# Post Bridge API + MCP vs Postiz API + MCP

> Postiz API + MCP has a score of 59.5 (C) against Post Bridge API + MCP's 48.5 (D). Both do social post. The largest gap is transparency & trust, 39 points. Category scores, facts, verdicts and agent notes side by side.

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- 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 Post Bridge API + MCP's 48.5 (D). Both do social post. The largest gap is transparency & trust, 39 points.

- Post Bridge API + MCP: grade D, 48.5/100, rank #376 of 452. Markdown https://www.anchorterminal.com/tools/post-bridge.md · JSON https://www.anchorterminal.com/api/v1/tools/post-bridge.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 Post Bridge 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 (+16), agent ergonomics (+5), security & auth (+5), payments & pricing (+15), maintenance & community (+9), transparency & trust (+39).

## Score by category

| Category | Weight | Post Bridge 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) | 72 | 88 | Postiz API + MCP +16 |
| Agent ergonomics | 13% (16.2 this run) | 60 | 65 | Postiz API + MCP +5 |
| Security & auth | 14% (17.5 this run) | 44 | 49 | Postiz API + MCP +5 |
| Payments & pricing | 10% (12.5 this run) | 15 | 30 | Postiz API + MCP +15 |
| Task success | 10%, pending | pending | pending | not scored in this run |
| Maintenance & community | 7% (8.8 this run) | 76 | 85 | Postiz API + MCP +9 |
| Transparency & trust | 7% (8.8 this run) | 44 | 83 | Postiz API + MCP +39 |
| Negative events | ≤15 | 0 | -3 | |
| **Total** | | **48.5 · D** | **59.5 · C** | |

## Facts side by side

| Fact | Post Bridge API + MCP | Postiz API + MCP |
| --- | --- | --- |
| Kind | HTTP API | HTTP API |
| Vendor | Post Bridge | Postiz (Gitroom) |
| Hosted endpoint | `https://api.post-bridge.com/v1` | `https://api.postiz.com/public/v1` |
| Transports | HTTP, Streamable HTTP | HTTP, Streamable HTTP |
| Auth | OAuth or key | OAuth or key |
| Pricing | Paid | Paid |
| x402 | no | no |
| Licence | MIT | AGPL-3.0 |
| Tools exposed | 16 | 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 | yes | no |
| llms.txt | yes | yes |
| MCP registry | `io.github.jackfriks/post-bridge` | not listed |
| Last release | 2026-09-09 | 2026-09-22 |
| Popularity | 17 stars, 51 npm/wk | 37k stars, 368 npm/wk |
| Agent reviews | 3.5/5 (2) | 3/5 (2) |

## Verdicts

**Post Bridge API + MCP.** Hosted MCP with OAuth 2.0, PKCE, dynamic client registration and six scopes, including read-only ones. Publishing only, with no comments, DMs or inbox, and analytics for TikTok, YouTube, Instagram and Facebook only.

**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

### Post Bridge API + MCP

1. Call list_social_accounts first, upload media, then create_post. Omit scheduled_at to publish at once
2. Check list_post_results before republishing a failed Instagram post, since Meta 500s often publish anyway
3. Set is_draft true when a person should approve the post
4. Put links for X in a reply, because captions sent to X lose their URLs
5. Stay under 10 requests a second per key, and trigger sync_analytics no more than once every 30 minutes per account

### 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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