mcp-logic
★ 43
vs
semble
★ 4.5k
mcp-logic vs semble
mcp-logic: MCP-Logic is an MCP server for automated first-order logic reasoning using Prover9 and Mace4. It provides theorem proving, model finding, counterexample generation, syntax validation, categorical reasoning, propositional contingency checking, and abductive reasoning. All dependencies are automatically installed.; semble: Semble is a high-performance code search library designed for AI agents, providing instant access to precise code snippets. It offers significantly faster indexing and querying compared to transformer models, achieving 99% of their retrieval quality while running entirely on CPU without external dependencies.
01
TL;DR
Choose mcp-logic if…Prove logical theorems, e.g., 'all x (man(x) -> mortal(x)), man(socrates) ⊢ mortal(socrates)'
Choose semble if…Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities
02
Side-by-Side Comparison
03
Features
mcp-logic01Theorem Proving with Prover9
02Model Finding with Mace4
03Counterexample Finding
04Syntax Validation with helpful error messages
05Abductive Reasoning using Variational Free Energy
semble01Fast performance on CPU (indexes in ~250ms, queries in ~1.5ms)
02High accuracy (NDCG@10 of 0.854), comparable to transformer models
03Supports indexing local paths and remote Git repositories
04Functions as an MCP server for various AI agents
05Zero setup, no API keys, GPU, or external services required
04
Use Cases
mcp-logic↳Prove logical theorems, e.g., 'all x (man(x) -> mortal(x)), man(socrates) ⊢ mortal(socrates)'
↳Analyze propositional contingency, e.g., '(p -> q) | (q -> p)' is a tautology
↳Find counterexamples, e.g., from premises 'P(a)' and conclusion 'P(b)', show it does not follow
semble↳Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities
↳Searching local or remote codebases for specific code snippets based on natural language or code queries
↳Finding semantically similar code sections related to a given file path and line number
05
Best For
mcp-logicTrendingObservability
sembleCode AssistantRAG / Knowledge Base
FAQ
FAQ
What is the difference between mcp-logic and semble?
Both mcp-logic and semble are in the Dev Tooling category. mcp-logic has 43 stars, while semble has 4.5k stars.
Which is better, mcp-logic or semble?
The best choice depends on your use case. Choose mcp-logic if Prove logical theorems, e.g., 'all x (man(x) -> mortal(x)), man(socrates) ⊢ mortal(socrates)', and semble if Enhancing AI agents (e.g., Claude Code, Cursor, Codex) with fast and accurate code search capabilities.
Is mcp-logic free or open source?
Yes, mcp-logic is open source on GitHub (MIT).
Is semble free or open source?
Yes, semble is open source on GitHub (MIT).
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