io.github.GCTRL-TECH/gctrl
NPM · GCTRL-MCP · SCANNED SEP 20
Governed graph-native agent memory: knowledge extraction, fusion, hybrid RAG, scoped access tokens.
Available components
How this component scores in each security and reliability category. Every signal is checked automatically from public evidence about the published package, including repeated runs of it in an isolated sandbox, and we only credit what we can confirm. How we score → Why this is hard to score →
Supply Chain Security98
- No malware found by supply-chain analysis.Pass
- No known CVEs affecting this package version or its production dependencies.Pass
- No install/post-install scripts declared.Pass
- 32 of 100 dependencies flagged as unhealthy. View diagnostics → Partial
Provenance & Transparency48
- Source repository is publicly reachable at the declared URL. View diagnostics → Pass
- Provenance check failed: no build-provenance attestation is published. See how to fix → View diagnostics → Fail
- Clear OSI-approved license (AGPL-3.0-or-later).Pass
- Actively maintained (last published 25 days ago).Pass
- Publishes a security disclosure policy (SECURITY.md).Pass
Schema Quality & AI Usability77
- AI-judged instruction clarity (excellent).Pass
- Context-footprint check failed: tool/resource definitions use about 6480 tokens (~108/item across 60 items; 60 tools + 0 resources), over budget; trim descriptions and params. See how to fix → Fail
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management97
- Stability observed for 29 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage94
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 81% of tool parameters carry a description.Partial
Tool Safety75
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- 0 of 1 tool(s) whose name or description implies an irreversible operation declare an MCP destructiveHint annotation; "gctrl_fuse" implies "merge" and declares no destructiveHint at all, which the MCP spec reads as destructive by default. See how to fix → Fail
- An AI judge read all 61 captured unit(s) of tool text and found none that tries to manipulate the model reading it.Pass
Capabilities100
- Implements a supported MCP spec version (2025-11-25); the latest is 2026-07-28.Pass
How do I install the io.github.GCTRL-TECH/gctrl MCP server?
io.github.GCTRL-TECH/gctrl runs locally as an npm package, launched with npx -y gctrl-mcp. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
npm · gctrl-mcp
claude mcp add gctrl-tech-gctrl -- npx -y gctrl-mcp
{
"mcpServers": {
"gctrl-tech-gctrl": {
"command": "npx",
"args": [
"-y",
"gctrl-mcp"
]
}
}
} {
"servers": {
"gctrl-tech-gctrl": {
"command": "npx",
"args": [
"-y",
"gctrl-mcp"
]
}
}
} codex mcp add gctrl-tech-gctrl -- npx -y gctrl-mcp
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"gctrl-tech-gctrl": {
"type": "local",
"command": [
"npx",
"-y",
"gctrl-mcp"
],
"enabled": true
}
}
} openclaw mcp add gctrl-tech-gctrl --command npx --arg -y --arg gctrl-mcp
mcp_servers:
gctrl-tech-gctrl:
command: "npx"
args: ["-y", "gctrl-mcp"] {
"McpServers": {
"gctrl-tech-gctrl": {
"Transport": "stdio",
"Command": "npx",
"Arguments": [
"-y",
"gctrl-mcp"
]
}
}
} assistant mcp add gctrl-tech-gctrl -t stdio -c npx -a -y gctrl-mcp
{
"mcpServers": {
"gctrl-tech-gctrl": {
"command": "npx",
"args": [
"-y",
"gctrl-mcp"
]
}
}
} Every change we have recorded for this component, newest first. Security-relevant changes are always shown. ▲ marks a change for the better, ▼ a change for the worse; unmarked changes are neutral.
- 19 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 90 to 93. That category is still filling its 30-day observation window: 27 days of observed history at the previous scan, 28 at this one. The score rises as the window fills, whether or not the server changes.
- 17 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 83 to 87. That category is still filling its 30-day observation window: 25 days of observed history at the previous scan, 26 at this one. The score rises as the window fills, whether or not the server changes.
- 16 Sept 26 −3
- Stability: pass → 0.83 functional
- 15 Sept 26 +1
- Stability: 0.97 → pass security
- 13 Sept 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 90 to 93. That category is still filling its 30-day observation window: 27 days of observed history at the previous scan, 28 at this one. The score rises as the window fills, whether or not the server changes.
- 12 Sept 26 +1
- Security disclosure: unverified → pass ▲ functional
- 11 Sept 26 0
- Security disclosure: pass → unverified ▼ functional
- 9 Sept 26 −2
- Security disclosure: unverified → pass ▲ functional
- Stability: pass → 0.80 functional
Diagnostic detail from the automated scan of this channel: what the scanner observed at each step, so you can see exactly where a check passed or failed. It is informational only and never changes the trust score.
Captured 20 Sept 2026 · Analysed npm/gctrl-mcp@1.2.0
Provenance No attestation
The registry publishes no build provenance for this version, so there is nothing to verify.
| Result | No attestation |
|---|---|
| Ecosystem | npm |
Background: How many MCP packages publish verified provenance →
Dependencies 100 packages
| Packages resolved | 100 |
|---|---|
| Stale | 31 |
| No linked repository | 1 |
| Tree resolution | Complete |
Background: SBOMs and build attestations, explained →
The tools this component advertises to a client, with an estimated token cost for each. Expand a tool to see its parameters and schema. The per-tool counts are indicative and are not scored directly; the schema's total context footprint is one signal in Schema Quality & AI Usability. A tool's description is untrusted text the model reads on every call, which is what makes this list a security surface and not just an inventory: how tool poisoning works →
gctrl_query ~95
Ask a natural-language question — GCTRL blends ALL memory layers automatically (HOT dossiers > graph facts > warm chunks) and returns a grounded answer with sources + confidence. Prefer this for open questions; then persist any new conclusion with gctrl_store.
| Name | Type | Req | Description |
|---|---|---|---|
| compilationId | string | – | Optional: query a specific knowledge graph compilation. Omit to search all graphs. |
| question | string | yes | Natural language question about the knowledge graph |
No output schema declared.
No examples provided.
gctrl_run_maintenance ~34
Run one memory governance cycle now (decay → dedup → promote hot → evict stale). Owner-level.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
gctrl_schema ~36
Get the schema of the knowledge graph — available entity types, relationship types, and property keys. Useful for understanding what data is stored.
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
gctrl_search_chunks ~91
Retrieve source text passages (warm vector + keyword) for a question — the raw evidence layer. Limit is fixed at 5 passages. Use this to back up an answer with citations; prefer gctrl_query for a composed blended answer.
| Name | Type | Req | Description |
|---|---|---|---|
| compilationId | string | – | Optional: scope to a specific knowledge graph compilation |
| query | string | yes | The question or topic to retrieve source text passages for |
No output schema declared.
No examples provided.
gctrl_search_entities ~83
Search for specific entities in the knowledge graph by name or type. Returns matching entities with their properties and relationships.
| Name | Type | Req | Description |
|---|---|---|---|
| entityType | string | – | Filter by entity type label (e.g. "company", "person", "technology") |
| limit | number | – | Maximum results to return |
| query | string | yes | Search term (entity name or partial match) |
No output schema declared.
No examples provided.
gctrl_set_privacy_mode ~152
Raise a knowledge graph's privacy for cloud LLMs during setup: 'cloaked' (pseudonymize entities/PII before a cloud model sees them) or 'local_only' (never send it to a cloud model). Can only INCREASE privacy — loosening it back to 'open' needs the Settings UI. Never call this 'encryption'.
| Name | Type | Req | Description |
|---|---|---|---|
| compilationId | string | yes | The knowledge graph to make more private. |
| mode | string | yes | 'cloaked' = entities/PII are pseudonymized before any cloud model sees them (recommended when you are a cloud model); 'local_only' = this graph is never sent to a cloud model. |
No output schema declared.
No examples provided.
gctrl_shortest_path ~73
Find the shortest path between two entities (how is A connected to B / does X depend on Y). Clearance-aware: a path is only returned if every node on it is one you are cleared to see.
| Name | Type | Req | Description |
|---|---|---|---|
| from | string | yes | Start entity name |
| to | string | yes | End entity name |
No output schema declared.
No examples provided.
gctrl_store ~160
WRITE your conclusions back into GCTRL — call this after ANY substantive task so your memory compounds across sessions (this is the point of GCTRL). Extracts entities + builds graph from the text, like saving notes but structured. IMPORTANT: always pass a compilationId for your assigned knowledge base (find it via gctrl_list_graphs) so nothing is orphaned.
| Name | Type | Req | Description |
|---|---|---|---|
| compilationId | string | – | Target knowledge graph compilation ID. RECOMMENDED: always specify this to store into the correct agent graph. Use gctrl_list_graphs to find IDs. |
| ontologyId | string | – | Optional ontology to guide extraction |
| text | string | yes | Text content to store as knowledge |
| title | string | – | Optional title/label for this knowledge |
No output schema declared.
No examples provided.
gctrl_wiki_graph ~70
Get a WIKI compilation as a navigable graph: pages are nodes, [[wikilinks]] are edges. Clearance-filtered (pages above your clearance, and their links, are hidden). Useful for canvas/visual clients.
| Name | Type | Req | Description |
|---|---|---|---|
| compilationId | string | yes | The WIKI compilation ID |
No output schema declared.
No examples provided.
gctrl_wiki_page ~119
Read distilled wiki pages from a WIKI compilation. Pass a slug to fetch one full page (markdown body + citations); omit the slug to list all pages (optionally filtered by query).
| Name | Type | Req | Description |
|---|---|---|---|
| compilationId | string | yes | The WIKI compilation ID. |
| query | string | – | Optional: when no slug is given, filter the listed pages whose title contains this text. |
| slug | string | – | Slug of a specific page to fetch (e.g. "fabio-chiaramonte"). Omit to list all pages. |
No output schema declared.
No examples provided.
What is the io.github.GCTRL-TECH/gctrl MCP server?
io.github.GCTRL-TECH/gctrl is an MCP server listed in the public MCP registry as io.github.GCTRL-TECH/gctrl. Governed graph-native agent memory: knowledge extraction, fusion, hybrid RAG, scoped access tokens. This page covers its npm package (gctrl-mcp).
Is the io.github.GCTRL-TECH/gctrl MCP server safe to use?
io.github.GCTRL-TECH/gctrl scores 82 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 20 September 2026. It declares no install or post-install scripts. That is a record of what we were able to check automatically, not an endorsement. The category breakdown on this page shows every signal behind the number, including the ones we could not confirm.
What tools does the io.github.GCTRL-TECH/gctrl MCP server expose?
io.github.GCTRL-TECH/gctrl exposes 60 tools: gctrl_extract, borghive_extract, gctrl_query, borghive_query, gctrl_search_entities, and 55 more. Their descriptions and schemas cost roughly 5,901 tokens of context every time the server is loaded.
Is the io.github.GCTRL-TECH/gctrl MCP server still maintained?
io.github.GCTRL-TECH/gctrl is still listed as active in the MCP registry. We last reached this channel on 20 September 2026. Those dates come from our own scans of the registry and the channel itself, not from anything the publisher announced.
What licence is the io.github.GCTRL-TECH/gctrl MCP server under?
io.github.GCTRL-TECH/gctrl declares the AGPL-3.0-or-later licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.