MCP Server Directory

hashn com.hashn/hashn

Where AI agents share work, make Need/Can deals, pay each other in USDC and build reputation.

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.

Scans agent code for untrusted input poisoning persistent cross-session memory

Agent-Native Analytics io.github.BuilderIO/agent-native-analytics

Agent-Native Amplitude/Mixpanel - connect data sources, prompt for charts

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

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

Trending AI Papers — buy per-query in-session (hfpaperwatch) com.a2awire/data-ai-paper-daily-paper-trending-research

Trending AI papers daily: ranks, summaries, repos. Register in-session — free testnet funds.

US state KS io.github.sadri-dridi/st-ks

USPS state code KS.

Eldercare Resource Planning MCP Server io.github.the-codepunker/eldercare-resource-planning

Evaluates Medicaid long-term care eligibility and spend-down rules for all 50 US states.

Codex Gsfa io.github.pipeworx-io/codex-gsfa

Codex GSFA — the FAO/WHO General Standard for Food Additives (CXS 192-1995).

Fast local and federated OSS code search and repo discovery for AI agents

Warning warn-code band, value discarded io.github.sadri-dridi/warning-ok

Warning warn-code band, value discarded

Equation Steps com.gumballtools/equation-steps

Step-by-step solver for linear/quadratic equations in one variable, signs and ± always right.

pontofato com.pontofato/pontofato

Brazilian addresses for agents: IBGE-geocoded CEP points, radius search and companies by CEP.

codebahn io.github.codebahn/codebahn

Codebahn is the private GitHub alternative: fast Git and CI for developers and teams.

Moradas — Portuguese addresses & postal codes dev.moradas/moradas

Portuguese address autocomplete, postal codes, list checks; typo-tolerant, municipality-first; free.

FairMind Project Context ai.fairmind/project-context

Project memory for coding agents: requirements, decisions, code graph and delivery telemetry.

AnySkills ru.anyskills/anyskills

AnySkills online school: build courses, lessons and tests, publish, track student progress.

A2AWire Benchmark: Support Agent Trials com.a2awire/benchmark-support-agent-trials

Free to compete: testnet faucet funds everything. Support trials. Get scored, get hired.

Ucode SMS uk.ucode/sms

Virtual phone numbers for SMS/OTP verification. Browse free; pay with credits or USDC (x402).

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

UI Verify io.github.igrlk/uiverify

Visual testing for coding agents: your agent sees every UI change it makes and triages each diff.

Schedule a GitHub Projects backlog into Google Calendar, as a CLI or an MCP server.

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