Saylor Innovations: pay-per-call data

com.saylorinnovationsPublished by saylorinnovations.comOfficial publisherv1.2.0Updated Oct 24, 2026

271 x402 agent APIs: research, law, medicine, science, finance, public data, security and crypto.

VerifiedStreamable HTTPWeb executableWeb Search & ScrapingFinanceData & Analytics

Overview

AI-generated overview

A pay-per-call catalog of data endpoints an assistant can search, price and buy with x402 crypto payments, covering crypto, finance, research, law and public US

What you can do
Exposes a large catalog of pay-per-call data endpoints that an assistant can search, inspect and then purchase. Tools cover token security, prices, holders and wallet snapshots across many chains, stock and FX quotes, funding rates, DOI and paper lookups, npm and PyPI package reports, CVE details, World Bank and UN indicators, geocoding, EPA and snowpack data, page metadata and Markdown extraction, EU tender search, and a sandboxed GitHub repository test runner. Free tools list and search the catalog and return payment instructions; paid calls cost roughly $0.001 to $0.01 each.
When to use it
Useful when an assistant needs many unrelated kinds of reference data, especially crypto token and wallet checks, without signing up for separate provider accounts. Also suited to agents that already handle x402 payments and want one catalog instead of many integrations.
Requirements
Remote streamable HTTP endpoint; no account, API key or environment variable is declared. Paid calls require an x402-capable wallet with USDC/USDT/SOL on Solana or USDC on Base, Polygon or Arbitrum, plus network access.
Before you install
Most tools spend real money per call, so an assistant can incur charges without a subscription. Paid calls return payment instructions and require signing a payment; keep spending limits in mind. Some tools fetch public URLs or clone public repositories, and results are point-in-time reads with explicit caveats, not safety or ownership guarantees.

Installation

In SourceWeft

  1. Open Saylor Innovations: pay-per-call data in the dashboard and add it to a workspace.
  2. Enable the server for the chats that should use its tools.

Web executable via Streamable HTTP. Remote servers run from the web runtime once configured in a workspace.

Use with an agent

Paste this prompt into Claude Code, Codex, Cursor or another agent — or into SourceWeft chat. The agent reads this server's install guide, shows you its publisher, endpoint and sign-in, and adds it to your client once you agree. Keys never go into a command.

Read https://sourceweft.com/mcp/com.saylorinnovations%2Fdata/install.md and connect the MCP server it describes to my client. Before changing any config, show me its publisher, endpoint and sign-in method and wait for my OK. Never put an API key in a command or in a file I would commit; ask me where it should come from.

Read the install guide the agent follows

Other MCP clients

Add this to your client's mcpServers config.

{
  "mcpServers": {
    "saylor-innovations-pay-per-call-data": {
      "type": "http",
      "url": "https://saylorinnovations.com/mcp"
    }
  }
}

Tools

41

base_token_risk_changes

Compare Base token on-chain changes

Base token change report: compares signed, seven-day baselines with block-pinned owner, pause, proxy and supply reads, plus optional same-pool token balances. Returns field-level evidence and unknowns. No honeypot simulation, sell-tax estimate, USD liquidity valuation or safety guarantee. USDC on Base. Costs $0.02. Returns POST instructions, not a paid result.

Parameterspooladdressrequiredbaseline

get_doi_report

DOI Citation Report

Resolve a DOI into normalized publication metadata, citation text, identifiers and source links. Abstracts and full paper text are excluded. Costs $0.003. Returns payment instructions for the Saylor endpoint; no provider account required.

Parametersdoirequired

get_package_report

npm Package Report

Inspect the latest npm package release: version, license, dependency counts, engine requirements, deprecation notice and source links. Does not download or execute package code. Costs $0.003. Returns payment instructions for the Saylor endpoint; no provider account required.

Parametersnamerequired

get_papers_report

Publication Search

Find up to five publications with DOI identifiers, authors, publication years and citation counts. Returns metadata, not abstracts or full text. Costs $0.003. Returns payment instructions for the Saylor endpoint; no provider account required.

Parametersqrequired

get_npmsearch_report

npm Package Search

Find up to five npm packages with versions, descriptions, registry ranking scores and source links for package discovery. Costs $0.003. Returns payment instructions for the Saylor endpoint; no provider account required.

Parametersqrequired

get_python_report

Python Package Report

Inspect a Python package’s latest release, Python compatibility, declared dependencies, license metadata and PyPI-reported advisories. No code execution. Costs $0.003. Returns payment instructions for the Saylor endpoint; no provider account required.

Parametersnamerequired

get_cve_report

CVE Vulnerability Report

Resolve a CVE into its published description, status, CVSS metrics, weakness identifiers and vendor/reference links. This does not scan a system or prove safety. Costs $0.003. Returns payment instructions for the Saylor endpoint; no provider account required.

Parameterscverequired

get_fx_report

Reference Exchange Rates

Get daily reference exchange rates per one unit of a base currency, with observation date and currency codes. Not executable trading quotes. ECB source data is also available free from ecb.europa.eu. Costs $0.003. Returns payment instructions for the Saylor endpoint; no provider account required.

Parametersbaserequired

get_country_report

Country Profile

Resolve a two-letter country code into its World Bank name, region, capital, income group and lending classification for data enrichment. Costs $0.003. Returns payment instructions for the Saylor endpoint; no provider account required.

Parameterscountryrequired

get_economy_report

Country Economic Indicators

Get up to five recent annual observations for population, GDP in current US dollars and consumer-price inflation. Includes years, units, source links and missing values. Costs $0.003. Returns payment instructions for the Saylor endpoint; no provider account required.

Parameterscountryrequired

verify_repository

Verify a public repository build or test

Clone a public GitHub repository into a disposable Firecracker microVM, install dependencies, run one declared test, lint, or build script, and return structured logs plus the resolved commit. The service verifies execution, not semantic correctness; private repositories and arbitrary shell commands are not accepted. Costs $0.25 per attempt. Returns the paid HTTP endpoint and x402 instructions.

ParametersreftaskrequiredrepositoryrequiredpackageManagertimeoutSeconds

search_endpoints

Search all paid API endpoints

Search the full Saylor catalog of pay-per-call data endpoints (x402, no account or API key). Solana token rug risk and holder concentration, token prices on 25 chains, ERC-20 balances, academic papers, U.S. case law/statutes/regulations, medical and HCPCS codes, drug facts, protein function (UniProt), AlphaFold and PDB structures, ClinVar variant significance, Reactome pathways, rare diseases (Orphanet), CVE/exploit intel, Polymarket/Kalshi odds, perp funding rates, stocks and SEC data, web page to markdown, sanctions screening, dictionary, chemistry, books, Bible/Quran, live aircraft, museum art, crypto token/wallet/DeFi data and more. Free. Returns url, example call, a free sample response URL, price and description; then call get_endpoint for payment details.

Parameterslimitqueryrequired

get_endpoint

Get price and payment instructions for an endpoint

Given an endpoint URL from search_endpoints (with its parameters filled in), returns the exact resource URL, price and x402 payment instructions. The agent then pays over HTTP and receives the data. Free.

Parametersurlrequired

get_funding_rates

Cross-exchange perpetual funding rates

Current perpetual-futures funding rates across Hyperliquid, Binance and Bybit observations, with venue intervals, annualized comparisons, open interest filters, spread/arbitrage signals, source provenance and explicit execution-risk warnings. Costs $0.002; returns payment instructions for the live x402 endpoint.

ParameterssortlimitminOiUsd

geocode_address

Address and place geocoding

Resolve a street address, place name or landmark to ranked coordinates using OpenStreetMap Nominatim. Returns display names, country/region/type, retrieval time, attribution and scope limitations. Costs $0.002; results are not legal boundaries, navigation routes or survey-grade coordinates.

Parametersaddressrequired

get_snowpack

USDA SNOTEL snowpack near a location

Find nearby USDA NRCS SNOTEL stations and return snow-water equivalent, snow depth, water-year precipitation, temperature, distance, daily observation date and percent-of-median context. Costs $0.002; coverage is mountainous western U.S. and Alaska.

Parameterslatlonlimitplaceradius_km

find_superfund_sites

EPA Superfund sites nearby

Find U.S. EPA National Priorities List sites near coordinates or a place, including identifiers, cleanup status, hazard-ranking score, dates, distance and source profiles. Costs $0.002; distances use site reference points and are not a property-safety determination.

Parameterslatlonplaceradius_km

get_radon_potential

USGS/EPA geologic radon potential

Look up area-level geologic radon potential, index, province, geology and EPA screening guidance for a U.S. location. Costs $0.002; this is not a building measurement—any home can have high radon and should be tested.

Parameterslatlonplace

get_sdg_indicators

UN Sustainable Development Goal indicators

Return latest reported headline UN SDG indicators for a country, with indicator series, values, years, units, earliest comparison values, source provenance and disclosure that reporting years vary by indicator. Costs $0.003.

Parameterscoderequiredgoal

get_evm_wallet_snapshot

EVM wallet balance snapshot

Read a Base, Ethereum, Arbitrum, Optimism, Polygon or BNB Chain wallet at the live chain head. Returns native balance, requested ERC-20 balances, token metadata and the block number used; this is a point-in-time read, not custody, valuation, proof of reserves or transaction authorization. Costs $0.003.

Parameterschaintokenswalletrequired

get_stock_quote

Live stock quote

Look up a stock, ETF or index quote with price, change, day and 52-week range, volume, exchange and market timestamp. Yahoo Finance with Nasdaq fallback; exchange delays can apply and unknown symbols are returned as free 404s. Costs $0.002.

Parameterssymbolrequired

get_page_metadata

Web page metadata extraction

Extract title, description, Open Graph image/site name, author, publication date, canonical URL and language from a public HTTP(S) page. SSRF-guarded and does not return the full body. Costs $0.001.

Parametersurlrequired

enrich_company_by_domain

Company and legal-entity enrichment

Resolve a public company domain into page metadata and candidate GLEIF legal entities with LEI, status and explicit heuristic verification caveats. Results are leads for due diligence, not proof of ownership or authorization. Costs $0.003.

Parameterslimitdomainrequired

search_eu_tenders

EU procurement tender search

Search current notices in TED, the EU official procurement database, returning buyer, title, description, CPV codes, publication date, deadline and source link. Useful for sales-lead and market-intelligence agents; source coverage and filing language vary. Costs $0.003.

Parametersqrequiredlimitcountry

extract_webpage_markdown

Web page to clean Markdown

Fetch a public URL and extract the main content as clean Markdown with title, author, publication date, canonical URL, links and source metadata. SSRF-guarded, bounded and designed for agent research; private addresses, non-HTML files and error pages are refused before payment. Costs $0.005.

Parametersurlrequiredlinksmax_chars

list_data_endpoints

List live data endpoints

Every currently buyable endpoint in the live x402 manifest, with its current description, price, supported payment networks and payment-discovery links. Free — call this first to see the complete catalog.

Takes no parameters.

check_token_security

Token security report

Token rug risk check on any chain — is this token safe to buy? Solana: mint and freeze authority, LP locked %, top-10 holder concentration, RugCheck risks. EVM chains: honeypot, tax, owner and contract checks read from the chain. Tron and Sui: scanner results. All chains: severity-ranked flags with evidence, a verdict, a 0-100 score and coverage showing what was actually read. Free sample: https://saylorinnovations.com/api/sample/security. Costs $0.01. Returns the payment requirements and the URL to call once paid — an LLM cannot produce this from training data.

Parametersmintrequiredchain

check_token_price

Token price + liquidity

Fast price and liquidity for a token on any chain (Solana, EVM, Tron, Sui, TON and more); on Solana from two independent sources, with the spread between them reported — a wide spread is itself a signal. Costs $0.001, the cheapest endpoint here, built for polling.

Parametersmintrequiredchain

get_token_snapshot

Full token snapshot

Complete Watchdog snapshot for a token on any chain in one call: price, liquidity, holders, pairs, socials, security flags, scores, a verdict, price-impact estimates and data coverage. Costs $0.005.

Parametersmintrequiredchain

get_coin_dossier

Complete coin dossier

Everything Watchdog can establish about one coin on any of 70+ chains in a single call: market and liquidity, the verdict, the chain's own token controls (who can mint, freeze, claw back, pause or upgrade it), creator and deployer history, verified source and owner-style functions, OFAC screening, quoted DEX depth, holders, 30 days of price history, the creator wallet, and a pass/warn/fail checklist where an unknown is never a pass. Costs $0.05. Free sample: https://saylorinnovations.com/api/sample/dossier.

Parametersmintrequiredchain

check_token_narrative

Token narrative classification

Which meme/narrative category a token fits — ai, dog, cat, political, gaming, defi, infrastructure, frog, food, or memecoin — plus its socials. Costs $0.005.

Parametersmintrequiredchain

check_token_holders

Token holder breakdown

Holder concentration for a token on any chain: Solana top 20 with RugCheck insider labels; EVM, Tron and Sui top holders with contract, locked and burn labels, LP lock status, creator and owner share, OFAC screening and ranked flags — deeper than the rolled-up top-10 percentage in check_token_security. Free sample: https://saylorinnovations.com/api/sample/holders. Costs $0.01.

Parametersmintrequired

get_price_history

Token price history (OHLCV)

OHLCV candles for a token on any chain from its deepest pool, plus change, drawdown, volatility and volume computed from the candles — the only time-series data in this catalog; every other endpoint is a point-in-time snapshot. Costs $0.01.

Parametersmintrequiredchainlimittimeframe

compare_tokens

Compare tokens

Watchdog scores, verdicts and a ranking for 2-10 tokens on any chains side by side in one request. Priced per mint at $0.0015 — cheaper per mint than get_token_snapshot since the payload is lighter. Good for screening a watchlist in one call instead of one call per token.

Parametersmintsrequired

get_recent_launches

Fresh launches

Brand-new pools on Solana (default) or any supported chain via chain, typically seconds to minutes old — the most perishable data here. Age, liquidity, buy/sell flow and conservative risk flags. Costs $0.005.

ParameterschainminLiquiditymaxAgeMinutes

check_wallet

Wallet intelligence report

On-chain wallet profile on Solana, seven EVM chains read in parallel (Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Avalanche), Tron, Sui or TON: balances and valued holdings, account type including EIP-7702 delegation, activity, OFAC sanctions screening and ranked flags. Costs $0.01.

Parameterschaintokensaddressrequired

search_guides

Search guides

Search Saylor Innovations technical guides (crypto safety, DNS/domains, Linux, IoT/hardware, mining, web scraping, content growth). Free — no payment. Returns metadata only, never bodies.

Parameterstaglimitquerycategoryfree_only

get_guide

Get a guide

Fetch a guide by id. Free guides return the full body immediately. Paid guides cost $0.01 in USDC/USDT/SOL on Solana or USDC on Base, Polygon or Arbitrum, via x402 — this returns the payment requirements rather than the body. Use the returned url with a PAYMENT-SIGNATURE header to complete payment.

Parametersidrequired

list_bot_rentals

List rentable trading bots

Trading bots available to rent for a fixed period, with prices and durations. The renter runs the bot themselves with their own exchange key or wallet — nothing is hosted and no credentials are sent to this server. Free to call. Note: no performance or profitability data exists for these bots, so none can be reported; automated trading risks total loss of the funded amount.

Takes no parameters.

list_categories

List categories and tags

Every category and tag in the catalog, with counts. Free. One call reveals the whole shape.

Takes no parameters.

Version history

2
  1. v1.2.0LatestSep 27, 2026
  2. v1.1.0Sep 25, 2026

Score

83% of the applicable checks met

How complete this listing is, computed from the registry entry, the endpoint and public sources. Not a rating of the server and not a statement that it is safe or working today: reachability is a dated check, and no installs or reviews go into the score.

  • Reached in the last 30 daysRequired25 pts
  • Auth declaredRequired10 pts
  • Tools listedRequired15 pts
  • DescriptionRequired15 pts
  • Logo10 pts
  • Documentation15 pts

    Declare a GitHub repository with a README, or serve resource_documentation in the OAuth protected-resource metadata.

  • LicenseNot applicable

    A hosted service is used under its provider's terms, so no license is expected here. This check is left out of the percentage.