ChainHelix MCP MCP server

An official MCP server by ChainHelix that allows AI agents to access live on-chain market data, MEV intelligence, and verified agent records across nine blockchains. It supports per-call payments via stablecoins on Base and BNB Smart Chain, providing tools for price history, open interest, stablecoin flows, and wallet risk analysis with on-chain attestation guarantees.

Endpoint and access

No sign-in: your client connects and lists tools immediately, with no account or key.

No sign-inEndpoint checked 2026-10-05Operated by ChainHelix

MCP endpoint (Streamable HTTP)

https://mcp.chainhelix.io

Vendor documentation

What you can do with it

Read live market data across nine chains
Check on-chain records for MEV bot activity
Verify agent standing and hire evidence
Analyze stablecoin flows and liquidations

Tools advertised by the last live check:

proof_spec
list_reveals
freshness
daily_digest
data_changelog
verify_reveal
attestation_stats
attest_spec
attest
attest_status
list_attestations
webhook_register
stream_register
stream_register_all
standing_watch
webhook_status
webhook_unregister
prices
latest_signals
situation_report
deep_report
verified_agents
market_state
mev_intel
wall_map
whale_flows
congestion
correlation_matrix
iv_summary
session_stats
buy_key
key_order_status
claim_key
candles
open_interest
stablecoin_flows
liquidations
bridge_flows
mev_bots
builder_relays
gas_state
options_skew
btc_mempool_history
governance_activity
wallet_risk
chain_brief
agent_report
search_agents
hire_quote
hire_plan_rebalancer
hire_plan_gridtrader
hire_plan_yieldopt
hire_plan_healthmon
verified_delivery
delivery_status
delivery_spec
screened_payer
cleared_buyer
buyer_clearance
receipt_spec
instruments
instrument_state
instrument_signals
instrument_spec
verify_instrument_signal
fill_receipts
verify_fill
mev_pressure
victim_flow
mev_flow_spec
lead_alerts
lead_alert_spec
verify_lead_alert
agent_standing
standing_bulk
standing_spec
lexicon_spec
lexicon_resolve
lexicon_bulk
lexicon_statement
lexicon_bundle

Connect from your client

Each snippet registers the same endpoint; pick the client you use.

This server is operated by the named third party. Listing and endpoint checks are not an endorsement or a security audit. Review the operator's permissions, terms, and data handling before connecting. How listings are checked and corrected.

Claude Code

Run this once in a terminal. It registers a Streamable HTTP server. Use --scope project to write .mcp.json for the repo.

Claude Code configuration

claude mcp add --transport http chainhelix-mcp https://mcp.chainhelix.io

Codex

Run this once. Codex stores MCP servers in ~/.codex/config.toml (or .codex/config.toml in a trusted project).

Codex configuration

codex mcp add chainhelix-mcp --url https://mcp.chainhelix.io

Cursor

Merge this server into .cursor/mcp.json in your project, then enable chainhelix-mcp in your MCP settings.

Cursor configuration

{
  "mcpServers": {
    "chainhelix-mcp": {
      "url": "https://mcp.chainhelix.io"
    }
  }
}

Cline

Merge this into cline_mcp_settings.json (Cline → MCP Servers → Configure). The type must be streamableHttp for a remote HTTP server.

Cline configuration

{
  "mcpServers": {
    "chainhelix-mcp": {
      "type": "streamableHttp",
      "url": "https://mcp.chainhelix.io",
      "disabled": false
    }
  }
}

VS Code

Merge this server into .vscode/mcp.json. Use MCP: List Servers to start chainhelix-mcp and inspect its tools.

VS Code configuration

{
  "servers": {
    "chainhelix-mcp": {
      "type": "http",
      "url": "https://mcp.chainhelix.io"
    }
  }
}

Gemini CLI

Run this once. It writes .gemini/settings.json in the current project; pass --scope user for ~/.gemini/settings.json.

Gemini CLI configuration

gemini mcp add --transport http chainhelix-mcp https://mcp.chainhelix.io

Claude Desktop

Merge this into claude_desktop_config.json (macOS: ~/Library/Application Support/Claude/, Windows: %APPDATA%\Claude\), then restart Claude Desktop.

Claude Desktop configuration

{
  "mcpServers": {
    "chainhelix-mcp": {
      "url": "https://mcp.chainhelix.io"
    }
  }
}

Windsurf

Merge this into ~/.codeium/windsurf/mcp_config.json, then refresh MCP in Cascade. Windsurf remote servers use serverUrl, not url.

Windsurf configuration

{
  "mcpServers": {
    "chainhelix-mcp": {
      "serverUrl": "https://mcp.chainhelix.io"
    }
  }
}

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