MCP Server Directory

guide-registry guide.engineeringleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Proxy-Authenticate scheme token, value discarded io.github.sadri-dridi/proxy-auth

Proxy-Authenticate scheme token, value discarded

Converts photos or scans of printed sheet music to MusicXML with optical music recognition

Insuro au.com.insuro/insuro

Free insurance vault MCP: OAuth policies, renewals, coverage Q&A, file PDFs. Global; not advice.

Decision Integrity io.github.wheelerhubbell/decision-integrity

Paid x402 evaluator for evidence, warrant, provenance, and represented action authority.

Catches leaked credentials and PII in outbound LLM prompts

13 rules that decide whether a vulnerability report ever reaches you

Rust Crate Security Advisories — buy per-query in-session (rustsecwatch) com.a2awire/data-rust-security-crate-vulnerability

Rust crate vulns: CVEs, patched versions. $0.01/query. Register in-session — free testnet funds.

guide-registry guide.careleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Ankr Management MCP io.github.w3tech/agent-rpc-mcp-management

Manage an Ankr RPC account: API keys, usage, allowlists, billing, teams. Sign in with OAuth.

Skavio USDC Payment Verification & Proof MCP eu.skavio/paid-micro-apis

18 tools: USDC verification, matching, evidence PDFs, DNS/TLS and authenticated company processing.

Shapesoda com.shapesoda/vectorizer

Vectorize images: PNG/JPG to SVG, PDF, EPS, DXF. Turns logos, icons and scans into clean vectors.

Catches leaked credentials and PII in outbound LLM prompts

vulnrable com.vulnrable/vulnrable

Security grades for MCP servers and npm/PyPI packages, ranked by CISA KEV and EPSS.

NAIF Gravity Diagnostic — Free MCP/API/Webhook Triage com.naifgravity/diagnostic

Free MCP, API auth, webhook and schema diagnostics with bounded checks and safe quote routing.

Lazynext Accessibility Checker com.lazynext/accessibility-checker

Scan URLs or HTML for WCAG 2.2 violations. 75-rule manifest, weighted score, shareable reports.

TimeLodge io.github.dalehurley/timelodge

Track time, manage clients and projects, review timesheets, and create invoices with OAuth.

guide-registry guide.bicycle/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

Read-only access to VAAST vulnerability scan findings, workspaces, and targets for AI agents

salesleader-desk guide.salesleader/salesleader-desk

Read-only Sales Leader Guide desk: writers roster and magazine pieces. Public, no authentication.

guide-registry guide.schoolleader/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

guide-registry guide.mealprep/guide-registry

Read-only Bicycle Guide registry: published guides, homes, taxonomy, capability spine. No auth.

AI API Cost Firewall & Rate Limiter io.github.Ansarii/mcp-rate-limiter

Token guard and rate limiter preventing runaway API cost spikes for OpenAI and Anthropic.

Scan a website for SEO, accessibility, performance and security issues, and read the report.