dev.semanticreader/semantic-reader
Priority — TypeScript Compiler Intelligence
Stateless TS/JS compiler facts for agents: references, imports, impact. No repo index or OAuth.
alive probed 2026-10-05 · HTTP 200
12tools
1.5 %of a 200k context window
3.1ktokens, o200k_base estimate
729 msto initialize
740 msto list tools
- Endpoint
- https://semanticreader.dev/mcp/registry (streamable-http)
- Host
- semanticreader.dev
- Protocol
- 2025-11-25
- Reports itself as
- semantic-reader 0.3.0
- Capabilities
- tools
- Instructions
- 3 394 characters
- Claude count
- The count_tokens endpoint refused the tool schemas: tools.3.custom.input_schema: input_schema does not support oneOf, allOf, or anyOf at the top level. The estimate stands in.
- Website
- https://semanticreader.dev
- Registry
- active, updated 2026-09-14 · registry entry
- Reachable
- 5 of the last 5 probes
Most expensive tools
| Tool | Tokens (o200k) | Share of this server |
|---|---|---|
| get_diagnostics | 531 | 17 % |
| get_type | 518 | 17 % |
| get_symbol_context | 355 | 12 % |
| query_code | 234 | 8 % |
| find_symbol | 230 | 8 % |
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-05 00:24 | alive | 729 ms | 12 | 3.1k | |
| 2026-10-04 10:00 | alive | 758 ms | 12 | 3.1k | |
| 2026-10-04 07:53 | alive | 1.1 s | 12 | 3.1k | |
| 2026-10-03 20:33 | alive | 1.1 s | 12 | 3.1k | |
| 2026-10-03 17:50 | alive | 993 ms | 12 | 3.1k |
Badge and feed
[](https://mcpcost.ulehla.dev/s/dev.semanticreader/semantic-reader)
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.