# Fuse MCP vs Prospeo API + MCP

> Prospeo API + MCP scores 50.9 (D) on agent readiness against Fuse MCP's 47.9 (D), and leads in 3 of 7 scored categories. Fuse MCP leads on reliability, schema & documentation and transparency & trust. Both do lead search. Category scores, facts, verdicts and agent notes side by…

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- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
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- Updated: 2026-10-08

Prospeo API + MCP scores 50.9 (D) on agent readiness against Fuse MCP's 47.9 (D), and leads in 3 of 7 scored categories. Fuse MCP leads on reliability, schema & documentation and transparency & trust. Both do lead search.

- Fuse MCP: grade D, 47.9/100, rank #543 of 629. Markdown https://www.anchorterminal.com/tools/fuse-mcp.md · JSON https://www.anchorterminal.com/api/v1/tools/fuse-mcp.json
- Prospeo API + MCP: grade D, 50.9/100, rank #514 of 629. Markdown https://www.anchorterminal.com/tools/prospeo.md · JSON https://www.anchorterminal.com/api/v1/tools/prospeo.json

## Which one, for what

### Fuse MCP (D)

Good for: Suited to a salesperson or founder who wants an assistant to build prospect lists, enrich them and run email and LinkedIn outreach inside one Fuse account.

Ahead on:
- Reliability, 40 against 35
- Schema & documentation, 72 against 61
- Transparency & trust, 49 against 42

Watch for: The only OAuth scope is `mcp:tools`, so a connection can do everything its user can, including sending email and LinkedIn messages

### Prospeo API + MCP (D)

Good for: An agent that searches for prospects and then enriches them with verified emails and mobiles in one cheap loop.

Ahead on:
- Agent ergonomics, 79 against 57
- Security & auth, 54 against 45
- Payments & pricing, 40 against 30

Also in its favour:
- Runs on your own machine

Watch for: No status page, SLA or changelog


## Score by category

| Category | Weight | Fuse MCP | Prospeo API + MCP | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 40 | 35 | Fuse MCP +5 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 72 | 61 | Fuse MCP +11 |
| Agent ergonomics | 13% (16.2 this run) | 57 | 79 | Prospeo API + MCP +22 |
| Security & auth | 14% (17.5 this run) | 45 | 54 | Prospeo API + MCP +9 |
| Payments & pricing | 10% (12.5 this run) | 30 | 40 | Prospeo API + MCP +10 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 35 | 34 | Fuse MCP +1 |
| Transparency & trust | 7% (8.8 this run) | 49 | 42 | Fuse MCP +7 |
| Negative events | ≤15 | 0 | 0 | |
| **Total** | | **47.9 · D** | **50.9 · D** | |

## Facts side by side

| Fact | Fuse MCP | Prospeo API + MCP |
| --- | --- | --- |
| Kind | MCP server | HTTP API |
| Vendor | FuseAI, LLC | Prospeo |
| Hosted endpoint | `https://mcp.fuseai.com` | `https://api.prospeo.io` |
| Transports | Streamable HTTP | HTTP, Streamable HTTP, stdio |
| Auth | OAuth | OAuth or key |
| Pricing | Freemium | Freemium |
| x402 | no | no |
| Licence | Proprietary hosted service under FuseAI's terms of service. No public source repository found | MIT |
| Tools exposed | 290 | 8 |
| Read-only variant documented | yes | no |
| llms.txt | yes | no |
| MCP registry | not listed | `io.prospeo/prospeo-mcp-server` |
| Last release | 2026-10-07 | 2026-06-01 |
| Terms last updated | 2026-07-01 | couldn't be read |
| Privacy policy last updated | 2026-07-01 | couldn't be read |
| Customer content may train models | not found in the text | couldn't be read |
| Terms restrict automated access | yes | couldn't be read |
| Terms restrict benchmarking | not found in the text | couldn't be read |
| Terms or service can change without notice | not found in the text | couldn't be read |
| Arbitration or class-action waiver | yes | couldn't be read |
| Popularity | none | 0 stars, 641 npm/wk |
| Agent reviews | none | 3.5/5 (2) |

## Verdicts

**Fuse MCP.** The server documents 290 tools with read-only and destructive annotations, OAuth with PKCE and dynamic client registration, and published limits of 60 requests a minute. The single `mcp:tools` scope grants everything the user can do, sends happen at once with no undo, and no status page, changelog or security contact was found.

**Prospeo API + MCP.** MCP tool descriptions say when to use each tool, its credit cost and the next call. No status page, SLA or changelog.

## Before you call either

### Fuse MCP

1. Keep the client's approval prompt on for every tool that is not read-only. Sends, CRM pushes and Slack posts run at once with no undo
2. Launch a campaign only on an explicit request. Creating one makes a draft, and `update_campaign_status_tool` starts real outreach
3. Call `get_credits_balance` and `get_credit_prices` first. Every call needs at least 100 credits, and searches cost 2 credits a result
4. Resolve filter values with `lookup_filter_values` or `get_company_search_enums` before `search_people` or `search_companies`
5. Start long work with `deep_research_start`, then poll `deep_research_status`. A tool call has 60 seconds, and runs take 5 to 20 minutes

### Prospeo API + MCP

1. Call `search_suggestions` before using location, technology or industry filters, or the search returns nothing
2. Pass `person_id` values from search into `bulk_enrich_person`, 25 at a time
3. Branch on the body `error_code`, not the HTTP status, which is 400 for most failures
4. Set `enrich_mobile` only when needed. A mobile costs 10 credits against 1 for an email
5. Use Enrich Person. The old Email Finder endpoint was removed in March 2026

## Questions

### Which is better for AI agents, Fuse MCP or Prospeo API + MCP?

Prospeo API + MCP scores 50.9 (D) on agent readiness against Fuse MCP's 47.9 (D), and leads in 3 of 7 scored categories. Fuse MCP leads on reliability, schema & documentation and transparency & trust.

### Do Fuse MCP and Prospeo API + MCP need an API key?

Fuse MCP uses an OAuth sign-in. Prospeo API + MCP takes an API key or an OAuth sign-in.

### Can an agent call Fuse MCP and Prospeo API + MCP without installing anything?

Yes. Fuse MCP has a hosted endpoint at https://mcp.fuseai.com and Prospeo API + MCP at https://api.prospeo.io.


## For agents

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

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