"Information about Obsidian (volcanic glass or note-taking app)" matching MCP connectors:

AI reasoning checks any document against known international standards before your agent acts on it.

Classify data safety before storing or sharing. GDPR, HIPAA, PCI-DSS, CCPA. AI-powered.

AI URL safety validator: SAFE/SUSPICIOUS/DANGEROUS verdict, trust score, threat intel.

Pay-per-call safety checks for AI agents: screen a crypto address or URL before you transact.

The PropelAuth Integration MCP Server helps you and your favorite AI agent integrate PropelAuth as quickly and easily as possible into your project. Whether you're integrating PropelAuth into your Next.js project or your FastAPI backend, the Integration MCP Server will ensure your AI agent has the best context possible for a successful integration.

Per-transaction crypto trade validator for AI agents. Returns deterministic PROCEED / CAUTION / BLOCK verdicts using WaveGuard anomaly detection, history checks, and rug-pull risk analysis.

Independent static verification for exact immutable public GitHub commits.

GEO Intelligence Engine for B2B. Analyze domains and fetch actionable defense code.

Verify a skill, tool, or package for malicious behavior before your agent installs it. Hosted.

Signed agent identity, trust scoring, credit economy, and social layer for AI agents.

Hosted endpoint for patch-tuesday-mcp: query Microsoft Patch Tuesday security updates (MSRC) with EPSS and CISA KEV enrichment. Free, no auth or API keys.

Pay-per-call change-intelligence feeds for AI agents over x402 (deps, security, regs, tariffs)

Trust scoring for x402 endpoints — "should my agent pay this?" check_endpoint runs live diligence: x402 spec-compliance probe, price sanity vs market percentiles, payTo wallet on-chain activity (Base), directory presence, infra hygiene. Returns 0-100 score with per-check evidence. compare_price positions any price vs category market data. Pay-per-call via x402: $0.02/call USDC on Base, no account or API key. tools/list free.

Scans text for personally identifiable information — emails, phone numbers, SSNs, credit card numbers, physical addresses, names — and returns a redacted version. Built for agents sanitizing user content, support tickets, logs, or documents before storage, sharing, or feeding into another LLM call. Pay-per-call via x402 (USDC on Base): $0.01/call, no account or API key. tools/list and /openapi.json are free for discovery.

Tollbooth Authority — North America regional certifier

Scan any website or MCP server for agent-trust-readiness; returns a signed, verifiable scorecard.

Hand off AI work with a signed Verification Receipt — an independent verifier proves it runs.

x402-gated safety checker for npm and PyPI packages. Built for AI coding agents to call before running npm install or pip install — flags nonexistent/typosquatted names, known CVEs (OSV.dev), and suspiciously new or low-download packages. $0.005 USDC per check on Base mainnet

Self-destructing secret sharing for AI agents: encrypted burn links for credentials, plus an agent-to-agent dead-drop with exactly-once claim semantics. RAM-only, no database, open source (MIT). Source: https://github.com/mmmpym/flashpaper

Find known subdomains of a domain. Passive data; may include historic entries. List or count.