mcpcost

io.github.apxlabs-ai/niro

Niro

Is the Niro MCP server down? No. It answered initialize and tools/list in the probe of 2026-10-31.

AI pentester for PRs — finds exploitable bugs and hands your developer agent the fix.

alive probed 2026-11-15 · unchanged since 2026-10-31

11tools
2.6ktokens in Claude Opus 5.5
1.3 %of Claude's 200k window
1.0×the median server
33 msto initialize
48 msto list tools
Bundle
https://github.com/apxlabs-ai/niro/releases/download/v0.1.61/niro.mcpb (MCPB, for a client that installs bundles; probed in a container with the network off)
Host
github.com
Reports itself as
niro 0.1.61
Capabilities
logging, tools
Instructions
281 characters
Of a 1M window
0.3 % of a 1M context window
Count
2.6k tokens in Claude Opus 5.5, exact, measured 2026-10-31. With the Claude Code prefix mcp__…__ on each tool name: 2.6k. The o200k_base estimate is 1.4k. Counted again when the tool definitions change. Method.
Repository
https://github.com/apxlabs-ai/niro
Website
https://apxlabs.ai/niro
Registry
active, updated 2026-07-16 · 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 tokenso200k estimateShare of this server
start_pentest65936926 %
draft_scope38721715 %
manage_finding29316411 %
start_triage2431369 %
list_test_cases2111188 %

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