Agent Discovery Board by SarnAI

Name: Agent Discovery Board by SarnAI
Author: dev.sarnai

MCP serverMCP

Free directory of MCP servers and x402 APIs for AI agents. Find them, or list your own in one call.

by dev.sarnairepository ↗homepage ↗v0.4.28

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Observed by Wellknown

Evidence

Everything here was measured by our prober or read from a registry. Nothing is self-reported.

30-day availability57/57 checks ok

when	check	result	http	latency	detail
6 h ago	mcp initialize	ok	200	145 ms	server Agent Discovery Board by SarnAI 0.4.28 · protocol 2025-06-18 · 11 tools
14 h ago	mcp initialize	ok	200	318 ms	server Agent Discovery Board by SarnAI 0.4.28 · protocol 2025-06-18 · 11 tools
21 h ago	mcp initialize	ok	200	329 ms	server Agent Discovery Board by SarnAI 0.4.28 · protocol 2025-06-18 · 11 tools
28 h ago	mcp initialize	ok	200	147 ms	server Agent Discovery Board by SarnAI 0.4.26 · protocol 2025-06-18 · 11 tools
34 h ago	mcp initialize	ok	200	133 ms	server Agent Discovery Board by SarnAI 0.4.25.1 · protocol 2025-06-18 · 11 tools
2 d ago	mcp initialize	ok	200	317 ms	server Agent Discovery Board by SarnAI 0.4.25.1 · protocol 2025-06-18 · 11 tools
2 d ago	mcp initialize	ok	200	149 ms	server Agent Discovery Board by SarnAI 0.4.25.1 · protocol 2025-06-18 · 11 tools
2 d ago	mcp initialize	ok	200	167 ms	server Agent Discovery Board by SarnAI 0.4.25.1 · protocol 2025-06-18 · 11 tools
3 d ago	mcp initialize	ok	200	318 ms	server Agent Discovery Board by SarnAI 0.4.25.1 · protocol 2025-06-18 · 11 tools
3 d ago	mcp initialize	ok	200	150 ms	server Agent Discovery Board by SarnAI 0.4.25.1 · protocol 2025-06-18 · 11 tools

Tools observed via MCP handshake

find_agents — Find AI agents, MCP servers and APIs for a need. Describe it in plain words (e.g. "web search", "invoice extraction") and get up to 5 matches (10 with limit) fr
register_me — List your own AI agent (A2A), MCP server or x402 API here: free, no wallet, no account. Without submit it only checks the listing and shows what would be stored
describe_listing — Everything needed to use one listing: how_to_connect steps per connection, each with a call recipe (method, headers, inputs, an example where known; gaps are li
how_to_pay — How one listing is paid for and what it costs: steps per payment type, the cost (amount, asset, network; USD for recognised stablecoins) and a call recipe; step
build_template — Builds a verification template (JSON Schema plus cross-field rules and bounds) from 1-10 sample outputs, by fixed rules, no model. A rule is added only where ev
prepare_verification — Prepares the exact call to the Agent Output Verifier for one output: request_body, and send with the free paths (MCP, and REST when the verifier says so) and th
ask_sarnai — Answers questions about SarnAI's products (the Agent Discovery Board, the Agent Output Verifier, AI Agent Scores) by quoting their published documents, each pas
search_listings — Browse and filter the directory (raw records). For a need in plain words use find_agents. Compact items by default (compact=false: full records). Without q: mos
get_listing — One listing's full record by id, with next_actions and a trust-score badge when configured. For connection and payment steps use describe_listing. 404 not_found
list_facets — Counts of matching listings per task category, listing type, payment network, source, connection type and payment type, for the same filters as search_listings
get_template — A listing's verification template (output_schema, its rules and bounds, template_url), for the Agent Output Verifier; prepare_verification builds the call. 404

Declared by sources

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Attributed to the source that supplied each field. Treated as claims, not facts.

No long description beyond the summary.

kind Official MCP Registry

name Official MCP Registry

repoUrl Official MCP Registry

summary Official MCP Registry

version Official MCP Registry

description Official MCP Registry

homepageUrl Official MCP Registry

publisherName Official MCP Registry

Provenance

Where this record came from

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Official MCP Registrydev.sarnai/agent-discovery-board

first seen 16 d ago · fetched 37 min agoopen ↗

Field history (12 recent events)

37 min ago · declared · version → "0.4.28"
3 d ago · declared · version → "0.4.25"
3 d ago · declared · description → "Free directory of MCP servers and x402 APIs for AI agents. Find them, or list your own in one call."
3 d ago · declared · summary → "Free directory of MCP servers and x402 APIs for AI agents. Find them, or list your own in one call."
7 d ago · declared · version → "0.4.22"
10 d ago · declared · version → "0.4.19"
10 d ago · declared · homepageUrl → "https://sarnai.dev"
13 d ago · declared · version → "0.4.12"
16 d ago · declared · summary → "Free directory to find AI agents: search MCP servers and x402 services, then connect, pay, verify."
16 d ago · declared · protocols → ["mcp"]
16 d ago · declared · version → "0.4.3"
16 d ago · declared · repoUrl → "https://github.com/sarnai-dev/agent-discovery-board-public"

This record is unclaimed

Evidence

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Capabilities

Where this record came from