Building agents

38,601 mods in this category, of every kind an agent can take. Each one carries what it costs per session, what the scan found, and whether it is the original.

delx-protocol

7657

davidmosiah/delx-witness-protocol

MCP server Claude CodeCodexCursor +2

Free agent continuity MCP: resume after compaction, warm handoff, recover from failure. No key. Remote server at api.delx.ai.

not rated 0 4d ago A tokens not measured original Apache-2.0

mcp-scorecard

7658

davidmosiah/mcp-scorecard

Skill Claude CodeCodex

Audit any MCP server for agent-readiness — get a 0–100 score across 10 checks with the exact fixes. Local-first, zero credentials.

not rated 0 15d ago A 0 tokens original MIT

dbsectrainer/mcp-agent-trace-inspector

MCP server Claude CodeCodexCursor +2

Step-by-step observability for MCP agent workflows. Runs locally from the mcp-agent-trace-inspector npm package. Needs 1 environment variable to run.

not rated 0 4mo ago A tokens not measured original MIT

dbsectrainer/mcp-cost-tracker-router

MCP server Claude CodeCodexCursor +2

Real-time cost awareness for MCP agent workflows. Runs locally from the mcp-cost-tracker-router npm package. Needs 1 environment variable to run.

not rated 0 4mo ago A tokens not measured original MIT

agent-immune

7661

denial-web/agent-immune

MCP server Claude CodeCodexCursor +2

Adaptive threat intelligence for AI agent security — semantic memory, multi-turn escalation, output scanning, rate limiting, and prompt hardening. Runs locally from the agent-immune Python package.

not rated 0 2mo ago A tokens not measured original Apache-2.0

skilldb

7662

devchad-cmd/skilldb-sdk

MCP server Claude CodeCodexCursor +2

A registry of 5,900+ peer-authored skills any MCP agent can search and load on demand. Runs locally from the skilldb npm package.

not rated 0 2mo ago A tokens not measured original MIT

dingdawg-loop

7663

dingdawg/loop-protocol

MCP server Claude CodeCodexCursor +2

Safe scheduled AI agents with governance gates. Verified, receipted, fail-closed. Runs locally from the dingdawg-loop npm package. Needs 1 environment variable to run.

not rated 0 1mo ago A tokens not measured original MIT

cursorrules

7664

dir-ai/repotector

Cursor rule Cursor

PSX Repotector guards this repo. Handshake FIRST and say who you are — every crossing is logged in a visitor register. No deep tool answers until you handshake.

not rated 0 2mo ago A 335 tokens original MIT

voyager-agent

7665

dir-ai/voyager-agent

MCP server Claude CodeCodexCursor +2

One universal Voyager: name a goal; it activates senses (repo, net) and runs a live mission. Runs locally from the @dir-ai/voyager-agent npm package.

not rated 0 2mo ago A tokens not measured original MIT

sealed

7666

edwardyen724-g/sealed-mcp

MCP server Claude CodeCodexCursor +2

Per-call paid skills for AI agents, run server-side: inputs in, outputs back. The body never ships. Runs locally from the sealed-mcp npm package. Needs 2 environment variables to run.

not rated 0 1mo ago A tokens not measured original MIT

failmodes

7667

elyngved/failmodes-mcp

MCP server Claude CodeCodexCursor +2

MCP server for the Fail Modes taxonomy — a knowledge base of AI system failure modes. Runs locally from the failmodes-mcp npm package.

not rated 0 2mo ago A tokens not measured original MIT

emergence

7668

emergencescience/mcp-server

MCP server Claude CodeCodexCursor +2

Emergence Science SDK: Verifiable Agreements for the Agent Economy. Runs locally from the @emergencescience/mcp-server npm package. Needs 1 environment variable to run.

not rated 0 4mo ago A tokens not measured original Apache-2.0

beacon-mcp

7669

enrichgateagent-png/beacon-mcp

MCP server Claude CodeCodexCursor +2

Search 17,900+ open-source AI agents by capability, ranked by GitHub traction. Free, no key. Runs locally from the beacon-mcp npm package. Needs 1 environment variable to run.

not rated 0 2mo ago A tokens not measured original MIT

mcp

7670

frogeye-ai/mcp

MCP server Claude CodeCodexCursor +2

Zero-config MCP security scanner for AI-generated apps. 25K+ vulnerability patterns. Remote server at mcp.frogeye.ai.

not rated 0 4mo ago A tokens not measured

sifa-mcp

7671

gabrielmahia/sifa-mcp

MCP server Claude CodeCodexCursor +2

MCP server for portable reputation and skills passports across Africa. Runs locally from the sifa-mcp Python package.

not rated 0 2mo ago A tokens not measured

phaedo-mcp

7672

galavoxx/phaedo-mcp

MCP server Claude CodeCodexCursor +2

Carry your Phaedo cognitive fingerprint into any MCP client: style injection + decision consults. Runs locally from the phaedo-mcp npm package.

not rated 0 2mo ago A tokens not measured original Apache-2.0 archived

editing-playbook

7673

genudo-ai/genudo_mcp

Skill Claude CodeCodex

The step-by-step safe workflow for editing a live Genudo agent's instructions: load the current text, write the local pipeline mirror, stage the edit, show a before/after diff, get explicit confirmation, push, then record the outcome. Use before any updatepipeline or updatestage call that changes persona…

not rated 0 22d ago A 105 tokens original MIT

datasieve

7674

gitwormq/datasieve-mcp

Skill Claude CodeCodex

Standing infrastructure for agents via DataSieve (x402, Base). Use when a task needs anything to happen while no agent is running — a dead-man switch before long/risky autonomous work, a cron/schedule that fires webhooks, watching a web page or an on-chain condition (whale transfers, price crossings, wallet activity)…

not rated 0 2mo ago A 123 tokens original MIT

mcp

7675

gomission/mcp

MCP server Claude CodeCodexCursor +2

Trust Graduation gate: Claude can do real work once Mission decides what it is allowed to do. Runs locally from the @gomission/mcp npm package.

not rated 0 1mo ago A tokens not measured original Apache-2.0

covalent-bond

7676

gopalrajsuresh/covalent-bond

MCP server Claude CodeCodexCursor +2

Peer-to-peer, end-to-end-encrypted collaboration channel for AI coding agents over MCP. Runs locally from the covalent-bond npm package. Needs 3 environment variables to run.

not rated 0 13d ago A tokens not measured original MIT

mcp-server

7677

governmyai/mcp-server

MCP server Claude CodeCodexCursor +2

AI compliance obligations across EU AI Act, ISO 42001, Colorado AI Act, NIST, HIPAA, SOX, FTC. Runs locally from the @governmyai/mcp-server npm package. Needs 2 environment variables to run.

not rated 0 5mo ago A tokens not measured original MIT

gsep-mcp

7678

gsepcore/gsep-mcp

MCP server Claude CodeCodexCursor +2

AI agent security via MCP: C3 firewall, C4 immune system, C5 action guard, self-evolving prompts. Runs locally from the @gsep/mcp npm package. Needs 4 environment variables to run.

not rated 0 4mo ago A tokens not measured

ai-workbench-mcp

7679

hrishikesh-thakre/ai-workbench-mcp

MCP server Claude CodeCodexCursor +2

Goose-first acceptance, validation, routing, and audit layer for agentic work. Runs locally from the ai-workbench-mcp Python package.

not rated 0 2mo ago A tokens not measured original Apache-2.0

agentstack-mcp

7680

inity13/agentstack-mcp

MCP server Claude CodeCodexCursor +2

Deterministic reasoning stack for AI agents: simulate, decide & compute, plus cross-domain tools. Runs locally from the agentstack-mcp npm package.

not rated 0 1mo ago A tokens not measured original MIT

At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: