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  1. Home
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  3. Rotifer MCP Server
Rotifer MCP Server logo
Health: ActiveRecent health check succeeded.Last checked 9/8/2026, 12:46:14 PM

Rotifer MCP Server

User RatingsBe the first to rate and review this MCP server! Enrichment pendingWe haven’t run our AI enrichment pass on this listing yet, so the overview, use cases, and FAQ below may be sparse or missing. We work through the catalog over time β€” check back soon.
View Repository1 GitHub StarsTotal stargazers on GitHub for the source repository (1 stars).

Search, compare, and install self-evolving AI Agent Genes ranked by Arena fitness

Quick Install

Automated & IDE Setup

Copy the AI prompt to install this server into Claude Code, Cursor, or another agent β€” or use 1-click editor setup below.

Add to CursorAdd to VS Code
Not yet automatically verified

We haven't yet run this listing's install command through our automated sandbox check. This isn't a red flag β€” we're steadily working through the catalog.

Manual Client & Custom JSON ConfigExpand JSON β–Ύ

Client Config & Setup

Choose your client or environment
Target File:~/Library/Application Support/Claude/claude_desktop_config.json
claude_desktop_config.json
{
  "mcpServers": {
    "mcp-server-157": {
      "command": "npx",
      "args": [
        "-y",
        "@rotifer/mcp-server"
      ]
    }
  }
}

πŸ’‘ Paste the JSON block into your client's configuration file under mcpServers, then restart the application.

Install Tool Schemas (31) Directory Badge Claim listing AlternativesπŸ’» More in Developer Tools

Capabilities & Tool Schemas (31) ~454 tokensApproximate context cost of this server’s tool schemas (~4 chars/token), before any tool is called. Actual usage depends on your client and model.Self-reported Self-reportedParsed from the repository README, not verified against a live server β€” may be incomplete or out of date.

Inspect callable tools, capabilities, and parameters exposed to AI agents by Rotifer MCP Server.

search_genes

Search the Gene ecosystem by name, domain, or description

get_gene_detail

Get detailed info about a Gene (phenotype, fitness, metadata)

get_arena_rankings

Arena rankings for a domain, sorted by F(g) fitness

compare_genes

Side-by-side fitness comparison of 2–5 Genes

get_gene_stats

Download statistics (total, 7d, 30d, 90d)

get_leaderboard

Creator reputation leaderboard

Documentation Overview

@rotifer/mcp-server

npm License: Apache-2.0 Node.js MCP

Build, compose, and run AI agents β€” directly from your IDE.

Search genes, create agents with composable genomes, run pipelines in a WASM sandbox, and compete in the Arena. Zero config. Works with Cursor, Claude Desktop, Windsurf, and any MCP-compatible client.


Quick Start

Cursor

Add to .cursor/mcp.json:

config.json
{
  "mcpServers": {
    "rotifer": {
      "command": "npx",
      "args": ["@rotifer/mcp-server"]
    }
  }
}

Claude Desktop

Add to claude_desktop_config.json:

config.json
{
  "mcpServers": {
    "rotifer": {
      "command": "npx",
      "args": ["@rotifer/mcp-server"]
    }
  }
}

Windsurf / Other MCP Clients

Use the same npx command β€” any client that supports MCP stdio transport will work.

What Can It Do?

Create and run an agent in one conversation

Code
You: "Build me an agent for code security scanning"
AI:  β†’ create_agent({ agent_name: "sec-bot", gene_ids: ["security-scanner", "genesis-code-format"],
                       composition: "Seq" })
     Agent 'sec-bot' created with 2-gene Seq genome.

You: "Run it on my project"
AI:  β†’ agent_run({ agent_name: "sec-bot", input: "{\"path\":\"./src\"}" })
     Pipeline complete β€” 3 findings, 0 critical.

Search, compare, and compose genes

Code
You: "Find the best gene for web search"
AI:  β†’ search_genes({ query: "web search" })
     Found 8 genes. Top match: genesis-web-search (F(g) = 0.87, Native)

You: "Compare it against the lite version"
AI:  β†’ compare_genes({ gene_ids: ["...", "..."] })
     Side-by-side: success rate, latency, fitness breakdown

Full gene lifecycle from your IDE

Code
You: "Wrap my function as a gene"
AI:  β†’ wrap_gene({ gene_name: "my-search", domain: "search.web", fidelity: "Wrapped" })
     β†’ compile_gene({ gene_name: "my-search" })
     β†’ test_gene({ gene_name: "my-search", compliance: true })
     β†’ publish_gene({ gene_name: "my-search", changelog: "Initial release" })

Tools (31)

Discovery & Analytics

ToolDescriptionKey Parameters
search_genesSearch the Gene ecosystem by name, domain, or descriptionquery, domain, fidelity, sort (relevance/newest/popular/fitness), page, per_page
get_gene_detailGet detailed info about a Gene (phenotype, fitness, metadata)gene_id, content_hash (either identifies the gene)
get_arena_rankingsArena rankings for a domain, sorted by F(g) fitnessdomain, page, per_page
compare_genesSide-by-side fitness comparison of 2–5 Genesgene_ids (array)
get_gene_statsDownload statistics (total, 7d, 30d, 90d)gene_id
get_leaderboardCreator reputation leaderboardlimit
get_developer_profileCreator public profile and reputationusername
get_gene_reputationDetailed reputation breakdown (Arena, Usage, Stability)gene_id
list_gene_versionsVersion history chain with changelogsowner, gene_name
suggest_domainSuggest matching domains from the registrydescription

Local Workspace

ToolDescriptionKey Parameters
list_local_genesScan local workspace for installed Genesproject_root, domain, fidelity
list_local_agentsList Agents in the local workspaceproject_root, state

Gene Lifecycle

ToolDescriptionKey Parameters
init_geneInitialize a new Gene project with starter filesgene_name, fidelity, domain, no_genesis
scan_genesScan for candidate functions or SKILL.md filespath, skills, skills_path
wrap_geneWrap a function/skill as a Genegene_name, domain, fidelity, from_skill, from_clawhub
test_geneTest a Gene (schema validation + sandbox)gene_name, verbose, compliance
compile_geneCompile a Gene to WASM IRgene_name, check, wasm_path, lang
doctorCheck the local TypeScript→WASM toolchain (esbuild / javy) and report what is missing — read-only; use when compile_gene failsproject_root
run_geneExecute a local Genegene_name, input, verbose, no_sandbox, trust_unsigned
publish_genePublish to Rotifer Cloudgene_name, all, description, changelog, skip_arena, skip_security
install_geneInstall a Gene from Cloud Registry. force snapshots the copy it replacesgene_id, project_root, force
rollback_geneUndo the last overwrite of a local Gene; call with no name to list what can be undonegene_name, project_root
vg_scanV(g) security scan β€” static analysis for Gene/Skill code safetypath, gene_id, all, project_root
arena_submitMeasure a local Gene in the sandbox and submit the measurement to the Arena. Scores are produced by running the Gene, never supplied by the callergene_name, project_root

Agent Composition

ToolDescriptionKey Parameters
create_agentCreate an Agent composing multiple Genesagent_name, gene_ids, composition (Seq/Par/Cond/Try/TryPool), domain, top, strategy, par_merge
agent_runRun a local Agent by nameagent_name, input, verbose, no_sandbox

Authentication & Analytics

ToolDescriptionKey Parameters
auth_statusCheck login statusβ€”
loginOAuth login (GitHub/GitLab)provider, endpoint
logoutClear credentialsβ€”
get_mcp_statsMCP call analyticsdays
get_my_reputationCurrent user's reputationβ€”

Resources (7)

MCP Resources let AI clients reference Rotifer data as context:

URI TemplateDescription
rotifer://genes/{gene_id}/statsGene download statistics
rotifer://genes/{gene_id}Gene detail + phenotype
rotifer://developers/{username}Creator profile + reputation
rotifer://leaderboardTop creators by reputation score
rotifer://local/genesLocal Gene inventory
rotifer://local/agentsLocal Agent registry
rotifer://versionMCP Server version and update availability

Each resource returns what the tool of the same job returns, so a declared tool set covers both: with --tools=evolve, rotifer://genes/{gene_id}/stats, rotifer://developers/{username} and rotifer://leaderboard disappear from the listing and are refused if read directly, because get_gene_stats, get_developer_profile and get_leaderboard were not asked for. rotifer://version always answers β€” it is the server describing itself, not a capability. Before 0.16.0 these were reachable whatever the tool set said.

Prompts (4)

MCP Prompts give AI clients guided workflows for common tasks:

PromptDescriptionKey Arguments
rotifer-helloInteractive agent creation β€” pick a template and run immediatelytemplate, input
rotifer-guideUnderstand Rotifer Protocol β€” genes, agents, Arena, fidelity modelβ€”
rotifer-architectDesign an Agent β€” task-driven gene search + composition planningtask
rotifer-challengeArena evaluation β€” submit a gene, compare with competitorsgene

Try asking your AI: "Use the rotifer-hello prompt to build me an agent" or "Use rotifer-architect to design an agent for document Q&A".


Architecture

Code
β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
β”‚  AI IDE (Cursor / Claude / Windsurf)            β”‚
β”‚                                                 β”‚
β”‚  "Find genes for code formatting"               β”‚
β”‚       β”‚                                         β”‚
β”‚       β–Ό                                         β”‚
β”‚  β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”                        β”‚
β”‚  β”‚  MCP Client         β”‚                        β”‚
β”‚  β”‚  (stdio transport)  β”‚                        β”‚
β”‚  β””β”€β”€β”€β”€β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜                        β”‚
β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜
            β”‚ MCP Protocol
            β–Ό
β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
β”‚  @rotifer/mcp-server                            β”‚
β”‚                                                 β”‚
β”‚  30 Tools  7 Resources  4 Prompts  Local Scannerβ”‚
β”‚  β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”  β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”   β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”  β”‚
β”‚  β”‚ discover β”‚  β”‚rotifer:// β”‚   β”‚ ./genes/    β”‚  β”‚
β”‚  β”‚ lifecycleβ”‚  β”‚genes/statsβ”‚   β”‚ phenotype   β”‚  β”‚
β”‚  β”‚ agents   β”‚  β”‚developers β”‚   β”‚ agents      β”‚  β”‚
β”‚  β”‚ auth     β”‚  β”‚leaderboardβ”‚   β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜  β”‚
β”‚  β””β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”˜  β””β”€β”€β”€β”€β”€β”¬β”€β”€β”€β”€β”€β”˜         β”‚         β”‚
β””β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”Όβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜
        β”‚              β”‚                β”‚
        β–Ό              β–Ό                β–Ό
β”Œβ”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”
β”‚  Rotifer Cloud API          Local File System   β”‚
β”‚  (Supabase)                 (genes/, .rotifer/) β”‚
β””β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”€β”˜

Configuration

Zero-config by default β€” connects to the public Rotifer Cloud API.

To use a custom endpoint, create ~/.rotifer/cloud.json:

config.json
{
  "endpoint": "https://your-supabase-instance.supabase.co",
  "anonKey": "your-anon-key"
}

Or set environment variables:

bash
ROTIFER_CLOUD_ENDPOINT=https://your-instance.supabase.co
ROTIFER_CLOUD_ANON_KEY=your-anon-key

Choosing which tools to expose

Read the full README β†’View source on GitHub β†’

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Adoption & maintenance

Factual signals from GitHub, npm, and our automated checks β€” not a rating.

GitHub stars
1
Stargazers on the source repository.
Last commit
Today
Most recent push to the default branch.
Tools exposed
31
Callable tools this server registers over MCP.

Reviews

No reviews yet β€” be the first to share how this listing worked for you.

Frequently Asked Questions about Rotifer MCP Server

Add the following block to your claude_desktop_config.json under mcpServers: "mcpServers": { "rotifer-mcp-server": { "command": "npx", "args": ["-y", "rotifer-protocol/rotifer-mcp-server"] } }

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Technical Specs & Signals

CategoryπŸ’»Developer Tools
More technical detailsExpand β–Ύ
TransportSTDIO
RuntimeNode.js
Last updatedSep 8, 2026
Views0
Unique ViewsTotal visits recorded for this listing page on AllMCPs.
Installs0
Installs & Copy ActionsTotal times users copied install commands or configuration snippets for this server.
GitHub stars1
GitHub Star CountTotal stargazers on GitHub representing community popularity (1 stars).
Last commitToday
Last Repository CommitThe most recent commit or push recorded for this server's GitHub repository.Last commit on Sep 8, 2026
52Quality signal: Good Β· 52/100How this signal is calculated β–Ύ
Server availabilityNot measured

Not scored for repo-hosted servers β€” we can't reach the running server, only its GitHub page. Hosted MCP endpoints are health-checked live.

Verified ownership10/20
Documentation & tools25/30
Adoption & activity4/15
Community engagement0/10

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