Provides tools for listing and retrieving content from different knowledge bases using semantic search capabilities.
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Source: modelscope
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
LangChain serialization injection vulnerability enables secret extraction
@modelcontextprotocol/sdk has cross-client data leak via shared server/transport instance reuse
Anthropic's MCP TypeScript SDK has a ReDoS vulnerability
Model Context Protocol (MCP) TypeScript SDK does not enable DNS rebinding protection by default
axios Vulnerable to Full Man-in-the-Middle via Prototype Pollution Gadget in `config.proxy`
ASK_KNOWLEDGE_DESCRIPTION"Answer from engineering runbooks with citations."BENCH_BATCH_CONCURRENCIESBENCH_BUILD_ROOTBENCH_CLI_SEARCH_REPETITIONSBENCH_FAISS_INDEX_PATHBENCH_FIXTURE_CHUNKS_PER_FILEBENCH_FIXTURE_CHUNK_CHARSBENCH_FIXTURE_FILESBENCH_INCLUDE_BATCH_QUERYBENCH_INCLUDE_CLI_SEARCHBENCH_INCLUDE_INDEX_STORAGEBENCH_KNOWLEDGE_BASES_ROOT_DIRBENCH_MODEL_IDBENCH_MODEL_NAMEBENCH_PROVIDERBENCH_PUSHDOWN_KBENCH_PUSHDOWN_NTOTALBENCH_PUSHDOWN_REPETITIONSBENCH_PUSHDOWN_SELECTIVITYBENCH_QUERIESBENCH_RESULTS_DIRBENCH_RESULTS_PREFIXBENCH_STUB_EMBED_MS_PER_INPUTBENCH_WORKSPACE_ROOTEMBEDDING_PROVIDERSet =ollama to use local Ollama embeddingsEXTRACTION_TEXT_CACHE_DIRFAISS_INDEX_PATHThe wrapper prints the active KNOWLEDGE_BASES_ROOT_DIR, ,FRONTMATTER_EXTRAS_WIRE_VISIBLEHF_HOMEHUGGINGFACE_API_KEYyour_api_key_hereHUGGINGFACE_ENDPOINT_URLto the full POST URL; explicit endpoint URLsHUGGINGFACE_MODEL_NAMEBAAI/bge-small-en-v1.5HUGGINGFACE_PROVIDERhf-inference # Optional, router provider for serverless inferenceINDEXING_BATCH_SIZEINGEST_EXCLUDE_PATHS"drafts/,scratch.md"INGEST_EXTRA_EXTENSIONS".json,.yaml"KB_ACTIVE_MODELKB_AGE_BUDGET_HOURSKB_AGE_BUDGET_HOURS_ALPHAKB_AGE_BUDGET_HOURS_BETAKB_ASK_REDACT_OUTBOUNDKB_BUILD_COMMITKB_CHUNK_OVERLAPparam-int==0:128:32 \KB_CHUNK_SIZEparam-int==256:1024:128 \KB_CONTEXTUAL_RETRIEVALKB_DAEMON_URLKB_DENSE_DEGRADE_ON_PROVIDER_ERRORKB_FLAT_SEARCH_P95_ADVISORY_MSKB_FS_CONCURRENCYKB_FS_WATCHKB_GATE_LLM_ENDPOINTKB_GATE_LLM_MODELKB_GATE_LLM_TIMEOUT_MSKB_HNSW_EF_CONSTRUCTIONKB_HNSW_EF_SEARCHKB_HNSW_MKB_HNSW_RANDOM_SEEDKB_INDEXING_BENCH_BATCHESKB_INDEXING_BENCH_BATCH_SIZEKB_INDEXING_BENCH_EMBED_MSKB_INDEXING_BENCH_INSERT_MSKB_INDEXING_CONCURRENCYKB_INDEX_TYPEKB_INDEX_VERSION_RETENTIONKB_INGEST_ENABLEDKB_INGEST_SECRET_SCANKB_INJECTION_GUARD_WRAP_CLOSEKB_INJECTION_GUARD_WRAP_OPENKB_LARGE_FILE_POLICYKB_LLM_CONFIG_DIRKB_LLM_ENDPOINTKB_LLM_FAKEKB_LLM_MODELKB_LLM_PROVIDERKB_LLM_STATE_DIRKB_LOG_FORMATor LOG_FILE. See [docs/mcp-logging.md](docs/mcp-logging.md)KB_LOG_VERBOSEKB_MAX_EXTRACTED_TEXT_BYTESKB_MAX_FILE_BYTESKB_MAX_FILTER_ITEMSKB_MAX_GLOB_CHARSKB_MAX_GLOB_WILDCARDSKB_MAX_QUERY_CHARSKB_MIN_FREE_DISK_BYTESKB_MUTATION_AUDIT_LOGKB_OPENROUTER_API_KEYKB_REFRESH_QUIESCE_MSKB_RELEVANCE_GATEKB_RERANKEnable the cross-encoder reranking stage. offKB_RERANK_MODELCross-encoder model id used for reranking. (built-in default)KB_RERANK_TOP_NHow many top candidates to feed into the reranker. (built-in default)KB_RUN_E2EKB_SECRET_SCAN_BYPASS_KBSKB_SLOW_QUERY_MSKB_STATS_DESCRIPTION"Report engineering KB index and transport health."KNOWLEDGE_BASES_ROOT_DIR$HOME/knowledge_basesKOOKR_BINLAZY_IMPORTS_TRACE_FILELIST_KNOWLEDGE_BASES_DESCRIPTION"List available engineering knowledge bases."LIST_MODELS_DESCRIPTION"List embedding models registered for engineering retrieval."LOG_FILELogging can be routed to a file by setting =/path/to/logs/knowledge-base.log. Log verbosity defaults to info and can be adjusted with LOG_LEVEL=debuginfowarnerror.MCP_BIND_ADDRexport =127.0.0.1 # default — loopback onlyMCP_PORTexport =8765 # defaultMCP_TRANSPORTexport =http # stdio (default), sse, or httpOLLAMA_BASE_URLOLLAMA_MODELdengcao/Qwen3-Embedding-0.6B:Q8_0 # Default embedding modelOLLAMA_NUM_PARALLELOPENAI_API_KEY"message": " environment variable is required when using OpenAI provider"OPENAI_MODEL_NAMEtext-embedding-3-smallOPENROUTER_API_KEYREINDEX_TRIGGER_PATHREINDEX_TRIGGER_POLL_MSRETRIEVE_KNOWLEDGE_DESCRIPTION"Search engineering runbooks, RFCs, and postmortems."TRANSFORMERS_CACHERAGQA_REFRESH_FIRSTTool annotations
3/11 tools have annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
11/11 tools missing one or more hints — list_knowledge_bases (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); retrieve_knowledge (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); ask_knowledge (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +8 more. OpenAI's directory rejects tools where any of the four hints are missing or non-boolean.
For every tool, set all four hints (readOnlyHint, destructiveHint, idempotentHint, openWorldHint) to explicit true/false values that match the handler’s actual behaviour.
Tool inputs are validated
Only 0/2 tool handlers declare input schemas (0%)
Declare an inputSchema with zod/joi/yup on every tool definition.
No hardcoded API keys
3 live-looking API keys in source: 1 GitHub PAT (classic), 1 AWS access key, 1 Google API key
Move secrets to environment variables (process.env.X) or your secret manager.
Shell command execution
5 child_process/subprocess calls in production code — runs shell commands (benchmarks/utils.ts:27, src/build-info.ts:43, src/cli-bug-report.ts:286)
Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.
Production dependencies are patched
0 critical, 16 high severity in production deps — @langchain/core@0.3.62 (high), @modelcontextprotocol/sdk@1.17.2 (high)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Dependency freshness
4/21 production deps abandoned (no release in 2+ years): proper-lockfile@2022-06-24 (4.1y), faiss-node@2023-10-15 (2.8y), pickleparser@2023-10-15 (2.8y)
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