io.github.cyanheads/iana-registries-mcp-server
iana-registries-mcp-server
io.github.cyanheads/iana-registries-mcp-server costs 4 636 tokens of context per session. It has 10 tool definitions. That is 2.3 % of a 200k window. Measured 2026-10-03.
Find IANA ports, MIME types, HTTP codes/fields, URI schemes, PENs, BCP 47 tags, RFCs, any registry.
alive probed 2026-10-03 · HTTP 200
10tools
4.6ktokens for the tool definitions
2.3 %of a 200k context window
777 msto initialize
241 msto list tools
- Endpoint
- https://iana-registries.caseyjhand.com/mcp (streamable-http)
- Host
- iana-registries.caseyjhand.com
- Protocol
- 2025-11-25
- Reports itself as
- iana-registries-mcp-server 0.2.0
- Capabilities
- logging, prompts, resources, tools
- Instructions
- 1 679 characters
- Repository
- https://github.com/cyanheads/iana-registries-mcp-server
- Registry
- active, updated 2026-10-02 · registry entry
- Reachable
- 2 of the last 2 probes
Most expensive tools
| Tool | Tokens | Share of this server |
|---|---|---|
| iana_get_registry_records | 936 | 20 % |
| iana_get_rfc_status | 520 | 11 % |
| iana_lookup_media_type | 506 | 11 % |
| iana_lookup_port | 491 | 11 % |
| iana_lookup_language_tag | 472 | 10 % |
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 20:37 | alive | 777 ms | 10 | 4.6k |
| 2026-10-03 17:53 | alive | 612 ms | 10 | 4.6k |
Badge
[](https://mcp-pulse.ulehla.dev/s/io.github.cyanheads/iana-registries-mcp-server)