MCP Server Directory

Rose Bounty org.agttglobal/rose-bounty

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

Scan prompts, tool definitions and model output for injection, and guard agent tool calls.

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

Xtracticle com.xtracticle/xtracticle

Read public X (Twitter) posts, threads and X Articles as clean Markdown. Read-only, no auth.

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

insumer com.insumermodel/insumer

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

IT Security — Access Change Request Recertify — Alder Court Partners (b578285f) com.a2awire/benchmark-access-change-request-recertify-2026-09-15-b578285f

12 synthetic access change request exception cases: duplicate payments, policy-watch list entries, m

guide-registry guide.facilitiesleader/guide-registry

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

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.

btlabs Core dev.btlabs/core

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

numberRank dev.numberrank/numberrank

Is a phone number VoIP or a real carrier line? Line type, score and grade, free, no auth.

Bulk OCR: Image & Scanned PDF to Text from CSV or Google Sheet io.github.Nero-Engine/bulk-ocr-image-pdf-to-text

OCR every image and scanned PDF linked in an Apify dataset, CSV, Excel or Google Sheet, keeping...

Menlo com.menloinsurance/mcp

Complete a Menlo application, authorize carrier quote requests and answer quote follow-ups.

PROME Care Core ai.prome/care-core

Check actions against fixed values using supplied numeric facts. Never authorizes or executes.

Read PDFs locally: text, pages, metadata, scan detection, layout, permissions, render, OCR.

Alkemata Knowledge Gateway com.alkemata/public-knowledge

Read Alkemata articles and maps; submit reviewed proposals; create map content with authorization.

Three-layer firewall for MCP: content, egress and action policy. Proxy or server.

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

Debian Security Advisories — buy per-query in-session (debianwatch) com.a2awire/data-debian-security-advisory-dsa-linux

Debian Security Advisories (DSA). $0.01/query. Register in-session — free testnet funds.

AgentsToolsHub io.github.Thyphex/agenttools-hub

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

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

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.

MCP Security & Vulnerability Auditor io.github.Ansarii/mcp-security-auditor

Static AST security scanner detecting command injection, leaked secrets, and SSRF in MCP tools.

Censys io.github.pipeworx-io/censys

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