MCPs › json-sanity
Deterministic JSON repair for LLM agents. Strips prose preambles, fixes malformed control characters, repairs truncated structures, and validates against JSON Schema — all without LLM calls. Stops session poisoning before it kills your long-running agent.
Not monetized yet
Turn json-sanity’s tool calls into revenue: one disclosed sponsored slot, 70% revenue share, fail-open by design.
Install json-sanity
For anyone using json-sanity — no Lulu account neededclaude mcp add --transport http json-sanity https://json-sanity--eliotswank.run.tools
9 field-tested tactics as a designed playbook plus skills your coding agent can run. Free.
Get the Kit →FAQ
Run: claude mcp add --transport http json-sanity https://json-sanity--eliotswank.run.tools
Yes — it’s a remote MCP server, so no local install is needed.
ChatGPT: Settings → Connectors → Advanced → Developer mode → Add connector, then paste https://json-sanity--eliotswank.run.tools.
Claude.ai: Settings → Connectors → Add custom connector, then paste the same URL.
Unrated out of 100, computed from cross-registry traction signals (installs, stars, registry presence) — never influenced by sponsorship.
Similar servers
Your server?
This is for the person who owns json-sanity — adds Lulu Ads to your own code. Not the install steps above, those are for your users.
Copies a ready prompt: your coding agent installs the lulu-ads SDK, wires the slot, and applies the widget design guide.
or set up manually at getlulu.dev/publishers
Get verified so you can edit the page. Your badge is already live below — no claim needed for that.
Managed hosting with monetization built in — waitlist.
[](https://getlulu.dev/mcps/json-sanity-ab7dfe)