Web3 Research MCP vs Gas Estimator API

A side-by-side look at the Web3 Research MCP and Gas Estimator API MCP servers: transport, auth, tools, quality signals, and the config to install either one in Claude, Cursor, Windsurf or VS Code.

Web3 Research MCP logoWeb3 Research MCPFinance & Fintech · Local subprocess (stdio)Deep Research for crypto - free & fully local68GreatAuth: no auth requiredGas Estimator API logoGas Estimator APIFinance & Fintech · Remote HTTP/SSEMulti-chain gas estimation — ETH, Base, Polygon, Arbitrum, BSC. x402 micropayment.48FairAuth: not declared

Verdict: choose Web3 Research MCP for finance & fintech work as a local process; choose Gas Estimator API for finance & fintech over a hosted endpoint. You can also run both side by side in one mcpServers block.

Which MCP server should you choose?

Web3 Research MCP logoChoose Web3 Research MCP when

  • You need dedicated capabilities in the Finance & Fintech domain.
  • You prefer a local stdio subprocess transport.
  • Its auth model fits you: No auth required.
  • You want tools like search, create-research-plan, research-with-keywords.
Explore Web3 Research MCP

Gas Estimator API logoChoose Gas Estimator API when

  • You need dedicated capabilities in the Finance & Fintech domain.
  • You prefer a remote HTTP/SSE transport.
  • You want tools like crypto_estimate_gas, chain.
Explore Gas Estimator API

Feature & specification comparison

Rows where the two servers differ are marked.

SpecWeb3 Research MCP logoWeb3 Research MCPGas Estimator API logoGas Estimator API
CategoryFinance & FintechFinance & Fintech
Quality signal68/100 · Great48/100 · Fair
Install commandConfirmedConfirmed
TransportLocal subprocess (stdio)Remote HTTP/SSE
AuthNo auth requiredNot declared
PricingFreeNot declared
Required env varsNone listedNone listed
Verified ownerCommunity listingCommunity listing
GitHub stars1690
Directory activity 4 views 0 installs 0 upvotes 3 views 0 installs 0 upvotes
Tools132

Tools & capabilities

Web3 Research MCP tools 13

  • search
  • create-research-plan
  • research-with-keywords
  • update-status
  • fetch-content
  • search-source
  • list-resources
  • research-source
  • coingecko-data
  • coingecko-search
  • coingecko-tickers
  • defillama-data
  • +1 more on the listing page

Gas Estimator API tools 2

  • crypto_estimate_gasGet gas price estimates across multiple EVM chains with USD cost
  • chainChain name: ethereum, base, polygon, arbitrum, bsc. Omit for all chains.

Ready-to-paste client configs

Paste either block (or both) into your client config, e.g. claude_desktop_config.json or ~/.cursor/mcp.json. We only show a config when the install command is confirmed.

Web3 Research MCP

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "aaronjmars-web3-research-mcp": {
      "command": "npx",
      "args": [
        "-y",
        "web3-research-mcp@latest"
      ]
    }
  }
}

Gas Estimator API

mcpServers (Claude Desktop / Cursor)
{
  "mcpServers": {
    "gas-estimator-api": {
      "url": "https://gas-estimator.api.klymax402.com/mcp"
    }
  }
}

Frequently asked questions

Web3 Research MCP is categorized under Finance & Fintech and uses a local stdio subprocess. Gas Estimator API belongs to Finance & Fintech and uses a remote HTTP/SSE transport. Pick Web3 Research MCP for finance & fintech work and Gas Estimator API for finance & fintech.

Copy the mcpServers block from the config section on this page into your client's config (for example claude_desktop_config.json or ~/.cursor/mcp.json), then fully restart the client.

Web3 Research MCP is listed as free. Auth: no auth required. Gas Estimator API has no declared pricing — check the project's own site. If a server needs environment variables such as API keys, define them under the env key in your client's MCP config.

Yes. MCP clients support multiple servers: add aaronjmars-web3-research-mcp and gas-estimator-api as separate keys in the same mcpServers object, and your assistant will call tools from either one.

On AllMCPs, Web3 Research MCP has a quality signal of 68/100 (Great) with 4 views, 0 installs and 169 GitHub stars. Gas Estimator API has 48/100 (Fair) with 3 views, 0 installs and 0 GitHub stars.