120.50, or see https://example.com/billing."}},"jsonrpc":"2.0"}'
```
POST/token.honeypot$0.005
Repo honeypot trust score (MCP tool "token.honeypot"), $0.005 USDC per call on Base mainnet, paid with x402; charged only if the call succeeds. Trust scoring for GitHub repos: activity, signals, red flags for agent safety. Run by Money Reactor — x402 paid APIs (founding provider) on the naxytra provider network.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/token.honeypot' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"token.honeypot","arguments":{}},"jsonrpc":"2.0"}'
```
POST/token.verdict$0.005
Token safety verdict (Base) (MCP tool "token.verdict"), $0.005 USDC per call on Base mainnet, paid with x402; charged only if the call succeeds. On-chain liquidity, holder and pair data from DexScreener, graded A-F with reasons. Run by Money Reactor — x402 paid APIs (founding provider) on the naxytra provider network.
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/token.verdict' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"token.verdict","arguments":{}},"jsonrpc":"2.0"}'
```
POST/tx.status$0.02
Transaction status on Base (MCP tool "tx.status"), $0.02 USDC per call on Base mainnet ($0.002 on Base Sepolia), paid with x402; the result carries a signed attestation; charged only if the call succeeds. Looks up a transaction by hash on Base mainnet (default) or Base Sepolia: success/failed/pending, block, confirmations, from, to, value and gas. network accepts eip155:8453, base, 8453, eip155:84532, base-sepolia, 84532. A hash unknown to the chain is reported clearly as...
Example
```
curl -i -X POST 'https://mcp.naxytra.com/mcp/http402/tx.status' \
  -H 'Content-Type: application/json' \
  -d '{"id":1,"method":"tools/call","params":{"name":"tx.status","arguments":{"tx_hash":"0xe6e13af74da3bb29b1bfbf016c72634965aef80a9025d7fe16db13002537a43c"}},"jsonrpc":"2.0"}'
```

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Showing 25 of 30 endpoints. Next endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/mcp.naxytra.com

Recent checks

10 Nov 2026Taller is slower; grey is not live.10 Nov 2026

Median response: 191 ms
Last checked: 10 Nov, 12:25 UTC
In our index since: 10 Nov 2026

Our probes look for a payment challenge. They don't test payment or delivery.

All 1 checks

When (UTC)	Result	HTTP	Response
10 Nov, 12:25 UTC	Live	402	191ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 10 Nov, 12:25 UTC, it returned HTTP 402 or another detected payment-challenge signal.

What payment terms does naxytra advertise?

The listing advertises x402, Base, Base Sepolia and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

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