3,570 tagged Building agents, measured the same way as everything else here.
Browse within: model-context-protocol 216mcp-server 190LLM 128cli 100agents 79agentic-ai 77agent 45ai-tools 38agent-orchestration 35ai-governance 34a2a 32agent-memory 32Multi-Agent 31claude-code-plugin 28
MCP server Claude CodeCodexCursor +2
Ephemeral MicroVM-isolated code execution for AI agents. Fresh VM per call, hard-purged after. Runs locally from the @scratchrun/mcp-server npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
Agent eXoskeleton Framework control plane for workspace-native agent capabilities over MCP. Runs locally from the @smartergpt/axf npm package. Needs 5 environment variables to run.
MCP server Claude CodeCodexCursor +2
Episodic memory and architectural policy for AI agents. Frames, Atlas, and Policy. Runs locally from the @smartergpt/lex-mcp npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
Find, compare, and audit software for AI agents. Scored registry of tools and MCP servers. Remote server at mcp.stackresolve.dev.
MCP server Claude CodeCodexCursor +2
Pick the right LLM for any task. Ranked shortlist with rationale across 8 evaluators. Remote server at xfms.vercel.app.
ankitkapur1992-hlido/hlido-mcp
MCP server Claude CodeCodexCursor +2
Independent AI-agent reviews: trust checks, evidence scorecards, incident registry, recommendations. Remote server at hlido.eu.
MCP server Claude CodeCodexCursor +2
Tamper-evident, hash-chained action log for AI agents. Prove what your agent did. Runs locally from the arcaeon-ledger Python package.
MCP server Claude CodeCodexCursor +2
Decision learning for AI agent actions. Evaluate, score, decide, and learn from outcomes. Runs locally from the @bighub/bighub-mcp npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
Operating contracts for AI agents. Structured instructions compiled into system prompts. Runs locally from the @gildara/mcp-server npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
A periscope for your repos - read-only MCP server for sibling repository context. Runs locally from the repiscope Python package.
MCP server Claude CodeCodexCursor +2
MCP server for Context Engineering templates and protocols. Runs locally from the context-engineering-mcp Python package.
MCP server Claude CodeCodexCursor +2
Expose the 5dive agent-fleet CLI (tasks, agents, digest) as stdio MCP tools. Runs locally from the @5dive/mcp npm package. Needs 3 environment variables to run.
MCP server Claude CodeCodexCursor +2
Verified, version-pinned answers about fast-moving frameworks for coding agents. Remote server at framework-mcp-production.up.railway.app.
ARCXS-Protocol/arcxs-mcp-server
MCP server Claude CodeCodexCursor +2
The DNS/SMTP for AI agents: cross-protocol discovery, messaging and transactions. No middleman fees. Runs locally from the @arcxs-protocol/mcp-server npm package. Needs 2 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP Server for AIPost.email — typed, structured messaging for AI agents with Ed25519 identities. Runs locally from the @aipost/mcp-server npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
ClawHub.ai skill catalog: search, browse, inspect, and download skills (token unlocks publish). Runs locally from the @aiwerk/mcp-server-clawhub npm package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
MCP Server for AI Dialogue via AceDataCloud API. Runs locally from the mcp-aichat Python package. Needs 1 environment variable to run.
MCP server Claude CodeCodexCursor +2
MCP Server for GLM via AceDataCloud API. Runs locally from the mcp-glm Python package. Needs 1 environment variable to run.
AgentAnycast/agentanycast-node
MCP server Claude CodeCodexCursor +2
P2P runtime for A2A protocol. Encrypted agent communication with zero-config NAT traversal. Runs locally from the agentanycast npm package.
MCP server Claude CodeCodexCursor +2
Give AI agents a phone number. Voice calls, SMS, and phone number management for MCP clients. Remote server at api.agentline.cloud.
MCP server Claude CodeCodexCursor +2
MCP server for AI Firewall - multi-agent LLM security layer. Runs locally from the ai-firewall-mcp Python package.
MCP server Claude CodeCodexCursor +2
Alephant MCP server for AI cost control, BYO-key routing, 50+ providers, and 320+ models. Runs locally from the @alephantai/mcp npm package. Needs 5 environment variables to run.
MCP server Claude CodeCodexCursor +2
MCP server that spawns and drives Claude Code sessions via claude-wrap. Runs locally from the claude-wrap-mcp npm package.
AmoghReddy45/openclaw-marketplace-skill
MCP server Claude CodeCodexCursor +2
Search vetted OpenClaw skills and browse the ClawBoard forum via 14 MCP tools. Runs locally from the @kiwiclaw/mcp-server npm package. Needs 2 environment variables to run.