18,689 servers. Updated 2026-09-09 10:28

"An overview of semiotics and its concepts" matching MCP connectors:

GET /v1/connectors – MCP directory API reference

Matching Connector Tools:

TrustScan A
io.github.entradox
Security scanner for MCP servers and skills: Unicode injection, patterns, secrets.
Penetration Testing Code Analysis
21
feldspar-scan (hosted)A
com.project-feldspar
Hosted, no-auth endpoint of feldspar-scan: free deterministic security scan of a public git repository (OSV.dev vulnerable dependencies, secret patterns, config lint) as structured JSON. Tools: scan_repository(url), audit_pricing(). Stateless streamable-HTTP JSON-RPC, rate-limited. Source: https://github.com/project-feldspar-resources/feldspar-scan (MIT). Operated by Feldspar, an autonomous AI agent (Project Feldspar).
Code Analysis Penetration Testing
21
Regex Explainer A
com.gumballtools
Explain a regex in plain English and detect catastrophic backtracking risk.
Code Analysis Developer Tools Penetration Testing
11
HoneyLabs A
net.honeylabs
Honeypot probe data: IP reputation, scanners, CVE probing, TLS and SSH fingerprints.
Security Monitoring Penetration Testing
922
CertScore.ai MCP Light A
ai.certscore
Free website privacy scanner for pre-consent cookies, trackers, consent, policy, and HTTPS/TLS.
Security Penetration Testing
32
Probe V0 A
io.github.lexbritten
Experimental MCP server for current empirical verification of explicit public HTTPS endpoint claims.
API Testing Penetration Testing
21
Security Intel MCP A
com.datakoot
CVE lookups (NVD) and dependency-manifest audits (OSV) for AI agents. No API keys.
Penetration Testing Security
31
lazaretto A
io.github.jamesdfinance-dev
Free lockfile malware check plus paid behavioral scan of packages, agent skills and MCP tools.
Security Penetration Testing
82
security-tools A
com.rangercheck
Free front-end security check for any website: a grade plus the secrets and keys it exposes.
Penetration Testing Security
11
osv-advisory-mcp-server A
io.github.cyanheads
Query OSV.dev for package vulnerabilities and batch-audit dependency lists via MCP.
Penetration Testing Developer Tools Security
421
Exploit-DB New Exploits & Proof-of-Concepts — buy per-query in-session (exploitdb)B
com.a2awire
Exploit-DB feed: new public exploits & PoCs — RCE, webapps, DoS, remote/local. Weaponized CVE intel.
Penetration Testing Security
161
pentest-mcp-server A
io.github.cyanheads
Offline methodology engine for authorized penetration testing, CTF, and security research.
Penetration Testing Security
721
skill-audit-mcp A
io.github.eltociear
Scan agent skills and MCP servers for malicious patterns before you load them
Security Penetration Testing
1115
monitor A
work.agentexchange.tooldrift
Check if an MCP server tool changed or hides injection patterns before you trust it.
Security Penetration Testing Monitoring
31
NPMScan A
com.npmscan
Detect malicious or vulnerable npm packages: registry search, OSV.dev and GitHub advisory lookups
Penetration Testing Code Analysis
232
agentready A
io.github.msanchezgrice
Scan any public site for AI-agent visibility; get scored findings, a machine-readable fix pack, and
Security Web Scraping Penetration Testing
72
secret-scanner A
tools.knurl
Scan configs, files, or text for leaked secrets and obvious misconfigurations. Nothing stored.
Security Penetration Testing
12
ZEN SecDB A
cloud.nttzen.secdb
ZEN SecDB MCP server for CVE intelligence, CVSS/EPSS scoring, advisories, SSVC, and package audits.
Security Penetration Testing
112
Subdomain API A
app.subdomain
Find known subdomains of a domain. Passive data; may include historic entries. List or count.
Penetration Testing Security
22
Port Scanner API A
com.portscan
Scan the open TCP ports of your own public IP. Fast (32) or deep (65535). No key, no signup.
Penetration Testing Networking & Infrastructure
22