# 47620 Base + Polygon Data API

> 47620 Base + Polygon Data API, an MCP server by 47620.xyz, listed from the official MCP registry. Indexed, not reviewed: facts and our own checks, no score or ranking. Pay-per-call Base and Polygon onchain data over x402 for AI agents.

- Canonical: https://www.anchorterminal.com/tools/47620-evm-data
- Markdown: https://www.anchorterminal.com/tools/47620-evm-data.md (~1,550 tokens)
- Slim: https://www.anchorterminal.com/tools/47620-evm-data.min.md (~1,480 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/tools/47620-evm-data.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-05

# 47620 Base + Polygon Data API

> Indexed, not reviewed: facts from the official MCP registry and our own checks. No score, grade or rank, and not in the rankings until the panel reviews it. How the index works: https://www.anchorterminal.com/indexed/

- Kind: MCP server, by 47620.xyz (https://47620.xyz)
- Category: Payment & monetisation platforms (https://www.anchorterminal.com/categories/payment-platforms.md)
- Listed because: It's published in the registry under 47620.xyz, a namespace the registry only gives to whoever proves they control that domain.
- What the official MCP registry says: Pay-per-call Base and Polygon onchain data over x402 for AI agents.

## Facts

- MCP registry: `xyz.47620/evm-data` 1.0.0
- Endpoint: https://47620.xyz/mcp/evm (streamable HTTP)
- Package: npm `47620-evm-mcp` (stdio)
- Source: https://github.com/fito311/evm-data-mcp
- npm downloads a week: 186
- Registry entry updated: 2026-09-23

## Tools

- Tools it lists (18, about 1,273 tokens of context, `tools/list` without credentials over MCP 2025-11-25, checked 2026-10-04 22:26 UTC):
  - `base_health`: base network health: chain id, latest block, gas price, native token USD price. Cheapest call. Pay-per-call ($0.002 USDC).
  - `base_block`: Header + summary for a base block by number (or "latest"): hash, timestamp, tx count, gas used, base fee. Pay-per-call ($0.005 USDC).
  - `base_balance`: Native balance + live USD value for any base address. Pay-per-call ($0.005 USDC).
  - `base_stables`: USDC/USDT/DAI balances for a base address in one call. Pay-per-call ($0.01 USDC).
  - `base_token`: Live price, liquidity, 24h volume + DEX pairs for any base ERC-20 token (plus onchain name/symbol/decimals). Pay-per-call ($0.02 USDC).
  - `base_tx`: Status (success/reverted), block, gas + transfer summary for a base tx hash. Pay-per-call ($0.01 USDC).
  - `base_contract`: Whether a base address is a contract, bytecode size + ERC-20 metadata. Pay-per-call ($0.01 USDC).
  - `base_gas`: Current base gas price (gwei + wei) + estimated cost of a 21k native transfer. Pay-per-call ($0.005 USDC).
  - `base_trending`: Trending base DEX pairs by 24h volume (DexScreener boosts). Fresh feed for agents. Pay-per-call ($0.02 USDC).
  - `polygon_health`: polygon network health: chain id, latest block, gas price, native token USD price. Cheapest call. Pay-per-call ($0.002 USDC).
  - `polygon_block`: Header + summary for a polygon block by number (or "latest"): hash, timestamp, tx count, gas used, base fee. Pay-per-call ($0.005 USDC).
  - `polygon_balance`: Native balance + live USD value for any polygon address. Pay-per-call ($0.005 USDC).
  - `polygon_stables`: USDC/USDT/DAI balances for a polygon address in one call. Pay-per-call ($0.01 USDC).
  - `polygon_token`: Live price, liquidity, 24h volume + DEX pairs for any polygon ERC-20 token (plus onchain name/symbol/decimals). Pay-per-call ($0.02 USDC).
  - `polygon_tx`: Status (success/reverted), block, gas + transfer summary for a polygon tx hash. Pay-per-call ($0.01 USDC).
  - `polygon_contract`: Whether a polygon address is a contract, bytecode size + ERC-20 metadata. Pay-per-call ($0.01 USDC).
  - `polygon_gas`: Current polygon gas price (gwei + wei) + estimated cost of a 21k native transfer. Pay-per-call ($0.005 USDC).
  - `polygon_trending`: Trending polygon DEX pairs by 24h volume (DexScreener boosts). Fresh feed for agents. Pay-per-call ($0.02 USDC).
- How its tools read to an agent (0 errors, 27 warnings, 1 note, about 1,273 tokens; rules at https://www.anchorterminal.com/check.md; not part of the score):
  - warn TC16 base_balance: no readOnlyHint or destructiveHint
  - warn TC16 base_block: no readOnlyHint or destructiveHint
  - warn TC16 base_contract: no readOnlyHint or destructiveHint
  - warn TC16 base_gas: no readOnlyHint or destructiveHint
  - warn TC16 base_health: no readOnlyHint or destructiveHint
  - warn TC16 base_stables: no readOnlyHint or destructiveHint
  - warn TC16 base_token: no readOnlyHint or destructiveHint
  - warn TC16 base_trending: no readOnlyHint or destructiveHint
  - warn TC16 base_tx: no readOnlyHint or destructiveHint
  - warn TC16 polygon_balance: no readOnlyHint or destructiveHint
  - warn TC16 polygon_block: no readOnlyHint or destructiveHint
  - warn TC16 polygon_contract: no readOnlyHint or destructiveHint
  - warn TC16 polygon_gas: no readOnlyHint or destructiveHint
  - warn TC16 polygon_health: no readOnlyHint or destructiveHint
  - warn TC16 polygon_stables: no readOnlyHint or destructiveHint
  - warn TC16 polygon_token: no readOnlyHint or destructiveHint
  - warn TC16 polygon_trending: no readOnlyHint or destructiveHint
  - warn TC16 polygon_tx: no readOnlyHint or destructiveHint
  - warn TC21 base_balance: described almost the same as polygon_balance (83% of the same words)
  - warn TC21 base_block: described almost the same as polygon_block (94% of the same words)
  - warn TC21 base_contract: described almost the same as polygon_contract (85% of the same words)
  - warn TC21 base_gas: described almost the same as polygon_gas (87% of the same words)
  - warn TC21 base_health: described almost the same as polygon_health (89% of the same words)
  - warn TC21 base_stables: described almost the same as polygon_stables (82% of the same words)

- JSON: https://www.anchorterminal.com/api/v1/tools/47620-evm-data.json
- Being indexed says nothing about quality, and nobody can pay for it. Ask for a review: https://www.anchorterminal.com/builders/#claiming