SYRI — Stablecoin Yield Risk Index
Description
0-100 risk score for stablecoin yield venues (Aave, Morpho, Ondo, Ethena). Pay per call via x402.
What our measurements say
SYRI — Stablecoin Yield Risk Index is a remote MCP server published at syri.rfsrisk.ai. It has been probed 15 times since 9/12/2026. It answered in 15 of them (100.0%), a near-uninterrupted record. Median response time is 1,302 ms, a delay an agent will notice. It offers a narrow, focused set of 3 tools. On the protocol side it still runs 2025-11-25 and has not moved to the newer spec.
Agent readability score
Can an LLM agent pick the right tool here — names, descriptions and parameter clarity are assessed.
Agent readability score
Strengths
- Tools are distinct and serve specific purposes (list, score, status).
- Error handling is mentioned for list_syri_venues.
Weaknesses
- Tool descriptions are vague about when to use them (e.g., get_syri_score's payment logic).
- Parameter explanations are ambiguous (e.g., x_payment's role).
get_syri_score— Payment parameter logic is unclear, risking misuse.list_syri_venues— Error handling explanation is brief and lacks context.
Verdict
Event narrative
Risk: low
Advice
Raw observations
Schema compliance
tools/list structure, inputSchema validity, and a functional smoke test — the components of the 0-100 score.
- tools/list schema valid
- inputSchema is valid JSON Schema
- Smoke test passed · last run:
- Cold-start: cold 196ms → warm 189ms (penalty 7ms)
Tools
Tools the server advertised in the latest measurement — measured, not catalog-claimed.
list_syri_venuesFree. Returns every venue RFS currently scores, with pricing, payment terms and data freshness. Venues outside this list return an error and are never charged.
get_syri_scorePAID: $0.05 USDC on Base per venue, via x402. Returns the risk band (Conservative / Moderate / Speculative) and 0-100 composite. Called without payment, this returns the payment terms rather than the score — that is the expected first response, not a failure. If you can settle x402 payments, pass the encoded authorization as x_payment to receive the score.
entitystringrequiredx_paymentstring
get_syri_statusFree. Reports whether the service is healthy, which network it settles on, how many venues are scored, and how old the data is. Useful before depending on a score.
Availability history
Event log
Derived by comparing consecutive probes — changes in era, protocol version, build and reachability.
- Added to watch — era: Legacy
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[](https://mcpmetrics.io/servers/ai-rfsrisk-syri)<a href="https://mcpmetrics.io/servers/ai-rfsrisk-syri"><img src="https://mcpmetrics.io/badge/ai.rfsrisk/syri/era.svg" alt="mcpmetrics"></a>You are seeing the last 7 days. Sign up for the full history. Which check failed and why is in the dashboard.
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