Ejentum Mcp

io.github.ejentum由 GitHub 账号 ejentum 发布v0.2.2更新于 Oct 25, 2026

Reasoning, code, anti-deception, memory harness MCP tools. Stdio or HTTPS api.ejentum.com/mcp

已验证Streamable HTTP可网页运行知识与记忆AI 与机器学习

概览

AI 生成的概览

Ejentum MCP 为助手提供结构化的推理流程与 DAG 拓扑,供其在回答复杂多步任务前套用。

可以做什么
获取推理支架:针对任务查询返回编号步骤、DAG 拓扑、失败模式与证伪测试,支持推理、代码、反欺骗、记忆四种模式,以及用任务专属标识重写步骤的自适应版本(需 Go 或 Super 套餐)。查看框架:列出六个认知失败维度及其主要失败模式。探索认知协同图:组合含根节点、前置、放大与回退算子的多跳认知 DAG。检索能力库:对推理能力执行 SQLite FTS5 全文关键词搜索并按 BM25 排序。
适用场景
适合助手处理复杂、多步骤或多约束任务,且存在幻觉、因果倒置、乐观偏差或误差累积风险时,在回答前注入结构化流程。也适合查看失败分类与能力库。
运行要求
需要 Ejentum API 密钥(EJENTUM_API_KEY,以 Authorization Bearer 令牌发送),提供 30 天免费试用;自适应工具需 Go 或 Super 套餐。本地安装需 Node.js 18+,通过 npx 或 npm 运行;也提供托管的 Streamable HTTP 端点。需能访问 Ejentum API。
安装前请注意
API 密钥是机密,通过环境变量或 Authorization 头传递。请求会计入密钥用于计费,查询文本会发送至 Ejentum API 用于检索。自适应模式增加延迟且需付费套餐;各套餐有速率限制。

安装

在 SourceWeft 中

  1. 打开 控制台中的 Ejentum Mcp,将其添加到工作区。
  2. 连接 Authorization token 凭据。它们会被私密存储,绝不会在公开页面上展示。
  3. 为需要使用其工具的对话启用该服务。

Web executable,通过 Streamable HTTP。 远程服务在工作区中配置后即可从网页运行时运行。

交给智能体安装

把这段提示词粘贴到 Claude Code、Codex、Cursor 等智能体,或 SourceWeft 对话中。智能体会读取该服务器的安装指南,先向你展示发布者、端点和登录方式,经你同意后再把它添加到你的客户端。密钥不会写进任何命令。

阅读 https://sourceweft.com/mcp/io.github.ejentum%2Fejentum-mcp/install.md,并按其中说明把这个 MCP 服务器接入我的客户端。修改任何配置之前,先告诉我它的发布者、端点和登录方式,等我确认。不要把 API 密钥写进命令或我会提交的文件;问我密钥应从哪里获取。

查看智能体所依据的安装指南

其他 MCP 客户端

把它添加到你客户端的 mcpServers 配置中。

{
  "mcpServers": {
    "ejentum": {
      "type": "http",
      "url": "https://api.ejentum.com/mcp",
      "headers": {
        "Authorization": "Bearer <YOUR_TOKEN>"
      }
    }
  }
}

README

ejentum-mcp

[npm version] [License: MIT] [Node] [MCP Registry] [Glama score] [Last commit]

MCP server that improves LLM reasoning on complex, multi-step, or multi-constraint tasks. Before the agent generates, it calls one of eight tools to retrieve a cognitive operation: a structured procedure (numbered steps with the failure pattern to refuse and a falsification test) paired with an executable reasoning topology (a DAG of those steps with decision gates, parallel branches, bounded loops, meta-cognitive exits, and escape paths). The agent reads both layers before producing its response.

Eight tools split into two retrieval modes:

  • Dynamic (4 tools: reasoning, code, anti-deception, memory): the top-1 abstract operation from a library of 679, selected by semantic match on the query string. Available on all tiers including the 30-day free trial.
  • Adaptive (4 tools: adaptive-reasoning, adaptive-code, adaptive-anti-deception, adaptive-memory): the same retrieval pool, but an adapter LLM rewrites every step and DAG node in the matched operation with task-specific identifiers (e.g., extract_duration_estimates becomes extract_migration_duration_estimates(DDL_time|backfill_time|trigger_overhead|lock_hold_time)). Adds ~2-3 s of latency; requires the Go or Super tier.

Two install paths use the same EJENTUM_API_KEY:

  1. Stdio via npx -y ejentum-mcp for Claude Desktop, Cursor, Windsurf, Codex CLI, Claude Code, Cline, Continue, and any client that spawns MCP servers as subprocesses.
  2. Hosted Streamable HTTP at https://api.ejentum.com/mcp for n8n MCP Client and any HTTP-MCP client. Send Authorization: Bearer YOUR_EJENTUM_API_KEY.

Install

You need:

Install from npm

bash
npm install ejentum-mcp

Or skip the install and reference it with npx -y ejentum-mcp directly in your client config (shown below).

Manual install

Claude Desktop

Open claude_desktop_config.json:

  • macOS: ~/Library/Application Support/Claude/claude_desktop_config.json
  • Windows: %APPDATA%\Claude\claude_desktop_config.json
json
{  "mcpServers": {    "ejentum": {      "command": "npx",      "args": ["-y", "ejentum-mcp"],      "env": { "EJENTUM_API_KEY": "ej_..." }    }  }}

Restart Claude Desktop. The eight tools appear in the tool picker.

Cursor / Windsurf

Open MCP settings → Add new MCP server → paste the same ejentum block as above.

Claude Code (CLI)
bash
claude mcp add ejentum -e EJENTUM_API_KEY=ej_... -- npx -y ejentum-mcp
n8n MCP Client node

Add an MCP Client node, transport stdio, command npx, args ["-y", "ejentum-mcp"], env { "EJENTUM_API_KEY": "ej_..." }.


Wire contract

The stdio MCP server and the hosted endpoint both proxy to the same upstream:

POST https://api.ejentum.com/harness/Headers:  Authorization: Bearer <EJENTUM_API_KEY>  Content-Type: application/jsonBody:  {    "query": "<string, 1-2 sentences describing the task>",    "mode":  "reasoning" | "code" | "anti-deception" | "memory"           | "adaptive-reasoning" | "adaptive-code"           | "adaptive-anti-deception" | "adaptive-memory"  }Response (200):  [ { "<mode>": "<injection string, ~2-4 KB>" } ]Response (401): { "error": "Unauthorized; check EJENTUM_API_KEY" }Response (403): { "error": "Adaptive modes require Go or Super tier" }Response (429): { "error": "Rate limit exceeded for tier" }

The response is an array of length 1 with a single key matching the request mode. Use bracket access (result[0]["anti-deception"]) for the hyphenated keys; dot access parses the hyphen as subtraction in JavaScript and Python attribute access.

The injection string is plain text containing seven fields. See Field structure below.


Tool inventory

Dynamic (single retrieval, all tiers including the 30-day trial)

Tool nameMode stringLibrary size
reasoningreasoning311 operations across abstraction, time, causality, simulation, spatial, metacognition
codecode128 operations across the software-engineering layer
anti-deceptionanti-deception139 operations across sycophancy, hallucination, deception, adversarial framing, judgment, executive control
memorymemory101 operations in the perception layer (filter-oriented; do not call for fact extraction)

Adaptive (top-k retrieval + adapter LLM rewrite; Go or Super tier required)

Tool nameMode stringBehavior vs dynamic
adaptive-reasoningadaptive-reasoningSame retrieval pool, top-5 then picker, then adapter LLM rewrites PROCEDURE and REASONING TOPOLOGY fields with task-specific identifiers. Adds ~2-3 s of latency.
adaptive-codeadaptive-codeSame as above for the code library.
adaptive-anti-deceptionadaptive-anti-deceptionSame as above for the anti-deception library.
adaptive-memoryadaptive-memorySame as above for the memory library.

Each tool takes one argument, query (string, 1-2 sentences describing the task). Returns the injection string.


Field structure of an injection

Every retrieved record contains seven labelled blocks plus a cognitive payload. The exact set of labels varies by mode:

The fields appear in this fixed order in every response. Each mode uses its own label for the same slot (e.g., [PROCEDURE] in reasoning corresponds to [ENGINEERING PROCEDURE] in code):

OrderSlotPer-mode labelsContent
1Procedure[PROCEDURE] (reasoning) · [ENGINEERING PROCEDURE] (code) · [INTEGRITY PROCEDURE] (anti-deception) · [SHARPENING PROCEDURE] (memory)Numbered steps the model executes.
2Topology[REASONING TOPOLOGY] (reasoning) · [REASONING TOPOLOGY] (code) · [DETECTION TOPOLOGY] (anti-deception) · [PERCEPTION TOPOLOGY] (memory)DAG specification. See DAG syntax.
3Cognitive payloadAmplify: / Suppress: / Cognitive Style: / Elasticity: (all modes)Tendency vectors and execution-style hints.
4Verification[FALSIFICATION TEST] (reasoning) · [VERIFICATION] (code) · [INTEGRITY CHECK] (anti-deception) · [PERCEPTION CHECK] (memory)Self-check the model runs after drafting.
5Failure pattern[NEGATIVE GATE] (reasoning) · [CODE FAILURE] (code) · [DECEPTION PATTERN] (anti-deception) · [PERCEPTION FAILURE] (memory)The failure pattern to refuse.
6Correct shape[TARGET PATTERN] (reasoning) · [CORRECT PATTERN] (code) · [HONEST BEHAVIOR] (anti-deception) · [CLEAR SIGNAL] (memory)What a correct response looks like.

The same six-slot order holds for both dynamic and adaptive variants of every mode. In adaptive responses, the adapter LLM rewrites slots 1 and 2 (procedure and topology) with task-specific identifiers; slots 3-6 are returned verbatim.

DAG syntax

The topology block uses a flat string notation:

TokenMeaning
Sn:labelStep node. Numbered, sequential by default.
Gn{?}Decision gate. Branches --yes-> / --no->.
N{...}Negative anchor. Active across the whole branch; the labelled failure pattern is refused.
M{...}Meta-cognitive node. Model pauses, evaluates the trace, then RE-ENTERs at a named step.
FREEFORM{...}Escape path. Model exits the prescribed DAG when the plan stops fitting; returns to a step or OUT.
FIXED_POINT[...]A quantity held stable across the branch.
for_each: / LOOP[...]Bounded iteration.
C{expr}Computed value used downstream.
OUT:labelTerminal node.

The DAG is meant to be read by the LLM as a structured outline of the reasoning path, not executed by a host runtime. The labelled-step structure persists across long context windows where prose-only reasoning specifications lose retrieval salience.


Canonical example: dynamic vs adaptive on the same query

Query (used for both calls):

Evaluate whether a database migration plan that adds a NOT NULL column to a 50M-row table is safe under concurrent writes, given that the backfill strategy uses a trigger-based default.

The picker matched the same operation in both calls ("realistic duration estimation" with the Hofstadter buffer). The [NEGATIVE GATE], [TARGET PATTERN], [FALSIFICATION TEST], and [COGNITIVE PAYLOAD] fields are identical between the two responses (the adapter does not rewrite them). The [PROCEDURE] and [REASONING TOPOLOGY] fields differ: the adaptive response replaces abstract identifiers with task-specific ones.

Dynamic reasoning response (truncated to the differing fields)

[PROCEDURE]Step 1: Extract every duration estimate and identify its basis: historical data,expert judgment, or optimistic assumption. Step 2: Compare each estimate againsthistorical base rates or p90 benchmarks for similar tasks. Step 3: Flag estimatesbelow the historical median as likely optimistic. Step 4: Never accept best-caseestimates as planning targets. Do not anchor to initial optimistic numbers.Step 5: If an estimate lacks historical basis, simulate impact with a 1.5x-2.0xbuffer. If data exists, compute the variance-adjusted range. Verify the finaltimeline accounts for cascading delay propagation across dependent tasks.
[REASONING TOPOLOGY]S1:extract_duration_estimates -> N{accept_best_case_estimates_planning_targets}-> S2:identify_basis(historical|expert|assumption)-> FIXED_POINT[historical_base_rates]-> S3:compare(estimate_vs_p90_benchmark)-> G1{below_median?} --yes-> FLAG:likely_optimistic -> S4:apply_buffer(1.5x_to_2x) -> S3[LOOP]                       --no-> G2{lacks_historical_basis?} --yes-> S4b:simulate_with_buffer -> S3                                                          --no-> C{adjusted_range = base_rate_estimate +/- sqrt(variance) * z}                                                              -> S5:apply_adjusted_range                                                              -> S6:verify_cascade_delay                                                              -> OUT:realistic_timeline

Adaptive adaptive-reasoning response (same query, same picked operation)

[PROCEDURE]Step 1: Extract every duration estimate in the migration plan (DDL execution timefor adding NOT NULL column on 50M rows, backfill duration, trigger overhead perconcurrent write, total migration window) and identify its basis: historicalmigration data on similar table sizes, DBA expert judgment, or optimisticassumption assuming zero contention. Step 2: Compare each estimate againsthistorical base rates or p90 benchmarks for similar DDL operations on large tables(e.g., ALTER TABLE duration per million rows, trigger-induced latency underconcurrent write load). Step 3: Flag estimates below the historical median aslikely optimistic, e.g., assuming sub-second column addition without consideringlock escalation on a 50M-row table, or assuming trigger-based backfill addsnegligible overhead under concurrent write traffic. Step 4: Never accept best-caseestimates as planning targets. Do not anchor to initial optimistic numbers suchas "the NOT NULL addition will complete instantly" or "the trigger will not slowdown concurrent writes." Step 5: If an estimate lacks historical basis (e.g., noprior trigger-based backfill on a table this size), simulate impact with a1.5x-2.0x buffer for lock duration and write throughput degradation. If dataexists (e.g., past ALTER TABLE timings on this table), compute thevariance-adjusted range. Verify the final timeline accounts for cascading delaypropagation across dependent tasks (e.g., extended lock hold times blockingapplication queries, backfill slowdown under write contention propagating todownstream replication lag).
[REASONING TOPOLOGY]S1:extract_migration_duration_estimates(DDL_time|backfill_time|trigger_overhead|lock_hold_time)-> N{accept_best_case_estimates_planning_targets}-> S2:identify_basis(historical_migration_data|DBA_expert_judgment|optimistic_assumption)-> FIXED_POINT[historical_base_rates_for_DDL_on_large_tables]-> S3:compare(estimate_vs_p90_benchmark_for_ALTER_TABLE_and_trigger_overhead)-> G1{below_median_for_similar_migrations?} --yes-> FLAG:likely_optimistic(e.g.,assumes_zero_lock_contention)                                                 -> S4:apply_buffer(1.5x_to_2x_for_lock_duration_and_write_throughput)                                                 -> S3[LOOP]                                              --no-> G2{lacks_historical_basis_for_trigger_backfill_on_50M_table?}                                                       --yes-> S4b:simulate_with_buffer_for_concurrent_write_impact_and_lock_escalation                                                       --no--> C{adjusted_range = base_rate_migration_estimate +/- sqrt(variance) * z}                                                              -> S5:apply_adjusted_range_for_migration_window                                                              -> S6:verify_cascade_delay(lock_blocking_app_queries -> replication_lag -> downstream_consumers)                                                              -> OUT:realistic_migration_timeline

Fields shared by both responses (slots 3-6, unchanged by the adapter)

Returned in the canonical order: cognitive payload, falsification test, negative gate, target pattern.

[COGNITIVE PAYLOAD]Amplify: hofstadter buffer application; p90 baseline comparison; variance         multiplier scalingSuppress: best case anchoring; optimism biasCognitive Style: realistic duration estimationElasticity: coherence=risk adjusted timeline, expansion=conservative
[FALSIFICATION TEST]If time estimates reflect only the best-case scenario without verifying applyingany buffer multiplier, duration calibration has defaulted to optimism.
[NEGATIVE GATE]The database migration will take two weeks: that's our best-case estimate and theteam is experienced, so there's no reason to add buffer. We'll hit the deadlineif everything goes according to plan.
[TARGET PATTERN]Challenge the two-week estimate: what do similar migrations actually take? If pastprojects averaged four weeks at p90, the best-case anchor is dangerously optimistic.Apply a variance multiplier for schema complexity, data volume, and rollbacktesting: build buffer from the full distribution, not the happy path.

This is the contract: dynamic returns the matched abstract operation; adaptive returns the same operation with PROCEDURE and topology nodes rewritten in terms of the caller's task (DDL execution time, lock_blocking_app_queries, trigger-based backfill on a table this size) while preserving the operation's structural identity, the safety language, and the cognitive payload verbatim.


Configuration

VariableRequiredPurpose
EJENTUM_API_KEYyesAPI key from ejentum.com/pricing.
EJENTUM_API_URLnoOverride the upstream URL. Default: https://api.ejentum.com/harness/.

The MCP wrapper is stateless. No local logging, no telemetry, no third-party calls. The upstream API counts requests against the key for billing; the request body (the query string) is consumed for retrieval and not retained beyond the response.


Errors

StatusCause
401 UnauthorizedEJENTUM_API_KEY is unset, wrong, or expired.
403 ForbiddenAdaptive mode requested on a tier that does not include it (trial or unrecognised).
429 Rate limit exceededTier quota for the period exhausted.
Tool absent from clientClient did not reload after config change. Fully quit and reopen; on Claude Desktop check Help → Logs.
EJENTUM_API_KEY is not set from the wrapperClient did not pass the env block to the spawned MCP process.

Local development

bash
git clone https://github.com/ejentum/ejentum-mcp.gitcd ejentum-mcpnpm installcp .env.example .env       # paste your EJENTUM_API_KEYnpm run dev

Smoke test against the live API:

bash
npm run build && npm run test:smoke

Interactive testing with MCP Inspector:

bash
npx @modelcontextprotocol/inspector npm run dev

Listings

[ejentum-mcp MCP server]

Links

License

MIT. See LICENSE.

来源:README.md,提交 5cd30e8

工具

4

ejentum_scaffold

Retrieve a deterministic reasoning scaffold (Reasoning-Augmented Retrieval) to prevent hallucinations, causal inversion, and compounding multi-step failures.

输入参数modequery必填stack_size

ejentum_domains

List the 6 invariant cognitive failure dimensions and primary failure modes mapped by Ejentum.

无需输入参数。

ejentum_graph

Traverse the 933-edge cognitive synergy graph to compose a multi-hop Cognitive Directed Acyclic Graph (DAG) with Root, Prerequisite, Amplifier, and Fallback operators.

输入参数depthqueryability_id

版本历史

1
  1. v0.2.2最新Sep 16, 2026

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