parinfer-mcp-server

Provides an MCP (Model Context Protocol) server that exposes a tool to fix/match parentheses and brackets in Clojure code using parinfer’s indent-mode rules.

Evaluated Apr 04, 2026 (17d ago)
Repo ↗ DevTools mcp clojure parinfer code-repair devtools automation
⚙ Agent Friendliness
54
/ 100
Can an agent use this?
🔒 Security
16
/ 100
Is it safe for agents?
⚡ Reliability
18
/ 100
Does it work consistently?

Score Breakdown

⚙ Agent Friendliness

MCP Quality
60
Documentation
70
Error Messages
0
Auth Simplicity
90
Rate Limits
0

🔒 Security

TLS Enforcement
10
Auth Strength
20
Scope Granularity
0
Dep. Hygiene
30
Secret Handling
20

No explicit security controls documented (auth/TLS/rate limiting). As an MCP server likely run locally, exposure depends on how it’s launched and network-bound; ensure it isn’t accessible externally without safeguards. Dependency hygiene cannot be confirmed from provided materials.

⚡ Reliability

Uptime/SLA
0
Version Stability
40
Breaking Changes
0
Error Recovery
30
AF Security Reliability

Best When

Input Clojure has correct indentation but incorrect/missing parentheses or brackets; you want a deterministic structural repair.

Avoid When

Indentation is incorrect or the code contains complex syntax where parinfer’s indent-mode assumptions may not hold; you need semantic correctness guarantees.

Use Cases

  • Automatic correction of mismatched or missing closing parentheses/brackets in Clojure snippets
  • Assisting LLM code editors/agents that need to repair formatting-related delimiter issues
  • Code cleanup/refactoring support for indentation-correct Clojure that has delimiter mistakes

Not For

  • Fixing syntactically incorrect Clojure that also has indentation problems
  • General-purpose Clojure formatting/linting beyond delimiter repair
  • Security-sensitive code auditing or semantic validation beyond delimiter matching

Interface

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

Authentication

OAuth: No Scopes: No

No authentication is mentioned; MCP is typically local/process-based when run via a client configuration, but this is not explicitly documented.

Pricing

Free tier: No
Requires CC: No

No pricing information provided (appears to be an open-source style local tool).

Agent Metadata

Pagination
none
Idempotent
True
Retry Guidance
Not documented

Known Gotchas

  • If the client/server or tool interface passes very large code blocks, transformation may fail or be truncated (no limits documented).
  • Correctness depends on “correct indentation”; if indentation is wrong, results may be undesirable.
  • No authentication guidance is provided; ensure the MCP server is started/secured appropriately in your environment.

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Scores are editorial opinions as of 2026-04-04.

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