Contract Guard MCP

EVM contract/token risk check + ERC20 approval (proxy, EIP-7702, unlimited-allowance).

Connector by eltociear · GitHub account verified by the MCP Registry

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Install

Works with Claude Code, Codex, VS Code, Cursor, Windsurf, Claude Desktop. Read the repository before you give any tool access to your data.

npx agentmarket install connector/eltociear-contract-guard-mcp

Asks which of your tools to add it to (Claude Code, Codex, Cursor, VS Code, Windsurf, Gemini CLI, Claude Desktop) and shows the change first. See https://agentmart.dev/cli.

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About

EVM contract/token risk check + ERC20 approval (proxy, EIP-7702, unlimited-allowance). Zero deps.

Reviews

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Permissions

What this server can do and what it asks for, from its tool list and install config. Checked Oct 25, 2026.

Tools: 2 read · 0 write · 0 deleteRead-only
Secrets: None asked for
Install scripts: Not scanned yet
Runs as: Docker image

Tools by what they do 2

Read from the source code; the running server may list different tools.

Read 2 · Look things up without changing anything.

check_approval
check_contract

Tools (2)

Read from the source code; the running server may differ. Descriptions are the server’s own words; hidden characters are shown as [U+…].

check_approval
Check how much of an owner's ERC20 token a spender is approved to move (allowance). Flags UNLIMITED approvals — the #1 wallet-drain vector. Call this to audit existing approvals or before signing an approve(). Pure public RPC, no signing.
check_contract
Pre-interaction risk check for an EVM contract/token address. Returns: is-contract vs EOA, EIP-7702 delegated-EOA detection, upgradeable-proxy detection (EIP-1967 + legacy), ERC20 metadata (name/symbol/decimals/totalSupply), and a risk score with actionable flags. Call this before approving, swapping, or trusting a token. Pure public RPC, no signing.

Signals

Stars: 0
Forks: 1
Open issues: 0
Last commit: Aug 19, 2026 (2 months ago)
Last release: Jun 8, 2026 (4 months ago)

From GitHub (fetched Oct 24, 2026).

Details

Registry name: io.github.eltociear/contract-guard-mcp
Version: 1.1.0
Auth: No auth
Packages: oci ghcr.io/eltociear/contract-guard-mcp:mcp-1.1.0
License: MIT
Repository: github.com/eltociear/contract-guard-mcp
First seen: Oct 24, 2026
Last checked: Oct 24, 2026
Source: Official MCP Registry github-graphql

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Cite this page

Contract Guard MCP. Agent Mart. https://agentmart.dev/connectors/eltociear-contract-guard-mcp (last updated 2026-10-24)