Agent Tools

Standalone MCP directory — 41831 servers across 20903 domains, each exposing a remote (streamable-http) endpoint and health-probed via a JSON-RPC initialize handshake.

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Aggregated from the official MCP Registry, Smithery, PulseMCP 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 41831 indexed servers, of which 36582 answered within the last 6 h.

Indexed
41831 servers
20903 domains
+2701 new this week
Healthy
36582 servers
17901 domains
initialize handshake < 6 h
Conformant
23482 servers
10858 domains
tools/list verified · ~1001ms p95
x402-capable
34 servers
29 domains
accepts x402 payment

Top rated

by quality score · health · trust signals
# Tool Grade Score
1 agent-tools (x402 directory)
Discover and call x402 paid services — search by intent, filter by price/chain.
A 10.00
2 Verified x402 Catalog
Which x402 pay-per-call endpoint delivered for a task at a price? Facts from our own paid calls.
A 10.00
3 True Value Rankings
Cryptocurrency fundamentals for agents: TVR Scores, rankings and model-derived valuation estimates.
A 10.00
4 Islamic calendar month 1-12 band
Islamic calendar month 1-12 band
A 10.00
5 SCSU window-tag count, input discarded
SCSU window-tag count, input discarded
A 10.00
6 :path absolute-path shape, value discarded
:path absolute-path shape, value discarded
A 10.00
7 SEDOL 7-char charset, value discarded
SEDOL 7-char charset, value discarded
A 10.00
8 Gregorian leap-year band
Gregorian leap-year band
A 10.00
9 X-Real-IP IPv4/IPv6 shape, value discarded
X-Real-IP IPv4/IPv6 shape, value discarded
A 10.00
10 Wavefront OBJ vertex count, file discarded
Wavefront OBJ vertex count, file discarded
A 10.00

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)