SALT19 Agent Utility Grid

Name: SALT19 Agent Utility Grid
Author: GabrielAllit1

MCP serverMCP

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

by GabrielAllit1homepage ↗v0.5.1

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30-day availability110/110 checks ok

Tools observed via MCP handshake

find-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
salt19-pricing — FREE catalog/pricing surface. Returns current discoverable SALT19 products, live x402 prices, schemas, and Fresh-State acquisition roles so an agent can budget
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_i
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
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 x40
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. _s
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
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:
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
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 r
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 re
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
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
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
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 el
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/co
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 rec
agent-plan-verifier — Verify an autonomous agent plan before execution for missing preconditions, destructive steps, unsafe ordering, goal misalignment, constraint violations, and re
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 deci
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
commerce-verify — Verify that an x402 v2 payment payload, settlement evidence, original request, accepted offer, spending policy, and delivered response are mutually bound; SALT1
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 vuln
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
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, mai
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
npm-package-intel — Check whether an npm package is deprecated or vulnerable before installing it, including vulnerabilities, license, maintenance, freshness, dependency health, an
repo-adoption-go-no-go — Repository adoption decision for autonomous coding agents using public GitHub maintenance, archive, license, and repository-health evidence, with explicit UNKNO
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 statu
verify-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 underlyin
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 ac
report-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 secr
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 correl
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 PAYM

when	check	result	http	latency	detail
2 h ago	mcp initialize	ok	200	18 ms	server salt19-agent-utility-grid 0.5.1 · protocol 2025-06-18 · 33 tools
8 h ago	mcp initialize	ok	200	30 ms	server salt19-agent-utility-grid 0.5.1 · protocol 2025-06-18 · 33 tools
14 h ago	mcp initialize	ok	200	35 ms	server salt19-agent-utility-grid 0.5.1 · protocol 2025-06-18 · 33 tools
21 h ago	mcp initialize	ok	200	36 ms	server salt19-agent-utility-grid 0.5.1 · protocol 2025-06-18 · 33 tools
27 h ago	mcp initialize	ok	200	38 ms	server salt19-agent-utility-grid 0.5.1 · protocol 2025-06-18 · 33 tools
33 h ago	mcp initialize	ok	200	24 ms	server salt19-agent-utility-grid 0.5.1 · protocol 2025-06-18 · 33 tools
2 d ago	mcp initialize	ok	200	38 ms	server salt19-agent-utility-grid 0.5.1 · protocol 2025-06-18 · 33 tools
2 d ago	mcp initialize	ok	200	17 ms	server salt19-agent-utility-grid 0.5.1 · protocol 2025-06-18 · 33 tools
2 d ago	mcp initialize	ok	200	19 ms	server salt19-agent-utility-grid 0.5.1 · protocol 2025-06-18 · 33 tools
2 d ago	mcp initialize	ok	200	29 ms	server salt19-agent-utility-grid 0.5.1 · protocol 2025-06-18 · 33 tools

SALT19 Agent Utility Grid

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