MCP Server Directory

Railhook io.github.vadymkykalo/railhook

Webhooks for AI agents: send events, manage endpoints, inspect and retry deliveries.

Agent Deals io.github.gmahar82-stack/agent-deals

Pay less for x402 APIs: free pre-payment checks, cheapest working service finder, web/PDF reader.

16 BEM naming rules read the HTML file you have open and 22 markup and SCSS skeletons write the styl

Codeforces competitive programming API: contests and user info. No key required.

Vibe Coding 中文助手 io.github.menghaoran214-lang/vibe-coding-cn

Read-only Chinese Vibe Coding knowledge connector for search, docs, and repo freshness.

MCP server for USGS streamflow, gauge status, and water observations.

Esa Gaia io.github.pipeworx-io/esa-gaia

ESA Gaia MCP — the Gaia star catalogue, queried over the ESA TAP service.

Seiche, LiquiLens and Undertow source data io.github.beepboop2025/financial-source-data

Funding histories, bank filings and settlement data with source receipts, units and capture clocks.

gantt-chart io.github.theluckystrike/gantt-chart

Build Gantt charts from your AI chat: tasks, dependencies, timeline spreadsheets. All data is local.

DepScout io.github.yc-droid/depscout

Scan packages and lockfiles (npm, PyPI, Go, Maven, Cargo, NuGet) for vulnerabilities and malware.

Read, search and post in Mattermost as yourself or a bot.

Polymarket Us io.github.pipeworx-io/polymarket-us

Polymarket US MCP — market data for Polymarket US (polymarket.us), the

California Tax Appeals io.github.pipeworx-io/california-tax-appeals

California Office of Tax Appeals (OTA) opinions — search by statute section/topic across issued…

Spanish invoice PDFs to validated data: NIF/IVA/IRPF extraction, arithmetic checks, IVA per quarter.

Read-only x402 payment diagnostics: diagnose, evidence, explain, recover, resolve, status. Zero deps

AIKI Knowledge Commons io.github.opnwiki/aiki

Authenticated MCP access to the AIKI open knowledge commons.

pdf-splitter io.github.theluckystrike/pdf-splitter

Split PDFs from your AI chat: extract page ranges, split by size or count. All data is local.

Keyless MCP server for Codewars: user ranks, honor, kata.

UniFi Network MCP server: scoped tools, audited two-person change control. Rust.

U.S. grid mix, retail electricity prices and Henry Hub gas prices (EIA), paid per call via x402.

AUTO411 Vehicle Intelligence io.github.simonizer69/auto411-vehicle-intelligence

Identity-first automotive intelligence for vehicle resolution, specs, safety and efficiency.

SanctionsKit developer MCP io.github.SanctionsKit/sanctionskit

Sanctions API docs and request validation, with account-linked synthetic sandbox testing.

Read and edit Compositor .comp projects: layers, folders, masks, transforms, previews and exports

DexL Agents io.github.dexl-io/agents

Pay-per-call AI gateway: models, speech, web search, on-chain reads and NLP tools, via x402.