Agent Tools
List

Standalone MCP directory — 61862 servers across 36145 domains, each exposing a remote (streamable-http) endpoint and health-probed via a JSON-RPC initialize handshake.

Add your server

Aggregated from the official MCP Registry, Smithery and other public registries, plus our own crawling and operator submissions. Every server is de-duplicated by endpoint, health-probed via a live JSON-RPC initialize handshake, and statically scanned for malware & prompt-injection patterns in its advertised tools before listing — yielding 61862 indexed servers, of which 53021 answered within the last 6 h.

Indexed
61862 servers
36145 domains
+4109 new this week
Healthy
53021 servers
31253 domains
initialize handshake < 6 h
Conformant
35921 servers
19177 domains
tools/list verified · ~1350ms p95
x402-capable
30 servers
26 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 Homo Universalis — HU-DIAMOND v1.1 Cryptographic Verifier & AST Kintsugi MCP Server A 10.000
2 FlowState Hosted A 10.000
3 Verified x402 Catalog A 10.000
4 True Value Rankings A 10.000
5 X402-Broker Universal MCP Gateway & Multi-Agent Swarm Router A 10.000
6 GraphQL operation count, query discarded A 9.998
7 Paper Search (arXiv + Semantic Scholar + OpenAlex) A 9.994
8 BNF production count, body discarded A 9.994
9 multibase z-prefix, value discarded A 9.994
10 Liters to US gallons A 9.994
11 Slugs to kilograms, number discarded A 9.992
12 Sponsored Agent Placement A 9.991
13 UUID v7 unix-ms layout, value discarded A 9.991
14 Train-Case segment count, text discarded A 9.991
15 Utility 87 A 9.991
16 Utility 43 A 9.991
17 Asia/Sakhalin clock A 9.991
18 GitHub topic slug charset, value discarded A 9.989
19 Utility 18 A 9.989
20 pyproject.toml table count, body discarded A 9.989

All MCP servers

Continuously aggregated · refreshed daily.

/api/v1/mcp/stats

Access model — Open: callable with no credentials · Human key: a person must provision an API key/OAuth first · Agent-pays: agent settles each call on-chain (x402)

“Code Sentinel” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“GitHub Code Search” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“HS Code Classifier” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.

“Tariff & HS Code Duty Finder” is shared by 2 different URLs

All exact-name matches are shown; ranked results follow.
  • Tariff & HS Code Duty Finder https://server.smithery.ai/nguyenhieuec/tariffs/mcp
    mcp ok

    Find an HS code, HTS code or customs code, and read the customs duty or import tax. Ask "what is the tariff code for a ceramic flower pot in the UK?", "what is the US duty on HTS 8507.60.00?" or "what duty applies to code 6914100000 from Vietnam in the UK?". Tariff and HS Code Duty Finder reads the official schedules published by governments: the UK Trade Tariff (HM Revenue & Customs) and the US Harmonized Tariff Schedule (US International Trade Commission). Describe the product and it lists the codes whose descriptions match, with the headings above each one so a line that only says "Other" can be read in context. Give a code and it returns the description, the duty rate and, for the UK, the VAT rate, the preferential rate for the country the goods come from and other measures that apply. People also call it Tariff Code Finder.

  • Tariff & HS Code Duty Finder https://tariffs.openkrill.app/mcp
    mcp ok

    Find an HS code, HTS code or customs code, and read the customs duty or import tax.

“Ziplore: US ZIP Code API (county, time zone, demographics, radius)” is shared by 3 different URLs

All exact-name matches are shown; ranked results follow.