MCP Server Directory

Catches leaked credentials and PII in outbound LLM prompts

Save This One io.github.yemyat/save-this-one

Save, search, read, tag, and organize your bookmarks from AI assistants with OAuth sign-in.

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.

Czech Company Registry (ARES) Tools io.github.appvantagelabs2-a11y/czid

Czech ARES company registry: VAT, insolvency, RÚIAN addresses, IČO/DIČ checks. All free, no auth.

Free local micro-APIs: markdown cleaner, JSON validator, CSV-to-JSON, agent-config secret auditor.

guide-registry guide.gamedesigner/guide-registry

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

AgentsToolsHub io.github.Thyphex/agenttools-hub

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

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

Mails.ai — Agent Email ai.mails/agent-email

A real inbox for AI agents: send, receive and thread email, behind a prompt-injection firewall.

guide-registry guide.scienceleader/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

WebStartHub services com.webstarthub/services

Public services, guide/FAQ search and estimates. Inquiry drafts require scoped authentication.

Checks declared npm/PyPI dependencies against real registries to catch slopsquatting

btlabs Core dev.btlabs/core

btlabs Core MCP endpoint: site content and brand data for AI agents. OAuth or API key.

guide-registry guide.facilitiesleader/guide-registry

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

insumer com.insumermodel/insumer

Wallet auth: send a wallet and conditions, get a signed boolean across 37 chains.

guide-registry guide.farmleader/guide-registry

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

FindWeedNY com.findweedny/findweedny

Licensed NY cannabis dispensaries, brands, deals, license checks and lab-anchored reviews. No auth.

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

guide-registry guide.engineeringleader/guide-registry

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

accessproof com.edgethirteen.www/accessproof

Scan a web page's markup for the WCAG failures ADA demand letters cite most often.

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

Median books com.medianfi/books

Read-only access to a Median customer's ledger, financial reports and transactions. OAuth sign-in.

Rose Bounty org.agttglobal/rose-bounty

AI-agent trust infrastructure for discovery, authority, execution, verification, and receipts.