io.github.darwin-studios/owned-research-mcp

Darwin-owned Public Sources

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

Free bounded public HTTPS document and JSON reads. Exact host allowlist; real source provenance.

alive probed 2026-11-15 · unchanged since 2026-10-31 · HTTP 200

2tools

493tokens in Claude Opus 5.5

0.2 %of Claude's 200k window

0.2×the median server

117 msto initialize

59 msto list tools

Endpoint: https://creora.darwin.so/providers/research/mcp (streamable-http)
Host: creora.darwin.so
Protocol: 2025-11-25
Reports itself as: darwin-owned-research-mcp 0.1.1
Capabilities: tools
Instructions: 296 characters
Of a 1M window: <0.1 % of a 1M context window
Count: 493 tokens in Claude Opus 5.5, exact, measured 2026-10-31. With the Claude Code prefix mcp__…__ on each tool name: 519. The o200k_base estimate is 263. Counted again when the tool definitions change. Method.
Website: https://creora.darwin.so/providers/research/healthz
Registry: active, updated 2026-10-31 · registry entry

Most expensive tools

The Claude column scales the o200k estimate of each tool by this server's ratio of exact to estimate, 1.87×.

Tool	≈ Claude tokens	o200k estimate	Share of this server
read_official_document	255	136	52 %
read_official_json	238	127	48 %

Other registry entries on creora.darwin.so.

Servers that mention research.

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.

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