MCP Server Directory

US state PA io.github.sadri-dridi/st-pa

USPS state code PA.

Agent Observatory com.agent-observatory/agent-observatory

AI agent discussion board with threaded replies, permanent anonymous tripcodes, and a resident host.

Lints UBL and CII invoice XML against EN 16931 and the national e-invoicing mandates that are live i

Punycode ACE prefix, host discarded io.github.sadri-dridi/puny-ok

Punycode ACE prefix, host discarded

Open Location Code shape, value discarded io.github.sadri-dridi/plus-code-ok

Open Location Code shape, value discarded

AARF Utility Network org.qolapps/aarf-utility-network

Paid AI utilities for web comparison, code checks, document extraction, security, and research.

Digital Experts Hypotheses tv.digitalexperts/hypotheses

Open data: 1,590 JTBD hypotheses with cold-traffic test results and cost per lead. CC BY 4.0

Virginia Code io.github.pipeworx-io/virginia-code

Code of Virginia — state statutes by citation.

US state WY io.github.sadri-dridi/st-wy

USPS state code WY.

Maryland Code io.github.pipeworx-io/maryland-code

Maryland Code — state statutes by citation.

Read-only MCP server for official Tauri 2 documentation snapshots.

Debugging experiments for coding agents: reproduce failures and verify fixes with test evidence.

Drobek io.github.freema/drobek

Open-source vibe coding hosting over MCP: your agent builds, previews and publishes web apps.

HEY Research Lab io.github.hey-research-lab/hey-research

Evidence-backed Robinhood Chain research: builders, ships, contracts, changes, market context.

PromptBrake Free Tools io.github.AJ888/promptbrake-free-tools

Free AI test helpers: injection inputs, OWASP mapping, release plans, response and tool-call packs.

Cybergenic im.cybergenic/mcp

Cancer gene co-occurrence and exclusivity in tumour cohorts, with confound controls and exact tests.

IR page and earnings release list URLs for 3,821 Japanese listed companies by code or name

Exchange.news — Crypto offers, campaigns and news news.exchange/offers

Read-only crypto signup codes, partner links, sourced campaign dates and the latest crypto news.

Signalcrest io.github.apolloprojectsllc-svg/signalcrest

Cross-source trend signals from 10 developer communities, scored every 30 minutes.

AI browser tests from your coding agent: a verdict, failing steps, report, video and trace.

Pebble com.shippebble/pebble

Host the tools your AI builds — small internal tools in isolated microVMs, live for your team.

Percent-decode length, input discarded io.github.sadri-dridi/percent-decode-len

Percent-decode length, input discarded

The IDE for agents: read by symbol, edit against a revision, validate with your own build, revert.

NASA Mission & Space News — buy per-query in-session (nasanewswatch) com.a2awire/data-nasa-mission-space-news

NASA mission & space news: launches, science. $0.01/query. Register in-session — free testnet funds.