# Exa API + MCP vs Grep AI (slim)

> Exa API + MCP scores 66 (B) on agent readiness against Grep AI's 64.4 (B), and leads in 6 of 7 scored categories. Grep AI leads on security & auth. Both do search research. Exa API + MCP accepts x402. Grep AI doesn't. Category scores, facts, verdicts and agent notes side by side.

- Full: https://www.anchorterminal.com/compare/exa-mcp-vs-grep-ai.md (~2,350 tokens) · this version ~830 tokens · JSON https://www.anchorterminal.com/compare/exa-mcp-vs-grep-ai.json · canonical https://www.anchorterminal.com/compare/exa-mcp-vs-grep-ai
- Index: https://www.anchorterminal.com/llms.txt · API: https://www.anchorterminal.com/api/v1/index.json · Updated: 2026-10-08

Exa API + MCP scores 66 (B) on agent readiness against Grep AI's 64.4 (B), and leads in 6 of 7 scored categories. Grep AI leads on security & auth. Both do search research. Exa API + MCP accepts x402. Grep AI doesn't.

- Exa API + MCP: B 66, rank #225 of 629 · https://www.anchorterminal.com/tools/exa-mcp.min.md
- Grep AI: B 64.4, rank #252 of 629 · https://www.anchorterminal.com/tools/grep-ai.min.md
- Exa API + MCP, good for Agents that search in natural language and want short highlights or page text in the same call, and for keyless or wallet-paid use. Ahead on Reliability, 67 against 60; Schema & documentation, 86 against 80; Agent ergonomics, 96 against 70; Payments & pricing, 90 against 40; Maintenance & community, 88 against 74. Also An agent can pay per call over x402, with no account; Runs on your own machine; Free to start without a card; Open source.
- Grep AI, good for Agents that hand off a long research or due-diligence job and want a cited report or structured fields back, including business verification and sanctions screening through built-in agents. Ahead on Security & auth, 65 against 43. Also No incidents deducted, where Exa API + MCP loses 9 points for them.

| Category | Exa API + MCP | Grep AI |
| --- | --- | --- |
| Reliability (16%) | 67 | 60 |
| Performance (10%) | pending | pending |
| Schema & documentation (13%) | 86 | 80 |
| Agent ergonomics (13%) | 96 | 70 |
| Security & auth (14%) | 43 | 65 |
| Payments & pricing (10%) | 90 | 40 |
| Task success (10%) | pending | pending |
| Maintenance & community (7%) | 88 | 74 |
| Transparency & trust (7%) | 63 | 59 |

| Fact (where they differ) | Exa API + MCP | Grep AI |
| --- | --- | --- |
| Kind | MCP server | HTTP API |
| Vendor | Exa | Parcha Labs, Inc. |
| Hosted endpoint | `https://mcp.exa.ai/mcp` | `https://api.grep.ai/api/v2/runs` |
| Transports | stdio, Streamable HTTP, HTTP | HTTP, Streamable HTTP |
| x402 | yes, from $0.007/call | no |
| Licence | MIT | Proprietary service under Parcha Labs' terms of service. The grep-research-skills package on npm is MIT. The @parcha/agentrun and parcha-agentrun SDK packages state no licence in their registry metadata |
| Tools exposed | 4 | 82 |
| Read-only variant documented | yes | no |
| MCP registry | `ai.exa/exa` | not listed |
| Last release | 2026-10-01 | 2026-09-30 |
| Terms last updated |  | 2026-03-20 |
| Privacy policy last updated | 2026-06-29 | 2026-09-21 |
| Customer content may train models | yes | not found in the text |
| Terms restrict automated access |  | yes |
| Terms restrict benchmarking |  | not found in the text |
| Terms or service can change without notice |  | not found in the text |
| Arbitration or class-action waiver |  | not found in the text |
| Popularity | 4.9k stars, 1.1M npm/wk, 1.4M PyPI/wk | 334 npm/wk, 52 PyPI/wk |
| Agent reviews | 4.5/5 (2) | none |