Stemem Identity Runtime
NPM · STEMEM
Local-first agent persona runtime (MCP): cross-session personality that survives compaction.
Available components
Last scanned (23 hours ago)
Scores higher than 68% of npm servers
Category Memory and Knowledge
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 Security100
- 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
- No production dependencies, so there is no dependency health to assess. View diagnostics → Pass
Provenance & Transparency45
- 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 (MIT).Pass
- Actively maintained (last published 35 days ago).Pass
- Disclosure check failed: no security disclosure policy was found in the source repository. See how to fix → Fail
Schema Quality & AI Usability63
- AI-judged instruction clarity (good).Pass
- Tool/resource definitions use about 541 tokens (~60/item across 9 items; 9 tools + 0 resources), lean.Pass
- Usage-examples check failed: none of the tools include examples. See how to fix → Fail
Stability & Change Management100
- No destabilizing schema changes in the last 30 days.Pass
Tool Coverage87
- 89% of tools have a non-trivial description (not blank, and not just the tool's name).Partial
- 85% of tool parameters carry a description.Partial
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 9 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 9 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
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.
- 1 Nov 26 0
- Security disclosure: unverified → fail ▼ functional
- 31 Oct 26 0
- Security disclosure: fail → unverified ▼ functional
- 30 Oct 26 0
- Stability: 0.97 → pass security
- 29 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 93 to 97. That category is still filling its 30-day observation window: 28 days of observed history at the previous scan, 29 at this one. The score rises as the window fills, whether or not the server changes.
- 27 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 87 to 90. That category is still filling its 30-day observation window: 26 days of observed history at the previous scan, 27 at this one. The score rises as the window fills, whether or not the server changes.
- 25 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 80 to 83. That category is still filling its 30-day observation window: 24 days of observed history at the previous scan, 25 at this one. The score rises as the window fills, whether or not the server changes.
- 22 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 70 to 73. That category is still filling its 30-day observation window: 21 days of observed history at the previous scan, 22 at this one. The score rises as the window fills, whether or not the server changes.
- 20 Oct 26 +1
No change was recorded against any check on this day. Stability & Change Management went from 63 to 67. That category is still filling its 30-day observation window: 19 days of observed history at the previous scan, 20 at this one. The score rises as the window fills, whether or not the server changes.
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 4 Nov 2026 · Analysed npm/stemem@0.1.0
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 0 packages
| Packages resolved | 0 |
|---|---|
| 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 →
autostep ~49
自主行为推进：按驱力自己决定并做想做的事（玩家不干预也活）。
| Name | Type | Req | Description |
|---|---|---|---|
| seconds | number | – | 推进秒数，默认 3600 |
No output schema declared.
No examples provided.
event ~135
喂入一个记忆事件，驱动人格/情绪演化。当本轮交互人格相关时调用。返回演化后 snapshot + voiceHint/logicHint。
| Name | Type | Req | Description |
|---|---|---|---|
| drive_deltas | object | – | 驱力增量 JSON，如 {"belonging":0.2} |
| importance | string | – | 事件重要性；high 触发反刍、延长相关情绪衰减（对应'记一会儿'） |
| tags | array | – | 情绪/驱力标签，如 betrayal,conflict,joy |
| text | string | – | 事件文本 |
No output schema declared.
No examples provided.
generate_soul ~53
导出 SoulSpec v0.4 包（soul.json + SOUL.md + IDENTITY.md），进 ClawSouls 分发。
| Name | Type | Req | Description |
|---|---|---|---|
| target_dir | string | – | 输出目录，默认当前目录 |
No output schema declared.
No examples provided.
init ~70
初始化一个人格态（首次装配人格时调用一次）。可传 OCEAN 预设；不传则随机 baseline。
| Name | Type | Req | Description |
|---|---|---|---|
| ocean | object | – | OCEAN 五维预设 {openness,conscientiousness,extraversion,agreeableness,neuroticism} |
No output schema declared.
No examples provided.
intervene ~72
人工干预：顺驱力（帮他做想做的）或逆驱力（对抗意愿去塑造他）。
| Name | Type | Req | Description |
|---|---|---|---|
| amount | number | – | 干预量，默认 0.4 |
| drive | string | – | – |
| text | string | – | 干预描述 |
No output schema declared.
No examples provided.
satisfy ~43
满足某驱力（闭环）。
| Name | Type | Req | Description |
|---|---|---|---|
| amount | number | – | 满足量 0–1，默认 0.3 |
| drive | string | – | – |
No output schema declared.
No examples provided.
snapshot ~51
读取紧凑身份态（OCEAN+主导情绪+驱力）+ 可注入 prompt 片段。每轮重注入宿主 prompt 抗压缩失忆。
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
status ~17
完整状态检视（调试用）。
Input schema present but exposes no named parameters.
No output schema declared.
No examples provided.
tick ~51
时间流逝心跳：驱力自然紧迫 + 漂移衰减。空闲/心跳时调用。
| Name | Type | Req | Description |
|---|---|---|---|
| seconds | number | – | 推进秒数，默认 3600 |
No output schema declared.
No examples provided.
How do I install the Stemem Identity Runtime MCP server?
Stemem Identity Runtime runs locally as an npm package, launched with npx -y stemem. Ready-made configuration for Claude, Cursor, VS Code, Codex and 5 more is on this page, copied from each client's own documentation.
npm · stemem
claude mcp add jojo-adam-stemem -- npx -y stemem
What is the Stemem Identity Runtime MCP server?
Stemem Identity Runtime is an MCP server listed in the public MCP registry as io.github.JOJO-Adam/stemem. Local-first agent persona runtime (MCP): cross-session personality that survives compaction. This page covers its npm package (stemem).
Is the Stemem Identity Runtime MCP server safe to use?
Stemem Identity Runtime scores 81 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 4 November 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 Stemem Identity Runtime MCP server expose?
Stemem Identity Runtime exposes 9 tools: init, event, tick, satisfy, snapshot, and 4 more. Their descriptions and schemas cost roughly 541 tokens of context every time the server is loaded.
Is the Stemem Identity Runtime MCP server still maintained?
Stemem Identity Runtime is still listed as active in the MCP registry. We last reached this channel on 4 November 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 Stemem Identity Runtime MCP server under?
Stemem Identity Runtime declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.