io.github.ashlrai/lexicon
Lexicon
Is the Lexicon MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.
Fixes the names and jargon speech-to-text gets wrong before your agent acts on a dictated prompt.
alive probed 2026-11-14 · unchanged since 2026-10-27
- Run it
- npx -y @ashlr/lexicon@0.5.4 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- lexicon 0.5.4
- Capabilities
- prompts, resources, tools
- Instructions
- 2 886 characters
- Of a 1M window
- 0.8 % of a 1M context window
- Count
- 8.5k tokens in Claude Opus 5.5, exact, measured 2026-10-27. With the Claude Code prefix mcp__…__ on each tool name: 8.7k. The o200k_base estimate is 5.2k. Counted again when the tool definitions change. Method.
- Repository
- https://github.com/ashlrai/lexicon
- Website
- https://lexicon.ashlr.ai
- Registry
- active, updated 2026-09-28 · registry entry
- Changes
- 2 recorded, reachable in 2 of them. A row is added when the result, the tool count or the cost changes.
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.63×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| setup_lexicon | 1 069 | 655 | 13 % |
| add_term | 767 | 470 | 9 % |
| normalize_transcript | 677 | 415 | 8 % |
| lexicon_doctor | 659 | 404 | 8 % |
| harvest_repo | 574 | 352 | 7 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- Kshana PNT-resilience simulator io.github.ashfordeOU/kshana-mcp · needs network
- ReplyAtlas io.github.ashishdesai0592/replyatlas · needs env
- vaultguard io.github.ashishrao-4/vaultguard · alive
- Ashlr Stack io.github.ashlrai/ashlr-stack · alive
- Phantom Secrets io.github.ashlrai/phantom-secrets-mcp · needs network
- webfetch io.github.ashlrai/webfetch · alive
- Agent Readiness Auditor io.github.asish-singh/agent-readiness-auditor · alive
- VK Ads MCP io.github.askads/mcp-vk-ads · alive
Servers that mention lexicon.
- AFD Knowledge com.afdinstitute/afd-knowledge · needs auth
- Taproot: AT Protocol MCP com.atproto-mcp/taproot · alive
- PodLexicon com.podlexicon/podlexicon · alive
- NuBerea com.streamsapps/nuberea · needs auth
- io.github.nadine302324-commits/lexicon · TLS error
- Dictionary Lexicon Mcp io.github.varvararatta/dictionary_lexicon_mcp · not MCP
- io.github.aarshbharat/gujarati-lexicon-mcp · alive
- io.github.CloudCorpRecords/stylechart · alive
History
We add a row when the result changes. A server with no change keeps its last row.
| Probed | Result | Init | Tools | Claude | o200k |
|---|---|---|---|---|---|
| 2026-10-27 06:52 | alive | 371 ms | 19 | 8.5k | 5.2k |
| 2026-10-20 06:40 | alive | 360 ms | 19 | 5.2k |
Badge for the README
The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.
A mail when this server changes
Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.
For the publisher
- The server answers initialize and tools/list. Nothing to fix.