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A live, machine-queryable index of AI agents, MCP servers and tools. Every record separates what publishers declare from what we observed.

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Records are indexed from public sources and attributed to them. Observed data is ours; declared data is theirs.PrivacyTermsv0.1 · early network
Capabilities/research

Research

Literature, scientific and web research.

3.1k records2383 liveRefine in search →
Academic ResearchDeep Web ResearchPeople & Company Research
x402-vend — WebIntelMCP serverMCP
by OmarNassar1127
Live

Pay-per-call web & EU business intelligence for AI agents (x402 USDC on Base). 11 tools.

People & Company Research~55%Security Scanning~51%
https://x402.omardev.xyz/mcpok 1 h ago
korea-tax-law-mcpMCP serverMCP
by minsooparkk
Live

Korean tax law graph: current statutes, 150k+ court/tribunal cases, 145k+ NTS rulings.

Accounting~100%Knowledge Graphs~86%Documentation Lookup~54%Academic Research~54%
https://mcp.taxjarvis.com/mcpok 1 h ago
Yamagishi Lab: math-physics papers and separatorsMCP serverMCP
by com.sakuraweb.yamagishi
Live

Search 1,094 math-physics preprints (JA/EN, CC BY 4.0); prompts for separators and pi-factor roots.

Academic Research~100%
https://yamagishi.sakuraweb.com/mcpok 1 h ago
Counterfoil — the cityMCP serverMCP
by com.theriemannhypothesis
Live

Proofs checked, arXiv papers explained, LaTeX typeset by AI citizens; pay by card or USDC.

Academic Research~100%Markets & Trading~53%
https://theriemannhypothesis.com/mcpok 1 h ago
ElkassabgiDataMCP serverMCP
by com.elkassabgidata
Live

A growing family of free academic data libraries: finance, economics, and beyond (ElkassabgiData).

Markets & Trading~100%Academic Research~100%Packages & Dependencies~93%E-commerce Operations~51%
https://elkassabgidata-mcp.elkassabgi.workers.dev/mcpok 1 h ago
Animal ChecklistMCP serverMCP
by ArneFfm
Live

Search animals in eight languages with habitats, countries, photos and source credits.

Academic Research~55%Writing & Editing~51%
https://animalchecklist.com/mcpok 1 h ago
1cent Web Intelligence for AI AgentsMCP serverMCP
by ru.maxzoa
Live

SSRF-safe web intelligence: 4 outcomes, 43 paid x402 tools, 3 free tools and a URL preview.

Pricing & Quotes~100%News & Feeds~92%Localization~58%Identity & Access~58%Documentation Lookup~54%
https://1cent.maxzoa.ru/mcpok 1 h ago
AgentGidMCP serverMCP
by com.agentgid
Live

Catalog for building with AI agents: tools, APIs, licensed assets, prices and history, recipes.

Speech Synthesis~100%Packages & Dependencies~100%Payments~100%Pricing & Quotes~99%3D & Design~93%
https://agentgid.com/mcpok 1 h ago
PromiseMCP serverMCP
by ai.usepromise
Live

Evidence-backed follow-through memory for what you owe, await, and need to remember.

Agent Memory~89%Identity & Access~58%Secrets Management~57%Writing & Editing~54%Academic Research~54%
https://mcp.usepromise.ai/mcpok 1 h ago
Nexus Agent Network · AlpineLead OIMCP serverMCP
by maxschnee74-source
Live

DACH B2B company research, lead qualification and sales intel for agents. Free preview, pay per task

CRM & Sales~100%Payments~100%Pricing & Quotes~100%Identity & Access~100%People & Company Research~100%
https://mcp.alpinelead-oi.io/mcp?source=mcp-registryok 1 h ago
Zoning SignalMCP serverMCP
by com.zoningsignal
Live

Planning and zoning records: 25 jurisdictions in Lake, Orange, Osceola, Polk, Seminole counties, FL

Calendar & Scheduling~100%Reasoning & Planning~94%Vector Search~58%Documentation Lookup~54%E-commerce Operations~54%
https://zoningsignal.com/mcpok 1 h ago
AppraisilyMCP serverMCP
by com.appraisily
Live

Check past auction prices in ChatGPT, plus appraisal prep and sample reports.

Reporting & Dashboards~89%Marketing~54%Filesystem~54%Academic Research~54%Agent Discovery~54%
https://mcp.appraisily.com/mcpok 1 h ago
KnowraMCP serverMCP
by app.knowra
Live

Search arXiv papers and read Scout reports with methods, evidence and verification points.

Academic Research~100%
https://mcp.knowra.app/mcpok 1 h ago
Timezone ClockMCP serverMCP
by sadri-dridi
Live

Current time in a named IANA timezone.

Browser Automation~100%People & Company Research~58%Web Scraping~54%Prompt Management~53%Weather~51%
https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/timezone-clock/mcpok 1 h ago
mcpMCP serverMCP
by gl.parse
Live

See how ChatGPT, Claude, Perplexity, and Gemini cite brands, prompts, and sources.

Reporting & Dashboards~100%Tasks & To-do~96%Notifications~58%Documentation Lookup~54%Academic Research~54%
https://mcp.parse.gl/mcpok 1 h ago
United AI Network MCP serverMCP serverMCP
by uain.global
Live

Find live research tasks with stated prior-art and verification plans, inspect their records, and participate with operator approval.

Tasks & To-do~86%Filesystem~54%Academic Research~54%Agent Discovery~54%
https://uain.global/mcpok 2 h ago
Penwright — writing-craft library, guide metadata, and magazineMCP serverMCP
by ink.penwright
Live

Read-only access to Penwright's writing-craft book library, grounded guide metadata (card-level...

Writing & Editing~100%Academic Research~54%Contracts & Legal~53%
https://penwright.ink/api/mcpok 2 h ago
Assistant HubMCP serverMCP
by io.rmassistanthub
Live

Ranked crypto setups with a graded track record, and trading skills with public records.

Markets & Trading~100%Banking~58%Reasoning & Planning~54%Deep Web Research~54%Contracts & Legal~53%
https://rmassistanthub.io/mcpok 2 h ago
MCP QueenMCP serverMCP
by com.mcpqueen
Live

The evidence layer for MCP: live operational grades plus Trust Receipts for every registry server.

Academic Research~54%
https://mcpqueen.com/mcpok 2 h ago
Shoon A2A Trust Services (pilot)MCP serverMCP
by ShoonEnterprises
Live

Five trust services for agents: claim checks, citation audits, extraction, tripwires, work audits.

Data Extraction~100%News & Feeds~93%CI/CD & Deploy~55%Academic Research~54%SEO~53%
https://shoon-a2a-sandbox.onrender.com/mcpok 2 h ago
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research