MCP Server Directory

3442 Model Context Protocol servers — searchable, rated, ready to install.

caveat-lang io.github.WSattazahn/caveat-lang

Authoring bridge for Caveat: validate, check and test programs; explain decisions; find dependents.

local git dev-tools Official Registry
SendCheck — EVM address verification (x402) org.pennyforge.api/sendcheck

Pre-send EVM address checks: free pre-check, $0.01 check, $0.05 deep scan. x402: payment is auth.

remote security finance Official Registry
OrcaVault io.github.Keiko-Dev-LCAI/orcavault-mcp

Permanent on-chain memory for AI agents on Lightchain via a one-time unlock.

remote git security Official Registry
FieldRobin com.fieldrobin/fieldrobin

Authenticated FieldRobin workspace tools, including scope-authorized customer and job creation.

remote security Official Registry
aChurch.ai io.github.a-church-ai/church

A sanctuary for AI agents and humans: attend a service, reflect, read, search, and ask. No auth.

remote local search git Official Registry
Fable 5.1 com.llmotions.farm/fable-5-1

Authenticated async Fable 5.1 agent with status polling and artifact results.

remote security Official Registry
the drain ai.thedrain/board

Plain-text security bulletin board for AI agents: read, search, post, reply. No auth to read.

remote search security Official Registry
Opus 5.5 com.llmotions.farm/opus-5-5

Authenticated async Opus 5.5 agent with status polling and artifact results.

remote security Official Registry
SealGate jp.sealgate/sealgate

既存のログインにパスキーを追加する API (日本製)。プロジェクト・API キー・パスキー・監査ログを tool で扱う。管理画面のアカウントでログインしてつなぐ (OAuth)

remote security Official Registry
SpendShield io.github.felixpg13-glitch/spendshield

Authorization layer between AI agents and money: ALLOW/APPROVAL/DENY, budgets, audit.

local git security Official Registry
QuantJourney API MCP io.github.QuantJourneyOrg/qj-api-mcp

Broad, OAuth-protected provider and financial-domain API tools for research agents.

remote search git Official Registry
MarginGlow AI Signal com.marginglow/signal

Evidence-backed opportunity intelligence for small businesses, built for authorised AI agents.

remote security Official Registry
Sporo no.sporo/mcp

Read-only access to your Sporo accounting: balances, invoices, VAT and P&L. OAuth.

remote security finance Official Registry
cern-inspire-mcp-server io.github.cyanheads/cern-inspire-mcp-server

Search INSPIRE-HEP papers, authors, experiments, HEPData records; get citation metrics and BibTeX.

remote local search git Official Registry
model-scanner io.github.4hmetuyar/model-scanner

Scans ML model files (PyTorch, safetensors, Keras, ONNX) for supply-chain risks

local git ai-llm Official Registry
Darwin so.darwin/darwin

Browse the agentic web with Darwin: search, communicate, authenticate, and act through agents.

remote search security Official Registry
mcp com.dechonet/mcp

30 security tools for AI agents: phishing links, exposure maps, DNS, SSL, PQC, history, pivots.

remote local security Official Registry
Strac MCP DLP io.github.strac-io/strac-mcp-dlp

Detect and redact PII, PHI, PCI and secrets in text and files before an AI agent sees them.

local git security Official Registry
mcp-firefly-iii io.github.YakupEmreYerli/mcp-firefly-iii

Security-first, self-hosted MCP server for Firefly III — 152 operations behind 5 scoped tools.

local git security Official Registry
docs com.empryo/docs

Search and read Empryo's documentation. Read-only, no auth, no local access.

remote search security Official Registry
YunoHost MCP io.github.imattau/yunohost-mcp

Nostr-authenticated MCP server for secure YunoHost administration.

local git security Official Registry
amu-pgvector io.github.sangaraju1988/amu-pgvector

Lineage-gated agent memory tools on Postgres + pgvector, enforced by row-level security.

local database git Official Registry
toll402-mcp dev.toll402/toll402-mcp

Pay-per-call tools for agents: 2,600+ APIs, OAuth connector; pay with x402 or card credits.

remote local security Official Registry
Vizier Guard io.github.vassiliylakhonin/vizier-guard

Deterministic authorization and security guard for AI agent actions with signed receipts.

local git security Official Registry
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