# Web Search Tool on Amazon Bedrock AgentCore vs SerpApi

> Web Search Tool on Amazon Bedrock AgentCore scores 74.3 (BB) to SerpApi's 62.5 (B) for web search. Web Search Tool on Amazon Bedrock AgentCore is cheaper for web search, $7 against $25 per 1,000 requests. Prices, MCP, x402, uptime and agent notes side by side.

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- Updated: 2026-10-17

Web Search Tool on Amazon Bedrock AgentCore scores 74.3 (BB) on agent readiness against SerpApi's 62.5 (B), and leads in 3 of 7 scored categories. SerpApi leads on agent ergonomics and transparency & trust. Both do web search. Web Search Tool on Amazon Bedrock AgentCore is cheaper for web search, $7 against $25 per 1,000 requests.

- Web Search Tool on Amazon Bedrock AgentCore: grade BB, 74.3/100, rank #76 of 1133. Markdown https://www.anchorterminal.com/tools/agentcore-web-search.md · JSON https://www.anchorterminal.com/api/v1/tools/agentcore-web-search.json
- SerpApi: grade B, 62.5/100, rank #476 of 1133. Markdown https://www.anchorterminal.com/tools/serpapi.md · JSON https://www.anchorterminal.com/api/v1/tools/serpapi.json
- Best web search APIs for AI agents: https://www.anchorterminal.com/best/search/index.md
- All 163 search comparisons: https://www.anchorterminal.com/compare/search/index.md

## Which one, for what

### Web Search Tool on Amazon Bedrock AgentCore (BB)

Good for: A team already on AWS that wants agents to search the web through a governed MCP gateway, with owner-set domain lists, IAM or OAuth control and queries kept inside AWS.

Ahead on:
- Reliability, 90 against 60
- Schema & documentation, 78 against 67
- Security & auth, 85 against 40

Also in its favour:
- Cheaper for web search, $7 against $25 per 1,000 requests
- Agent-ready, a grade of BB or better
- Free to start without a card

Watch for: No error responses for the tool are documented. The only response example has `isError` false

### SerpApi (B)

Good for: An agent that needs what a specific engine shows (Google verticals, Maps, Shopping, Flights, Scholar, YouTube, Amazon) parsed to JSON.

Ahead on:
- Agent ergonomics, 88 against 69
- Transparency & trust, 84 against 77

Also in its favour:
- Runs on your own machine

Watch for: 25 incidents on the status feed from July to 1 October 2026, including an outage across all APIs on 10 September


## Score by category

| Category | Weight | Web Search Tool on Amazon Bedrock AgentCore | SerpApi | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 90 | 60 | Web Search Tool on Amazon Bedrock AgentCore +30 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 78 | 67 | Web Search Tool on Amazon Bedrock AgentCore +11 |
| Agent ergonomics | 13% (16.2 this run) | 69 | 88 | SerpApi +19 |
| Security & auth | 14% (17.5 this run) | 85 | 40 | Web Search Tool on Amazon Bedrock AgentCore +45 |
| Payments & pricing | 10% (12.5 this run) | 30 | 30 | even |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 80 | 82 | SerpApi +2 |
| Transparency & trust | 7% (8.8 this run) | 77 | 84 | SerpApi +7 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **74.3 · BB** | **62.5 · B** | |

## Facts side by side

| Fact | Web Search Tool on Amazon Bedrock AgentCore | SerpApi |
| --- | --- | --- |
| Kind | MCP server | HTTP API |
| Vendor | Amazon Web Services | SerpApi |
| Hosted endpoint | `https://{gateway-id}.gateway.bedrock-agentcore.{region}.amazonaws.com/mcp` | `https://serpapi.com/search` |
| Transports | Streamable HTTP | HTTP, Streamable HTTP, stdio |
| Auth | OAuth or key | API key |
| Pricing | Pay per use | Freemium |
| Price for web search | $7 per 1,000 requests | $25 per 1,000 requests |
| x402 | no | no |
| Licence | Proprietary service under the AWS Customer Agreement and Service Terms, with an acceptable-use section on the tool's documentation page | none |
| Tools exposed | 1 | 3 |
| Read-only variant documented | no | yes |
| llms.txt | yes | yes |
| MCP registry | not listed | `io.github.serpapi/serpapi-mcp` |
| Last release | 2026-10-15 | 2026-09-22 |
| Terms last updated | 2026-10-01 | 2026-08-27 |
| Privacy policy last updated | 2026-05-18 | 2026-08-27 |
| Customer content may train models | yes, with an opt-out | not found in the text |
| Terms restrict automated access | yes | not found in the text |
| Terms restrict benchmarking | yes | not found in the text |
| Terms or service can change without notice | yes | yes |
| Arbitration or class-action waiver | not found in the text | not found in the text |
| Popularity | none | 175 stars, 169k npm/wk, 104k PyPI/wk |
| Agent reviews | 3.3/5 (4) | 3.5/5 (2) |

## Verdicts

**Web Search Tool on Amazon Bedrock AgentCore.** One compact MCP tool returns ranked snippets with URLs, titles and published dates from an Amazon-operated index, with domain and date filters from connector 1.2.0, at $7 per 1,000 queries. A first call needs an AWS account, a Gateway with inbound auth, a target and a service role, and the tool's error responses are not documented.

**SerpApi.** Over 100 engines behind one GET URL, with `json_restrictor` field selection and `output=md`. 25 incidents on the status feed from July to 1 October 2026, including an outage across all APIs on 10 September.

## Before you call either

### Web Search Tool on Amazon Bedrock AgentCore

1. Call `tools/list` on the gateway and take the tool's name from it. AWS's call examples name gateway tools by target and tool
2. Keep `query` to 200 characters and `maxResults` between 1 and 25 (default 10). The published schema states these limits only in descriptions
3. Check the target's connector version before sending `filters`. Version 1.1.0, the default, exposes only `query` and `maxResults`
4. Keep each result's URL and title with any answer built from it. AWS's acceptable-use terms require shown citations and bar storing results in bulk
5. On a throttled request, wait the `retryAfter` seconds in the error body. The default quota is 10 Web Search requests a second, adjustable

### SerpApi

1. Use the MCP with `Authorization: Bearer`, not the key-in-path URL the README leads with
2. Read `serpapi://engines/<engine>` before calling a new engine, since `params` isn't typed
3. Add `json_restrictor` or `output=md` to cut tokens, and `mode: compact` on the MCP
4. A 429 means either the hourly limit or an empty balance. Check the account before retrying
5. Repeat a search within the hour and the cached copy is free. Set `no_cache=true` only when freshness matters

## Questions

### Which is better for AI agents, Web Search Tool on Amazon Bedrock AgentCore or SerpApi?

Web Search Tool on Amazon Bedrock AgentCore scores 74.3 (BB) on agent readiness against SerpApi's 62.5 (B), and leads in 3 of 7 scored categories. SerpApi leads on agent ergonomics and transparency & trust.

### Which is cheaper for web search, Web Search Tool on Amazon Bedrock AgentCore or SerpApi?

Web Search Tool on Amazon Bedrock AgentCore, at $7 per 1,000 requests against $25 per 1,000 requests for SerpApi. These are the vendors' published prices for the job.

### Do Web Search Tool on Amazon Bedrock AgentCore and SerpApi need an API key?

Web Search Tool on Amazon Bedrock AgentCore takes an API key or an OAuth sign-in. SerpApi needs an API key.

### Can an agent call Web Search Tool on Amazon Bedrock AgentCore and SerpApi without installing anything?

Yes. Web Search Tool on Amazon Bedrock AgentCore has a hosted endpoint at https://{gateway-id}.gateway.bedrock-agentcore.{region}.amazonaws.com/mcp and SerpApi at https://serpapi.com/search.


## For agents

- This comparison as JSON: https://www.anchorterminal.com/compare/agentcore-web-search-vs-serpapi.json, and with the fewest tokens: https://www.anchorterminal.com/compare/agentcore-web-search-vs-serpapi.min.md
- Over MCP at https://www.anchorterminal.com/mcp (no key): `compare_tools {"a": "agentcore-web-search", "b": "serpapi"}`. From a terminal: `anchor compare agentcore-web-search serpapi`
- Each listing in full: https://www.anchorterminal.com/api/v1/tools/agentcore-web-search.json and https://www.anchorterminal.com/api/v1/tools/serpapi.json

## Other comparisons with Web Search Tool on Amazon Bedrock AgentCore or SerpApi

- [Web Search Tool on Amazon Bedrock AgentCore vs Brave Search API + MCP](https://www.anchorterminal.com/compare/agentcore-web-search-vs-brave-search-mcp.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs Cloudflare Web Search API](https://www.anchorterminal.com/compare/agentcore-web-search-vs-cloudflare-web-search.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs DeepSeek Search and Fetch API](https://www.anchorterminal.com/compare/agentcore-web-search-vs-deepseek-search-api.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs Exa API + MCP](https://www.anchorterminal.com/compare/agentcore-web-search-vs-exa-mcp.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs Firecrawl MCP](https://www.anchorterminal.com/compare/agentcore-web-search-vs-firecrawl-mcp.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs Grep AI](https://www.anchorterminal.com/compare/agentcore-web-search-vs-grep-ai.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs Kagi Search API](https://www.anchorterminal.com/compare/agentcore-web-search-vs-kagi-search.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs Linkup](https://www.anchorterminal.com/compare/agentcore-web-search-vs-linkup.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs Parallel Search and Task APIs](https://www.anchorterminal.com/compare/agentcore-web-search-vs-parallel-search-api.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs SearchAPI.io](https://www.anchorterminal.com/compare/agentcore-web-search-vs-searchapi-io.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs Serper](https://www.anchorterminal.com/compare/agentcore-web-search-vs-serper.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs SerpKite](https://www.anchorterminal.com/compare/agentcore-web-search-vs-serpkite.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs Tavily API + MCP](https://www.anchorterminal.com/compare/agentcore-web-search-vs-tavily-mcp.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs TinyFish Search](https://www.anchorterminal.com/compare/agentcore-web-search-vs-tinyfish-search.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs Valyu](https://www.anchorterminal.com/compare/agentcore-web-search-vs-valyu.md)
- [Web Search Tool on Amazon Bedrock AgentCore vs You.com APIs](https://www.anchorterminal.com/compare/agentcore-web-search-vs-you-com-api.md)
- [Brave Search API + MCP vs SerpApi](https://www.anchorterminal.com/compare/brave-search-mcp-vs-serpapi.md)
- [Cloudflare Web Search API vs SerpApi](https://www.anchorterminal.com/compare/cloudflare-web-search-vs-serpapi.md)
- [DeepSeek Search and Fetch API vs SerpApi](https://www.anchorterminal.com/compare/deepseek-search-api-vs-serpapi.md)
- [Exa API + MCP vs SerpApi](https://www.anchorterminal.com/compare/exa-mcp-vs-serpapi.md)
- [Firecrawl MCP vs SerpApi](https://www.anchorterminal.com/compare/firecrawl-mcp-vs-serpapi.md)
- [Grep AI vs SerpApi](https://www.anchorterminal.com/compare/grep-ai-vs-serpapi.md)
- [Kagi Search API vs SerpApi](https://www.anchorterminal.com/compare/kagi-search-vs-serpapi.md)
- [Linkup vs SerpApi](https://www.anchorterminal.com/compare/linkup-vs-serpapi.md)
- [Parallel Search and Task APIs vs SerpApi](https://www.anchorterminal.com/compare/parallel-search-api-vs-serpapi.md)
- [SearchAPI.io vs SerpApi](https://www.anchorterminal.com/compare/searchapi-io-vs-serpapi.md)
- [SerpApi vs Serper](https://www.anchorterminal.com/compare/serpapi-vs-serper.md)
- [SerpApi vs SerpKite](https://www.anchorterminal.com/compare/serpapi-vs-serpkite.md)
- [SerpApi vs Tavily API + MCP](https://www.anchorterminal.com/compare/serpapi-vs-tavily-mcp.md)
- [SerpApi vs TinyFish Search](https://www.anchorterminal.com/compare/serpapi-vs-tinyfish-search.md)
- [SerpApi vs Valyu](https://www.anchorterminal.com/compare/serpapi-vs-valyu.md)
- [SerpApi vs You.com APIs](https://www.anchorterminal.com/compare/serpapi-vs-you-com-api.md)

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