Yearn Vault Details (APR, TVL, Strategies)

yearn/vault-details

One Yearn vault by chain and address: name, symbol, version, underlying token, TVL in USD, net APR with weekly and monthly points, performance and management fees, the strategies it allocates to with their debt and APR, staking rewards and migration status. A vault that does not exist is a not-found error. Yearn public API data, passed through and served by Eden Engine; not an official Yearn product.

activeper callv1

Price

$0.0026 per call

You pay the price shown. If a call turns out to cost more than its quote, you pay the actual price, capped at twice the quote. No monthly minimum. Top-ups start at $0.50.

Data source

Yearn Finance

Data from the Yearn yDaemon API (yearn.fi). Served by Eden Engine; not an official Yearn product.

Use it

Five steps: search, inspect, learn, run, settle. No per-tool setup; your agent reaches this tool through the meta-tools it already has.

Connect once and your AI can find and run this tool, and any other it needs.

Install it Create an account

agent

// 1. search: find the tool
omnial_search({ query: "what you need" })

// 2. inspect: price and input schema
omnial_inspect({ tool: "yearn/vault-details" })

// 3. learn: read the usage guide at runtime
omnial_learn({ tool: "yearn/vault-details" })

// 4. run: price the exact call first, then run it
omnial_execute({ tool: "yearn/vault-details", input: { /* see input_schema */ }, dry_run: true })
omnial_execute({ tool: "yearn/vault-details", input: { /* ... */ } })

// 5. settle: the call is charged when it finishes, nothing to do

Not connected yet? Point your MCP client at https://mcp.eden-engine.com/mcp, then copy a config for your client.

Pricing

Every charge this tool can incur.

Charge	Price
Per call	$0.0026

Updated: Oct 21, 2026

Input and output schemas

Input schema

input_schema.json

{
  "type": "object",
  "required": [
    "chain",
    "address"
  ],
  "properties": {
    "chain": {
      "enum": [
        "1",
        "10",
        "100",
        "137",
        "146",
        "250",
        "8453",
        "42161",
        "747474"
      ],
      "type": "string",
      "description": "EVM chain id that yDaemon indexes: 1 Ethereum, 10 Optimism, 100 Gnosis, 137 Polygon, 146 Sonic, 250 Fantom, 8453 Base, 42161 Arbitrum, 747474 Katana."
    },
    "address": {
      "type": "string",
      "pattern": "^0x[0-9a-fA-F]{40}$",
      "description": "Vault contract address, 0x plus 40 hex digits. Yearn's USDC vault on Ethereum is 0xBe53A109B494E5c9f97b9Cd39Fe969BE68BF6204."
    }
  },
  "additionalProperties": false
}

Output schema

output_schema.json

{
  "type": "object",
  "required": [
    "address",
    "name",
    "chainID"
  ],
  "properties": {
    "apr": {
      "type": "object",
      "properties": {
        "fees": {
          "type": "object",
          "additionalProperties": true
        },
        "type": {
          "type": "string"
        },
        "netAPR": {
          "type": [
            "number",
            "null"
          ],
          "description": "Net APR as a fraction: 0.0365 = 3.65%."
        },
        "points": {
          "type": "object",
          "additionalProperties": true
        },
        "forwardAPR": {
          "type": "object",
          "additionalProperties": true
        },
        "pricePerShare": {
          "type": "object",
          "additionalProperties": true
        }
      },
      "additionalProperties": true
    },
    "tvl": {
      "type": "object",
      "properties": {
        "tvl": {
          "type": "number",
          "description": "USD."
        },
        "price": {
          "type": "number",
          "description": "Underlying token USD price."
        },
        "totalAssets": {
          "type": "string",
          "description": "Smallest units, string."
        }
      },
      "additionalProperties": true
    },
    "info": {
      "type": "object",
      "additionalProperties": true
    },
    "kind": {
      "type": "string",
      "description": "Multi Strategy or Single Strategy."
    },
    "name": {
      "type": "string"
    },
    "type": {
      "type": "string"
    },
    "debts": {
      "type": "array",
      "items": {
        "type": "object",
        "additionalProperties": true
      }
    },
    "token": {
      "type": "object",
      "properties": {
        "name": {
          "type": "string"
        },
        "symbol": {
          "type": "string"
        },
        "address": {
          "type": "string"
        },
        "decimals": {
          "type": "integer"
        }
      },
      "additionalProperties": true
    },
    "symbol": {
      "type": "string"
    },
    "address": {
      "type": "string",
      "description": "Vault address."
    },
    "chainID": {
      "type": "integer"
    },
    "staking": {
      "type": "object",
      "additionalProperties": true
    },
    "version": {
      "type": "string"
    },
    "category": {
      "type": "string"
    },
    "decimals": {
      "type": "integer"
    },
    "migration": {
      "type": "object",
      "additionalProperties": true
    },
    "strategies": {
      "type": "array",
      "items": {
        "type": "object",
        "required": [
          "address",
          "name"
        ],
        "properties": {
          "name": {
            "type": "string"
          },
          "netAPR": {
            "type": "number"
          },
          "status": {
            "type": "string"
          },
          "address": {
            "type": "string"
          },
          "details": {
            "type": "object",
            "properties": {
              "debtRatio": {
                "type": "number"
              },
              "totalDebt": {
                "type": "string"
              },
              "totalGain": {
                "type": "string"
              },
              "totalLoss": {
                "type": "string"
              },
              "lastReport": {
                "type": "number"
              },
              "performanceFee": {
                "type": "number"
              }
            },
            "additionalProperties": true
          }
        },
        "additionalProperties": true
      }
    },
    "description": {
      "type": "string"
    },
    "pricePerShare": {
      "type": "string"
    },
    "featuringScore": {
      "type": "number"
    }
  },
  "additionalProperties": true
}