MCP Server Directory

OptionWhales io.optionwhales/options-flow

US options flow & stock data: unusual activity, gamma levels, IV, earnings. OAuth sign-in or keys.

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.

guide-registry guide.coachingleader/guide-registry

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

guide-registry guide.selfhelp/guide-registry

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

Neon Zero-Trust MCP Gateway io.github.Ansarii/zero-trust-mcp-gateway

AI security firewall & DLP proxy protecting API keys and blocking destructive commands.

Query OSV.dev for known vulnerabilities by package and version, and scan lockfiles in batch.

Pay-per-call x402 tools on Base: web extract/render, burn-once secret vault, chart, GeoTIFF

guide-registry guide.babyname/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.

Barcode Tools (decode, render, GTIN validate) io.github.appvantagelabs2-a11y/barcode

Decode, render, validate barcodes: QR, DataMatrix, EAN, UPC, PDF417. All tools free, no auth.

InvoiceParser Pro com.invoiceparserpro/ipp

Invoice PDFs, scans and photos to Excel, with the math checked: fields, line items and totals.

Authorizes MCP tool calls against a session policy, not one call at a time.

Reference integrity for AI agents. Scans and verifies links, imports, assets, deps.

Kaption WhatsApp (Cloud) io.github.Kaption-AI/mcp-extension-remote

Use WhatsApp from AI apps through the Kaption extension. OAuth 2.1 relay that cannot read messages.

guide-registry guide.bicycle/guide-registry

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

Authentication-Info nextnonce shape, value discarded io.github.sadri-dridi/auth-info

Authentication-Info nextnonce shape, value discarded

Shipvela com.shipvela/shipvela

Create website projects, deploy GitHub sites and read logs/usage via remote OAuth MCP.

Stemma kitchen.stemma/stemma

Recipes, meal plan, shopping list and pantry from the Stemma iOS app, with per-area OAuth scopes.

Connect AI assistants to the Rubrik Security Cloud GraphQL API to discover, query, and automate.

Doppler API: projects, configs, secrets listing and download. Needs service or personal token.

QR Branding io.github.quartzondev/qr-branding

Generate branded, scan-validated QR codes (manual, AI, templates, Wi-Fi, vCard, geo).

Sfda Drugs io.github.pipeworx-io/sfda-drugs

SFDA Drugs — Saudi Food and Drug Authority drug data

CERT-FR Security Advisories — buy per-query in-session (certfrwatch) com.a2awire/data-cert-fr-advisory-national-cert-alert

CERT-FR (ANSSI) security advisories & alerts: French national CERT vulnerability feed, hourly

PlateQuery MCP — US License Plate & Vehicle Information com.platequery/plate-api

License plate lookup for AI agents: plate messages and ALPR history via PlateQuery. OAuth 2.1.