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实测可用开发和代码区块链

SALT19 Agent Utility Grid

MCP/x402 tools with bounded decisions, adaptive pricing, and Proof402 machine-commerce receipts.

地址https://api.salt19.com/mcp
Claude Codeclaude mcp add --transport http salt19-agent-utility-grid https://api.salt19.com/mcp
Cursor 等客户端的配置
{
  "mcpServers": {
    "salt19-agent-utility-grid": {
      "type": "http",
      "url": "https://api.salt19.com/mcp"
    }
  }
}
测试结果
实测可用：握手成功
工具
33 个工具
握手用时
877 毫秒
传输方式
streamable-http · 2025-06-18
测试时间
2026 年 11 月 6 日
官方目录名称
io.github.GabrielAllit1/salt19-agent-utility-grid v0.5.1
登记于
2026 年 9 月 13 日
更新于
2026 年 9 月 13 日
网站
salt19.com/agent-utility-grid/
最近 1 次测试
时间结果用时
2026-11-06 12:26 UTC握手成功877 毫秒

它列出的 33 个工具

“只读”和“会改数据”是服务方自己标的。带下划线的参数是必填的。

  1. agent-claim-output-verifier

    Agent Claim Output Verifier

    Map an autonomous agent claim or output to supplied evidence and return SUPPORTED, PARTIALLY_SUPPORTED, NOT_PROVEN, or CONTRADICTED with explicit unsupported elements, contradictions, missing evidence, and recommended verification. Price: $0.50 via x402. Generate one _salt19_operation_id per intended purchase, preserve it across retries, and add _x402_payment_signature after satisfying the challenge. A stable _salt19_operation_id is required and makes semantic retries at-most-once.

    claim evidence context required_standard _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  2. agent-code-change-risk-gate

    Agent Code Change Risk Gate

    Static pre-merge risk gate for autonomous code changes: inspect a supplied unified diff for security-sensitive surfaces, destructive operations, architecture/constraint conflicts, test requirements, rollback risk, and bounded breaking-change risk before an agent merges or deploys. Price: $1.25 via x402. Generate one _salt19_operation_id per intended purchase, preserve it across retries, and add _x402_payment_signature after satisfying the challenge. A stable _salt19_operation_id is required and makes semantic retries at-most-once. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    diff constraints context _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  3. agent-decision-preflight

    Agent Decision Preflight

    Before an autonomous coding agent installs or adopts software, return a bounded GO, WARN, or BLOCK decision with evidence and a portable SALT19 verification receipt. Price: $0.50 via x402. Generate one _salt19_operation_id per intended purchase, preserve it across retries, and add _x402_payment_signature after satisfying the challenge. A stable _salt19_operation_id is required and makes semantic retries at-most-once. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    decision_type target constraints _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  4. agent-plan-verifier

    Agent Plan Verifier

    Verify an autonomous agent plan before execution for missing preconditions, destructive steps, unsafe ordering, goal misalignment, constraint violations, and repair actions, returning a bounded GO/WARN/BLOCK result. Price: $0.75 via x402. Generate one _salt19_operation_id per intended purchase, preserve it across retries, and add _x402_payment_signature after satisfying the challenge. A stable _salt19_operation_id is required and makes semantic retries at-most-once. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    goal plan constraints _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  5. base-contract-state

    Base Contract State

    Inspect whether a Base address currently has deployed bytecode and return code size plus best-effort ERC-20 metadata. Price: $0.01 via x402. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    address _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  6. base-token-allowance

    Base Token Allowance

    Read a live ERC-20 allowance on Base for an owner/spender pair without an API key. Returns the current block and raw token units. Price: $0.01 via x402. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    token_address owner spender _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  7. base-token-balance

    Base Token Balance

    Read a live ERC-20 token balance on Base and return raw units plus best-effort token decimals/symbol metadata without signup or an API key. Price: $0.01 via x402. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    token_address owner _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  8. base-transaction-status

    Base Transaction Status

    Check current Base transaction receipt state and return PENDING, CONFIRMED_SUCCESS, or CONFIRMED_REVERTED with block and gas evidence. Price: $0.01 via x402. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    transaction_hash _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  9. base-wallet-balance

    Base Wallet Balance

    Read a wallet's live native ETH balance on Base at the latest block without an API key. Price: $0.01 via x402. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    address _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  10. commerce-decision

    Commerce Decision

    Before an autonomous agent pays an x402 challenge, bind the request, accepted payment offer, and machine spending policy into a deterministic GO/WARN/BLOCK decision with SHA-256 commitments. Price: $0.02 via x402. Generate one _salt19_operation_id per intended purchase, preserve it across retries, and add _x402_payment_signature after satisfying the challenge. A stable _salt19_operation_id is required and makes semantic retries at-most-once. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    request payment_required policy _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  11. commerce-receipt

    Commerce Receipt

    Verify an x402 commercial state and persist a signed Ed25519 Proof402 receipt whose Commerce State Root commits request, offer, policy, payment, settlement, and delivery evidence; receipts are later Merkle-batched for public inclusion proofs. Price: $0.05 via x402. Generate one _salt19_operation_id per intended purchase, preserve it across retries, and add _x402_payment_signature after satisfying the challenge. A stable _salt19_operation_id is required and makes semantic retries at-most-once. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    request payment_required payment_payload settlement policy delivery expected_delivery target_salt19_operation_id _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  12. commerce-verify

    Commerce Verify

    Verify that an x402 v2 payment payload, settlement evidence, original request, accepted offer, spending policy, and delivered response are mutually bound; SALT19 operations can additionally be checked against authoritative D1 commercial state. Price: $0.03 via x402. Generate one _salt19_operation_id per intended purchase, preserve it across retries, and add _x402_payment_signature after satisfying the challenge. A stable _salt19_operation_id is required and makes semantic retries at-most-once. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    request payment_required payment_payload settlement policy delivery expected_delivery target_salt19_operation_id _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  13. dependency-go-no-go

    Dependency Go No Go

    Dependency approval decision for coding agents: decide whether an npm dependency or package is safe to install or adopt and return GO, WARN, or BLOCK using vulnerabilities, security, license, maintenance, deprecation, and package metadata. Price: $0.25 via x402. Generate one _salt19_operation_id per intended purchase, preserve it across retries, and add _x402_payment_signature after satisfying the challenge. A stable _salt19_operation_id is required and makes semantic retries at-most-once. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    package version _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  14. dependency-upgrade-go-no-go

    Dependency Upgrade Go No Go

    Compare current and target npm versions and return GO/WARN/BLOCK plus UPGRADE/DEFER/BLOCK guidance, bounded semver risk, OSV security implications, recommended tests, and explicit NOT_PROVEN runtime, peer, migration, and ecosystem compatibility boundaries. Price: $0.20 via x402. Generate one _salt19_operation_id per intended purchase, preserve it across retries, and add _x402_payment_signature after satisfying the challenge. A stable _salt19_operation_id is required and makes semantic retries at-most-once.

    package current_version target_version runtime framework constraints _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  15. find-salt19-tool只读

    Find the Best SALT19 Tool

    FREE START-HERE ROUTER. Describe the fresh external fact, live state, developer intelligence, or bounded decision you need. Returns the best current SALT19 tool, live price, schema, alternatives, and exact x402 preflight next step. No payment is required for routing.

    need max_price_usd prefer_fresh_state

  16. github-repo-facts

    Github Repo Facts

    Return current public GitHub repository facts such as archive state, license, stars, forks, branch and latest push without the premium adoption decision. Price: $0.01 via x402. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    repo _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  17. github-repo-preflight

    Github Repo Preflight

    GitHub repository due diligence for coding agents: evaluate whether a public or open-source repository is safe and maintained enough to adopt using license, maintenance, release freshness, activity, project health, and risk signals. Price: $0.10 via x402. Generate one _salt19_operation_id per intended purchase, preserve it across retries, and add _x402_payment_signature after satisfying the challenge. A stable _salt19_operation_id is required and makes semantic retries at-most-once. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    repo _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  18. model-memory-fit

    Model Memory Fit

    Can this AI model run on my graphics card? Estimate model memory requirements and check whether a quantized LLM fits available GPU VRAM before loading or local inference. Price: $0.05 via x402. Generate one _salt19_operation_id per intended purchase, preserve it across retries, and add _x402_payment_signature after satisfying the challenge. A stable _salt19_operation_id is required and makes semantic retries at-most-once. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    parameter_count_b quantization_bits vram_gb runtime_overhead_ratio _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  19. npm-package-facts

    Npm Package Facts

    Return live npm registry facts for the latest or requested package version without the higher-priced vulnerability and adoption decision layer. Price: $0.01 via x402. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    package version _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  20. npm-package-intel

    Npm Package Intel

    Check whether an npm package is deprecated or vulnerable before installing it, including vulnerabilities, license, maintenance, freshness, dependency health, and package.json risk signals. Price: $0.05 via x402. Generate one _salt19_operation_id per intended purchase, preserve it across retries, and add _x402_payment_signature after satisfying the challenge. A stable _salt19_operation_id is required and makes semantic retries at-most-once. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    package version _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  21. nws-active-alerts

    Nws Active Alerts

    Return current U.S. National Weather Service active alerts for a state or territory as compact structured JSON. Price: $0.01 via x402. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    area limit _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  22. repo-adoption-go-no-go

    Repo Adoption Go No Go

    Repository adoption decision for autonomous coding agents using public GitHub maintenance, archive, license, and repository-health evidence, with explicit UNKNOWN and NOT_PROVEN boundaries for dependency, security, compatibility, integration, and project-fit claims. Price: $0.35 via x402. Generate one _salt19_operation_id per intended purchase, preserve it across retries, and add _x402_payment_signature after satisfying the challenge. A stable _salt19_operation_id is required and makes semantic retries at-most-once. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    repo _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  23. report-payment-capability

    Report x402 Payment Capability

    Free cooperative telemetry tool for reporting whether a client can use x402/Base/USDC or why it declined. Never submit private keys, payment signatures, or secret wallet material.

    product supports_x402 supported_networks supported_assets wallet_available autonomous_spend_allowed max_purchase_usd decline_reason session_id

  24. report-x402-authorization-progress

    Report x402 Authorization Progress

    Free cooperative telemetry for the local buyer authorization path. Report stage metadata only; never include private keys, seed phrases, raw signatures, or PAYMENT-SIGNATURE values.

    handoff_id stage signer_available signer_kind sdk error_code client_timestamp

  25. salt19-pricing只读

    SALT19 Live Pricing

    FREE catalog/pricing surface. Returns current discoverable SALT19 products, live x402 prices, schemas, and Fresh-State acquisition roles so an agent can budget before choosing a paid call.

    max_price_usd tier

  26. sec-company-facts

    Sec Company Facts

    Return selected latest SEC XBRL company facts from EDGAR's live companyfacts feed with source dates and units. Price: $0.01 via x402. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    cik concepts _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  27. sec-recent-filings

    Sec Recent Filings

    Return recent SEC EDGAR filings for a company CIK from the live SEC submissions feed, normalized for agent consumption. Price: $0.01 via x402. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    cik limit _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  28. url-http-preflight

    Url Http Preflight

    Inspect a URL before an autonomous agent calls it, and preflight or verify a website or external API endpoint is healthy and safe to call by checking HTTP status, redirects, latency, and security headers. Price: $0.03 via x402. Generate one _salt19_operation_id per intended purchase, preserve it across retries, and add _x402_payment_signature after satisfying the challenge. A stable _salt19_operation_id is required and makes semantic retries at-most-once. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    url _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  29. url-to-llm-markdown

    Url To Llm Markdown

    Fetch a public web page, remove scripts/styles/navigation noise, and return bounded LLM-friendly Markdown plus canonical URL and fetch provenance. Price: $0.01 via x402. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    url max_chars _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  30. usgs-earthquakes

    Usgs Earthquakes

    Query recent USGS earthquake events by lookback window and minimum magnitude and return compact live event state. Price: $0.01 via x402. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    hours min_magnitude limit _salt19_operation_id _x402_payment_signature _salt19_handoff_id

  31. verify-decision-receipt只读

    Verify SALT19 Decision Receipt

    Free integrity lookup for a SALT19 decision receipt. verified=true proves the stored evidence still matches its recorded digest; it does not prove the underlying software is safe. _salt19_operation_id is recommended but optional for standard x402 compatibility.

    id

  32. x402-authorization-handoff只读

    SALT19 x402 Authorization Handoff

    Free handoff tool that generates a live PAYMENT-REQUIRED challenge for a concrete paid request, returns exact REST and MCP retry templates, and creates a correlation ID. It never signs or moves buyer funds.

    product arguments operation_id session_id

  33. x402-payment-preflight只读

    SALT19 x402 Payment Preflight

    Free buyer-side compatibility preflight. Returns the live SALT19 price, Base/USDC requirement, optional public wallet-balance sufficiency, and the exact next action without signing or moving funds.

    product supported_networks supported_assets wallet_address max_price_usd supports_x402 autonomous_spend_allowed

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