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Search / io.github.karta9821/json2toon

JSON to TOON

R0· no sign-in

Convert JSON to TOON (about 43% fewer LLM tokens) and TOON back to JSON. Free, no auth.

v1.0.1 · active · website · descriptor JSON · versions

An agent can connect right now, no human step.Remote endpoint, no authentication, reachable on the last probe.
Quality85good
Trust79of 100
Uptime, 30 days97%
Latency p501429 ms

Connect

8 clients · secrets stay placeholders
{
  "mcpServers": {
    "json2toon": {
      "type": "http",
      "url": "https://json2toon.co/api/mcp"
    }
  }
}
claude mcp add --transport http json2toon https://json2toon.co/api/mcp
[mcp_servers.json2toon]
url = "https://json2toon.co/api/mcp"
{
  "$schema": "https://opencode.ai/config.json",
  "mcp": {
    "json2toon": {
      "type": "remote",
      "url": "https://json2toon.co/api/mcp",
      "enabled": true
    }
  }
}
{
  "mcpServers": {
    "json2toon": {
      "type": "http",
      "url": "https://json2toon.co/api/mcp"
    }
  },
  "deeplink": "cursor://anysphere.cursor-deeplink/mcp/install?name=json2toon&config=eyJ0eXBlIjoiaHR0cCIsInVybCI6Imh0dHBzOi8vanNvbjJ0b29uLmNvL2FwaS9tY3AifQ%3D%3D"
}
{
  "servers": {
    "json2toon": {
      "type": "http",
      "url": "https://json2toon.co/api/mcp"
    }
  }
}
{
  "mcpServers": {
    "json2toon": {
      "httpUrl": "https://json2toon.co/api/mcp"
    }
  }
}
extensions:
  "json2toon":
    enabled: true
    name: "json2toon"
    type: streamable_http
    uri: "https://json2toon.co/api/mcp"
    timeout: 300

Quality 85 / 100good

protocol75 · weight 25
  • warn
    protocol.modernnewest supported version is 2025-11-25; 2026-07-28 not supported, older versions are deprecated until 2027-07-28
  • n/a
    protocol.statelessonly applies to 2026-07-28 servers
  • pass
    protocol.transportstreamable HTTP
  • n/a
    protocol.list_ttlonly applies to 2026-07-28 servers
authorizationn/a · weight 15
  • n/a
    auth.prm, auth.as_metadata, auth.cimdno remote uses OAuth
  • n/a
    auth.secret_in_urlno templated URL
tool hygiene86 · weight 30
  • pass
    tools.descriptionsevery tool has a description
  • pass
    tools.description_lengthdescriptions are concise
  • pass
    tools.schemasevery tool has an object input schema
  • pass
    tools.annotations2 of 2 tools declare readOnlyHint or destructiveHint
  • fail
    tools.directory_hintsno tool declares all four of readOnlyHint, destructiveHint, idempotentHint and openWorldHint; missing: toon_to_json (destructiveHint, idempotentHint); json_to_toon (destructiveHint, idempotentHint)
  • pass
    tools.token_costabout 171 tokens to load every tool
  • pass
    tools.api_dumptools are not a one-to-one API dump
stability100 · weight 15
  • pass
    stability.changes1 tool changes in 30 days
  • pass
    stability.rug_pullno tool changed its meaning under the same name
dependenciesn/a · weight 15
  • n/a
    deps.known_vulns, deps.mcp_sdk_version, deps.resolvableno npm or PyPI package

2 tools, about 171 tokens to load them all · tool set 5159dcf5437a · tools last changed 2026-10-09 · checked 2026-10-19 10:20 UTC

Tool changes

  • json_to_toonchangeddescription
    before

    Convert JSON to TOON (Token-Oriented Object Notation), a compact format that uses about 40% fewer LLM tokens than JSON. Best for uniform arrays of objects.

    after · 86% of words in common

    Convert JSON to TOON (Token-Oriented Object Notation), a compact format that uses about 43% fewer LLM tokens than JSON on average. Best for uniform arrays of objects.

Full history: list_changes · trend: quality JSON.

Checks run on what our credential-free, read-only probes observe; tools are never called and no code audit is performed. How it is computed.

Trust 79 / 100

no-repository
provenance45
liveness99
freshness100
hygiene80

+website +reachable +uptime-97% +updated-10d-ago -no-repository

Derived from observable signals (official registry feed and our own credential-free probes); no code audit performed. How it is computed.

Endpoints

remoteauthreachableuptime 30dp50protocollast ok
https://json2toon.co/api/mcp streamable-httpnoneyes97%1429 ms2025-11-252026-10-19

Tools (2)

json_to_toonread-onlyConvert JSON to TOON (Token-Oriented Object Notation), a compact format that uses about 43% fewer LLM tokens than JSON on average. Best for uniform arrays of objects.
toon_to_jsonread-onlyDecode a TOON document back to pretty-printed JSON.

Schemas: list_tools.

Similar MCP servers

Official server.json
{
  "name": "io.github.karta9821/json2toon",
  "title": "JSON to TOON",
  "$schema": "https://static.modelcontextprotocol.io/schemas/2025-12-11/server.schema.json",
  "remotes": [
    {
      "url": "https://json2toon.co/api/mcp",
      "type": "streamable-http"
    }
  ],
  "version": "1.0.1",
  "websiteUrl": "https://json2toon.co/mcp",
  "description": "Convert JSON to TOON (about 43% fewer LLM tokens) and TOON back to JSON. Free, no auth."
}