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Evals
io.github.cyanheadsClaim this server
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Add this server
The publisher's own command. Not a PlugMCP endpoint.
Host a copy with our keys and logs.
Local command
npx -y @cyanheads/[email protected]Credentials from the publisher
- EVALS_DATA_DIR — Root folder for record JSON. The store manages drafts/, submitted/, and exports/ subdirs under it.
- EVALS_REQUIRE_CONFIRMATION — When 'true', evals_submit_draft requests human confirmation before finalizing.
- EVALS_DEFAULT_LICENSE — Default metadata.license applied when a draft omits one.
- EVALS_CAPTURE_DIR — Directory of framework-written tool-call captures; when set, captures EvalsIDs resolve to full dumps.
- MCP_LOG_LEVEL — Sets the minimum log level for output (e.g., 'debug', 'info', 'warn').
Claude Code has no install link for a local command. Copy the command below and run it in a terminal.
shClaude Code
EVALS_DATA_DIR=<value> EVALS_REQUIRE_CONFIRMATION=<value> EVALS_DEFAULT_LICENSE=<value> EVALS_CAPTURE_DIR=<value> MCP_LOG_LEVEL=<value> claude mcp add io.github.cyanheads-evals-mcp-server -- npx -y @cyanheads/evals-mcp-server@0.1.6Run in a terminal.
jsonClaude Desktop
{ "mcpServers": { "io.github.cyanheads-evals-mcp-server": { "command": "npx", "args": [ "-y", "@cyanheads/[email protected]" ], "env": { "EVALS_DATA_DIR": "<value>", "EVALS_REQUIRE_CONFIRMATION": "<value>", "EVALS_DEFAULT_LICENSE": "<value>", "EVALS_CAPTURE_DIR": "<value>", "MCP_LOG_LEVEL": "<value>" } } }}claude_desktop_config.json
Local · npmPublisher installStep-by-step: add this in Claude
Remote URL or a command on your machine? How the two installs differ
Run on PlugMCP
Host a copy with our keys and logs.
A new server you create. It is not this listing's official endpoint. Use the publisher install when you want their URL and their credentials.
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