Clojars

Q: What can Clojars do?

clojars dependency metadata retrieval via mcp protocol, real-time clojars api polling for latest library versions, mcp tool registration and schema definition for clojars queries

MCP ServerFree

** - Obtains latest dependency details for Clojure libraries.

Open Source

/ 100

3 capabilities

Capabilities3 decomposed

clojars dependency metadata retrieval via mcp protocol

Medium confidence

Fetches real-time dependency information from the Clojars repository (Clojure's primary package registry) through the Model Context Protocol, enabling LLM agents and tools to query library versions, coordinates, and metadata without direct HTTP calls. Implements MCP server architecture that exposes Clojars API endpoints as callable tools, translating natural language requests into structured dependency lookups and returning parsed JSON responses with version history and artifact details.

Solves for

Query the latest stable version of a Clojure library to include in project dependenciesCheck available versions of a dependency to understand upgrade paths and breaking changesRetrieve full artifact coordinates (group ID, artifact ID, version) for dependency declarationsInspect dependency metadata including release dates, artifact size, and repository information

Best for

Clojure developers building LLM-assisted development tools and agents

Teams using Claude or other MCP-compatible LLMs to automate dependency management

Developers integrating Clojars lookups into AI-powered code generation workflows

Requires

MCP-compatible client (Claude, or other LLM with MCP support)

Network access to Clojars API (https://clojars.org/api/)

Node.js runtime (MCP server implementation)

Limitations

Limited to Clojars registry only — does not support Maven Central or other JVM repositories

No caching layer — each query makes a fresh HTTP request to Clojars API, adding latency for repeated lookups

No dependency resolution or transitive dependency analysis — returns only direct artifact metadata

What makes it unique

Exposes Clojars repository queries as MCP tools, allowing LLM agents to autonomously resolve Clojure dependencies without context-switching to external tools or manual API calls. Bridges the gap between AI code generation and Clojure's package ecosystem by implementing MCP server protocol specifically for Clojars, enabling seamless integration into agentic workflows.

vs alternatives

Provides native MCP integration for Clojars lookups where alternatives require manual API calls or external tool invocations, enabling LLMs to autonomously query Clojure dependencies within agentic reasoning loops.

real-time clojars api polling for latest library versions

Medium confidence

Continuously queries the Clojars REST API to fetch the most recent version metadata for specified Clojure libraries, parsing JSON responses to extract version strings, release timestamps, and artifact coordinates. Implements HTTP client logic that handles API rate limits and response parsing, translating raw Clojars API responses into structured data suitable for dependency resolution and version comparison workflows.

Solves for

Determine the latest available version of a Clojure library to recommend for upgradesCheck if a specific version of a library exists in Clojars before generating dependency declarationsRetrieve release history and timestamps to understand library maintenance cadenceExtract artifact group ID and coordinates for accurate dependency declarations in project.clj or deps.edn

Best for

Clojure developers using AI assistants to automate dependency updates

CI/CD pipelines that need to verify library availability before code generation

LLM agents tasked with generating or updating Clojure project configurations

Requires

Network connectivity to https://clojars.org/api/

Knowledge of exact library name or group ID + artifact ID

MCP client capable of invoking tool calls

Limitations

Clojars API has no official rate limiting documentation — high-frequency polling may trigger throttling

No version filtering or semantic versioning analysis — returns raw version strings without pre-release/stable distinction

Single-library lookups only — no bulk query support for multiple dependencies in one request

What makes it unique

Implements MCP-native polling of Clojars API with structured response parsing, allowing LLM agents to query library versions as first-class tools without requiring developers to write custom HTTP clients. Abstracts Clojars API complexity behind a simple tool interface that returns parsed, actionable metadata.

vs alternatives

Eliminates the need for developers to write custom Clojars API clients or shell scripts; LLMs can directly invoke version lookups as MCP tools, reducing friction in agentic dependency management workflows.

mcp tool registration and schema definition for clojars queries

Medium confidence

Registers Clojars dependency lookup operations as callable MCP tools with JSON schema definitions, enabling LLM clients to discover available operations, understand required parameters, and invoke queries through the MCP protocol. Implements MCP server-side tool registration that maps natural language tool descriptions to underlying Clojars API calls, handling parameter validation and response formatting according to MCP specification.

Solves for

Enable LLM clients to discover what Clojars operations are available without documentation lookupProvide structured parameter schemas so LLMs understand what inputs are required for dependency queriesAllow LLM agents to autonomously invoke Clojars lookups as part of multi-step reasoning chainsEnsure type safety and validation of dependency queries before they reach the Clojars API

Best for

LLM application developers building agentic workflows that need Clojure dependency resolution

Teams deploying Claude or other MCP-compatible LLMs with Clojure codebases

Developers creating custom MCP servers who want to understand tool registration patterns

Requires

MCP-compatible LLM client (Claude, etc.)

MCP server implementation (Node.js runtime)

Understanding of JSON schema for tool parameter definition

Limitations

Tool schema is static — does not dynamically reflect Clojars API changes or new endpoints

No parameter validation beyond JSON schema — complex validation logic must be implemented server-side

MCP protocol overhead adds ~50-100ms per tool invocation compared to direct API calls

What makes it unique

Implements MCP tool registration specifically for Clojars, exposing dependency queries as discoverable, schema-validated tools that LLM agents can invoke autonomously. Abstracts MCP protocol complexity behind a simple server implementation that handles tool registration, parameter validation, and response formatting.

vs alternatives

Provides native MCP tool integration for Clojars where alternatives require manual tool definition or custom MCP server implementations; enables plug-and-play Clojars integration into any MCP-compatible LLM workflow.

Capabilities are decomposed by AI analysis. Each maps to specific user intents and improves with match feedback.

Related Artifactssharing capabilities

Artifacts that share capabilities with Clojars, ranked by overlap. Discovered automatically through the match graph.

MCP Server22

MCP Servers Search

** - An MCP server that provides tools for querying and discovering available MCP servers from this list.

mcp server registry synchronization and updatesmcp server metadata extraction and normalization

2 shared capabilities

MCP Server20

Maven

** - Tools to query latest Maven dependency information

real-time maven central repository dependency lookup

1 shared capability

Product17

Klavis AI

** - Open Source MCP Infra. Hosted MCP servers and MCP clients on Slack and Discord.

mcp server discovery and registry

1 shared capability

MCP Server23

mcp.natoma.ai

** – A Hosted MCP Platform to discover, install, manage and deploy MCP servers by **[Natoma Labs](https://www.natoma.ai)**

mcp server discovery and catalog browsing

1 shared capability

MCP Server33

@smithery/cli

An NPX command to install and list Model Context Protocols from Smithery

mcp server listing and metadata inspection

1 shared capability

MCP Server26

@bunli/plugin-mcp

MCP (Model Context Protocol) plugin for Bunli - create CLI commands from MCP tool schemas

mcp tool schema discovery and introspection

1 shared capability

Best For

✓Clojure developers building LLM-assisted development tools and agents
✓Teams using Claude or other MCP-compatible LLMs to automate dependency management
✓Developers integrating Clojars lookups into AI-powered code generation workflows
✓Clojure developers using AI assistants to automate dependency updates
✓CI/CD pipelines that need to verify library availability before code generation
✓LLM agents tasked with generating or updating Clojure project configurations
✓LLM application developers building agentic workflows that need Clojure dependency resolution
✓Teams deploying Claude or other MCP-compatible LLMs with Clojure codebases

Known Limitations

⚠Limited to Clojars registry only — does not support Maven Central or other JVM repositories
⚠No caching layer — each query makes a fresh HTTP request to Clojars API, adding latency for repeated lookups
⚠No dependency resolution or transitive dependency analysis — returns only direct artifact metadata
⚠Requires active network connection to Clojars API; no offline fallback or local mirror support
⚠Clojars API has no official rate limiting documentation — high-frequency polling may trigger throttling
⚠No version filtering or semantic versioning analysis — returns raw version strings without pre-release/stable distinction

Requirements

MCP-compatible client (Claude, or other LLM with MCP support)Network access to Clojars API (https://clojars.org/api/)Node.js runtime (MCP server implementation)Network connectivity to https://clojars.org/api/Knowledge of exact library name or group ID + artifact IDMCP client capable of invoking tool callsMCP-compatible LLM client (Claude, etc.)MCP server implementation (Node.js runtime)

Input / Output

Accepts: text (library name or artifact coordinates), structured queries (group ID + artifact ID), text (library name, e.g., 'ring' or 'org.clojure/clojure'), JSON schema (tool definitions), structured parameters (library name, version filters)

Produces: JSON (artifact metadata with versions, coordinates, release info), structured text (formatted dependency declarations), JSON (version metadata with timestamps and coordinates), text (formatted version strings), MCP tool definitions (JSON schema), tool invocation results (JSON metadata)

UnfragileRank

Adoption15%(30% weight)

Quality10%(25% weight)

Ecosystem30%(25% weight)

Match Graph10%(15% weight)

Freshness75%(5% weight)

UnfragileRank is computed from adoption signals, documentation quality, ecosystem connectivity, match graph feedback, and freshness. No artifact can pay for a higher rank.

Type: MCP Server

3 capabilities

Visit Clojars→

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** - Obtains latest dependency details for Clojure libraries.

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Capabilities3 decomposed

clojars dependency metadata retrieval via mcp protocol

Medium confidence

Solves for

Best for

Clojure developers building LLM-assisted development tools and agents

Teams using Claude or other MCP-compatible LLMs to automate dependency management

Developers integrating Clojars lookups into AI-powered code generation workflows

Requires

MCP-compatible client (Claude, or other LLM with MCP support)

Network access to Clojars API (https://clojars.org/api/)

Node.js runtime (MCP server implementation)

Limitations

Limited to Clojars registry only — does not support Maven Central or other JVM repositories

No caching layer — each query makes a fresh HTTP request to Clojars API, adding latency for repeated lookups

No dependency resolution or transitive dependency analysis — returns only direct artifact metadata

What makes it unique

vs alternatives

real-time clojars api polling for latest library versions

Medium confidence

Solves for

Best for

Clojure developers using AI assistants to automate dependency updates

CI/CD pipelines that need to verify library availability before code generation

LLM agents tasked with generating or updating Clojure project configurations

Requires

Network connectivity to https://clojars.org/api/

Knowledge of exact library name or group ID + artifact ID

MCP client capable of invoking tool calls

Limitations

Clojars API has no official rate limiting documentation — high-frequency polling may trigger throttling

No version filtering or semantic versioning analysis — returns raw version strings without pre-release/stable distinction

Single-library lookups only — no bulk query support for multiple dependencies in one request

What makes it unique

vs alternatives

mcp tool registration and schema definition for clojars queries

Medium confidence

Solves for

Best for

LLM application developers building agentic workflows that need Clojure dependency resolution

Teams deploying Claude or other MCP-compatible LLMs with Clojure codebases

Developers creating custom MCP servers who want to understand tool registration patterns

Requires

MCP-compatible LLM client (Claude, etc.)

MCP server implementation (Node.js runtime)

Understanding of JSON schema for tool parameter definition

Limitations

Tool schema is static — does not dynamically reflect Clojars API changes or new endpoints

No parameter validation beyond JSON schema — complex validation logic must be implemented server-side

MCP protocol overhead adds ~50-100ms per tool invocation compared to direct API calls

What makes it unique

vs alternatives

Capabilities are decomposed by AI analysis. Each maps to specific user intents and improves with match feedback.

Alternatives to Clojars

IntelliCode50Extension

AI-assisted development

Compare →

GitHub Copilot Chat53Extension

AI chat features powered by Copilot

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GitHub Copilot52Extension

Your AI pair programmer

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Claude Code for VS Code52Extension

Claude Code for VS Code: Harness the power of Claude Code without leaving your IDE

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Clojars

Capabilities3 decomposed

clojars dependency metadata retrieval via mcp protocol

real-time clojars api polling for latest library versions

mcp tool registration and schema definition for clojars queries

Related Artifactssharing capabilities

MCP Servers Search

Maven

Klavis AI

mcp.natoma.ai

@smithery/cli

@bunli/plugin-mcp

Best For

Known Limitations

Requirements

Input / Output

UnfragileRank

About

Categories

Alternatives to Clojars

Are you the builder of Clojars?

Get the weekly brief

Data Sources

Clojars

Capabilities3 decomposed

clojars dependency metadata retrieval via mcp protocol

real-time clojars api polling for latest library versions

mcp tool registration and schema definition for clojars queries

Related Artifactssharing capabilities

MCP Servers Search

Maven

Klavis AI

mcp.natoma.ai

@smithery/cli

@bunli/plugin-mcp

Best For

Known Limitations

Requirements

Input / Output

UnfragileRank

About

Categories

Alternatives to Clojars

Are you the builder of Clojars?

Get the weekly brief

Data Sources