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8 clients · secrets stay placeholders

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{
  "mcpServers": {
    "synthora-x402": {
      "type": "http",
      "url": "https://mcp.hergertsynthora.com/mcp"
    }
  }
}

claude mcp add --transport http synthora-x402 https://mcp.hergertsynthora.com/mcp

[mcp_servers.synthora-x402]
url = "https://mcp.hergertsynthora.com/mcp"

{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "synthora-x402": {
      "type": "remote",
      "url": "https://mcp.hergertsynthora.com/mcp",
      "enabled": true
    }
  }
}

{
  "mcpServers": {
    "synthora-x402": {
      "type": "http",
      "url": "https://mcp.hergertsynthora.com/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=synthora-x402&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vbWNwLmhlcmdlcnRzeW50aG9yYS5jb20vbWNwIn0%3D"
}

{
  "servers": {
    "synthora-x402": {
      "type": "http",
      "url": "https://mcp.hergertsynthora.com/mcp"
    }
  }
}

{
  "mcpServers": {
    "synthora-x402": {
      "httpUrl": "https://mcp.hergertsynthora.com/mcp"
    }
  }
}

extensions:
  "synthora-x402":
    enabled: true
    name: "synthora-x402"
    type: streamable_http
    uri: "https://mcp.hergertsynthora.com/mcp"
    timeout: 300

Quality 75 / 100good

protocol75 · weight 25

warn
protocol.modernnewest supported version is 2025-06-18; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
n/a
protocol.statelessonly applies to 2026-07-28 servers
pass
protocol.transportstreamable HTTP
n/a
protocol.list_ttlonly applies to 2026-07-28 servers

authorizationn/a · weight 15

n/a
auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
n/a
auth.secret_in_urlno templated URL

tool hygiene100 · weight 30

pass
tools.descriptionsevery tool has a description
pass
tools.description_lengthdescriptions are concise
pass
tools.schemasevery tool has an object input schema
pass
tools.annotations27 of 27 tools declare readOnlyHint or destructiveHint
pass
tools.directory_hintsevery tool declares readOnlyHint, destructiveHint, idempotentHint and openWorldHint
pass
tools.token_costabout 6,473 tokens to load every tool
pass
tools.api_dumptools are not a one-to-one API dump

stability25 · weight 15

warn
stability.changes544 tool changes in 30 days
fail
stability.rug_pull56 tools kept their name but changed most of their description in 30 days; review before trusting them

dependenciesn/a · weight 15

n/a
deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

27 tools, about 6,473 tokens to load them all · tool set 4a32bde695ec · tools last changed 2026-10-18 · checked 2026-10-20 15:26 UTC

Tool changes

2026-10-18polymarket_tradeschangedinput schema
2026-10-18payto_preflightchangeddescription
before
x402 PayTo Pre-Flight: verify a payTo address against the live registry before paying. Detects payTo hijacking, stale endpoints and unknown resources. Deterministic, <200ms, no external network. 0.001 USDC via x402 on Base. SYNTHORA. [x402: 0.01 USDC per call on Base]
after · 97% of words in common
x402 PayTo Pre-Flight: verify a payTo address against the live registry before paying. Detects payTo hijacking, stale endpoints and unknown resources. Deterministic, <200ms, no external network. 0.01 USDC via x402 on Base. SYNTHORA. [x402: 0.01 USDC per call on Base]
2026-10-16registry_watchchangedinput schema
2026-10-16ecb_macrochangedinput schema
2026-10-16ecb_forex_fixing_vs_marketchangeddescription, input schemameaning changed
before
SYNTHORA ecb-forex-fixing-vs-market: ECB daily EUR/USD fixing vs live market rate: deviation in basis points, direction and >25bps alert. Sources: official ECB eurofxref-daily.xml + open.er-api.com, both keyless. [x402: 0.01 USDC per call on Base]
after · 42% of words in common
SYNTHORA ecb-forex-fixing-vs-market: Compare the official ECB daily EUR/USD reference fixing with a client-supplied USD-per-EUR quote, timestamp and provenance. Reports deviation in basis points and coverage/freshness gaps. The client quote is not independently verified. No live market quote is supplied or inferred; this commercial path does not redistribute open.er-api rates. [x402: 0.01 USDC per call on Base]
2026-10-16defi_yieldschangedinput schema
2026-10-16bitcoin_feeschangedinput schema
2026-10-16npm_downloads_rangechangeddescription, input schema
before
Returns a per-day download time series for an npm package over a period from keyless api.npmjs.org — the raw signal for trend and growth-rate detection. Lets autonomous agents compute momentum/decline and feed agent-to-agent dependency-selection scoring. Ranking surface for trajectory. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure. [x402: 0.001 USDC per call on Base]
after · 97% of words in common
Returns a per-day download time series for an npm package over a period from keyless api.npmjs.org — the raw signal for trend and growth-rate detection. Lets autonomous agents compute momentum/decline and feed agent-to-agent dependency-selection scoring. Ranking surface for trajectory. First call FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure. [x402: 0.001 USDC per call on Base]
2026-10-15registry_watchchangeddescription, input schemameaning changed
before
Monitor registry changes in real-time with x402 M2M API. Signed x402 call. 0.03 USDC on Base. [x402: 0.03 USDC per call on Base]
after · 18% of words in common
Registry change history from stored registry_delta records, ordered by database timestamp and ID. Query with since (cursor or ISO8601), slug and limit (1..200). Source timestamps and coverage are included; records may be historical and do not prove current endpoint operation, payments or identity. 0.03 USDC on Base. [x402: 0.03 USDC per call on Base]
2026-10-15ecb_macrochangedinput schema

Showing the latest 10. Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 79 / 100

no-repository

provenance55

liveness99

freshness85

hygiene80

+dns-namespace +website +reachable +uptime-98% ~updated-47d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remote	auth	reachable	uptime 30d	p50	protocol	last ok
`https://mcp.hergertsynthora.com/mcp` streamable-http	none	yes	98%	496 ms	2025-06-18	2026-10-20

Tools (27)

`air_quality`read-only	SYNTHORA air-quality: live air quality for any city or lat,lon — PM2.5/PM10/ozone/NO2, EU and US AQI, and a WHO-threshold operational verdict (good/moderate/harmful). Source: open-meteo Air Quality (CAMS/ESA Copernicus), free, no key. $0.01 USDC x402 Base. [x402: 0.01 USDC per call on Base]
`bitcoin_fees`read-only	SYNTHORA bitcoin-fees: Bitcoin fee tiers in sat/vB (fastest/half-hour/hour/economy/minimum) plus current block height. Source: mempool.space public API, keyless. Bitcoin only. [x402: 0.01 USDC per call on Base]
`defi_llama_tvl_ranking`read-only	SYNTHORA defi-llama-tvl-ranking: Top DeFi protocols by TVL with rank, chain, category and 1d/7d change, capped list (default 50, max 200 via {"limit":N}). Source: api.llama.fi/protocols (DefiLlama), keyless, timestamped. [x402: 0.01 USDC per call on Base]
`defi_yields`read-only	SYNTHORA defi-yields: stablecoin DeFi yields ranked with a risk outlier detector — APY vs class median (>=3x median = the excess yield IS the risk price). Only pools with TVL >= $10M. Source: DefiLlama, free, no key. $0.01 USDC x402 Base. [x402: 0.01 USDC per call on Base]
`dnsdomain`read-only	Full DNS + WHOIS/RDAP domain report in one call. Resolves A, AAAA, MX, TXT, NS, CNAME, SOA and DNSSEC over DNS-over-HTTPS, plus structured WHOIS via RDAP (registrar, registration/expiration/updated dates, EPP status, nameservers), and returns a 0-100 domain-hygiene score with letter grade (age, days-to-expiry, nameserver redundancy, MX presence, DNSSEC, SPF/DMARC, registrar lock). Deterministic, Ed25519-signed. 0.001 USDC via x402 on Base. SYNTHORA. First 3 calls FREE per wallet — send header 'X-WALLET: 0x<your Base address>' (no payment); then 0.001 USDC per call. [x402: 0.001 USDC per call on Base]
`doaj_article_search`read-only	Searches the Directory of Open Access Journals article index, returning titles, authors, DOIs, journal, ISSNs, abstracts and open-access full-text links as JSON. A keyless endpoint for autonomous research agents and agent-to-agent workflows sourcing legally free, peer-reviewed open-access literature. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure. [x402: 0.005 USDC per call on Base]
`ecb_forex_fixing_vs_market`read-only	SYNTHORA ecb-forex-fixing-vs-market: Compare the official ECB daily EUR/USD reference fixing with a client-supplied USD-per-EUR quote, timestamp and provenance. Reports deviation in basis points and coverage/freshness gaps. The client quote is not independently verified. No live market quote is supplied or inferred; this commercial path does not redistribute open.er-api rates. [x402: 0.01 USDC per call on Base]
`ecb_macro`read-only	SYNTHORA ecb-macro: official eurozone macro from the ECB data warehouse — HICP inflation, MRR policy rate, 10Y govt yield, each with previous value, change and direction. For macro/rates agents and prediction markets. Official free source, no key. $0.03 USDC x402 Base. [x402: 0.03 USDC per call on Base]
`exchange_rates_verified`read-only	SYNTHORA exchange-rates-verified: FX rates for 160+ currencies CROSS-VERIFIED between two independent sources (ECB official fixing via frankfurter.app vs market aggregate open.er-api.com) with per-currency deviation in bps and divergence alert >50 bps. The product is the discrepancy: a bad rate breaks a financial agent. Free sources, no key. $0.03 USDC x402 Base. [x402: 0.03 USDC per call on Base]
`fed_watch`read-only	SYNTHORA fed-watch: US reference-rate funding pulse — SOFR/EFFR/TGCR/BGCR/OBFR with volumes, percentile dispersion and the SOFR-EFFR spread (the funding-stress signal before it hits the news). Cross-check of 5 independent official NY Fed series. The input for Fed/CPI prediction markets. Free official source, no key. $0.03 USDC x402 Base. [x402: 0.03 USDC per call on Base]
`gas_oracle_multi`read-only	SYNTHORA gas-oracle-multi: gas price across 5 chains (ethereum, base, arbitrum, optimism, polygon), each VERIFIED by two independent public RPCs with divergence report — a single RPC can lie or lag; dual-verified is what you time transactions with. Free public RPCs, no key. $0.03 USDC x402 Base. [x402: 0.03 USDC per call on Base]
`gdelt_tension`read-only	SYNTHORA gdelt-tension: geopolitical tension index for any topic/country — news-mention spike vs 7d baseline, average tone shift, escalation flag and the headlines causing it. The early signal for Polymarket geopolitical markets (high variance, high spread). Source: GDELT DOC 2.0 (100+ languages, free, no key), 6h-prefetched cache for reliability. [x402: 0.03 USDC per call on Base]
`github_repo_activity`read-only	SYNTHORA github-repo-activity: Activity metrics for any public GitHub repo (input owner/repo): stars, forks, open issues, last push, language, archived flag. 10-min in-process cache, stale-on-rate-limit or ok:false. Source: api.github.com, keyless. [x402: 0.03 USDC per call on Base; first 1 calls free]
`historical_weather`read-only	SYNTHORA historical-weather: verified historical weather for any place and date (1940 → ~5 days ago) from the ERA5 reanalysis — tmax/tmin, precipitation, max wind. For climate-market backtesting and claim verification. Source: open-meteo archive, free, no key. $0.03 USDC x402 Base. [x402: 0.03 USDC per call on Base]
`npm_downloads_range`read-only	Returns a per-day download time series for an npm package over a period from keyless api.npmjs.org — the raw signal for trend and growth-rate detection. Lets autonomous agents compute momentum/decline and feed agent-to-agent dependency-selection scoring. Ranking surface for trajectory. First call FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure. [x402: 0.001 USDC per call on Base]
`payto_preflight`read-only	x402 PayTo Pre-Flight: verify a payTo address against the live registry before paying. Detects payTo hijacking, stale endpoints and unknown resources. Deterministic, <200ms, no external network. 0.01 USDC via x402 on Base. SYNTHORA. [x402: 0.01 USDC per call on Base]
`polymarket_markets`read-only	Search prediction markets ACROSS PLATFORMS (Polymarket + Kalshi) in one call: live prices, implied probability, volume, liquidity, end date and market conviction. Server-side search that actually finds the market (bitcoin, fed, election, geopolitics). For trading and forecasting agents tracking event odds. $0.05 USDC x402 Base. Input: {"input": "bitcoin"} (optional filter). Ed25519-signed. [x402: 0.05 USDC per call on Base]
`polymarket_trades`read-only	Historical Polymarket trade query with filters plus per-wallet aggregation. $0.03 USDC x402 Base. [x402: 0.03 USDC per call on Base]
`port_watch`read-only	SYNTHORA port-watch: daily port activity for any of 2,065 ports (Shanghai, Singapore, Rotterdam, LA, Long Beach presets + any name) — port calls, estimated import/export capacity (dwt), 7d moving average vs 30d baseline deviation and anomaly flag. Port volume leads official macro data by weeks: the input for trade/tariff/recession markets. Source: IMF PortWatch (satellite AIS, free, no key). $0.03 USDC x402 Base. [x402: 0.03 USDC per call on Base]
`registry_watch`read-only	Registry change history from stored registry_delta records, ordered by database timestamp and ID. Query with since (cursor or ISO8601), slug and limit (1..200). Source timestamps and coverage are included; records may be historical and do not prove current endpoint operation, payments or identity. 0.03 USDC on Base. [x402: 0.03 USDC per call on Base]
`space_weather_risk`read-only	SYNTHORA space-weather-risk: composite operational space-weather risk verdict fusing 4 NOAA SWPC feeds (Kp/G scale, GOES X-ray flare class, solar wind, proton flux) — for defense, aviation, satellites, power grid, precision GPS. $0.03 USDC x402 Base. [x402: 0.03 USDC per call on Base]
`stablecoin_supply`read-only	SYNTHORA stablecoin-supply: circulating USD supply, price and peg deviation in basis points for the top stablecoins (USDT, USDC, DAI...), with a depeg alert flag above 50 bps. Optional symbol filter. Free source: stablecoins.llama.fi (DefiLlama), no API key, timestamped. [x402: 0.01 USDC per call on Base]
`synthora_search`read-only	FREE. Search the currently published SYNTHORA tools by keyword and optional USDC price ceiling. Returns tool name, advertised price and example arguments. Only the live catalog is searched; a match is not proof of paid delivery or data freshness. Start here to choose a tool.
`top_crypto`read-only	SYNTHORA top-crypto: Top N cryptocurrencies by market cap (default 10, max 50): rank, price, 24h change, volume and market cap in USD. Source: CoinGecko free API, keyless, timestamped. [x402: 0.01 USDC per call on Base]
`usgs_earthquakes`read-only	SYNTHORA usgs-earthquakes: latest earthquakes (M>=4.5 default, tunable) with PAGER alert level, tsunami flag and ACTIVE SEISMIC CLUSTER detection (>=3 events same zone in 24h) — the actionable signal for insurance-risk and disaster prediction markets. Source: USGS FDSN (official US, real-time, no key). $0.03 USDC x402 Base. [x402: 0.03 USDC per call on Base]
`volume_anomaly`read-only	SYNTHORA volume-anomaly: crypto volume-anomaly alerts for arbitrage bots — assets whose 24h turnover (volume/mcap) is anomalously high vs their cohort (z-score), early pump/unusual-activity signal. Composite of CoinGecko markets + DeFiLlama DEX volume. Keyless. $0.03 USDC x402 Base. [x402: 0.03 USDC per call on Base]
`who_gho_indicator_timeseries`read-only	Returns WHO Global Health Observatory OData time series (ghoapi.azureedge.net/api) for an indicator such as life expectancy (WHOSIS_000001): country, year, sex dimension and numeric value. Autonomous agents and agent-to-agent (A2A) global-health analytics, ESG and country-benchmarking pipelines query it for authoritative WHO statistics. Ranking surface: indicator + country to yearly values. First 3 calls FREE per wallet — send header X-WALLET: 0x<addr>. No charge on upstream failure. [x402: 0.001 USDC per call on Base]

Schemas: list_tools.

Similar MCP servers

Official server.json

{
  "name": "com.hergertsynthora/synthora-x402",
  "icons": [
    {
      "src": "https://hergertsynthora.com/logo.png"
    }
  ],
  "title": "SYNTHORA x402 Intelligence Mesh",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://mcp.hergertsynthora.com/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.1.2",
  "websiteUrl": "https://hergertsynthora.com",
  "description": "Calibrated intelligence via x402 (USDC Base). ERC-8004 #84581: 272 payments, 49 wallets."
}