GW8 Signal API MCP server

• buy_day_passwrite actionFree

  [Access] Buy a 24h pass for every paid GW8 data tool/endpoint: pass the returned token as the "pass" argument (MCP) or X-GW8-Pass header (HTTP). Fair use 2000 calls, 60/min. Excludes alert subscriptions. Token shown once. Paid: $1.00 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at POST https://micro-saas-agent.onrender.com/api/pass/day.

• check_seller_reputationFree

  [Seller reputation: x402 seller risk check, verdict] Before an agent pays an x402 seller: score the seller's Base wallet (or the payTo read from its endpoint's 402 challenge) 0-100 from public USDC transfer history: distinct paying buyers, wash/self-dealing share (self-transfers, round-trips), wallet age, top-payer concentration, 30-day organic volume. Returns verdict, components, reasons and a signed receipt. Deterministic; stateless; never pays anyone. Give address and/or endpoint. Paid: $0.01 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at POST https://micro-saas-agent.onrender.com/api/seller/reputation.

• check_spend_policyFree

  [Spend policy: agent payment risk check] Before an agent pays: check a proposed payment against the buyer's rules (per-tx limit, rolling cap with spent-so-far, merchant categories, allow/deny lists, allowed hours + timezone, assets/chains, human-approval threshold). Returns decision, the rules that fired, every check, and a signed decision receipt. Stateless, deterministic; not custody, does not execute payments. Paid: $0.02 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at POST https://micro-saas-agent.onrender.com/api/spend/check.

• get_band_dotsFree

  [Market data: crypto] Current WaveTrend band dots across 66 Kraken 4h USD pairs. Paid: $0.01 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/dots.

• get_brief_teaserFree

  Free partial live brief: regime score, green/red counts, top 3 dots (symbol+band only), simulated 7d hit-rate headline. Upsells paid /api/brief ($0.02), /api/dots ($0.01), /api/agent ($0.02).

• get_coinFree

  [Market data: crypto] WaveTrend 4h snapshot for one coin. Paid: $0.002 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/coin/{symbol}.

• get_crypto_rulesFree

  [Market data: crypto] CFTC and SEC crypto / digital-asset / stablecoin / tokenization rulemaking from the last 90 days: Federal Register docs (ANPRM/NPRM/final/notice) with RIN, comment deadline, stage-change flag and Unified Agenda presence, plus agency press releases. Each source labeled ok/unavailable; no stale fill. Paid: $0.02 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/rules.

• get_daily_briefFree

  [Market data: crypto] Once-per-day brief: regime, dot counts, top 10 coins by dot strength, BTC/ETH/SOL flows. Paid: $0.02 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/brief.

• get_flowsFree

  [Market data: crypto] Kraken large-print buy/sell summary (single venue, not on-chain) joined with WaveTrend 4h state. Paid: $0.02 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/flows/{symbol}.

• get_full_signalFree

  [Market data: crypto] Stage 1 regime score + WaveTrend 10/21/4 on 66 Kraken 4h pairs with all band dots. Paid: $0.02 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at POST https://micro-saas-agent.onrender.com/api/agent.

• get_gov_contractsFree

  [Market data: crypto] Recent (14-day) US federal contract actions to AI, drone, nuclear, robotics, space, quantum and defense-tech companies (USAspending.gov), with tickers, amount, agency, date, description, award link. Optional ticker / sector / q filters. NOTE: the Department of War daily announcements source is currently blocked from our host (sourceStatus.dodAnnouncements=unavailable; check free GET /api/govcontracts/status), so DoD awards currently appear only via USAspending with a ~90-day lag. Paid: $0.01 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/govcontracts.

• get_growth_historyFree

  [Market data: growth-lane screen] Weekly growth-lane snapshots and the week each rule first passed. Paid: $0.07 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/growth/history.

• get_growth_screenFree

  [Market data: growth-lane screen] Filterable growth-lane screen across covered chains and apps. Window is 90 days. Paid: $0.03 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/growth.

• get_growth_setupFree

  [Market data: growth-lane screen] Growth-lane rules for one chain or app: stables, fees, TVL versus price, and the relative-return flag. Paid: $0.015 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/growth/{chain}.

• get_historyFree

  [Market data: crypto] Rolling 90-day band-dot backtest with forward moves and live hit rates (green dots carry the edge; red near coin-flip). Paid: $0.05 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/history.

• get_kraken_listingsFree

  [Market data: crypto] New Kraken USD pairs from the last 30 days: first-seen date (our snapshot, or first Kraken daily candle for pairs older than our snapshots), price, 24h volume, % change since listing, WaveTrend 4h dot state, plus Kraken blog listing posts. Paid: $0.02 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/kraken/listings.

• get_payment_railsFree

  [Payment rails: fee + speed comparison] Which payment rail is cheapest and fastest right now for a USD amount: Base USDC (live gas x ETH/USD), XRPL (live fee x XRP/USD), Tempo and Circle Arc (live gas, USD-denominated) and card (static 2.9% + $0.30 estimate), with documented agent protocols (x402, MPP, card networks) per rail. Fee USD and %, settlement time, data timestamp, sources and a recommended pick. Arg amount (USD, default 100). Paid: $0.002 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/rails.

• get_regimeFree

  [Market data: crypto] Stage 1 crypto regime check with raw values and rules. Paid: $0.01 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/regime.

• get_relative_strengthFree

  [Market data: crypto] Relative strength across 66 Kraken USD pairs: 1-week and 1-month % return, percentile ranks, 0-100 strength score (60% 1m rank + 40% 1w rank), leaders/laggards, and sector scores with breadth (% of coins with a positive 1m return). Paid: $0.02 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/rs.

• get_rwa_feedFree

  [Market data: crypto] Real-world assets on-chain (tokenized treasuries, credit, stocks): top RWA protocols by TVL, 7d change + estimated flows, movers, new launches, yields, top RWA tokens by market cap, with sources and timestamp. Paid: $0.02 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/rwa.

• get_sampleFree

  Free: Stage 1 regime statuses, core WaveTrend 4h values (BTC/ETH/SOL/LINK/XRP) and band-dot count. Signal only, not financial advice.

• get_signing_pubkeyFree

  Free: Ed25519 public key and scheme for verifying X-GW8-Signature on paid responses.

• get_token_verdictFree

  [Token risk check: safety verdict] Is this token safe? Score 0-100, safe/caution/danger, reasons, sources (GoPlus + DexScreener, fixed rules). Paid: $0.01 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/verdict/{chain}/{address}.

• get_value_historyFree

  [Market data: value-capture score] Weekly value-capture snapshots for one coin, up to 52 weeks. Paid: $0.07 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/value/{symbol}/history.

• get_value_scoreFree

  [Market data: value-capture score] Value-capture score for one coin: net supply, holder yield, usage class, burn-versus-held class and unlock overhang. Paid: $0.015 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/value/{symbol}.

• get_value_screenFree

  [Market data: value-capture score] Sortable value-capture screen for up to 25 symbols or the whole covered set. Paid: $0.03 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at GET https://micro-saas-agent.onrender.com/api/value.

• list_paid_endpointsFree

  Lists paid x402 endpoints (USDC on Base, eip155:8453) with method, URL and USD price. Paid MCP tools also accept x402 payment in-band (@x402/mcp).

• should_i_paywrite actionFree

  [Payment decision: spend policy + seller reputation risk check, one verdict] Use right before an agent pays an invoice, merchant or x402 seller: runs the spend-policy check (limits, rolling cap, categories, allow/deny lists, hours, assets/chains, approval threshold) and the seller reputation check (public Base USDC history: buyers, wash share, age, concentration) and returns one verdict pay / dont_pay / ask_human with reasons and one signed receipt. Deterministic; stateless; never pays anyone; not charged if seller data is unavailable. Paid: $0.02 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at POST https://micro-saas-agent.onrender.com/api/pay/should-i-pay.

• subscribe_green_dot_alertsFree

  [Access] Subscribe a public https webhook to NEW green WaveTrend band dots (filter outer|inner|all, optional pairs) for 30 days or 300 alerts; HMAC-signed. Args {webhookUrl, filter, pairs}. Paid: $0.50 USDC on Base, paid in-band via x402 MCP (@x402/mcp; _meta "x402/payment"). Also at POST https://micro-saas-agent.onrender.com/api/alerts/subscribe.

• –Code scanremote-only server, no package to scann/a
• Live reliabilityremote reachable in 862ms20/20
• Tool poisoning29 tool descriptions checked15/15
• Auth qualityopen endpoint exposes 2 write-action tools with no auth3/15
• Maintenancelast push 0 days ago15/15
• Maintainer identityregistry namespace matches repository owner6/10

Safety score

79/100

higher than 63% of 1,761 Finance servers

Tools

29

the typical Finance server has 8

Tools that change things

7%

typical: 0%. Fewer write tools means less an agent can break

Uptime

100%

of our recent checks; the typical remote Finance server answers 100%

Response time

371 ms

faster than 40% of 1,133 Finance servers

GW8 Signal API: common questions

Is GW8 Signal API MCP server safe?

Mostly: it is graded B (79/100). Read the GW8 Signal API safety report

How do I install GW8 Signal API?

It runs remotely at micro-saas-agent.onrender.com. Add it to Claude Code, Cursor, VS Code or Claude Desktop with the snippets above, or call it through the mcp.market gateway without installing anything.

Does GW8 Signal API need an API key?

Not as far as the registry entry and our scan can tell: no credentials are declared or required.

Is GW8 Signal API maintained?

The last commit was 8 days ago (2026-10-27). The latest release is v1.2.0.

Is GW8 Signal API up?

100% of our last 28 checks got an answer. We check remote servers about four times a day.

What can I use instead of GW8 Signal API?

Servers from other publishers that do the same job: Blockrun MCP server, Agent402.Tools: pay-per-call web tools MCP server and three.ws Agent Payments MCP server.

How does GW8 Signal API compare with other Finance MCP servers?

safety score 79/100 (higher than 63% of 1,761 Finance servers); tools 29 (the typical Finance server has 8); tools that change things 7% (typical: 0%. Fewer write tools means less an agent can break). Full comparison.