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Blue Agent

Blue Search

● Active

Vertical search engine for the Base ecosystem — docs, projects, x402, MCP. Returns ranked snippets with citations.

By Blue AgentWebsiteDocsVerified🤖 AI Ready

API CALLS

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▶ Try it now

Live playground · or pay per call via x402

About

Vertical lexical search engine for the Base ecosystem. BM25 ranking over a 25-doc curated corpus (Base docs, x402 protocol, MCP spec, Aerodrome, Morpho, Uniswap v4, Foundry). Returns ranked snippets with source URLs. Faster than Perplexity for Base-specific questions because the corpus is hand-picked, not crawled.
SearchBM25Base DocsCitations

Pricing

Paid

X402

Full search with snippets, scores, and source citations. Up to 8 results.

$0.05/ call

◆USDC · BASE

Pay from any EVM wallet — no account needed

ENDPOINT

api.blueagent.dev/api/blue-search

Free

X402

First 10 queries / day are free — no wallet needed.

$0/ call

◆USDC · BASE

Pay from any EVM wallet — no account needed

ENDPOINT

api.blueagent.dev/api/blue-search

LIFETIME CALLS

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UPTIME (24H)

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monitoring soon

P95 LATENCY

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monitoring soon

AVG RATING

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after first reviews

▶ Try it · preview mode

Sample response · no payment · no wallet
query:

Hit Run to see a sample response.

For real calls, install the MCP server or pay via x402.

Code samples

Terminal

curl -X POST https://api.blueagent.dev/api/blue-search \
  -H 'Content-Type: application/json' \
  -d '{ "prompt": "Your input here" }'

# First call returns 402 + payment requirements.
# Sign EIP-3009 USDC TransferWithAuthorization, retry with X-Payment header.

Need full payment flow? See the x402 protocol page.

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