MCP Server Directory

guide-registry guide.localleader/guide-registry

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

VulnHunt Security Intelligence io.github.owenkingva-web/vulnhunt

Read-only smart-contract security intelligence for autonomous agents.

Brain Scanner io.github.kevin-lozada-santos/brain-scanner

Recover project context, review recorded decisions, and steer queued work across AI coding agents.

Scans Agent2Agent (A2A) protocol code for webhook SSRF, missing auth, and credential exposure

Who can change a Solana program or EVM contract, dependency advisories, scans. Paid per call (x402).

guide-registry guide.maintenanceleader/guide-registry

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

13 rules that decide whether a vulnerability report ever reaches you

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.

Censys io.github.pipeworx-io/censys

Censys MCP — internet-scan search over the Censys Platform API (censys.com)

Scans MCP tool definitions for hidden instructions and confused-deputy sinks

Commerce preflights, agent run mandates, D365 authorization, and offer checks; no external writes.

CedarAI Data Depot io.github.cedarai/cedar-mcp

Read-only Cedar ARMS railroad data via Cedar login for authorized carriers.

salesleader-desk guide.salesleader/salesleader-desk

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

FlygKollen — Swedish Flight Tracking io.github.jannegpriv/flygkollen

Swedish flight tracking: live status, gates, airport boards, nearby-aircraft ADS-B scan.

Doppler API: projects, configs, secrets listing and download. Needs service or personal token.

pigi.finance — DeFi Vault Intelligence io.github.pigi-fi/pigi-mcp

DeFi vault data from pigi.finance: yields, TVL, history and risk ratings across chains.

guide-registry guide.pokerplayer/guide-registry

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

WCAG 2.1 AA accessibility scanner (Playwright + axe-core) with grounded, browser-verified fixes.

AgentsToolsHub io.github.Thyphex/agenttools-hub

156 paid-per-call JSON APIs for AI agents over x402: calculators, live data, crypto, security, dev.

Priority — TypeScript Compiler Intelligence dev.semanticreader/semantic-reader

Stateless TS/JS compiler facts for agents: references, imports, impact. No repo index or OAuth.

Pay-per-call x402 gateway: agent tools, OpenAI-compatible LLM, market data, RPC, security audits.

GitHub Actions Security Audit io.github.tylerscomic-lab/github-actions-audit-mcp

Audit GitHub Actions workflows for script injection, unpinned actions and missing permissions.

guide-registry guide.coachingleader/guide-registry

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

Website compliance checks for Russian personal data law 152-FZ: score, violations, fix instructions.