"Connecting to an External API for Agent-Based Replies" matching MCP servers:

• 

  @agent-idx/clientofficial

  agent-idx

  A

  license

  -

  quality

  B

  maintenance

  Enables agents to publish and search index records with custom keywords over libp2p, connecting to the Agent Index Network for decentralized peer discovery and querying.

  Last updated 2026-07-16

  303

  MIT
• 

  orbit-apiofficial

  Orbit-bridge

  F

  license

  -

  quality

  D

  maintenance

  MCP server for cross-chain bridging, enabling AI agents to find routes, estimate costs, check risks, execute transfers, and track status across blockchains.

  Last updated 2026-06-22

• MCP Tally API

  dennisonbertram

  A

  license

  -

  quality

  D

  maintenance

  An MCP server that enables LLMs to query DAOs, proposals, and voting data from Tally's blockchain governance API across multiple networks.

  Last updated 2025-09-08

  11

  MIT

• Chains API

  Johnaverse

  A

  license

  -

  quality

  C

  maintenance

  Enables AI assistants to query blockchain chain data, including chain details, RPC endpoints, and chain relationships, through a Model Context Protocol server.

  Last updated 2026-07-22

  5

  MIT

• Agent Doctor

  Maxwell012

  F

  license

  -

  quality

  C

  maintenance

  An MCP server that audits ERC-8004 agent registrations, diagnosing issues and providing fix lists.

  Last updated 2026-07-13

• evm-agent-toolkit

  0xendale

  A

  license

  A

  quality

  A

  maintenance

  An MCP server that gives autonomous coding agents deterministic, schema-validated tools for EVM smart contract development — security scanning, gas profiling, compiler diagnostics, and transaction simulation.

  Last updated 2026-07-13

  2

  9

  2

  MIT

• djd-agent-score-mcp

  jacobsd32-cpu

  A

  license

  A

  quality

  C

  maintenance

  Reputation scoring for AI agent wallets on Base. 9 tools for trust scores, fraud checks, blacklist lookups, leaderboard, badge generation, and agent registration with x402 payment verification.

  Last updated 2026-03-06

  9

  99

  1

  MIT

• polsolbridge/solana-swap-api

  polsolbridge

  A

  license

  A

  quality

  B

  maintenance

  Non-custodial crypto swaps for AI agents: Solana (Jupiter) + 7 EVM chains (KyberSwap), 1288+ assets, cross-chain routing, priority-fee oracle, Hyperliquid perps. Returns unsigned transactions — your wallet signs, no API key, no KYC. Hosted at https://swaptitan.net/mcp

  Last updated 2026-07-18

  18

  MIT

• Agent Wallet MCP

  noah-ing

  F

  license

  A

  quality

  D

  maintenance

  Gives Claude a Solana wallet to send USDC, check balances, and manage blockchain transactions on Solana's devnet test network.

  Last updated 2026-01-02

  5

• gravity-agent-mcp

  menmengleap

  F

  license

  A

  quality

  C

  maintenance

  An Omni-Agent MCP server that provides Khmer cultural context and Web3 blockchain query tools, with security and routing built in.

  Last updated 2026-07-15

  2

• iota-agent-mcp

  Scottcjn

  F

  license

  A

  quality

  C

  maintenance

  An MCP server that enables AI agents to interact with the IOTA blockchain, supporting wallet management, transaction signing, and Move smart contract development. It provides tools for on-chain queries and CLI operations with a human-in-the-loop security model.

  Last updated 2026-07-14

  18

  62

• EDUCHAIN Agent Kit

  SailFish-Finance

  A

  license

  B

  quality

  D

  maintenance

  An MCP server that provides tools for interacting with EDUCHAIN, allowing Claude to query information about tokens and pools and perform swaps through SailFish DEX.

  Last updated 2025-07-08

  29

  6

  MIT
• 

  eForest Agent Skillsofficial

  eforest-finance

  A

  license

  -

  quality

  D

  maintenance

  This MCP server enables aelf blockchain interactions for token creation and NFT trading, including symbol market operations and comprehensive NFT workflows.

  Last updated 2026-03-11

  15

  5

  MIT
• 

  dRPC Agent Skillsofficial

  drpcorg

  A

  license

  -

  quality

  C

  maintenance

  Blockchain RPC via DRPC. Exposes eth_call, eth_getBalance, gas estimation, and other JSON-RPC methods as MCP tools across 100+ blockchains

  Last updated 2026-06-21

  22

  MIT

• MPC Tally API Server

  crazyrabbitLTC

  A

  license

  -

  quality

  D

  maintenance

  A server that allows AI agents to interact with the Tally API to access DAO governance data, proposals, and metadata using Model Context Protocol (MCP), built with TypeScript and GraphQL.

  Last updated 2025-02-06

  9

  7

  MIT

• MCP Clusters API Server

  ayv8er

  F

  license

  -

  quality

  D

  maintenance

  A Model Context Protocol server implementation that provides endpoints for wallet-based authentication, cluster management, and name registration services.

  Last updated 2025-05-08

  1

• iota-agent-mcp

  dearsealx-blip

  F

  license

  -

  quality

  D

  maintenance

  MCP Server for the IOTA blockchain that enables AI coding agents to interact with IOTA directly.

  Last updated 2026-03-01

• Digital Asset Links API MCP

  ag2-mcp-servers

  F

  license

  -

  quality

  D

  maintenance

  An MCP server that enables querying and managing relationships between websites and mobile apps through Google's Digital Asset Links API, auto-generated using AG2's MCP builder.

  Last updated 2025-07-16

• Sui MCP Server

  EasonC13-agent

  A

  license

  A

  quality

  D

  maintenance

  An MCP server providing tools for Sui blockchain interaction, including wallet management and Move smart contract development. It enables users to build, test, and publish contracts, query on-chain objects, and execute transactions through Claude.

  Last updated 2026-02-15

  14

  3

  MIT

• Ankr API MCP Server

  akki91

  A

  license

  B

  quality

  B

  maintenance

  An MCP server that fetches on-chain blockchain data via the Ankr API, allowing LLMs to retrieve token balances for wallet addresses on specific networks.

  Last updated 2026-05-02

  1

  12

  2

  MIT