io.github.priyanshuN/jsonloupe
jsonloupe
Is the jsonloupe MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-27.
Open huge JSON locally and give agents its shape, queries and exact values, never the whole blob.
alive probed 2026-11-15 · unchanged since 2026-10-27
- Run it
- npx -y jsonloupe@1.9.2 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- jsonloupe 1.9.2
- Capabilities
- tools
- Instructions
- 1 250 characters
- Of a 1M window
- ≈ 0.4 % of a 1M context window, estimate
- Claude count
- The count_tokens endpoint refused the tool schemas: tools.5.custom.input_schema: input_schema does not support oneOf, allOf, or anyOf at the top level. The estimate stands in.
- Repository
- https://github.com/priyanshuN/jsonloupe
- Website
- https://jsonloupe.dev/
- Registry
- active, updated 2026-10-27 · 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
Estimates with the o200k_base tokenizer.
| Tool | o200k estimate | Share of this server |
|---|---|---|
| run_query | 1 244 | 31 % |
| run_checks | 480 | 12 % |
| export_result | 320 | 8 % |
| profile | 313 | 8 % |
| export_csv | 280 | 7 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- io.github.prismnetwork-tech/mcp · alive
- PrivadoVPN x402 Payer io.github.privadovpn/x402-mcp · crashed on start
- io.github.priyankark/hci-quality-mcp · alive
- io.github.priyankark/lighthouse-mcp · alive
- io.github.proars/ghost-mcp-server · needs env
- Livespace CRM MCP Server io.github.proAutomator/livespace-crm-mcp · not probed
- Probarion io.github.probarion/probarion · needs env
- probe402-check io.github.probe402/probe402-check · alive
Servers that mention locally or queries.
- Buron ai.buron/buron · paid (402)
- Porteur ai.porteur/porteur · needs auth
- app.indicia/mcp · needs auth
- ai.smithery/kodey-ai-salesforce-mcp · not found
- ai.smithery/kodey-ai-salesforce-mcp-kodey · not found
- ai.smithery/kodey-ai-salesforce-mcp-minimal · not found
- ai.smithery/kodey-ai-salesforce-mcp-server · not found
- exascale.build build.exascale/osint · 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 06:57 | alive | 172 ms | 12 | 4.0k | |
| 2026-10-26 07:05 | alive | 224 ms | 12 | 3.7k |
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 Anthropic count_tokens endpoint refused the tool schemas (tools.5.custom.input_schema: input_schema does not support oneOf, allOf, or anyOf at the top level). A client that validates schemas can refuse them too.