dev.sarnai/agent-discovery-board
Agent Discovery Board by SarnAI
Free directory to find AI agents: search MCP servers and x402 services, then connect, pay, verify.
alive probed 2026-10-14 · HTTP 200
11tools
8.9ktokens in Claude Opus 5.5
9.1ktokens in Claude Code
4.5 %of a 200k context window
5.5ko200k_base estimate
684 msto initialize
673 msto list tools
- Endpoint
- https://board.sarnai.dev/mcp (streamable-http)
- Host
- board.sarnai.dev
- Protocol
- 2025-11-25
- Reports itself as
- Agent Discovery Board by SarnAI 0.4.19
- Capabilities
- experimental, prompts, resources, tools
- Instructions
- 1 160 characters
- Claude count
- Claude Opus 5.5, measured 2026-10-14. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/sarnai-dev/agent-discovery-board-public
- Website
- https://sarnai.dev
- Registry
- active, updated 2026-10-14 · registry entry
- Reachable
- 8 of the last 8 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| search_listings | 1 029 | 19 % |
| register_me | 1 026 | 19 % |
| find_agents | 772 | 14 % |
| how_to_pay | 598 | 11 % |
| list_facets | 511 | 9 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-14 18:27 | alive | 1.8 s | 11 | 8.9k | 5.5k |
| 2026-10-14 09:17 | alive | 844 ms | 11 | 8.9k | 5.5k |
| 2026-10-13 11:11 | alive | 358 ms | 11 | 10k | 6.1k |
| 2026-10-12 11:36 | alive | 1.3 s | 11 | 9.8k | 5.9k |
| 2026-10-11 10:19 | alive | 582 ms | 11 | 9.8k | 5.9k |
| 2026-10-10 10:10 | alive | 1.0 s | 11 | 9.7k | 5.8k |
| 2026-10-09 11:14 | alive | 867 ms | 11 | 9.7k | 5.8k |
| 2026-10-08 11:08 | alive | 684 ms | 11 | 9.7k | 5.8k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.sarnai/agent-discovery-board)
An entry for every probe that changed the result, the tool count or the token cost: Atom feed. Add it to a feed reader or a Slack RSS app to hear when the server stops answering or its tool set grows.