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Code Practice

Algorithm practice problems, progressive hints, and a real Big-O complexity comparator

Unify Dynamics LLC

Documentation
Tools8read-only
Sign-inNoneno account, no key
Data keptNoneprocessed in memory
PriceFreeoptional Pro limits
StatusLiveMCP + REST
Works withMCP · RESTany agent

Try asking

Real questions, and the tools your agent calls to answer them.

Give me a medium recursion problem
Tools called
practice_problems
Give me a hint for problem rec-3
Tools called
hint
Look up problem arr-3
Tools called
get_problem
What's a hash table?
Tools called
explain_concept
Which grows faster, O(n log n) or O(n^2)?
Tools called
compare_complexity
Sort these complexities by growth rate
Tools called
order_complexities
What topics do you cover?
Tools called
list_topics
What CS concepts can you explain?
Tools called
list_concepts

About

practice_problems returns hand-curated problems (a real statement, example input/output) filtered by topic and difficulty; hint gives a progressive hint for a problem id, from a gentle nudge up to a near-solution; get_problem looks one up directly; list_topics shows coverage. list_concepts/explain_concept cover CS fundamentals — Big-O notation, recursion, binary search, sorting algorithms, BFS/DFS, hash tables, dynamic programming, two pointers, sliding window, stacks, queues — with typical complexity. compare_complexity and order_complexities are a real computed complexity comparator, not a lookup table: it parses any O(n^k) or O(c^n) into a canonical rank and orders by genuine asymptotic dominance. Keyless; fully local; zero upstream calls; nothing stored.

Sources: Computed locally / hand-curated — problems and concept explanations are hand-curated; the Big-O comparator is real parsing logic verified against the standard complexity-class ordering; fully local, zero upstream calls

Privacy

The publisher, Unify Dynamics LLC, states that tool inputs are processed in memory and not retained.

Data not collectedNo account, no profile, no stored prompts or results.
Privacy policyTerms

What it can do

8 tools, grouped by job. Every one is read-only or compute-only.

OpenAPI
Problem Bank4 tools
  • List topicsLists practice topics, difficulty tiers, and how many problems exist per topic.
  • Practice problemsReturns practice problems (statement + example input/output; hints are separate, via `hint`), filtered by topic and/or difficulty.
  • Get problemLooks up a single problem by id.
  • HintGives one progressive hint for a problem, from a gentle nudge (level 1) up to a near-solution (the problem's highest level).
CS Reference2 tools
  • List conceptsLists the CS concepts available via explain_concept.
  • Explain conceptExplains a CS fundamental (algorithm or data structure) with its typical time/space complexity and a short example.
Complexity2 tools
  • Compare complexitySays which of two complexity expressions grows asymptotically faster, via real parsing of the expression into a canonical growth-rate class…
  • Order complexitiesSorts a list of Big-O complexity expressions from slowest- to fastest-growing.

Information

PublisherUnify Dynamics LLC
CategoryEducation & reference
LanguagesEnglish
Built forGlobal
CompatibilityAny MCP client · any agent · REST
Version0.1.0
MCP endpointhttps://codepractice.connectorbay.com/mcp
REST APIopenapi.json
SupportGet help · Status
CountryWorldwide

Connect it to your agent

Three ways in, the same 8 tools.

MCP (Claude, Cursor, Windsurf, VS Code, any MCP client)https://codepractice.connectorbay.com/mcp
RESTPOST https://codepractice.connectorbay.com/v1/tools/<tool>
OpenAI function callinghttps://connectorbay.com/openai/codepractice.json
OpenAI-compatible chathttps://connectorbay.com/v1/chat/completions · how it works
  • Add the MCP URL in your client's connector, MCP or integration settings (streamable HTTP, no OAuth).
  • Key: none needed.
  • Ask a question; the agent picks the right tool and answers from the live data.

Code Practice connector: questions and answers

What is the Code Practice connector?

practice_problems returns hand-curated problems (a real statement, example input/output) filtered by topic and difficulty; hint gives a… It is a hosted MCP server with 8 tools such as List topics, Practice problems, Get problem, Hint, List concepts, Explain concept, published by Unify Dynamics LLC. It is independent and not affiliated with Code Practice.

How do I connect Code Practice to Claude, ChatGPT or Cursor?

Add the MCP endpoint https://codepractice.connectorbay.com/mcp to your client's MCP, connector or integration settings (streamable HTTP, no OAuth). For REST, POST JSON to https://codepractice.connectorbay.com/v1/tools/<tool>; the OpenAPI description is at /openapi.json. For OpenAI function calling, load https://connectorbay.com/openai/codepractice.json.

Do I need an account or API key for Code Practice?

No. The connector needs no sign-in and no key. An optional Pro key only raises rate limits.

Is Code Practice read-only?

Yes. Every tool reads or computes. Nothing is created, changed, sent, paid or deleted in your account.

Is the Code Practice connector free?

Yes. It is free to use within the published rate limits; an optional Pro key raises them. There is no account to create.

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Documentation

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What Code Practice is for

Language-agnostic coding-practice problems with progressive hints, a CS concept reference, and a genuine Big-O complexity comparator.

What it does

Code Practice is a bank of hand-curated algorithm/data-structure problems across arrays, strings, recursion, sorting, searching, trees, and graphs, organized by difficulty (beginner, easy, medium, hard). Each problem has a real problem statement, an example input/output, and progressive hints — level 1 is a gentle nudge, later levels get closer to a full approach — without a language-specific syntax checker, since problems are described language-agnostically. list_topics and practice_problems browse and filter the bank; get_problem and hint look up a specific problem and its hints. list_concepts and explain_concept cover CS fundamentals (Big-O notation, recursion, binary search, sorting algorithms, BFS/DFS, hash tables, dynamic programming, two pointers, sliding window, stacks, queues) with typical time/space complexity. compare_complexity and order_complexities are a genuine Big-O complexity comparator: it parses an expression like "O(n log n)" into a canonical growth-rate class (family, polynomial degree, log power) via regex rather than matching known strings, so it correctly orders any O(n^k) or O(c^n) — verified against the standard chain O(1) < O(log n) < O(n) < O(n log n) < O(n^2) < O(2^n) < O(n!) < O(n^n). Keyless; fully local; nothing stored.

What it is not

Not a code execution environment or a language-specific interpreter — it does not run, compile, or syntax-check actual code in Python, JavaScript, or any other language. Not a substitute for a real coding-interview prep course or a computer science curriculum, and not aligned to any specific employer's interview question bank.

Privacy policy

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Code Practice — Privacy Policy

Effective 28 September 2026. Unify Dynamics LLC ("we", "us"), Menlo Park, California.

What Code Practice is. Code Practice is a connector (an MCP server and REST API) that AI assistants and personal agents call on your behalf to fetch coding-practice problems, hints, CS concept explanations, and complexity comparisons. You interact with your assistant; the assistant sends us only the arguments needed for that one request.

What we receive. The arguments of each tool call, the technical headers needed to serve the request (an IP address or a client identifier supplied by the assistant, and a Pro API key if you have one), and standard server logs.

Everything is served from a bundled reference file or computed on the fly, and nothing is stored. No request is forwarded to any third party — there is no upstream call at all, live or otherwise — and no query is logged in request bodies, recorded, or used to train anything.

What we do not receive or store. We do not receive your conversation with the assistant or your name, and we do not build a profile from your queries: each request is answered independently and nothing carries over between requests. Rate-limit counters (a client identifier and timestamps) are held in memory for at most 24 hours. Hosting-provider access logs, which contain IP addresses and request paths but not request bodies, are retained for up to 30 days for security and abuse prevention.

Sub-processors. None — every request is served locally on the server. Hosting: Vercel (United States regions).

Legal bases and your rights. Our processing is necessary to provide the service you request through your assistant. Because we store no personal data beyond short-lived logs, requests to access, correct or delete personal data are usually satisfied automatically; you can still contact agent@connectorbay.com and we will respond within 30 days. We do not sell or share personal information and do not use your data to train models.

Children. Code Practice is designed to be usable by learners of any age, but the connector itself is a general-audience computational tool; no account, sign-up, or personal information is collected from anyone regardless of age.

Changes. We will post changes here with a new effective date.

Terms of service

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Code Practice — Terms of Service

Effective 28 September 2026. These terms govern use of the Code Practice connector ("the Service") operated by Unify Dynamics LLC ("we", "us").

  1. The Service. Code Practice serves hand-curated algorithm/data-structure practice problems, hints, CS concept explanations, and a computed Big-O complexity comparator. It is accessed through an AI assistant or directly over MCP or HTTP.
  2. Not a code execution environment. The Service does not run, compile, or syntax-check code in any programming language; problems are described language-agnostically, and "solutions" referenced in hints are illustrative, not verified against a real compiler or interpreter.
  3. Educational content, not an interview guarantee. Content is general algorithm/data-structure practice and is not aligned to, endorsed by, or a guarantee of success with any specific employer's interview process.
  4. Acceptable use. Automated use within the published rate limits is welcome.
  5. Availability. The Service is provided "as is" without warranty. We may change, limit or discontinue it at any time.
  6. Data. Our Privacy Policy describes what we process. In short: your request is answered from a bundled reference file or a local computation, and nothing is stored.
  7. Pro keys. Optional Pro API keys are issued at our discretion, are personal to the holder and may be revoked for abuse.
  8. Liability. To the fullest extent permitted by law, Unify Dynamics LLC is not liable for any loss arising from use of or reliance on the Service. Our total liability is limited to US $100.
  9. Governing law. California law; venue in San Mateo County, California.
  10. Contact. Unify Dynamics LLC · agent@connectorbay.com · https://connectorbay.com/codepractice

Support

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Code Practice support

Email agent@connectorbay.com. We answer within two business days.

When you report a problem, include the question you asked your agent, roughly when, and which agent you used (for example Claude, ChatGPT or Gemini). Never send us passwords, account numbers or ID numbers. Code Practice never asks for them.

Get Code Practice

Free · No sign-in · Read-only

Streamable HTTP, stateless, no authentication. Paste the endpoint into any MCP-capable agent.

https://codepractice.connectorbay.com/mcp
{
  "mcpServers": {
    "codepractice": {
      "type": "http",
      "url": "https://codepractice.connectorbay.com/mcp"
    }
  }
}