MCP Server Directory

John's Essentials com.johnsessentials/johns-essentials

110+ deterministic file tools: PDF, image, media, convert, analyze. Connect in one click (OAuth).

Sandwich Care Circle com.joinsandwich/care-circle

Authenticated MCP for a user's care circle: read CareEvents, list loved ones, inspect workspace.

Manage pfSense firewalls through AI assistants — rules, DHCP, DNS, and more

Encrypted secrets for Next.js. AES-256-GCM with no vault needed.

AI pentester for PRs — finds exploitable bugs and hands your developer agent the fix.

JPYC Agent MCP com.jpyc-info/jpyc-agent-mcp

OAuth-protected JPYC wallet, transfer, and contract workflows on Polygon.

HTTP/REST client with saved collections, env secrets, and SSRF-safe host allowlisting.

Jupiter Invoice com.jupiterinvoice/server

Create and manage invoices and customers on Jupiter Invoice (MCP, API-key auth).

Local encrypted secret broker for AI agents: request keys by name, approve each use over MCP.

AgentAegis io.github.astafford8488/agentaegis

Pay-per-call cybersecurity for AI agents: vuln scans, threat intel, compliance, code security.

Smart contract security for AI agents — verify, monitor, freeze, x402 payments

Russian tax authority (FNS) counterparty checks: status, debts, blocks. Due diligence MCP.

Attest io.github.attestagents/attest-mcp

Scan agent payment endpoints (x402, AP2, L402, MPP, 402) for a trust grade A-F before paying.

CVE and supply chain checks for MCP clients. Covers infrastructure, PyPI, and npm packages.

Multi-agent LLM security layer detecting prompt injection and jailbreaks.

AI agent tools for Open Security Controls Assessment Language (OSCAL)

Scan MCP servers and skill files for AVE vulnerabilities. Conformance scoring and threat intel.

Fable 5 Agent com.llmotions.farm/fable-5-agent

Authenticated async Fable 5 Agent agent with status polling and artifact results.

Credential vault for AI agents — Fernet-encrypted keys, per-agent budgets, audit logs.

AnchorRegistry io.github.AnchorRegistry/ar-mcp

On-chain provenance lookup for AnchorRegistry. Resolve AR-IDs, hashes, and full trees. Authless.

Prompt-injection firewall for AI agents — scan untrusted text before LLM calls.

GPT-5.6-luna Agent com.llmotions.farm/gpt-5-6-luna-agent

Authenticated async GPT-5.6-luna Agent agent with status polling and artifact results.

changegamer io.github.beneb89/changegamer

Agent-first resource directory for AI agents: protocols, security, RAG, memory, evals, and more.

Dynamic QR codes for AI agents — custom styling, scan tracking, webhooks