How do I connect Fingerprint MCP Server to Claude?

Run `claude mcp add fingerprint-mcp -- npx -y fingerprint-mcp` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.

Is Fingerprint MCP Server free?

The listed licence is AGPL-3.0. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.

What can Fingerprint MCP Server do?

Fingerprint MCP Server documents 40 tools to the agent, including dns_caa, dns_email_auth, dns_records. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.

Fingerprint MCP

Unclaimed

by badchars

Universal digital fingerprinting MCP server — 103 techniques in 13 tools for TCP/TLS/SSH/HTTP/DNS/WAF/IoT fingerprinting, C2 detection, OSINT enrichment

Set up this server

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01 / Choose your client

02 / Before you connect

Authentication is not specified. Check the project instructions before connecting.

Install the runtime required by the project and make it available to your client.

Project instructionsEnvironment variable names (optional)

Use names from the project instructions, separated by commas. Enter names only, never secret values.

03 / Add the configuration

Source: generated from public install instructions

claude mcp add --transport stdio 'fingerprint-mcp' -- 'npx' '-y' 'fingerprint-mcp'

Run in your terminal after replacing any placeholders.

04 / Check it in your client

Open your client’s MCP settings and confirm the server connects and lists its tools. A copied configuration does not confirm a working connection.

aiai-agentclaudecybersecuritydnsfingerprintfingerprintinghttpja4jarm

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Security profile

Claimed and verified servers get a weekly static scan that shows what the code can reach: external services, environment variables, shell commands, agent configuration folders, plus any dependencies with known advisories. Claim this listing to get one. How the security profile works

40 of 40 tools

Documented tools (40)

From project documentation. A server handshake does not verify each tool’s description or behavior.

dns_caa

CAA record analysis for certificate authority restrictions

dns_email_auth

SPF, DKIM, and DMARC record analysis

dns_records

Full record enumeration — A, AAAA, MX, NS, TXT, CNAME, SOA

dns_saas

SaaS/service detection via CNAME and MX patterns (Slack, Zendesk, etc.)

dns_server

DNS server fingerprinting (BIND, PowerDNS, Cloudflare, etc.)

dns_takeover

Subdomain takeover detection via dangling CNAME analysis

dns_zone

Zone transfer attempt (AXFR)

http_caching

HTTP

http_compression

HTTP

http_cookies

HTTP

http_cors

HTTP

http_error

HTTP

http_etag

HTTP

http_favicon

HTTP

http_header_order

HTTP

http_headers

HTTP

http_methods

HTTP

http_redirect

HTTP

http_robots

HTTP

http_security_headers

HTTP

http_sitemap

HTTP

http_timing

HTTP

http_wellknown

HTTP

tcp_analysis

Port combination analysis and service inference

tcp_banner

Banner grabbing on open ports for service identification

tcp_probe

TCP connect scan to detect open ports

tls_certificate

X.509 certificate parsing — subject, issuer, SANs, validity, chain

tls_ciphers

Cipher suite enumeration and strength analysis

tls_ct_logs

Certificate Transparency log lookup via crt.sh

tls_ja4x

JA4X passive TLS fingerprinting from certificate properties

tls_jarm

JARM active fingerprinting — 10 TLS Client Hello probes, 62-char hash

tls_ocsp

OCSP stapling and revocation status check

tls_protocols

Supported TLS protocol version detection (SSLv3 through TLS 1.3)

tls_sni

SNI behavior testing — default cert vs. requested hostname

web_analytics

Web

web_graphql

Web

web_sourcemaps

Web

web_spa

Web

web_tech

Web

web_websocket

Web

Tool change history

Compared across complete checks of the same configuration. Tools were listed, not invoked. Input-schema changes are not measured here.

No complete tool checks yet.

FAQ

Questions about Fingerprint MCP Server

How do I connect Fingerprint MCP Server to Claude?: Run `claude mcp add fingerprint-mcp -- npx -y fingerprint-mcp` in Claude Code, or add the same command and arguments under mcpServers in Cursor's mcp.json or Claude Desktop's claude_desktop_config.json, then restart the client. The blocks above are ready to paste.
Is Fingerprint MCP Server free?: The listed licence is AGPL-3.0. Check the upstream terms for permitted use and commercial requirements; a public repository does not by itself mean the software is free or open source. Connected APIs and hosted services may have separate charges.
What can Fingerprint MCP Server do?: Fingerprint MCP Server documents 40 tools to the agent, including dns_caa, dns_email_auth, dns_records. The descriptions above come from project documentation. A live handshake does not test individual tool behavior.