MCP Server Directory

New Research Papers & Science Breakthroughs — buy per-query in-session (scibreak) com.a2awire/data-science-breakthrough-new-research-papers

Science breakthroughs: new research papers. $0.01/query. Register in-session — free testnet funds.

PermitReporter — US Building Permit Intelligence com.permitreporter/us-building-permits

Source-linked building-permit search across 34 US states and DC, with county-level coverage.

Ask a codebase a question, get back the source that answers it — every block cited to file:line.

BotKelp io.github.aiscimi-code/botkelp

Verified component catalog over remote MCP: agents pick ids and get a project that builds.

Save, publish, restore and back up AI-built projects on Plyo, for people who build with AI.

Monitor GitHub repo health, DORA metrics and CI signals from your AI assistant.

US state SC io.github.sadri-dridi/st-sc

USPS state code SC.

Base Transaction Decoder io.github.0200project/base-transaction-decoder

Decode Base txs: plain English, strict JSON, risk flags, no LLM. 50 free/24h per IPv4 or /64, $0.02.

Bisque Presentations cloud.bisque/presentations

Create narrated presentations from HTML, poll build status, list them, read one back as text.

Playwright-style MCP to inspect, control, and debug PySide6 desktop GUIs.

Drawcall io.github.drawcall-ai/drawcall

Discover Drawcall workflows for 3D apps and asset creation; read APIs and approve CLI logins.

React codebase semantics for AI agents, with a VS Code visualizer you both share. Free, local.

MCP Endpoint Lint - handshake, tool schemas, JSON-RPC errors dev.workers.pathwren.www/mcp-endpoint-lint

{"jsonrpc":"2.0","id":1,"method":"tools/call","params":{"name":"whoami","arguments":{}}} free no key

EU Cyber Resilience Act (CRA, Regulation (EU) 2024/2847) compliance MCP server. 4 tools, 11 tests. A

Lyssna com.lyssna/mcp

Query and summarize research data across tests and surveys

Daepak Market Intelligence io.github.Mobiss11/daepak-mcp

Market analyst tools + AI agent: crypto, US equities, options, Korea, fundamentals, macro, backtests

Delegate a self-contained task to opencode's free-tier models as a one-shot subagent.

Unicode word count, text discarded io.github.sadri-dridi/word-n

Unicode word count, text discarded

Knowl io.github.dat999zx/knowl

Persistent memory for AI agents, for code, research and everyday life. Stale facts retire.

Attestroom: the monthly searches, read from search (a month), served as an agent-callable...

Permits Engine — Agent Market io.github.USTechAutomations/usta-agent-market-mcp

Free MCP tools: permit quotes, jurisdiction index, track record, attestation.

KHOTEM com.khotem/khotem-witness

Paid API bazaar for agents: seals, audits, wallet intel, codec ops. x402.

140 deterministic tools for your AI: logs, tests, SQL, diagrams, SPARQL. Local, no network.

Exchange Rate MCP cn.pianam.mcp/exchange-rate-mcp

MCP server for live currency exchange rates and conversion, ISO codes and Chinese currency names.