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Head to head

GrayMatter vs Vector Knowledge Graph

Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.

GrayMatterio.github.angelnicolasc/graymatter
B
No reviews yet

Persistent agent memory as a single Go binary: knowledge graph, TUI observability, zero infra.

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Vector Knowledge Graphio.github.CSOAI-ORG/vector-knowledge-graph-mcp
C
No reviews yet

AI-powered vector knowledge graph MCP server for agents. Supports add node, add edge, semantic node

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The short version

Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. Both score close on the safety scan (70 and 65 out of 100). GrayMatter has noticeably more public adoption.

 GrayMatterVector Knowledge Graph
User ratingNo reviews yetNo reviews yet
Safety gradeB70/100C65/100
AdoptionGrowing—
GitHub stars471–
Downloads / week––
Runs whereYour machine (local)Your machine (local)
Gateway-readyNoNo
Tools—5
Write actions—1
Price per callFreeFree
LicenceMIT—
Last release2026-09-20—
CategoryAI and agentsAI and agents

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