MCP Server Directory

Open Entity org.openentity/openentity

Adopt, read, verify and record an Open Entity identity (OEIS-1). No auth, no CAPTCHA.

Author, validate, lay out, render, and diff architecture diagrams as code.

STEM — Persistent AI Memory dev.awase/stem

Persistent memory and shared context across compatible AI assistants, with account-scoped OAuth.

AgentRead dev.workers.toolschemaforge.agent-read/agent-read

Turn URLs, PDFs and DOCX into clean Markdown for agents, plus prompt-injection scanning

tinytoolbox net.bigfloppy.tinytoolbox/tinytoolbox

PDF tools + QR over MCP: merge, split, rotate, text, metadata, malicious-content scan.

Kestrova: Solidity Vulnerability Scan io.github.som2026-commits/kestrova

Solidity smart contract vulnerability scan (Slither) for AI agents. Free preview; paid full report.

Passive AppSec scanners as eight parameterless MCP tools; the audited repository is data.

RecipeBee io.github.praisondani/recipebee

Discover, preview, and save recipes and meal plans with RecipeBee; private actions require OAuth.

Board Planner io.github.rafalpodles/board-planner

Project board for teams and coding agents: Kanban, sprints, 46 tools, OAuth 2.1 or API tokens.

LLM Red-Team Scanner io.github.manhliemcn4euwlu-source/llm-red-team-scanner

LLM agent security review: live injection/jailbreak probes plus a static audit of missing guardrails

Stride — AI software delivery platform page.stride/stride

Your team's stories, acceptance criteria, designs and docs, for coding agents. Sign in with OAuth.

The smart-environment module — scopes an agent's authority to actuate a home, tier by tier, and

credential leases, never raw keys — scoped, expiring secret leases for agents; the agent gets a

Safeguard sh.safeguard/safeguard

Software supply chain security: SBOMs, vulnerabilities, fixes, policies and compliance data.

Author, render and visually verify Manim math animations from natural language

Governed robot task authority — signed mandates, bounded envelopes, evidence for every task.

TerraVault com.terravaulthq/licenses

U.S. state cannabis license lookups, licensed stores nearby, CA recalls. Read-only, no key.

Republeq Merchant MCP com.republeq/merchant

OAuth-protected product catalog, ratings, reviews, categories and guides for approved agents.

Agent Index io.theagentindex/agent-index

Free open dataset of compliance, security and risk AI agents and audit firms. Read-only search.

Knot com.connectknot/knot

Shared memory across ChatGPT, Claude, Cursor, and Gemini. OAuth 2.1 context & supersession.

QuoAPI com.quoapi/mcp

Discover and execute authorized API capabilities through QuoAPI policy, routing and billing.

Airparser com.airparser/airparser

Extract structured data from invoices, receipts, PDFs, scans and emails into clean JSON.

BugHerd com.bugherd/mcp

Official BugHerd MCP server. Sign in with OAuth, no API key needed.

Search, read, send and run API collections over MCP. Secrets masked; protected envs gated.