Teardrop get_chain_metrics: Compare blockchain ecosystem health via DeFiLlama: current…
Teardrop get_chain_metrics: Compare blockchain ecosystem health via DeFiLlama: current TVL, 7/30-day TVL change, and aggregate fee activity. Pass chains such as ['Ethereum', 'Arbitrum', 'Solana'] for a focused comparison, or omit chains to inspect the highest…
by api.teardrop.dev · discovered, not yet claimed by its owner · updated 2026-10-08
Mirrored from Coinbase's public x402 Bazaar. The description is the provider's own text and has not been reviewed here; the payment requirements are copied as published.
What it does
Teardrop get_chain_metrics: Compare blockchain ecosystem health via DeFiLlama: current TVL, 7/30-day TVL change, and aggregate fee activity. Pass chains such as ['Ethereum', 'Arbitrum', 'Solana'] for a focused comparison, or omit chains to inspect the highest-TVL ecosystems.
Tags: bazaar
Call contract
- Method
- HTTP
- Input
- HTTP request
- Output
- json
- Last paid call
- 2026-10-05
{
"chains": [],
"note": "",
"requested_chains": [],
"total_available": 0
}Use with an agent
- Discover. Agents find this listing with
GET https://bazaar.saylorinnovations.com/discovery/search?query=…, the MCP toolsearch_resources, or/discovery/resources. - Inspect. Fetch
/resources/37933.jsonfor the price and payment options. - Pay. Call
GET https://api.teardrop.dev/tools/mcp#get_chain_metrics. The provider answers402with its payment requirements. An x402 client signs one of the options below and retries withPAYMENT-SIGNATURE. - Execute. The provider returns
200with the data. Agent Bazaar is not in the request path and never sees your payment.
For humans
You don't need an account or an API key; you need a wallet holding a small amount of USDC on Base, and an x402-capable client (see the examples below). Call the endpoint unpaid first to see exactly what it asks for.
Pricing & payment
- Price
- $0.005 / request
- Protocol
- x402 v2
- Auth
- No account or API key. Pay per request.
- Networks
- Base
x402 payment requirements
| Scheme | Network | Asset | Amount | Pay to | Timeout |
|---|---|---|---|---|---|
| exact | Base eip155:8453 | USDC | $0.005 | 0xF2Eec9De86274913F85A8aA6427Ad65a9B0bC90a | 300s |
accepts[] (raw JSON)
[
{
"scheme": "exact",
"network": "eip155:8453",
"payTo": "0xF2Eec9De86274913F85A8aA6427Ad65a9B0bC90a",
"asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
"amount": "5000",
"amountUsd": 0.005,
"maxTimeoutSeconds": 300
}
]Schemas
Output schema (JSON Schema)
{
"properties": {
"example": {
"properties": {
"chains": {
"items": {
"properties": {
"chain": {
"type": "string"
},
"chain_id": {
"anyOf": [
{
"type": "integer"
},
{
"type": "string"
},
{
"type": "null"
}
]
},
"error": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null
},
"error_type": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null
},
"fees_24h_usd": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"fees_30d_change_pct": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"fees_30d_usd": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"fees_7d_change_pct": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"fees_7d_usd": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"token_symbol": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
]
},
"tvl_30d_change_pct": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"tvl_7d_change_pct": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
},
"tvl_usd": {
"anyOf": [
{
"type": "number"
},
{
"type": "null"
}
]
}
},
"required": [
"chain",
"chain_id",
"token_symbol",
"tvl_usd",
"tvl_7d_change_pct",
"tvl_30d_change_pct",
"fees_24h_usd",
"fees_7d_usd",
"fees_30d_usd",
"fees_7d_change_pct",
"fees_30d_change_pct"
],
"type": "object"
},
"type": "array"
},
"error": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null
},
"error_type": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null
},
"note": {
"type": "string"
},
"provenance": {
"anyOf": [
{
"description": "Machine-readable source and freshness metadata for a tool response.",
"properties": {
"cache_age_seconds": {
"anyOf": [
{
"minimum": 0,
"type": "number"
},
{
"type": "null"
}
],
"default": null
},
"cache_hit": {
"default": false,
"type": "boolean"
},
"cache_ttl_seconds": {
"anyOf": [
{
"minimum": 0,
"type": "integer"
},
{
"type": "null"
}
],
"default": null
},
"provider": {
"type": "string"
},
"retrieved_at": {
"type": "string"
},
"source_fetched_at": {
"anyOf": [
{
"type": "string"
},
{
"type": "null"
}
],
"default": null
},
"source_urls": {
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"provider",
"retrieved_at"
],
"type": "object"
},
{
"type": "null"
}
],
"default": null,
"description": "Source and freshness metadata for the DeFiLlama response."
},
"requested_chains": {
"anyOf": [
{
"items": {
"type": "string"
},
"type": "array"
},
{
"type": "null"
}
]
},
"total_available": {
"type": "integer"
}
},
"required": [
"chains",
"requested_chains",
"total_available",
"note"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}Example shape — generated from the schema, not a captured live response
{
"example": {
"chains": [
{
"chain": "string",
"chain_id": null,
"error": null,
"error_type": null,
"fees_24h_usd": null,
"fees_30d_change_pct": null,
"fees_30d_usd": null,
"fees_7d_change_pct": null,
"fees_7d_usd": null,
"token_symbol": null,
"tvl_30d_change_pct": null,
"tvl_7d_change_pct": null,
"tvl_usd": null
}
],
"error": null,
"error_type": null,
"note": "string",
"provenance": null,
"requested_chains": null,
"total_available": 0
},
"type": "string"
}Examples
curl "https://api.teardrop.dev/tools/mcp#get_chain_metrics"
# -> 402 Payment Required, accepts[] lists how to pay
# retry with a PAYMENT-SIGNATURE (or PAYMENT header) once paidconst res = await fetch("https://api.teardrop.dev/tools/mcp#get_chain_metrics");
if (res.status === 402) {
const { accepts } = await res.json();
// pay one of accepts[] via an x402 client, then retry with the payment header
}import httpx
res = httpx.get("https://api.teardrop.dev/tools/mcp#get_chain_metrics")
if res.status_code == 402:
accepts = res.json()["accepts"]
# pay one of accepts[] via an x402 client, then retry with the payment headerDetails
- Provider
- api.teardrop.dev
- Endpoint
- https://api.teardrop.dev/tools/mcp#get_chain_metrics
- Machine-readable
/resources/37933.json