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Convert JSON to TOON (about 40% fewer LLM tokens) and TOON back to JSON. Free, no auth.
MCP endpoint :https://json2toon.co/api/mcp · website · measurements and detailsOffline persistent memory for AI coding agents — 35 tools, 80% fewer calls, no LLM
Package npm :toon-memory · website · measurements and detailsMCP server that reduces LLM context by removing code comments and converting data formats to TOON
Package pypi :toon-parse-mcp · website · measurements and detailsSmart structured-data to TOON gateway: converts to TOON only when it saves LLM tokens.
Package pypi :datoon · website · measurements and detailsJSON tools MCP.
MCP endpoint :https://gateway.pipeworx.io/json/mcp · website · measurements and detailsJSON validity
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-ok/mcp · website · measurements and detailsAccept JSON hint
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/accept-json/mcp · website · measurements and detailsJSON Accept hint
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/compat-json/mcp · website · measurements and detailsapplication/json marker
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/mime-json/mcp · website · measurements and detailsJSON syntax validation, JSON Schema checking, structure stats. x402 micropayment.
MCP endpoint :https://json-validator.api.klymax402.com/mcp · website · measurements and detailsJSON byte count, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-bytes/mcp · website · measurements and detailsJSON minify shape, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-min-ok/mcp · website · measurements and detailsJSON Pointer shape, path discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-pointer-ok/mcp · website · measurements and detailsCheck whether text is valid JSON. The body is discarded.
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-check/mcp · website · measurements and detailsJSON-LD script count, markup discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-ld-n/mcp · website · measurements and detailsJSON Lines row count, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-lines-ok/mcp · website · measurements and detailsPretty-print JSON shape, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-pretty-ok/mcp · website · measurements and detailsJSON Pointer token count, path discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-ptr-ok/mcp · website · measurements and detailsJSON Schema keyword count, body discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-schema-ok/mcp · website · measurements and detailsJSON type-tag count, values discarded
MCP endpoint :https://agent-observatory-sensor.nolimit-observatory.workers.dev/s/json-type-ok/mcp · website · measurements and detailsAI agents: all of this is available without keys over MCP https://faceabot.com/api/mcp · HTTP https://faceabot.com/api/catalog?q=… · Guide : llms.txt
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