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Off by default to avoid consuming premium requests (e.g. GitHub Copilot).","format":"boolean","default":"false","name":"OPENGROK_ENABLE_SAMPLING"},{"description":"Model preference for MCP Sampling (used for error explanation and query reformulation).","format":"string","name":"OPENGROK_SAMPLING_MODEL"},{"description":"Files API Cache — avoids re-uploading unchanged investigation notes. Requires Files API support in the MCP client.","format":"boolean","default":"false","name":"OPENGROK_ENABLE_FILES_API"},{"description":"Observation Masker — prepend compact history summaries to opengrok_execute results after N turns. Disabled by default; has no benefit for clients that retain full context (Claude Code, Cursor).","format":"boolean","default":"false","name":"OPENGROK_ENABLE_OBSERVATION_MASKER"},{"description":"Number of most-recent opengrok_execute results to keep as full text before masking older ones. Default: 10.","format":"string","default":"10","name":"OPENGROK_OBSERVATION_MASKER_TURNS"},{"description":"Maximum tokens for AI sampling responses (error explanation, query reformulation). Range: 64–4096.","format":"string","default":"256","name":"OPENGROK_SAMPLING_MAX_TOKENS"},{"description":"Path to write structured audit events (CSV/JSON). Appends tool invocations, elicitation events, and errors. Leave unset to disable.","format":"string","name":"OPENGROK_AUDIT_LOG_FILE"},{"description":"Maximum requests per minute to the OpenGrok server. Default: 60.","format":"string","default":"60","name":"OPENGROK_RATELIMIT_RPM"},{"description":"Per-tool rate limits in requests per minute, as comma-separated tool:rpm pairs (e.g. opengrok_execute:15,opengrok_search_code:30). Overrides OPENGROK_RATELIMIT_RPM for specific tools.","format":"string","name":"OPENGROK_PER_TOOL_RATELIMIT"},{"description":"HTTP request timeout in seconds for OpenGrok API calls. Increase for slow servers. Default: 30.","format":"string","default":"30","name":"OPENGROK_TIMEOUT"},{"description":"Default maximum number of results returned per search query. Default: 25.","format":"string","default":"25","name":"OPENGROK_DEFAULT_MAX_RESULTS"},{"description":"Path to a file containing the OpenGrok password (file-mounted secret for containers). Takes precedence over the OS keychain when OPENGROK_PASSWORD is unset.","format":"string","name":"OPENGROK_PASSWORD_FILE"},{"description":"Hard cap on response payload size in bytes. Overrides the context-budget default. Non-positive values are ignored.","format":"string","name":"OPENGROK_MAX_RESPONSE_BYTES"},{"description":"Cap for the search_and_read compound tool in bytes. Overrides the context-budget default (2–8 KB depending on tier). Non-positive values are ignored.","format":"string","name":"OPENGROK_SEARCH_AND_READ_CAP"},{"description":"When true, reject OPENGROK_BASE_URL values pointing at private/loopback IPs at startup. Default: false (warn only; per-request guards still apply).","format":"boolean","default":"false","name":"OPENGROK_STRICT_SSRF"},{"description":"Expected JWT issuer (iss claim) for HTTP transport OAuth. When set, JWTs from other issuers are rejected.","format":"string","name":"OPENGROK_JWT_ISSUER"},{"description":"Directory containing tree-sitter WASM grammars. Overrides the bundled grammar lookup.","format":"string","name":"OPENGROK_GRAMMAR_DIR"}]}]},"_meta":{"io.modelcontextprotocol.registry/official":{"status":"active","statusChangedAt":"2026-09-16T07:02:40.419221Z","publishedAt":"2026-09-16T07:02:40.419221Z","updatedAt":"2026-09-16T07:02:40.419221Z","isLatest":true}}}],"metadata":{"count":14}}