"An email protocol for sending and receiving messages" matching MCP connectors:
GET /v1/connectors — MCP directory API referenceMatching Connector Tools:
Canonicalize Tailwind classes to their short form, and search LunarWerx free dev tools.
Scan code for quantum-vulnerable cryptography and get NIST post-quantum migration guidance.
Hosted, OAuth-gated endpoint for quantakrypto's post-quantum crypto tools: scan code for quantum-vulnerable cryptography (RSA/ECDH/ECDSA/DH) and get NIST ML-KEM/ML-DSA/SLH-DSA migration guidance over authenticated HTTP — nothing to install. Sign-in required (Google/GitHub/email). Same tools as the open-source @quantakrypto/mcp server; source at github.com/quantakrypto/pqc-tools.
Scan any public GitHub MCP-server repo for security issues. 37 MCP-specific L1 rules, 8 languages.
The official Svelte MCP server providing docs and autofixing tools for Svelte development
Scan GitHub-hosted AI skills for vulnerabilities: prompt injection, malware, OWASP LLM Top 10.
Lint a SKILL.md for frontmatter, structure, secrets and size. All 6 tools free.
Audit and repair any public GitHub repo. Free survey; paid source, unified diffs and a pull request.
Check exact npm/PyPI upgrades for evidence-backed breaking changes; query APIs and components.
Format/lint JS, Python, HubL for automation platforms. Tools: format_code, format_json, ask_codefmt
A skeptical senior-engineer code reviewer over MCP: risk-scans unified diffs, flags AI-generated-code tells, reports complexity hotspots, scans for leaked secrets, and runs an OWASP security pass — real analyzers, no external APIs. Free tier, no signup.
Packagephobia MCP — install-size analysis for npm packages
A fully free linter for agent skill files: lint_skill validates YAML frontmatter, structure, size budgets, and safety phrasing with a pass/fail verdict; packaging_check validates zip layout against marketplace rules; plus regex_test, json_validate, diff_texts, and cron_explain for skill authors. No license or account required.
Open-source licence risk checks for AI coding agents and dependency trees.
MCP server for secureFlows: token-free URL builders and integration-linting tools for AI agents.
Compile code with thousands of compilers, inspect the assembly, and share godbolt.org links
Honest library picks for coding agents in 25-360 tokens. Tells your agent what NOT to install.
Statically audits MCP tool surfaces for token cost, schema quality, and design issues.
What CSS you can actually ship today, from live Baseline data and MDN browser-compat-data.
Score the privilege a Chrome MV3 extension takes from its manifest, and diff permission sets.