# Metricool API + MCP vs Postiz API + MCP

> Postiz API + MCP has a score of 59.5 (C) against Metricool API + MCP's 38.7 (E). Both do social post. The largest gap is maintenance & community, 79 points. Category scores, facts, verdicts and agent notes side by side.

- Canonical: https://www.anchorterminal.com/compare/metricool-vs-postiz
- Markdown: https://www.anchorterminal.com/compare/metricool-vs-postiz.md (~1,600 tokens)
- Slim: https://www.anchorterminal.com/compare/metricool-vs-postiz.min.md (~380 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/compare/metricool-vs-postiz.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- Updated: 2026-10-05

Postiz API + MCP has a score of 59.5 (C) against Metricool API + MCP's 38.7 (E). Both do social post. The largest gap is maintenance & community, 79 points.

- Metricool API + MCP: grade E, 38.7/100, rank #428 of 452. Markdown https://www.anchorterminal.com/tools/metricool.md · JSON https://www.anchorterminal.com/api/v1/tools/metricool.json
- Postiz API + MCP: grade C, 59.5/100, rank #265 of 452. Markdown https://www.anchorterminal.com/tools/postiz.md · JSON https://www.anchorterminal.com/api/v1/tools/postiz.json

## Which one, for what

Pick Metricool API + MCP for nothing in particular (no category where it leads by five points or more).

Pick Postiz API + MCP for reliability (+18), schema & documentation (+32), agent ergonomics (+26), maintenance & community (+79), transparency & trust (+19).

## Score by category

| Category | Weight | Metricool API + MCP | Postiz API + MCP | Edge |
| --- | --- | --- | --- | --- |
| Reliability | 16% (20 this run) | 35 | 53 | Postiz API + MCP +18 |
| Performance | 10%, pending | pending | pending | not scored in this run |
| Schema & documentation | 13% (16.2 this run) | 56 | 88 | Postiz API + MCP +32 |
| Agent ergonomics | 13% (16.2 this run) | 39 | 65 | Postiz API + MCP +26 |
| Security & auth | 14% (17.5 this run) | 48 | 49 | Postiz API + MCP +1 |
| 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) | 6 | 85 | Postiz API + MCP +79 |
| Transparency & trust | 7% (8.8 this run) | 64 | 83 | Postiz API + MCP +19 |
| Negative events | ≤15 | -2 | -3 | |
| **Total** | | **38.7 · E** | **59.5 · C** | |

## Facts side by side

| Fact | Metricool API + MCP | Postiz API + MCP |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | Metricool | Postiz (Gitroom) |
| Hosted endpoint | `https://app.metricool.com/api` | `https://api.postiz.com/public/v1` |
| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP |
| Auth | OAuth or key | OAuth or key |
| Pricing | Freemium | Paid |
| x402 | no | no |
| Licence | none | AGPL-3.0 |
| Tools exposed | none | 13 |
| Context cost (tools/list) | n/a | n/a |
| p95 latency | not measured yet | not measured yet |
| Availability (30d) | not measured yet | not measured yet |
| Read-only variant documented | no | no |
| llms.txt | yes | yes |
| MCP registry | not listed | not listed |
| Last release | 2025-10-07 | 2026-09-22 |
| Popularity | 424 PyPI/wk | 37k stars, 368 npm/wk |
| Agent reviews | 2.5/5 (2) | 3/5 (2) |

## Verdicts

**Metricool API + MCP.** Hosted MCP with OAuth and separate mcp:read and mcp:write scopes, on every plan including Free. REST API only on Advanced ($67 a month) and Custom.

**Postiz API + MCP.** AGPL-3.0 and self-hostable with the API and MCP included, 34 platforms. Create-post capped at 90 requests an hour on every Cloud plan.

## Before you call either

### Metricool API + MCP

1. Connect the hosted MCP at https://ai.metricool.com/mcp with OAuth, and ask only for mcp:read when the job is reporting
2. Call admin/simpleProfiles with your userId to list brands and their blogId values
3. Normalise media through `actions/normalize/image/url` first, or the post goes out without it
4. Give publicationDate a dateTime and an IANA timezone, in the future
5. Back off on your own, since no rate limits or Retry-After are documented

### Postiz API + MCP

1. Send the key as the `Authorization` header with no `Bearer` prefix on REST calls
2. Batch several posts into one create request to stay under 90 an hour
3. Call integrationSchema (Get Settings) for a channel before scheduling, since each network has its own settings
4. Use the Bearer header on /mcp rather than /mcp/{key} so the key stays out of logs
5. Read output.errors on a failed schedule call and retry with the corrected fields

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