INDIVIDUAL MCP TOOL

simulate

Simulate a call and return success, gas, decoded return, and best-effort state diff / asset changes / logs.

gulltoppr.devnone authenticationAvailability not checked

Input schema

{}

Inferred read-only · medium confidence · heuristic, not a guarantee.

No write-capable action terms were found; this is not proof that invocation has no side effects.

CONNECT WITH APPROVAL

Review this server and its permissions before adding it. Secret placeholders must be set locally.

Codex

~/.codex/config.toml

[mcp_servers.gulltoppr-dev]
url = "https://mcp.gulltoppr.dev/mcp"
enabled = true

Claude Code

.mcp.json

{
  "mcpServers": {
    "gulltoppr-dev": {
      "type": "http",
      "url": "https://mcp.gulltoppr.dev/mcp"
    }
  }
}

Claude Desktop

Settings → Connectors → Add custom connector

Name: gulltoppr-dev
Remote MCP URL: https://mcp.gulltoppr.dev/mcp

Add this remote URL as a custom connector in Claude Desktop. Availability depends on the user plan and workspace policy.

Cursor

.cursor/mcp.json

{
  "mcpServers": {
    "gulltoppr-dev": {
      "url": "https://mcp.gulltoppr.dev/mcp"
    }
  }
}

Visual Studio Code

.vscode/mcp.json

Add to Visual Studio Code

{
  "servers": {
    "gulltoppr-dev": {
      "type": "http",
      "url": "https://mcp.gulltoppr.dev/mcp"
    }
  }
}

Generic MCP

Client-specific MCP configuration

{
  "name": "gulltoppr-dev",
  "transport": "streamable-http",
  "url": "https://mcp.gulltoppr.dev/mcp"
}

MCP Inspector

Run the official MCP Inspector locally and enter the indexed Streamable HTTP endpoint.

resolve_abi — Resolve a contract's interface from chain + address via a fallback ladder (Etherscan → Sourcify → proxy → heimdall decompile → 4byte).
read_contract — Call a view/pure function and get the decoded result.
encode_call — Encode a function call to calldata (0x…) without sending anything.
prepare_tx — Prepare a contract WRITE for the user to sign.
decode_tx — Decode what a transaction did: decoded calldata (and trace when available), via heimdall.
resolve_name — Resolve an ENS name to an address, or an address to its primary ENS name.