Kg MCP Server
kg gives your AI assistant persistent, structured, editable project memory stored locally as a knowledge graph.
People who need memory tools inside Claude, Cursor, VS Code, or another MCP client. The project is written in Rust.
VERIFIED ACTIVE
LAST COMMIT 2026-08-05 · ★ 9 · #289 OF 304 MAINTAINED MEMORY · VERIFIED 2026-09-18
Apache-2.0 · Rust servers · how we verify → /methodology
01 · Evidence
Security posture
What to check before giving this server access to your agent - from the registry, GitHub, and our own probes. We don't score safety; we show what's verifiable.
license Apache-2.0 - declared in the repository
registry namespace io.github.nnar1o is GitHub-verified and matches the repo owner
02 · What Kg can do
Prose above is summarized from the project's README and registry record - no invented capabilities.
Latest releases
v0.3.0 · 2026-08-05
Release v0.3.0
v0.2.24 · 2026-08-02
Release v0.2.24
v0.2.23 · 2026-07-24
Release v0.2.23
03 · Who maintains Kg
kg is maintained by nnar1o. It's the only MCP server we track from this author; the repo dates to Mar 2026.
04 · Facts
- repository
- github.com/nnar1o/kg
- category
- memory - ranked #289 of 304 actively-maintained memory servers as of 2026-09-18.
- release cadence
- 5 releases in the last 90 days (latest 2026-08-05)
- registry
- io.github.nnar1o/kg-mcp (active, first published 2026-04-11 · 12 versions)
05 · Kg FAQ
What is Kg?
kg gives your AI assistant persistent, structured, editable project memory stored locally as a knowledge graph.
Is Kg still maintained?
Yes - as of 2026-09-18, its last commit was 2026-08-05 and it shipped 5 releases in the last 90 days. We re-verify nightly.
06 · Alternatives to Kg
Alternatives to Kg
Maintained memory servers if Kg isn't the fit.
- Codebase Memory Codebase knowledge graph for AI agents - 162 languages, sub-ms queries, 99% fewer tokens. ★ 43,715 · 2026-09-18
- Superlog Open-source agent that observes and fixes your application. Query logs, traces, metrics, incidents. ★ 1,449 · 2026-09-17
- Tradememory Protocol Tamper-evident decision audit trail and outcome-weighted memory for AI trading agents. ★ 1,419 · 2026-09-14
- Persome Local-first personal memory and model server for trusted MCP agents on macOS. ★ 1,322 · 2026-08-21
- Neo4j Memory MCP Neo4j Knowledge Graph Memory Server ★ 984 · 2026-09-09
- Projectmem Coding agent memory - one local MCP server for every project. Warns before repeating failed fixes. ★ 826 · 2026-09-15
Pairs well with
Servers that cover what Kg doesn't - only shown when the pairing reason fits the companion.
More memory MCP servers · Nodedex · Genome · Server Json · Claude Memory Manager · Crbro Memory
More Rust MCP servers · Regex LE · Ghost · Dynoxide · THOR · Forge Orchestrator · see all