Haskell MCP Server

MCP server providing Haskell language tooling to AI agents — enabling agents to evaluate Haskell expressions, type-check code, run GHCi REPL sessions, compile Haskell modules, and get type information. Integrates Haskell's powerful type system and functional programming capabilities into AI-assisted development workflows.

Evaluated Mar 07, 2026 (0d ago) vcurrent
Homepage ↗ Repo ↗ Developer Tools haskell functional-programming mcp-server ghc type-checking repl
⚙ Agent Friendliness
74
/ 100
Can an agent use this?
🔒 Security
82
/ 100
Is it safe for agents?
⚡ Reliability
64
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
65
Documentation
65
Error Messages
65
Auth Simplicity
100
Rate Limits
90

🔒 Security

TLS Enforcement
80
Auth Strength
85
Scope Granularity
75
Dep. Hygiene
75
Secret Handling
90

Local GHCi execution. Haskell can perform arbitrary IO — sandbox for untrusted code evaluation. No network transmission of code.

⚡ Reliability

Uptime/SLA
62
Version Stability
65
Breaking Changes
62
Error Recovery
65
AF Security Reliability

Best When

A Haskell developer wants AI assistance with functional programming — type checking, REPL evaluation, and exploring Haskell's type system with AI-guided explanations.

Avoid When

You don't use Haskell — this is a niche tool for the small but dedicated Haskell community. Use language-specific MCPs for Python, JavaScript, etc.

Use Cases

  • Evaluating Haskell expressions and getting type information from functional programming agents
  • Running GHCi sessions for interactive Haskell development from coding agents
  • Type-checking Haskell code snippets from code review agents
  • Exploring Haskell library functions and their types from learning agents

Not For

  • Teams not using Haskell (this is a niche language-specific tool)
  • Production Haskell compilation (use GHC directly for build pipelines)
  • Non-Haskell functional programming languages (Elm, PureScript need different tools)

Interface

REST API
No
GraphQL
No
gRPC
No
MCP Server
Yes
SDK
No
Webhooks
No

Authentication

Methods: none
OAuth: No Scopes: No

No authentication — local tool. Requires GHC (Glasgow Haskell Compiler) to be installed locally.

Pricing

Model: free
Free tier: Yes
Requires CC: No

Free open source Haskell language tooling MCP server.

Agent Metadata

Pagination
none
Idempotent
Full
Retry Guidance
Not documented

Known Gotchas

  • GHC must be installed separately — not bundled; Haskell toolchain setup is non-trivial
  • GHC compilation is slow — expect significant latency for larger code evaluation
  • Haskell type errors can be verbose and complex — agents need Haskell expertise to interpret
  • GHCi sessions are stateful — track session context carefully across multiple calls

Alternatives

Full Evaluation Report

Comprehensive deep-dive: security analysis, reliability audit, agent experience review, cost modeling, competitive positioning, and improvement roadmap for Haskell MCP Server.

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$99

Package Brief

Quick verdict, integration guide, cost projections, gotchas with workarounds, and alternatives comparison.

Delivered within 10 minutes

$3

Score Monitoring

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Continuous monitoring

$3/mo

Scores are editorial opinions as of 2026-03-07.

6331
Packages Evaluated
26150
Need Evaluation
173
Need Re-evaluation
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