asn_prefixes
asn prefixes
Cognita MCP
v1.0.0net.fmelo/cognita
Passive OSINT and security recon: DNS, TLS, email posture, IP reputation, CVE/KEV, CT logs.
transport:streamable-http
tools:51
Target client
run in your project directory
claude mcp add --transport http cognita https://cognita.fmelo.net/mcpsetup guides: Claude Code Claude Desktop Cursor VS Code Zed Windsurf Cline Gemini CLI Grok ChatGPT Claude.ai LangChain
Adds it for this project only. Append --scope user to make it available everywhere. Claude Code docs
cve_triage
cve triage
typosquat_scan
typosquat scan
email_header_analyzer
email header analyzer
dns_propagation
dns propagation
email_posture
email posture
ct_org_search
ct org search
geo_route
geo route
tls_posture
tls posture
feodo_c2_check
feodo c2 check
dmarc_check
dmarc check
tranco_rank
tranco rank
rpki_validation
rpki validation
cve_lookup
cve lookup
spoofability
spoofability
subdomain_takeover_check
subdomain takeover check
tls_certificate
tls certificate
dns_lookup
dns lookup
dshield_ip_check
dshield ip check
host_exposure
host exposure
scan_site
scan site
abuse_contact
abuse contact
kev_check
kev check
reverse_dns
reverse dns
ip_reputation
ip reputation
hsts_preload_check
hsts preload check
disclosure_contacts
disclosure contacts
rdap
rdap
tor_exit_check
tor exit check
robots_sitemap
robots sitemap
passive_dns
passive dns
ip_blocklist_check
ip blocklist check
epss_score
epss score
spf_expand
spf expand
asn_relations
asn relations
spf_check
spf check
wayback_snapshot
wayback snapshot
cert_revocation
cert revocation
cert_transparency
cert transparency
related_domains
related domains
zone_transfer_check
zone transfer check
urlscan_lookup
urlscan lookup
mx_lookup
mx lookup
dkim_lookup
dkim lookup
investigate
investigate
wayback_urls
wayback urls
blacklist_check
blacklist check
ip_reputation_aggregate
ip reputation aggregate
asn_geoip
asn geoip
security_txt
security txt
caa_dnssec
caa dnssec
Mutating and Read-only are read off each tool's name, not its schema — a hint, not a guarantee. Check the server's own documentation before granting access.