io.github.MukundaKatta/streamparse

streamparse

Is the io.github.MukundaKatta/streamparse MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-30.

Parse partial / truncated / messy JSON for LLM tool calls and structured outputs.

alive probed 2026-11-15 · unchanged since 2026-10-30

3tools

555tokens in Claude Opus 5.5

0.3 %of Claude's 200k window

0.2×the median server

274 msto initialize

4 msto list tools

Run it: npx -y @mukundakatta/streamparse-mcp@1.0.1 (stdio, probed in a container with the network off)
Host: npmjs.com
Reports itself as: streamparse 1.0.0
Capabilities: tools
Instructions: none
Of a 1M window: <0.1 % of a 1M context window
Count: 555 tokens in Claude Opus 5.5, exact, measured 2026-10-16. With the Claude Code prefix mcp__…__ on each tool name: 582. The o200k_base estimate is 311. Counted again when the tool definitions change. Method.
Repository: https://github.com/MukundaKatta/streamparse-mcp
Website: https://github.com/MukundaKatta/streamparse-mcp
Registry: active, updated 2026-04-25 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.78×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
parse_partial_json	253	142	46 %
extract_json_from_text	170	95	31 %
validate_json	132	74	24 %

Other registry entries on npmjs.com, the ones next to this name; all of them.

Servers that mention structured or truncated.

The result of the latest probe, the tool count and the token cost. The feed has an entry for every probe that changed them.

Stops answering, comes back, tool set or cost changes. One confirmation mail first, a stop link in every mail.