org.toolkitlabs/jsonshim
jsonshim
Is the jsonshim MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.
Recovers malformed LLM JSON. MCP build: 218/300 on MALFORMED-300 (library build 282/300).
alive probed 2026-11-14 · unchanged since 2026-10-30
- Run it
- npx -y jsonshim-mcp@1.0.2 (stdio, probed in a container with the network off)
- Host
- npmjs.com
- Reports itself as
- jsonshim-mcp 1.0.2
- Capabilities
- tools
- Instructions
- none
- Of a 1M window
- <0.1 % of a 1M context window
- Count
- 246 tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 266. The o200k_base estimate is 133. Counted again when the tool definitions change. Method.
- Website
- https://toolkitlabs.org/tools/jsonshim-mcp/
- Registry
- active, updated 2026-08-27 · registry entry
Most expensive tools
The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.85×.
| Tool | ≈ Claude tokens | o200k estimate | Share of this server |
|---|---|---|---|
| classify_json_failure | 131 | 71 | 53 % |
| recover_json | 115 | 62 | 47 % |
Compare this server with others.
More servers
Other registry entries on npmjs.com, the ones next to this name; all of them.
- Portproof org.portproof/mcp · alive
- AgentForge org.sciscale/agentforge-mcp · alive
- org.sylin/ghostlight · needs network
- org.thewaterhub/water-system-pricing-index · alive
- org.velocms/mcp · alive
- VR.org VR / AR / XR Reader org.vr/vr-mcp · alive
- page.invoker/mcp · alive
- pl.piszczek/ai-economics · alive
Servers that mention malformed or recovers.
- Austin Oaks Payload Rescue com.freshypenguin/ao-payload-rescue · not found
- JSON Repair & Agent Utilities com.pythonanywhere.cryptopulse/json-repair · not found
- Solana Cleanup com.recoversolrent/solana-cleanup · alive
- io.github.CedricKouma/json-repair · needs auth
- UNLAV Shopify CSV Catalog Check io.github.Ivansky1/shopify-csv-catalog-check · no DNS
- io.github.shoggi211/jsonaut · alive
- io.github.robertoyanguas-ops/json-repair-mcp · alive
- io.github.grupoanesthy-spec/json-repair-mcp · alive
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.