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Mancer Provider Guide

Mancer is a Tier-2 catalog provider: OpenAI-wire-compatible with no behavioural quirks, so its entire integration is one JSON file (src/lib/providers/catalog/mancer.json) rather than hand-written code. That file is the source of truth for everything on this page.

Key Facts​

  • Provider id: mancer (aliases: mancer-tech)
  • Protocol: OpenAI-compatible (/chat/completions)
  • Base URL: https://neuro.mancer.tech/oai/v1
  • Default model: deepseek-v4-flash
  • Models in catalog: 10
  • Streaming: supported
  • Tool calling: not supported
  • Structured output: supported
  • Embeddings: not supported
  • Billing: free-tier
  • Key format: ^mcr_[A-Za-z0-9]+$

Quick Start​

1. Get an API key​

  1. Visit: https://mancer.tech/dashboard and sign in
  2. Create an API key (prefix mcr_)
  3. Without credits only the free model 'mytholite' answers; every other model returns 402 until you add credits at https://mancer.tech/pricing
  4. Set MANCER_API_KEY in your .env file

2. Configure​

export MANCER_API_KEY=your-api-key
export MANCER_MODEL=deepseek-v4-flash      # optional — overrides the default model
export MANCER_BASE_URL=https://neuro.mancer.tech/oai/v1   # optional — self-hosted or proxy

3. Use it​

import { NeuroLink } from "@juspay/neurolink";

const neurolink = new NeuroLink();

const result = await neurolink.generate({
  input: { text: "Explain context windows in one paragraph." },
  provider: "mancer",
  model: "deepseek-v4-flash",
});

console.log(result.content);
# CLI
npx @juspay/neurolink generate "Hello" --provider mancer

Per-request credentials work as they do for every provider:

await neurolink.generate({
  input: { text: "Hello" },
  provider: "mancer",
  credentials: { mancer: { apiKey: process.env.MANCER_API_KEY } },
});

Models​

ModelContextVision$/M in · outNotes
mythomax8Kno$0.14 / $0.24MythoMax (LLaMA 2, Simplified Alpaca format) — pricing and limits from the authenticated /oai/v1/models roster, 2026-09-03
deepseek-v4-flash ⭐1Mno$0.07 / $0.2DeepSeek V4 Flash — Mancer's flagship general model; paid credits required — pricing and limits from the authenticated /oai/v1/models roster, 2026-09-03
deepseek-v4-flash-07311Mno$0.07 / $0.2DeepSeek V4 Flash, 2026-07-31 snapshot; paid credits required — pricing and limits from the authenticated /oai/v1/models roster, 2026-09-03
mytholite3Kno$0 / $0MythoLite — Mancer's free demo model (2,560-token context, 150-token completions, Simplified Alpaca format); the only model usable with a zero balance — pricing and limits from the authenticated /oai/v1/models roster, 2026-09-03
remm-slerp6Kno$0.14 / $0.26ReMM-SLERP (Simplified Alpaca format) — pricing and limits from the authenticated /oai/v1/models roster, 2026-09-03
magnum-72b-v432Kno$1 / $2Magnum 72B v4 (ChatML format) — pricing and limits from the authenticated /oai/v1/models roster, 2026-09-03
glm-4.7128Kno$0.28 / $1GLM-4.7 — pricing and limits from the authenticated /oai/v1/models roster, 2026-09-03
gpt-oss-120b128Kno$0.022 / $0.2GPT-OSS 120B — pricing and limits from the authenticated /oai/v1/models roster, 2026-09-03
weaver-alpha8Kno$0.16 / $0.3Weaver Alpha (Simplified Alpaca format) — pricing and limits from the authenticated /oai/v1/models roster, 2026-09-03
dans-pe-1.3-24b32Kno$0.2 / $0.8Dan's PersonalityEngine 1.3 24B — pricing and limits from the authenticated /oai/v1/models roster, 2026-09-03

Fallback order when the default is unavailable: deepseek-v4-flash → gpt-oss-120b.

Verification status​

Tier-2 onboarding requires evidence before a provider is accepted, and pnpm run verify:provider-onboarding gates it in CI. This is what the catalog records for Mancer:

ProbeResult
Rosterauthenticated GET /oai/v1/models; full response retained as evidence/mancer-roster-authenticated.json in the campaign scratchpad and every catalog price/limit machine-checked against it (Mancer re-prices — gpt-oss-120b input moved 0.024 → 0.022 within the day), HTTP 200, 2026-09-03
Auth rejectionHTTP 401, 2026-09-03
Live capability sweep2026-09-03 — 18-probe harness on the free model mytholite: roster, chat, max_completion_tokens, system role, content parts, sampling params, SSE stream (usage chunk + [DONE]), json_schema (valid JSON matching schema) and json_object

Troubleshooting​

SymptomCauseFix
Invalid Mancer API keyMANCER_API_KEY unset or wrongCheck the key at https://mancer.tech/dashboard
Model not foundThe roster changed since 2026-09-03Pick a current id; catalog providers retire models without notice
Tools silently absentMancer declares tools: falseUse a tool-capable provider for agentic work — see provider capabilities

See also​