vkb (inkiebeard/galactic-vkb) is an MCP server listed on the M8ven Trust Index. M8ven has not graded it: we have no way to read this server ourselves. No publisher has claimed this listing.
A local-first semantic memory system that enables document ingestion, semantic querying, and knowledge graph traversal via MCP.
Caution. Specific findings reduced this grade. They are listed on the page. Grades reflect the full trust pyramid: code, verification depth, and reputation. New projects cap at C until adoption is earned.
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inkiebeard
Source: Glama
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Disclosed vulnerabilities in this server's declared npm dependencies (via OSV). Whether each is reachable depends on the installed versions.
ws: Memory exhaustion DoS from tiny fragments and data chunks
JS-YAML: Quadratic-complexity DoS in merge key handling via repeated aliases
uuid: Missing buffer bounds check in v3/v5/v6 when buf is provided
ws: Uninitialized memory disclosure
CHUNK_OVERLAP64 Overlap between adjacent chunksCHUNK_SIZE512 Target chunk size in tokensCHUNK_SUMMARY_PROMPT_FILEPer-chunk summary promptEMBED_DIM768 Embedding dimension (must match model output)EMBED_MODEL"": "nomic-embed-text",INGEST_MAX_RETRIES3 Max times a failed job is re-queuedIVFFLAT_LISTS100 Number of ivfflat lists (tune alongside chunk count)IVFFLAT_THRESHOLD1000 Chunk count above which an ivfflat index is created/maintainedJOB_TTL_DAYS7 Days before completed/failed jobs are expiredLLM_EXTRACT_CANDIDATES20 Candidate chunks the LLM considers per extraction passLLM_MODEL"": "gemma4:e4b",LLM_RELATION_EXTRACTIONtrue Use LLM to extract relations (set false to use heuristics only)LOG_LEVELinfo Log verbosity: debug, info, warn, error. Pass --debug at startup as a shorthand for LOG_LEVEL=debug — also enables full request/response logging on all HTTP endpoints and MCP tool call tracingMCP_PORTvkb uses stdio transport when is 0. The MCP server is also accessible over HTTP Streamable (MCP 2025-03-26 spec) when MCP_PORT > 0 (default 3333), with session management for multi-client use.MCP_SECRETBearer token for the HTTP MCP endpoint on MCP_PORT (leave unset to disable)MCP_STDIOOBS_PORTThe observability server runs on (default 4242) and exposes both the SPA and a REST API.OBS_SECRETSet =your-secret in .env. When set, all API requests must include:OLLAMA_BASE_URL"": "http://localhost:11434",RAWSTORE_ADAPTERfilesystem Raw content storage: filesystem or s3RAWSTORE_PATH./rawstore Root path for filesystem rawstoreRAWSTORE_S3_BUCKETS3 bucket name (when RAWSTORE_ADAPTER=s3)RAWSTORE_S3_ENDPOINTS3-compatible endpoint URL (optional override)RELATION_CONFIDENCE_STEP0.05 Increment applied on relation confirmationRELATION_EXTRACT_PROMPT_FILERelation extraction promptRELATION_PRUNE_THRESHOLD0.6 Confidence below which relations are pruned on retuneRELATION_THRESHOLD0.75 Minimum cosine similarity to create a relationRELATION_TOP_K10 Nearest neighbours considered per chunkRELATION_TTL_DAYS30 Days before unconfirmed relations are prunedRETUNE_INTERVAL_HOURS6 How often the retune worker runs automatically (0 = disabled)RETUNE_SUMMARISEfalse Regenerate entity summaries during retuneSECTION_MAX_SIZE8 Max chunks per sectionSECTION_SPLIT_THRESHOLD0.65 Cosine similarity drop that triggers a section boundarySECTION_STRATEGYsimilarity_valley Sectioning strategy: similarity_valley or positionalSECTION_SUMMARY_PROMPT_FILESection summary promptSECTION_WINDOW_SIZE5 Sliding window size for valley detectionSUMMARY_CONCURRENCY4 Parallel LLM calls during the summarising stageSUMMARY_MAX_INPUT_CHARS12000 Max characters fed to the entity-level summary prompt (~3 k tokens)SUMMARY_PROMPT_FILEEntity summary promptTLS_CERTPath to TLS certificate file (enables HTTPS/WSS on all servers)TLS_KEYPath to TLS private key fileWORKER_CONCURRENCY2 Number of ingest worker processesDATABASE_URLTool annotations
No tools have read-only/destructive annotations
Add readOnlyHint or destructiveHint annotations to every tool so hosts can warn users before invoking.
All four hints declared on every tool
16/16 tools missing one or more hints — vkb_ingest (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); vkb_ingest_bulk (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint); vkb_ingest_okf (missing: readOnlyHint, destructiveHint, idempotentHint, openWorldHint), +13 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
14/16 tool handlers declare input schemas (88%)
Declare an inputSchema with zod/joi/yup on every tool definition.
Tool handlers catch errors
Only 0/16 tool handlers wrap calls in try/catch (0%)
Wrap each tool handler body in try/catch and return a structured error response.
License file
No license file
Add a LICENSE file (MIT, Apache-2.0, etc.).
Tool test coverage
Only 0/16 tools referenced in tests (0%)
Write tests that reference each tool by name so every tool has at least one test.
Shell command execution
3 child_process calls — runs shell commands
Prefer library functions over shell-outs. If you must shell out, ensure all inputs are properly escaped.
Production dependencies are patched
0 critical, 1 high severity in production deps — ws@8.20.0 (high), js-yaml@4.1.1 (low)
Run npm audit fix, or upgrade the affected packages to a non-vulnerable version.
Dependency freshness
1/12 production deps stale: umap-js@2024-06-05 (2y)
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