MCP Server Directory

Greynoise io.github.pipeworx-io/greynoise

GreyNoise Community MCP — internet scanner classification (free tier with key)

Gradus Notation + Harmonic Analyzer + Engraver: music tools for any AI agent. Free, no auth.

Read-first Redis MCP: SCAN key explorer, keyspace/TTL/memory/slowlog stats, DBA advisor

mcp cc.accrue/mcp

Stablecoin Yield Index (SYX) and live USDC vault APYs across Ethereum, Base, Arbitrum.

Hkma Hk io.github.pipeworx-io/hkma-hk

Hong Kong Monetary Authority (HKMA) public open API MCP. Keyless.

Holidays io.github.pipeworx-io/holidays

Holidays MCP — wraps Nager.Date API (free, no auth)

Encrypted secrets vault for AI agents. 27 MCP tools resolve secrets at runtime, never leaking them.

Httpcat io.github.pipeworx-io/httpcat

HTTP Cat MCP — wraps http.cat (free, no auth)

Imf Portwatch io.github.pipeworx-io/imf-portwatch

IMF PortWatch MCP — global maritime trade & chokepoint signals (free, no auth)

Access Aarna's DeFi yield vaults — query NAV/TVL/APY, build transactions, track portfolios.

Imgflip io.github.pipeworx-io/imgflip

Imgflip MCP — wraps Imgflip API (free, no auth for template listing)

rankparse-mcp io.github.abhibavishi/rankparse-mcp

SEO MCP server — backlinks, domain authority, tech stack, and 18+ tools via Common Crawl.

ByteRay AI ai.byteray/byteray-mcp

Hunt zero-days by talking to binaries. 40+ tools. Hosted, OAuth + SSO, invite: hi@byteray.ai

samihalawa-whatsapp-go-mcp ai.smithery/samihalawa-whatsapp-go-mcp

Scan QR codes and go! No more troublesome autos or APIs! Send text messages, images, links, locati…

GribStream Weather MCP com.gribstream/mcp

NOAA and ECMWF weather forecast MCP for discovery, validation, and GribStream OAuth queries.

Jikan io.github.pipeworx-io/jikan

Jikan MCP — wraps the Jikan v4 API (anime/manga data, free, no auth)

Jokes io.github.pipeworx-io/jokes

Jokes MCP — wraps JokeAPI v2 (free, no auth)

Jsonplaceholder io.github.pipeworx-io/jsonplaceholder

JSONPlaceholder MCP — wraps JSONPlaceholder fake REST API (free, no auth)

agentforge io.github.acarchidi/agentforge

Safety checks for AI agents: preflight before signing, prompt-injection scan, sanctions, rug checks.

Kalshi io.github.pipeworx-io/kalshi

Kalshi MCP — US-regulated prediction-market data (no auth on public reads).

MiniURL io.github.addychang/miniurl

OAuth 2.1 short-link tools for AI agents with scoped tokens, approvals, audit logs, and revocation.

Linear io.github.pipeworx-io/linear

Linear MCP — wraps the Linear GraphQL API (OAuth)

Link Center center.mylink/link-center

Dynamic, editable QR codes + short links with scan analytics and branded QR rendering.

Hatchable com.hatchable/hatchable

Build, deploy, and host full-stack web apps from any MCP client. DB, auth, storage, cron included.