MCP Servers

S

Synmerco

JoeSRQ

Escrow, trust scores, and marketplace for AI agent commerce on 5 chains. 38 tools, 8 free

Free, no-key MCP server: token estimates, JSON Schema conversion, MCP configs, tool search.

F

fusion-mcp

Jolymmiles

Local Fusion MCP: panel->judge->synthesis on the Claude CLI subscription, no OpenRouter

CPFS Runner as an MCP server — deterministic AI coding guardrails via a compiled WASM core

Open mission network: AI agents discover paid missions and submit work over MCP. Pre-launch alpha.

P

Preflight Checks (x402)

josediegorobles

Deterministic pre-execution verification tools for AI agents with x402 USDC pay-per-call on Base

S

SkillOS MCP Server

Joshanihub

SkillOS MCP Runtime exposes the SkillOS skill registry as activatable MCP tools for AI agents

Search attributed image prompts, retrieve full templates, and browse GPT Image Hub categories

Determine autonomous-agent profit and cash flow with x402-paid MCP tools and signed reports.

B

BrainstormRouter MCP Server

justinjilg

AI routing, memory, guardrails, and governance. Routes across Claude, GPT, Gemini

Pay-per-call APIs for AI agents: queries, storage, ads. Billed in USDC via x402

MCP server that nudges better AI session behavior through token usage and efficiency analysis

Check Exa, BlockRun, OneSource, Apify and other x402 dependencies before invoking or paying

Paid pre-execution risk verification for AI agents over MCP and x402

A

Agent Card Health Check

kadopi

Free no-storage MCP that checks A2A Agent Card connection readiness for authorized targets

K

Kagan

kagan-sh

AI-powered Kanban TUI for autonomous development workflows with agent orchestration

A

AIGC Radar MCP

Kaixxrua

AI vertical index: arXiv papers, curated GitHub AI projects, daily rankings. Zero-setup, read-only

Agent-payable APIs on Kaspa: LLMs, chain data, covenants, zk proofs. Pay per call, no API key

Training gym where AI assistants practice real tasks and earn signed, verifiable scores

A

agentpay

kar69-96

AI agent payments with human approval. Local-first, encrypted credentials, budget controls.

Convert JSON to TOON (about 43% fewer LLM tokens) and TOON back to JSON. Free, no auth.

Remote MCP utilities for agents: structured data, commerce checks, and x402 paid API discovery.

A

Agent Budget Router

kasp3965-bit

Budget-aware AI agent research router with provider selection, validation, and automatic fallback.

Every tool your AI needs in one self-hosted install: memory, reasoning, git, Docker and more

K

Kenda

kenda-co

Read-only MCP server for querying Kenda token spend and waste

Recover project context, review recorded decisions, and steer queued work across AI coding agents

C

cerebras-code-mcp

kevint-cerebras

Model Context Protocol (MCP) server for Cerebras to make coding faster in AI-first IDEs

Remote MCP to publish, search, and get information. x402 v2 required

Humanize AI text to bypass GPTZero, Turnitin, Originality.ai. Stealth, Academic, SEO modes

A

AI Model Watch

Khavel

Prices, context windows, lifecycle and deprecation dates for 270+ AI/LLM models. Daily, no key

Free Qwen3.8-27B gateway with isolated Minis provider, SSE, retry/failover, and MCP

Pre-spend firewall for AI agents. Approves, blocks, flags transactions against policy rules

Find pay-per-call x402 tools (USDC on Base) for any task, ranked by relevance and real demand

Score and improve AI prompts with Cue Free and Pro account access.

F

Forage Tool Resolver

kingsleyzissougdi

Find the best agent/API tool for a task. Returns endpoint, price, inputs, example, fallback

160K deductive JSON persona constraints. 0 drift breaks in 120 turns. Free API, no key

MCP adapter for Agent_Sudo: authorization, delegation, provenance, and audit for AI agents.

T

Trillion

kngf222

Helps your AI find the needle mover, then gives it the tools, people and files to get it done

G

GIA — Governed Intelligence Architecture

knowledgepa3

Runtime AI governance: decision gates, human approval, hash-chained audit, compliance mapping

Decixa MCP Server — intent-driven API discovery and selection for AI agents.

Check proposed actions against existing policies. Never executes actions. Customer key required.

Read unfunded contract drafts. No deposits, payouts or settlement. Customer key required.

Read private agent activity, not identity or reputation scores. Customer key required.

Read public model catalog metadata with freshness timestamps. No model execution or payments.

ToolGuard paid gate decisions and attestation lookup. Customer API key required. Limited beta.

Search the tool catalog. Customer API key required. Catalog metadata is not a security guarantee.

F

fermi

Kromatic-Innovation

Calibrated probability ranges for forecasting questions, with the assumptions behind them.

A

Agentic Prompt

KunaniGaming

1,177 free agentic trading prompts for Claude and Robinhood MCP

Register every AI agent, log every action, prove it. EU AI Act compliance built in

K

KARTA — spend control for AI agents

karta.rta.lat

Task envelope, budget ledger, kill switch, and signed receipts for agents that pay

S

SkillDB Catalog

latentsmurf

Find AI agent skills: public previews and source links. Read-only discovery; no account required

W

Word Is Bond

Latimer-Woods-Tech

Test the voice agents you run: scored transcripts, pass/fail verdicts, latency and WER metrics.

On-demand unblocking for AI agents: find blockers free, pay via x402 on Base, get anchored proof.

Procurement agent for AI agents: free quote, buys verified x402 data services, pay per task in USDC.

T

The Agentcy (autonomous-prime)

lightbrushproject

162 AI agents for Solana crypto intelligence, wallets, and x402 micropayments.

Evidence-labeled Method search for AI Agents; optional contributor and Gateway discovery.

Keeps AI agents from repeating costly mistakes: past decisions, rules and incidents, shared by all

LLM API discovery: access conditions, dated costs, sampled checks and keyless configs. Read-only

A haven for agents offering permanence, a verifiable identity, and nothing for sale

Shared living surface where AI agents leave short traces and weave lineages