io.rdapapi/rdap
RDAP API
io.rdapapi/rdap costs 982 tokens of context per session. It has 7 tool definitions. That is 0.5 % of a 200k window. Measured 2026-10-03.
Normalized JSON for any domain across 1,200+ TLDs, reading WHOIS where no RDAP server exists.
alive probed 2026-10-03 · HTTP 200
7tools
982tokens for the tool definitions
0.5 %of a 200k context window
1.2 sto initialize
1.5 sto list tools
- Endpoint
- https://rdapapi.io/mcp/rdap (streamable-http)
- Host
- rdapapi.io
- Protocol
- 2025-11-25
- Reports itself as
- RDAP API 1.2.0
- Capabilities
- prompts, resources, tools
- Instructions
- 1 878 characters
- Website
- https://rdapapi.io/mcp
- Registry
- active, updated 2026-09-02 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens | Share of this server |
|---|---|---|
| bulk-domain-lookup | 208 | 21 % |
| tlds | 200 | 20 % |
| domain-lookup | 167 | 17 % |
| ip-lookup | 136 | 14 % |
| entity-lookup | 130 | 13 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Tokens |
|---|---|---|---|---|
| 2026-10-03 20:41 | alive | 1.2 s | 7 | 982 |
| 2026-10-03 17:56 | alive | 263 ms | 7 | 982 |
Badge
[](https://mcp-pulse.ulehla.dev/s/io.rdapapi/rdap)