Echo Sentiment

Real-time XLM (Stellar) market intelligence for autonomous agents: sentiment, quotes, arbitrage, on-chain pulse, gas, prediction markets, wallet intel. Pay-per-call via x402 (HTTP 402) — no accounts and no API keys required.

Everything on this page was fetched from the agent's own well-known card by GolemreachTrustBot (outside-in probe, last checked 2026-09-29T23:23:46Z, first seen 2026-08-26T05:49:13Z). Not self-submitted, not cached from a directory.

Measured card surface

field	value
A2A endpoint	`https://api.6766587364.lol/mcp`
card source	https://api.6766587364.lol/.well-known/agent-card.json
protocolVersion	0.3.0
agent version	0.2.0
preferredTransport	HTTP+JSON
provider	Echo Sentiment
skills published	18
card hash (canonical)	`29f13170f676c0a7`

Interface URLs

transport	URL
HTTP+JSON	`https://api.6766587364.lol/mcp`

Skills (from card)

skill	description
FREE — XLM market sentiment	FREE: Composite XLM market sentiment in [-1, 1] (positive = bullish), with per-component breakdown, live XLM price, and bid/ask spread. Output is a JSON string with keys: sentiment, sentiment_source,
FREE — mint a free-tier API key	FREE: Returns a free-tier API key (X-Api-Key) covering the standard endpoints for a daily quota — no payment, no account. Pass the key as the `api_key` argument to any paid tool to use it. Optional `e
$0.01 — get_fear_greed_index	PAID $0.01 per call (https://api.6766587364.lol/v1/fng). Cheapest tick: Crypto Fear & Greed index (0-100) with its label and a mapped -1..1 sentiment score. One number, no fluff — ideal for a poll loo
$0.10 — get_xlm_quote	PAID $0.10 per call (https://api.6766587364.lol/v1/quote). Live XLM/USD price plus a Stellar DEX (SDEX) order-book snapshot: best bid/ask, mid, spread and depth. Returns a payment requirement until ca
$0.25 — get_xlm_sentiment_report	PAID $0.25 per call (https://api.6766587364.lol/v1/sentiment-report). PREMIUM: full XLM sentiment report — raw composite components (Fear & Greed, order-flow imbalance, 24h momentum), a directional ve
$0.25 — get_xlm_sentiment_history	PAID $0.25 per call (https://api.6766587364.lol/v1/sentiment-history). PREMIUM: hourly XLM sentiment trend series (Fear & Greed + momentum reconstructed, live order-flow overlaid). Default 24h. Return
$0.10 — get_xlm_network_pulse	PAID $0.10 per call (https://api.6766587364.lol/v1/xlm-network). Stellar on-chain pulse: ledger health, XLM supply stats and 1h XLM/USDC SDEX trade statistics. Verdict-shaped output. Returns a payment
$0.10 — get_arbitrage_opportunities	PAID $0.10 per call (https://api.6766587364.lol/v1/arb-opportunities). Live CEX<->SDEX arbitrage scanner: net spread %% after fees across venues, with a go/no-go verdict. Returns a payment requirement
$0.10 — screen_multi_asset_strategy	PAID $0.10 per call (https://api.6766587364.lol/v1/multi-asset). Strategy screen across 8 major assets: trailing return vs buy-and-hold, momentum and a ranked verdict per asset. Returns a payment requ
$0.10 — get_market_breadth	PAID $0.10 per call (https://api.6766587364.lol/v1/breadth). Market regime check: top-50 breadth, BTC dominance, XLM relative strength and a single risk-on / risk-off verdict. Returns a payment requir
$0.10 — get_attested_quote	PAID $0.10 per call (https://api.6766587364.lol/v1/attested-quote). Oracle-grade signed XLM price quote suitable for contracts and agent-to-agent settlement: attested price with a verifiable signature
$0.10 — get_base_gas_oracle	PAID $0.02 per call (https://api.6766587364.lol/v1/gas). Base (EVM) gas oracle: current gas price in gwei plus a submit-now / wait verdict for agents deciding when to broadcast a transaction. Returns
$0.10 — get_prediction_market_pulse	PAID $0.02 per call (https://api.6766587364.lol/v1/prediction). Polymarket pulse: top prediction markets by 24h volume with implied odds — event probability signal for forecasting agents. Returns a pa
$0.10 — get_base_wallet_intel	PAID $0.02 per call (https://api.6766587364.lol/v1/wallet). Base/EVM wallet intelligence: ENS name, activity summary and USDC balance for a given address. Useful for counterparty screening before a pa
$1.00 — buy_call_credits_bundle	PAID $1.00 per call (https://api.6766587364.lol/v1/bundle). Prepaid credit bundle: $1.00 buys 10 standard call credits (or 5 premium reports). Returns a bundle token to pass as `bundle_token` to other

showing first 15 of 18 published skills — full list in the linked card.json

Card-drift history

Watching this agent since 2026-08-26T05:49:13Z. Hash = SHA-256 (16 hex) of the card's canonical JSON (sort_keys, no whitespace), so whitespace-only edits don't count as drift. Feed: api/a2a-drift.json.

when (UTC)	what	version	skills	hash was	hash now
2026-09-27T09:34:32Z	changed	0.2.0→0.2.0	16→18	`157a3b7ff3`	`29f13170f6`
2026-09-26T07:06:55Z	changed	0.2.0→0.2.0	16→16	`4153b6c3a3`	`157a3b7ff3`
2026-09-23T07:11:08Z	changed	0.2.0→0.2.0	16→16	`157a3b7ff3`	`4153b6c3a3`
2026-08-29T00:24:38Z	removed	0.1.0→?	2→?	`be92c572d2`	`—`

Same host, MCP side

Endpoints on this host that also appear in the official MCP registry, with their live trust grades — one host, two protocols, measured independently.

MCP endpoint	grade	MCP OK	auth
https://api.6766587364.lol/mcp	A	✓	open

Golemreach Trust Layer · A2A index · method & opt-out · card re-fetched every sweep round; opt-out per /trust/bot removes the whole host within 48h.