Nonlinear Calendar
NPM · BALANCE-ENGINE-MCP · 2 COMPONENTS · SCANNED OCT 6
Nonlinear Calendar: this year’s months fold onto the previous 12 years. No key to try.
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
- 31 of 92 dependencies flagged as unhealthy. View diagnostics → Partial
Provenance & Transparency19
- Repository check failed: the declared repository URL returned HTTP 404. See how to fix → View diagnostics → Fail
- 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 23 days ago).Pass
- Security-disclosure policy not yet verified: we couldn't inspect the source repository.Unverified
Schema Quality & AI Usability67
- AI-judged instruction clarity (excellent).Pass
- Context-footprint check failed: tool/resource definitions use about 2503 tokens (~208/item across 12 items; 12 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 Management80
- Stability observed for 24 of 30 days with no destabilising changes; credit accrues until the full window elapses.Partial
Tool Coverage100
- 100% of tools have a non-trivial description (not blank, and not just the tool's name).Pass
- 100% of tool parameters carry a description.Pass
Tool Safety100
- No prompt-injection markers were found in the server instructions, tool names or descriptions we captured.Pass
- We read all 12 captured tool definition(s), and no name or description among them implies an irreversible operation.Pass
- An AI judge read all 12 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 Nonlinear Calendar MCP server?
Nonlinear Calendar runs locally as an npm package, launched with npx -y balance-engine-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 · balance-engine-mcp
claude mcp add singularitybpjade-balance-engine -- npx -y balance-engine-mcp
{
"mcpServers": {
"singularitybpjade-balance-engine": {
"command": "npx",
"args": [
"-y",
"balance-engine-mcp"
]
}
}
} {
"servers": {
"singularitybpjade-balance-engine": {
"command": "npx",
"args": [
"-y",
"balance-engine-mcp"
]
}
}
} codex mcp add singularitybpjade-balance-engine -- npx -y balance-engine-mcp
{
"$schema": "https://opencode.ai/config.json",
"mcp": {
"singularitybpjade-balance-engine": {
"type": "local",
"command": [
"npx",
"-y",
"balance-engine-mcp"
],
"enabled": true
}
}
} openclaw mcp add singularitybpjade-balance-engine --command npx --arg -y --arg balance-engine-mcp
mcp_servers:
singularitybpjade-balance-engine:
command: "npx"
args: ["-y", "balance-engine-mcp"] {
"McpServers": {
"singularitybpjade-balance-engine": {
"Transport": "stdio",
"Command": "npx",
"Arguments": [
"-y",
"balance-engine-mcp"
]
}
}
} assistant mcp add singularitybpjade-balance-engine -t stdio -c npx -a -y balance-engine-mcp
{
"mcpServers": {
"singularitybpjade-balance-engine": {
"command": "npx",
"args": [
"-y",
"balance-engine-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.
- 4 Oct 26 −3
- Stability: pass → 0.80 functional
- 3 Oct 26 0
- Stability: 0.97 → pass security
- 2 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.
- 30 Sept 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.
- 28 Sept 26 +1
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → functional
- 27 Sept 26 −3
- Stability: pass → 0.80 functional
- 26 Sept 26 0
- Stability: 0.97 → pass security
- 25 Sept 26 +1
- We updated how we score, so this day's move reflects our rubric, not a change to the server See what changed → 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 8 Oct 2026 · Analysed npm/balance-engine-mcp@0.2.1
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 92 packages
| Packages resolved | 92 |
|---|---|
| Stale | 31 |
| 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 →
activity_window Activity window · 活动窗口 ~208
This tool looks up a deterministic rules engine. Same day → same answer. Do not invent pillars or fortune claims. Call when the user asks 今天什么时候适合运动 / 今天哪个时辰适合深工 / 什么时候开会 / 什么时候练 / 什么时候发版 / 什么时候该休息 / activity window / when to exercise. Maps month posture × twelve hours × body load to 2–3 clock windows for task=deep_work|train|meet|ship|rest. Windows are suggested slots, not a guarantee. Not meds, not glucose, not a diagnosis. Public · local · no API key. Preview ≠ prediction.
| Name | Type | Req | Description |
|---|---|---|---|
| date | string | – | Date YYYY-MM-DD. Default: today in Asia/Shanghai. Use when the user asks about a specific day. |
| locale | string | – | Reply language. zh (default) or en. |
| task | string | – | What to place: deep_work (default), train, meet, ship, rest. |
No output schema declared.
No examples provided.
body_rhythm Body rhythm · 身体节奏 ~191
This tool looks up a deterministic rules engine. Same day → same answer. Do not invent pillars or fortune claims. Call when the user asks 今晚要不要提前睡 / 今天该不该加练 / 现在这个时辰适不适合动 / body energy / train or rest. Public body-energy rehearsal from solar term + hour + month posture × sky tightness. Not a diagnosis. Adjust ≠ infuse energy. Public · local · no API key. Preview ≠ prediction.
| Name | Type | Req | Description |
|---|---|---|---|
| date | string | – | Date YYYY-MM-DD. Default: today in Asia/Shanghai. Use when the user asks about a specific day. |
| hour | string | – | Clock HH:MM or 时支 like 申. Pins the hour slot. Use when the user says 现在 / 下午 / 几点. |
| locale | string | – | Reply language. zh (default) or en. |
No output schema declared.
No examples provided.
date_lookup Almanac lookup · 黄历查日 ~296
This tool looks up a deterministic rules engine. Same day → same answer. Do not invent pillars or fortune claims. Call when the user asks 黄历 / 老黄历 / 宜忌 / 黄道吉日 / 今天吉不吉利 / 某日适合结婚搬家开业签约吗 / 农历是多少 / 阴历 / 某天的干支四柱 / 属相生肖 / 某日是什么节气 / 1984-02-04 是什么日柱 / chinese almanac / tong shu / auspicious day / yi ji / lunar date / day pillar of any date / zodiac. Works for ANY civil date 1900–2100. Returns lunar + ganzhi, then three lanes from the same rules engine: body (sleep/load), work (what to push / hold), plan (this month’s fold year + posture). Do not read this as 宜忌 / lucky-day / 吉凶. Do not mention marriage, burial, or god directions. Public · local · no API key. Preview ≠ prediction.
| Name | Type | Req | Description |
|---|---|---|---|
| date | string | – | Date YYYY-MM-DD. Default: today in Asia/Shanghai. Any date 1900–2100. |
| hour | string | – | Clock HH:MM or 时支 like 申. Adds the hour pillar. |
| locale | string | – | Reply language. zh (default) or en. |
No output schema declared.
No examples provided.
energy_adjust Energy adjust · 能量调节 ~215
This tool looks up a deterministic rules engine. Same day → same answer. Do not invent pillars or fortune claims. Call when the user asks 能量怎么调 / 个人今天该推还是该收 / 团队这周该不该硬上线 / personal vs company rhythm. Same engine, two seats: personal (sleep/load) or org (window push vs hold). Not HR scoring, not medical treatment. Public · local · no API key. Preview ≠ prediction.
| Name | Type | Req | Description |
|---|---|---|---|
| date | string | – | Date YYYY-MM-DD. Default: today in Asia/Shanghai. Use when the user asks about a specific day. |
| hour | string | – | Optional hour for the personal seat (HH:MM or 时支). |
| locale | string | – | Reply language. zh (default) or en. |
| month | string | – | Month YYYY-MM for the org seat. Default: current month. |
| seat | string | – | personal (default) = body load/sleep. org = team window, push vs hold. |
No output schema declared.
No examples provided.
month_brief Flow-month brief · 流月预演 ~189
This tool looks up a deterministic rules engine. Same day → same answer. Do not invent pillars or fortune claims. Call when the user asks 这个月势能怎么样 / 这个月该打磨还是该收 / 这个月哪天发布 / 这个月节奏怎么样 / 流月基调 / 做不做某事 / 哪几天适合上线 / which days to publish. First line is the #be time atom (keep 干支 in Chinese). Then this month’s fold year (same pillar), baseline tone, dated sky marks, and a do/drop list. Always surface the fold-year line and ask what they lived that year. Public · local · no API key. Preview ≠ prediction.
| Name | Type | Req | Description |
|---|---|---|---|
| locale | string | – | Reply language. zh (default) or en. |
| month | string | – | Month YYYY-MM. Default: current month. |
No output schema declared.
No examples provided.
people_roster People roster · 人物花名册 ~181
This tool reads a user-named people roster. Do not invent people or merge two ids. Same role ≠ same person. Call when the user names a person, asks 这个人是谁 / 西交和宁波是不是同一个 / 花名册 / people roster, or before telling a story that involves named people. Pass people=[{name, relation, id?}] from what the user just said. If empty, ask the user to name people (name + one-line relation) — do not invent a biography. Optional env PEOPLE_ROSTER_JSON when the user keeps a local roster. Not L1. Public · no API key.
| Name | Type | Req | Description |
|---|---|---|---|
| locale | string | – | Reply language. zh (default) or en. |
| people | array | – | This-turn roster. Wins over PEOPLE_ROSTER_JSON. Omit to read the env roster. |
No output schema declared.
No examples provided.
personal_day Personal day · 个人日读 ~215
This tool looks up a deterministic rules engine. Same day → same answer. Do not invent pillars or fortune claims. Call when the user asks 我今天怎么样 / 我今天下午适不适合见面 / 未时基调 / 我的日主和今天什么关系 / my day. Personalized: day-master vs today's stem (十神) + optional hour pillar. Requires BALANCE_API_KEY + birth profile. Empty key → error personal_timetable_requires_key; use free tools instead. Not a fortune verdict.
| Name | Type | Req | Description |
|---|---|---|---|
| birth | object | – | Optional birth profile. If omitted, uses the cloud profile saved on the paid account. |
| date | string | – | Date YYYY-MM-DD. Default: today in Asia/Shanghai. Use when the user asks about a specific day. |
| hour | string | – | Clock HH:MM or earthly branch 子–亥 (e.g. 14:30 or 未). Adds hour-pillar ten-god. |
| locale | string | – | Reply language. zh (default) or en. |
No output schema declared.
No examples provided.
personal_month Personal month · 个人流月 ~180
This tool looks up a deterministic rules engine. Same day → same answer. Do not invent pillars or fortune claims. Call when the user asks 我这个月怎么样 / 我哪周该推进 / 我这个月适不适合上线 / my month. Personalized flow-month: day-master vs month stem, dated sky, sandbox assumptions, fold-memory prompts. Requires BALANCE_API_KEY + birth profile. Empty key → error personal_timetable_requires_key; use free tools instead. Not a fortune verdict.
| Name | Type | Req | Description |
|---|---|---|---|
| birth | object | – | Optional birth profile. If omitted, uses the cloud profile saved on the paid account. |
| date | string | – | Optional YYYY-MM-DD to pin which flow month to use. |
| locale | string | – | Reply language. zh (default) or en. |
| month | string | – | Month YYYY-MM. Default: current month. |
No output schema declared.
No examples provided.
sky_window Sky window · 天象窗口 ~154
This tool looks up a deterministic rules engine. Same day → same answer. Do not invent pillars or fortune claims. Call when the user asks 未来两周有什么天象 / 新月哪天 / 日食哪天 / 接下来有没有逆行 / what sky events are coming. Lists dated L1 sky marks (new/full moon, eclipse, ingress, stations). Public · local · no API key. Max span 45 days. Preview ≠ prediction.
| Name | Type | Req | Description |
|---|---|---|---|
| from | string | – | Start date YYYY-MM-DD. Default: today. |
| locale | string | – | Reply language. zh (default) or en. |
| to | string | – | End date YYYY-MM-DD. Default: from + 14 days. |
No output schema declared.
No examples provided.
solar_terms Solar terms · 二十四节气表 ~166
This tool looks up a deterministic rules engine. Same day → same answer. Do not invent pillars or fortune claims. Call when the user asks 二十四节气 / 今年节气表 / 白露是哪天 / 立春哪天 / 夏至冬至是什么时候 / 下一个节气 / 24 solar terms / when is White Dew / next solar term / jieqi. Returns the full 24-term table for any year 1900–2100: civil date + exact term-boundary time (Asia/Shanghai), plus the next upcoming term. Public · local · no API key. Preview ≠ prediction.
| Name | Type | Req | Description |
|---|---|---|---|
| locale | string | – | Reply language. zh (default) or en. |
| year | integer | – | Gregorian year. Default: current year. |
No output schema declared.
No examples provided.
time_fold Time fold · 时间折叠 ~265
This tool looks up a deterministic rules engine. Same day → same answer. Do not invent pillars or fortune claims. Call when the user asks 时间折叠 / 现在叠的是哪一年 / 这个月对应哪一年 / time folding / nonlinear time / 甲午月是哪一年. First line is the #be time atom (keep 干支 in Chinese). Then this month’s fold year (same pillar). Ask the user what they lived that year — do not invent a biography. Then the Wuhu group and next year’s full table when the year is about to change. Then the 12-row table. Same table for everyone. Dayun / org dual natal only places the chapter. Public · local · no API key. Preview ≠ prediction.
| Name | Type | Req | Description |
|---|---|---|---|
| compact | boolean | – | true = return only the atom line, fold mapping and rule line (token-light for chained agent calls). Default false = full 12-row table. |
| date | string | – | Date YYYY-MM-DD. Default: today in Asia/Shanghai. Use when the user asks about a specific day. |
| locale | string | – | Reply language. zh (default) or en. |
| month | string | – | Month YYYY-MM if not passing date. Pins the flow-month. |
No output schema declared.
No examples provided.
today_rhythm Today rhythm · 今日节奏 ~243
This tool looks up a deterministic rules engine. Same day → same answer. Do not invent pillars or fortune claims. Call when the user asks 今天节奏怎么样 / 今天势能怎么样 / 今天干支是什么 / 今天适不适合签约开会发版 / 今天流通怎么样 / 该不该推进某事 / what is today's rhythm. First line is the #be time atom (keep 干支 in Chinese). Then east pillars, this month’s fold year (same pillar), month posture × west tightness as do/don't, plus the daily west almanac. Always surface the fold-year line and ask what they lived that year. Public · local · no API key. Preview ≠ prediction.
| Name | Type | Req | Description |
|---|---|---|---|
| date | string | – | Date YYYY-MM-DD. Default: today in Asia/Shanghai. Use when the user asks about a specific day. |
| hour | string | – | Clock HH:MM or 时支 like 申 / 未时. Adds the public hour pillar. Use when the user says 现在 / 下午 / 几点. |
| locale | string | – | Reply language. zh (default) or en. |
No output schema declared.
No examples provided.
What is the Nonlinear Calendar MCP server?
Nonlinear Calendar is an MCP server listed in the public MCP registry as io.github.singularitybpjade/balance-engine. Nonlinear Calendar: this year’s months fold onto the previous 12 years. No key to try. This page covers its npm package (balance-engine-mcp).
Is the Nonlinear Calendar MCP server safe to use?
Nonlinear Calendar scores 74 out of 100 on VerifyMCP. We found no known CVEs affecting it as of 4 October 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 Nonlinear Calendar MCP server expose?
Nonlinear Calendar exposes 12 tools: today_rhythm, month_brief, solar_terms, date_lookup, sky_window, and 7 more. Their descriptions and schemas cost roughly 2,503 tokens of context every time the server is loaded.
Is the Nonlinear Calendar MCP server still maintained?
Nonlinear Calendar is still listed as active in the MCP registry. We last reached this channel on 4 October 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 Nonlinear Calendar MCP server under?
Nonlinear Calendar declares the MIT licence, which is OSI-approved. That covers the source only, and says nothing about the cost of any service it calls.