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Timothymycompc

Base Pulse

by Timothymycompc
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TypeScript
Remote

Base Pulse

Safety checks and honest on-chain reads for AI agents on Base. Every answer comes from real chain data and names its source; when data is missing the answer says "unknown" instead of guessing. Read PRINCIPLES.md first.

  • Live: https://base-pulse-1021990235790.us-central1.run.app (once deployed)

  • MCP: POST /mcp (Streamable HTTP) or /mcp/sse

  • HTTP: POST /api/tools/<name> with a JSON body

  • Docs for every input and output: GET /api/tools and GET /api/tools/<name>

  • Pricing: every tool gives each caller 25 free calls a day, then $0.01 or $0.02 USDC per call, paid with x402 on Base. Calls that fail are never charged.

Built from the same plumbing as Solana Pulse: one tool registry drives MCP, HTTP, the docs, llms.txt and /.well-known/mcp.json.

Tools

Tool

What it answers

Status

token_safety

Is this token a known trap? A simulated buy and sell on Uniswap v2, v3 or v4 (honeypots, hidden taxes), owner powers (mint, block wallets, fees, pause, sell caps), upgradeable code, verified source, liquidity and pool age. Measured accuracy.

Built

balance

How much ETH and USDC does this wallet hold?

Built

Related MCP server: 47620-evm-mcp

Planned tools (not built yet)

The current piece of work. Each one is built, tested on recorded mainnet data and documented before the next starts.

Tool

What it will answer

check_tx

What will this unsigned transaction do to each wallet, including approvals it grants?

check_signature

What does this signature request (Permit, Permit2, Seaport order) let someone take?

approvals

Which spenders can move this wallet's tokens right now?

tx_matches

Does this transaction send exactly the token, amount and recipient that was asked for?

explain_tx

What did this landed transaction do, and why did it fail?

whats_this

Is this address a wallet, a contract, a token or a proxy, and is its source verified?

find_token

Which contract is the real token for this ticker, and which are copycats?

convert

What is this human amount in the token's raw units, using its real decimals?

gas

What will this cost on Base, including the L1 data fee?

Running it

See DEVELOPING.md. npm test runs the tests, ship (from ~/bin) tests, commits, pushes and deploys.

Setup in Google Cloud (project x300-506418)

Secret

What it is

BASE_PULSE_DATABASE_URL

This project's database on the shared Cloud SQL instance solana-pulse-db (database base_pulse). Loaded into DATABASE_URL.

BASE_RPC_URL

Coinbase's Base node (CDP). Used for every read except simulations, which it refuses.

BASE_SIMULATE_RPC_URL (optional)

A node that allows eth_simulateV1, tried before the free public ones.

ETHERSCAN_API_KEY (optional)

Lets token_safety read source verified only on Basescan. Without it, only Sourcify is checked.

OWNER_API_KEY, CALLER_HASH_SECRET, CDP_API_KEY_ID, CDP_API_KEY_SECRET

Shared with Solana Pulse.

License

MIT

This server cannot be deployed

One endpoint for every MCP toolRayrun runs every MCP server behind one URL and holds the credentials. Each call is decided per client, tool, and argument, then recorded.ray.runAd

Maintenance

ActivityMaintained
ResponsivenessNo issues

Resources

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