Contract Security Scanner

MCP smart contract scanner with NEAR-focused security context.

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent — or use 1-click editor setup below.

Add to Cursor Add to VS Code

Manual Client & Custom JSON ConfigExpand JSON ▾

Client Config & Setup

Choose your client or environment

Target File:~/Library/Application Support/Claude/claude_desktop_config.json

claude_desktop_config.json

{
  "mcpServers": {
    "contract-security-scanner-2": {
      "command": "npx",
      "args": [
        "-y",
        "contract-security-scanner-2"
      ]
    }
  }
}

💡 Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Documentation Overview

mcp-contract-security

MCP server for smart contract security scanning.

Implements the required tools:

scan_contract
compare_security_models
audit_checklist

Supports languages:

solidity
rust
typescript

What it checks

scan_contract currently detects heuristic patterns for:

Reentrancy
Integer overflow/underflow risk
Access control issues
Front-running exposure
Oracle manipulation risk

The output includes:

vulnerability list with severity/type/line
security_score
near_equivalent_score
NEAR-specific security notes and recommendation

Install

Terminal

npm install -g mcp-contract-security

Published package:

MCP config (Claude Desktop)

config.json

{
  "mcpServers": {
    "contract-security": {
      "command": "mcp-contract-security"
    }
  }
}

Tool usage

`scan_contract`

Input:

config.json

{
  "code": "contract source code here",
  "language": "solidity"
}

`compare_security_models`

Input (optional):

config.json

{
  "language": "solidity"
}

`audit_checklist`

Input (optional):

config.json

{
  "language": "rust"
}

Local development

Terminal

npm install
npm run check

Deliverable assets

Additional publish assets are prepared in deliverables/:

deliverables/mcp-registry-submission.md
deliverables/security-subreddit-posts.md
deliverables/blog-why-near-contracts-safer.md
server.json (MCP Registry metadata, schema-validated)

License

MIT

Read the full README →View source on GitHub →

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Frequently Asked Questions about Contract Security Scanner

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "contract-security-scanner": { "command": "npx", "args": ["-y", "contract-security-scanner"] } }

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Technical Specs & Signals

CategoryDeveloper Tools

25Quality signal: Emerging · 25/100How this signal is calculated ▾

Server availabilityNot measured

Not scored for repo-hosted servers — we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership8/20

Documentation & tools10/30

Adoption & activity1/15

Community engagement0/10

A guidance signal from public completeness & health data — not a user rating. New listings start lower and rise as they add docs, get verified, and grow adoption. Signals we can't observe for a listing are skipped, not counted against it.

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More in 💻 Developer Tools →Best MCP servers for Developers →Alternatives to Contract Security Scanner →Install in Claude Desktop Install in Cursor Install in VS Code

Documentation Overview

mcp-contract-security

MCP server for smart contract security scanning.

Implements the required tools:

scan_contract
compare_security_models
audit_checklist

Supports languages:

solidity
rust
typescript

What it checks

scan_contract currently detects heuristic patterns for:

Reentrancy
Integer overflow/underflow risk
Access control issues
Front-running exposure
Oracle manipulation risk

The output includes:

vulnerability list with severity/type/line
security_score
near_equivalent_score
NEAR-specific security notes and recommendation

Install

Terminal

npm install -g mcp-contract-security

Published package:

MCP config (Claude Desktop)

config.json

{
  "mcpServers": {
    "contract-security": {
      "command": "mcp-contract-security"
    }
  }
}

Tool usage

`scan_contract`

Input:

config.json

{
  "code": "contract source code here",
  "language": "solidity"
}

`compare_security_models`

Input (optional):

config.json

{
  "language": "solidity"
}

`audit_checklist`

Input (optional):

config.json

{
  "language": "rust"
}

Local development

Terminal

npm install
npm run check

Deliverable assets

Additional publish assets are prepared in deliverables/:

deliverables/mcp-registry-submission.md
deliverables/security-subreddit-posts.md
deliverables/blog-why-near-contracts-safer.md
server.json (MCP Registry metadata, schema-validated)

License

MIT

Frequently Asked Questions about Contract Security Scanner

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "contract-security-scanner": { "command": "npx", "args": ["-y", "contract-security-scanner"] } }