SouthPow API

buy_yields_protocol_blazestake

Paid. Live DeFi yields for blazestake: its pools across chains with APY, TVL, 7d APY change (DefiLlama data). $0.002 USDC on Base or Solana. No account, no API key. Failed calls not charged. URL https://southpow.media/v1/yields/protocol/blazestake.

Tool call template

This tool declares no required parameters. Add optional parameters from the input schema as needed.

{
  "id": 1,
  "jsonrpc": "2.0",
  "method": "tools/call",
  "params": {
    "arguments": {},
    "name": "buy_yields_protocol_blazestake"
  }
}

Input Schema

Name	Required	Description
`sort`	No	tvl (default) or apy
`limit`	No	Rows, 1-100 (default 20)
`min_tvl_usd`	No	Minimum pool TVL in USD (default 100000)

Schema Changelog

Changes observed during successful MCP inspections.

AddedNov 4, 2026

TDQS

A3.7/5.0

Behavior4/5

Does the description disclose side effects, auth requirements, rate limits, or destructive behavior?

With no annotations, the description carries the full burden and does well: it discloses the price ($0.002 USDC on Base or Solana), the payment assets, that no account or API key is needed, and that failed calls are not charged. It omits rate limits, latency, and pagination behavior, which keeps it short of a 5.

Agents need to know what a tool does to the world before calling it. Descriptions should go beyond structured annotations to explain consequences.

Conciseness4/5

Is the description appropriately sized, front-loaded, and free of redundancy?

Front-loaded and dense: cost and data content come first, billing/auth caveats second, endpoint last. The staccato fragment style ('Paid. Live DeFi yields...') is efficient with no filler, though marginally less readable than prose would be.

Shorter descriptions cost fewer tokens and are easier for agents to parse. Every sentence should earn its place.

Completeness4/5

Given the tool's complexity, does the description cover enough for an agent to succeed on first attempt?

There is no output schema, but the description still enumerates the returned fields (pools across chains, APY, TVL, 7d change), so an agent knows what to expect. Combined with 100% schema coverage of the three optional parameters, the only real gaps are pagination and result-ordering behavior.

Complex tools with many parameters or behaviors need more documentation. Simple tools need less. This dimension scales expectations accordingly.

Parameters3/5

Does the description clarify parameter syntax, constraints, interactions, or defaults beyond what the schema provides?

Schema coverage is 100%, so sort, limit, and min_tvl_usd are already fully documented with defaults in the schema. The description adds no sorting, default, or range semantics beyond what the schema states, so baseline 3 applies.

Input schemas describe structure but not intent. Descriptions should explain non-obvious parameter relationships and valid value ranges.

Purpose4/5

Does the description clearly state what the tool does and how it differs from similar tools?

States a concrete verb and resource: live DeFi yield pools for the protocol blazestake, including the fields returned (APY, TVL, 7d APY change) and data source (DefiLlama). The phrase 'its pools across chains' implicitly separates it from the chain-scoped siblings (buy_yields_chain_*), though it never names a sibling outright.

Agents choose between tools based on descriptions. A clear purpose with a specific verb and resource helps agents select the right tool.

Usage Guidelines3/5

Does the description explain when to use this tool, when not to, or what alternatives exist?

Usage is only implied: an agent can infer this is the right tool when it wants protocol-level yields rather than chain- or token-level ones, but there is no explicit when-to-use/when-not statement or named alternative. Prerequisites (payment rail, no API key) are given, which partially compensates.

Agents often have multiple tools that could apply. Explicit usage guidance like "use X instead of Y when Z" prevents misuse.

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