Contract Security Scanner MCP Server

mcp-contract-security

MCP smart contract scanner with NEAR-focused security context.

7/wk 0 tools GitHub npm

No known CVEs

No license

Maintained

Last commit 75d ago

Works with most clients

Transport: stdio, sse, http

0 tools

Grade F

Edit this pageView history

Security

Step 1

Install in your client

Config is the same across clients — only the file and path differ.

Supported in Claude Desktopstdio, sse, http · Node 18+

Paste into ~/Library/Application Support/Claude/claude_desktop_config.json

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

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Read me

What Contract Security Scanner MCP Server does

scan_contract currently detects heuristic patterns for: - Integer overflow/underflow risk

Test This Server

Run this in your terminal to verify the server starts. Then let us know if it worked — your result helps other developers.

npx -y 'mcp-contract-security' 2>&1 | head -1 && echo "✓ Server started successfully"

After testing, let us know if it worked:

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Scored, not listed

Why this score

Five weighted categories — click any category to see the underlying evidence.

Score breakdown

50/100across 5 weighted dimensions

How we score →

0255075100

−50

Security

Maintenance

Efficiency

Documentation

Compatibility

Categoriesclick a row to see evidence

Security

OSV.dev

No known CVEs.

Checked mcp-contract-security against OSV.dev.

Community

Reviews

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Have you used this server?

Share your experience — it helps other developers decide.

How easy was setup?Did it work reliably?How was the documentation?

Frequently Asked Questions

Is Contract Security Scanner MCP Server safe to use?: Contract Security Scanner MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.
How do I install Contract Security Scanner MCP Server?: Contract Security Scanner MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.
What AI clients work with Contract Security Scanner MCP Server?: Contract Security Scanner MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.
Is Contract Security Scanner MCP Server actively maintained?: Contract Security Scanner MCP Server is recently maintained — last commit was 75 days ago.

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Community

Discussion

Start a conversation

Ask a question, share a tip, or report an issue.

Has anyone used this with Cursor?How do you handle auth?Any alternatives?

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

Frequently Asked Questions

Is Contract Security Scanner MCP Server safe to use?

Contract Security Scanner MCP Server has no known CVEs as of the latest MCPpedia security scan. It does not require authentication, so any local process can connect — keep this in mind in shared environments.

How do I install Contract Security Scanner MCP Server?

Contract Security Scanner MCP Server supports copy-paste install configs on its MCPpedia page for Claude Desktop, Cursor, and Claude Code. Scroll to the Quick Install section and select your client.

What AI clients work with Contract Security Scanner MCP Server?

Contract Security Scanner MCP Server is compatible with claude-desktop, cursor, claude-code. It uses stdio and sse and http transport.

Is Contract Security Scanner MCP Server actively maintained?

Contract Security Scanner MCP Server is recently maintained — last commit was 75 days ago.

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

npm install -g mcp-contract-security

Published package:

MCP config (Claude Desktop)

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

Tool usage

`scan_contract`

Input:

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

`compare_security_models`

Input (optional):

{
  "language": "solidity"
}

`audit_checklist`

Input (optional):

{
  "language": "rust"
}

Local development

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